{"id":931,"date":"2026-03-21T02:46:41","date_gmt":"2026-03-21T02:46:41","guid":{"rendered":"https:\/\/trieuminh.com\/?p=931"},"modified":"2026-06-05T04:09:46","modified_gmt":"2026-06-05T04:09:46","slug":"giai-phap-chong-set-lan-truyen","status":"publish","type":"post","link":"https:\/\/trieuminh.com\/en\/giai-phap-chong-set-lan-truyen\/","title":{"rendered":"GI\u1ea2I PH\u00c1P CH\u1ed0NG S\u00c9T LAN TRUY\u1ec0N"},"content":{"rendered":"<h1 data-section-id=\"1gwx24j\" data-start=\"162\" data-end=\"227\"><span class=\"ez-toc-section\" id=\"GIAI_PHAP_CHONG_SET_LAN_TRUYEN\"><\/span>GI\u1ea2I PH\u00c1P CH\u1ed0NG S\u00c9T LAN TRUY\u1ec0N<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<h2 data-section-id=\"10ilez9\" data-start=\"229\" data-end=\"268\"><span class=\"ez-toc-section\" id=\"1_Tong_quan_ve_chong_set_lan_truyen\"><\/span>1. T\u1ed5ng quan v\u1ec1 ch\u1ed1ng s\u00e9t lan truy\u1ec1n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"270\" data-end=\"537\">Trong b\u1ed1i c\u1ea3nh c\u00e1c c\u00f4ng tr\u00ecnh ng\u00e0y c\u00e0ng s\u1eed d\u1ee5ng nhi\u1ec1u thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed, h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n t\u1ef1 \u0111\u1ed9ng v\u00e0 m\u1ea1ng d\u1eef li\u1ec7u, th\u00ec <strong data-start=\"391\" data-end=\"425\">gi\u1ea3i ph\u00e1p ch\u1ed1ng s\u00e9t lan truy\u1ec1n<\/strong> \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t h\u1ea1ng m\u1ee5c c\u1ef1c k\u1ef3 quan tr\u1ecdng, kh\u00f4ng th\u1ec3 thi\u1ebfu trong thi\u1ebft k\u1ebf v\u00e0 thi c\u00f4ng h\u1ec7 th\u1ed1ng c\u01a1 \u0111i\u1ec7n (MEP).<\/p>\n<p data-start=\"539\" data-end=\"743\">S\u00e9t kh\u00f4ng ch\u1ec9 g\u00e2y nguy hi\u1ec3m khi \u0111\u00e1nh tr\u1ef1c ti\u1ebfp m\u00e0 c\u00f2n t\u1ea1o ra c\u00e1c <strong data-start=\"604\" data-end=\"630\">xung qu\u00e1 \u00e1p lan truy\u1ec1n<\/strong> th\u00f4ng qua h\u1ec7 th\u1ed1ng \u0111i\u1ec7n v\u00e0 t\u00edn hi\u1ec7u, g\u00e2y h\u01b0 h\u1ecfng thi\u1ebft b\u1ecb, gi\u00e1n \u0111o\u1ea1n v\u1eadn h\u00e0nh v\u00e0 thi\u1ec7t h\u1ea1i kinh t\u1ebf nghi\u00eam tr\u1ecdng.<\/p><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/trieuminh.com\/en\/giai-phap-chong-set-lan-truyen\/#GIAI_PHAP_CHONG_SET_LAN_TRUYEN\" >GI\u1ea2I PH\u00c1P CH\u1ed0NG S\u00c9T LAN TRUY\u1ec0N<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/trieuminh.com\/en\/giai-phap-chong-set-lan-truyen\/#1_Tong_quan_ve_chong_set_lan_truyen\" >1. T\u1ed5ng quan v\u1ec1 ch\u1ed1ng s\u00e9t lan truy\u1ec1n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/trieuminh.com\/en\/giai-phap-chong-set-lan-truyen\/#2_Ban_chat_cua_set_lan_truyen_va_muc_do_nguy_hiem\" >2. B\u1ea3n ch\u1ea5t c\u1ee7a s\u00e9t lan truy\u1ec1n v\u00e0 m\u1ee9c \u0111\u1ed9 nguy hi\u1ec3m<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/trieuminh.com\/en\/giai-phap-chong-set-lan-truyen\/#21_Set_lan_truyen_la_gi\" >2.1 S\u00e9t lan truy\u1ec1n l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/trieuminh.com\/en\/giai-phap-chong-set-lan-truyen\/#22_Dac_diem_nguy_hiem_cua_set\" >2.2. \u0110\u1eb7c \u0111i\u1ec3m nguy hi\u1ec3m c\u1ee7a s\u00e9t<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/trieuminh.com\/en\/giai-phap-chong-set-lan-truyen\/#23_Hau_qua_cua_set_lan_truyen\" >2.3. H\u1eadu qu\u1ea3 c\u1ee7a s\u00e9t lan truy\u1ec1n<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/trieuminh.com\/en\/giai-phap-chong-set-lan-truyen\/#3_Phan_loai_he_thong_chong_set\" >3. Ph\u00e2n lo\u1ea1i h\u1ec7 th\u1ed1ng ch\u1ed1ng s\u00e9t<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/trieuminh.com\/en\/giai-phap-chong-set-lan-truyen\/#31_He_thong_chong_set_truc_tiep\" >3.1. H\u1ec7 th\u1ed1ng ch\u1ed1ng s\u00e9t tr\u1ef1c ti\u1ebfp<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/trieuminh.com\/en\/giai-phap-chong-set-lan-truyen\/#32_He_thong_chong_set_lan_truyen\" >3.2. H\u1ec7 th\u1ed1ng ch\u1ed1ng s\u00e9t lan truy\u1ec1n<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/trieuminh.com\/en\/giai-phap-chong-set-lan-truyen\/#4_Giai_phap_chong_set_lan_truyen_tren_duong_nguon_dien\" >4. Gi\u1ea3i ph\u00e1p ch\u1ed1ng s\u00e9t lan truy\u1ec1n tr\u00ean \u0111\u01b0\u1eddng ngu\u1ed3n \u0111i\u1ec7n<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/trieuminh.com\/en\/giai-phap-chong-set-lan-truyen\/#41_Nguyen_ly_hoat_dong\" >4.1. Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/trieuminh.com\/en\/giai-phap-chong-set-lan-truyen\/#42_Cau_truc_he_thong_chong_set_lan_truyen_nguon_AC\" >4.2. C\u1ea5u tr\u00fac h\u1ec7 th\u1ed1ng ch\u1ed1ng s\u00e9t lan truy\u1ec1n ngu\u1ed3n AC<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/trieuminh.com\/en\/giai-phap-chong-set-lan-truyen\/#Cap_1_%E2%80%93_Thiet_bi_chong_set_so_cap_Surge_Diverter\" >C\u1ea5p 1 \u2013 Thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t s\u01a1 c\u1ea5p (Surge Diverter)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/trieuminh.com\/en\/giai-phap-chong-set-lan-truyen\/#Cap_2_%E2%80%93_Thiet_bi_chong_set_thu_cap\" >C\u1ea5p 2 \u2013 Thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t th\u1ee9 c\u1ea5p<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/trieuminh.com\/en\/giai-phap-chong-set-lan-truyen\/#43_Uu_diem_cua_he_thong_chong_set_da_cap\" >4.3. \u01afu \u0111i\u1ec3m c\u1ee7a h\u1ec7 th\u1ed1ng ch\u1ed1ng s\u00e9t \u0111a c\u1ea5p<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/trieuminh.com\/en\/giai-phap-chong-set-lan-truyen\/#5_Giai_phap_chong_set_lan_truyen_cho_he_thong_tin_hieu\" >5. Gi\u1ea3i ph\u00e1p ch\u1ed1ng s\u00e9t lan truy\u1ec1n cho h\u1ec7 th\u1ed1ng t\u00edn hi\u1ec7u<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/trieuminh.com\/en\/giai-phap-chong-set-lan-truyen\/#51_Chong_set_cho_he_thong_mang_LAN\" >5.1. Ch\u1ed1ng s\u00e9t cho h\u1ec7 th\u1ed1ng m\u1ea1ng LAN<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/trieuminh.com\/en\/giai-phap-chong-set-lan-truyen\/#52_Chong_set_cho_he_thong_vien_thong\" >5.2. Ch\u1ed1ng s\u00e9t cho h\u1ec7 th\u1ed1ng vi\u1ec5n th\u00f4ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/trieuminh.com\/en\/giai-phap-chong-set-lan-truyen\/#53_Chong_set_cho_cap_dong_truc\" >5.3. Ch\u1ed1ng s\u00e9t cho c\u00e1p \u0111\u1ed3ng tr\u1ee5c<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/trieuminh.com\/en\/giai-phap-chong-set-lan-truyen\/#54_Chong_set_cho_tin_hieu_dieu_khien_RS232RS485\" >5.4. Ch\u1ed1ng s\u00e9t cho t\u00edn hi\u1ec7u \u0111i\u1ec1u khi\u1ec3n RS232\/RS485<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/trieuminh.com\/en\/giai-phap-chong-set-lan-truyen\/#6_Vai_tro_cua_he_thong_tiep_dia_trong_chong_set\" >6. Vai tr\u00f2 c\u1ee7a h\u1ec7 th\u1ed1ng ti\u1ebfp \u0111\u1ecba trong ch\u1ed1ng s\u00e9t<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/trieuminh.com\/en\/giai-phap-chong-set-lan-truyen\/#61_Tai_sao_tiep_dia_quan_trong\" >6.1 T\u1ea1i sao ti\u1ebfp \u0111\u1ecba quan tr\u1ecdng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/trieuminh.com\/en\/giai-phap-chong-set-lan-truyen\/#62_Yeu_cau_ky_thuat\" >6.2 Y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/trieuminh.com\/en\/giai-phap-chong-set-lan-truyen\/#63_Phuong_phap_thi_cong_he_thong_tiep_dia\" >6.3. Ph\u01b0\u01a1ng ph\u00e1p thi c\u00f4ng h\u1ec7 th\u1ed1ng ti\u1ebfp \u0111\u1ecba<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/trieuminh.com\/en\/giai-phap-chong-set-lan-truyen\/#Dong_coc_tiep_dia\" >\u0110\u00f3ng c\u1ecdc ti\u1ebfp \u0111\u1ecba<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/trieuminh.com\/en\/giai-phap-chong-set-lan-truyen\/#Khoan_gieng_tiep_dia_sau\" >Khoan gi\u1ebfng ti\u1ebfp \u0111\u1ecba s\u00e2u<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/trieuminh.com\/en\/giai-phap-chong-set-lan-truyen\/#Su_dung_hoa_chat_giam_dien_tro_dat\" >S\u1eed d\u1ee5ng h\u00f3a ch\u1ea5t gi\u1ea3m \u0111i\u1ec7n tr\u1edf \u0111\u1ea5t<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/trieuminh.com\/en\/giai-phap-chong-set-lan-truyen\/#Thi_cong_luoi_tiep_dia\" >Thi c\u00f4ng l\u01b0\u1edbi ti\u1ebfp \u0111\u1ecba<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/trieuminh.com\/en\/giai-phap-chong-set-lan-truyen\/#7_Tieu_chuan_chong_set_ap_dung\" >7. Ti\u00eau chu\u1ea9n ch\u1ed1ng s\u00e9t \u00e1p d\u1ee5ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/trieuminh.com\/en\/giai-phap-chong-set-lan-truyen\/#8_Giai_phap_chong_set_lan_truyen_toan_dien_cho_cong_trinh\" >8. Gi\u1ea3i ph\u00e1p ch\u1ed1ng s\u00e9t lan truy\u1ec1n to\u00e0n di\u1ec7n cho c\u00f4ng tr\u00ecnh<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/trieuminh.com\/en\/giai-phap-chong-set-lan-truyen\/#Chong_set_truc_tiep\" >Ch\u1ed1ng s\u00e9t tr\u1ef1c ti\u1ebfp<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/trieuminh.com\/en\/giai-phap-chong-set-lan-truyen\/#Chong_set_lan_truyen_cho_nguon_dien\" >Ch\u1ed1ng s\u00e9t lan truy\u1ec1n cho ngu\u1ed3n \u0111i\u1ec7n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/trieuminh.com\/en\/giai-phap-chong-set-lan-truyen\/#Chong_set_cho_duong_tin_hieu\" >Ch\u1ed1ng s\u00e9t cho \u0111\u01b0\u1eddng t\u00edn hi\u1ec7u<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/trieuminh.com\/en\/giai-phap-chong-set-lan-truyen\/#He_thong_tiep_dia_dat_chuan\" >H\u1ec7 th\u1ed1ng ti\u1ebfp \u0111\u1ecba \u0111\u1ea1t chu\u1ea9n<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-35\" href=\"https:\/\/trieuminh.com\/en\/giai-phap-chong-set-lan-truyen\/#9_Loi_ich_khi_dau_tu_he_thong_chong_set_lan_truyen\" >9. L\u1ee3i \u00edch khi \u0111\u1ea7u t\u01b0 h\u1ec7 th\u1ed1ng ch\u1ed1ng s\u00e9t lan truy\u1ec1n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-36\" href=\"https:\/\/trieuminh.com\/en\/giai-phap-chong-set-lan-truyen\/#10_Ket_luan\" >10. K\u1ebft lu\u1eadn<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-37\" href=\"https:\/\/trieuminh.com\/en\/giai-phap-chong-set-lan-truyen\/#TAI_FILE_MEM_VE_GIAI_PHAP_CHONG_SET_LAN_TRUYEN_BEN_DUOI\" >T\u1ea2I FILE M\u1ec0M V\u1ec0 GI\u1ea2I PH\u00c1P CH\u1ed0NG S\u00c9T LAN TRUY\u1ec0N B\u00caN D\u01af\u1edaI:<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-38\" href=\"https:\/\/trieuminh.com\/en\/giai-phap-chong-set-lan-truyen\/#Lien_He\" >Li\u00ean H\u1ec7:<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-39\" href=\"https:\/\/trieuminh.com\/en\/giai-phap-chong-set-lan-truyen\/#Xem_them\" >More<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n<p data-start=\"745\" data-end=\"929\">Do \u0111\u00f3, vi\u1ec7c tri\u1ec3n khai <strong data-start=\"768\" data-end=\"811\">h\u1ec7 th\u1ed1ng ch\u1ed1ng s\u00e9t lan truy\u1ec1n to\u00e0n di\u1ec7n<\/strong> l\u00e0 gi\u1ea3i ph\u00e1p t\u1ed1i \u01b0u \u0111\u1ec3 b\u1ea3o v\u1ec7 c\u00f4ng tr\u00ecnh, \u0111\u1eb7c bi\u1ec7t l\u00e0 c\u00e1c t\u00f2a nh\u00e0, nh\u00e0 m\u00e1y, trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 h\u1ec7 th\u1ed1ng vi\u1ec5n th\u00f4ng.<\/p>\n<hr data-start=\"931\" data-end=\"934\" \/>\n<h2 data-section-id=\"7vxaq\" data-start=\"936\" data-end=\"989\"><span class=\"ez-toc-section\" id=\"2_Ban_chat_cua_set_lan_truyen_va_muc_do_nguy_hiem\"><\/span>2. B\u1ea3n ch\u1ea5t c\u1ee7a s\u00e9t lan truy\u1ec1n v\u00e0 m\u1ee9c \u0111\u1ed9 nguy hi\u1ec3m<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 data-section-id=\"1w473dn\" data-start=\"991\" data-end=\"1020\"><span class=\"ez-toc-section\" id=\"21_Set_lan_truyen_la_gi\"><\/span>2.1 S\u00e9t lan truy\u1ec1n l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"1022\" data-end=\"1085\">S\u00e9t lan truy\u1ec1n l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng c\u00e1c xung \u0111i\u1ec7n \u00e1p cao ph\u00e1t sinh do:<\/p>\n<ul data-start=\"1087\" data-end=\"1217\">\n<li data-section-id=\"1q73a7w\" data-start=\"1087\" data-end=\"1145\">S\u00e9t \u0111\u00e1nh tr\u1ef1c ti\u1ebfp v\u00e0o c\u00f4ng tr\u00ecnh ho\u1eb7c khu v\u1ef1c l\u00e2n c\u1eadn<\/li>\n<li data-section-id=\"5b3pd2\" data-start=\"1146\" data-end=\"1176\">C\u1ea3m \u1ee9ng \u0111i\u1ec7n t\u1eeb t\u1eeb tia s\u00e9t<\/li>\n<li data-section-id=\"1rx4fl8\" data-start=\"1177\" data-end=\"1217\">\u0110\u00f3ng c\u1eaft thi\u1ebft b\u1ecb \u0111i\u1ec7n c\u00f4ng su\u1ea5t l\u1edbn<\/li>\n<\/ul>\n<p data-start=\"1219\" data-end=\"1328\">C\u00e1c xung n\u00e0y s\u1ebd <strong data-start=\"1235\" data-end=\"1281\">lan truy\u1ec1n theo d\u00e2y d\u1eabn \u0111i\u1ec7n, c\u00e1p t\u00edn hi\u1ec7u<\/strong>, g\u00e2y \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn thi\u1ebft b\u1ecb s\u1eed d\u1ee5ng.<\/p>\n<p data-start=\"1219\" data-end=\"1328\"><strong><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-933\" src=\"https:\/\/trieuminh.com\/wp-content\/uploads\/2026\/03\/CHONG-SET-LAN-TRUYEN.jpg\" alt=\"CH\u1ed0NG S\u00c9T LAN TRUY\u1ec0N\" width=\"1093\" height=\"610\" srcset=\"https:\/\/trieuminh.com\/wp-content\/uploads\/2026\/03\/CHONG-SET-LAN-TRUYEN.jpg 1376w, https:\/\/trieuminh.com\/wp-content\/uploads\/2026\/03\/CHONG-SET-LAN-TRUYEN-768x429.jpg 768w\" sizes=\"auto, (max-width: 1093px) 100vw, 1093px\" \/><\/strong><\/p>\n<hr data-start=\"1330\" data-end=\"1333\" \/>\n<h3 data-section-id=\"ub9pbp\" data-start=\"97\" data-end=\"132\"><span class=\"ez-toc-section\" id=\"22_Dac_diem_nguy_hiem_cua_set\"><\/span>2.2. \u0110\u1eb7c \u0111i\u1ec3m nguy hi\u1ec3m c\u1ee7a s\u00e9t<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"134\" data-end=\"488\">S\u00e9t l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng ph\u00f3ng \u0111i\u1ec7n trong kh\u00ed quy\u1ec3n c\u00f3 n\u0103ng l\u01b0\u1ee3ng r\u1ea5t l\u1edbn v\u00e0 di\u1ec5n ra trong th\u1eddi gian c\u1ef1c ng\u1eafn. M\u1ed9t tia s\u00e9t c\u00f3 th\u1ec3 t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n l\u00ean t\u1edbi 100\u2013200kA, th\u1eadm ch\u00ed cao h\u01a1n trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p \u0111\u1eb7c bi\u1ec7t. \u0110\u1ed3ng th\u1eddi, \u0111i\u1ec7n \u00e1p c\u1ee7a tia s\u00e9t t\u0103ng \u0111\u1ed9t ng\u1ed9t trong v\u00e0i ph\u1ea7n tri\u1ec7u gi\u00e2y, t\u1ea1o n\u00ean c\u00e1c xung \u0111i\u1ec7n \u00e1p c\u00f3 bi\u00ean \u0111\u1ed9 c\u1ef1c l\u1edbn v\u00e0 t\u1ed1c \u0111\u1ed9 bi\u1ebfn thi\u00ean r\u1ea5t cao.<\/p>\n<p data-start=\"490\" data-end=\"826\">\u0110\u1eb7c \u0111i\u1ec3m nguy hi\u1ec3m c\u1ee7a s\u00e9t kh\u00f4ng ch\u1ec9 n\u1eb1m \u1edf gi\u00e1 tr\u1ecb d\u00f2ng \u0111i\u1ec7n l\u1edbn m\u00e0 c\u00f2n \u1edf kh\u1ea3 n\u0103ng sinh ra c\u00e1c xung \u0111i\u1ec7n \u00e1p \u0111\u1ed9t bi\u1ebfn, lan truy\u1ec1n tr\u00ean \u0111\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n, c\u00e1p t\u00edn hi\u1ec7u v\u00e0 c\u00e1c k\u1ebft c\u1ea5u kim lo\u1ea1i trong c\u00f4ng tr\u00ecnh. Nh\u1eefng xung \u0111i\u1ec7n n\u00e0y xu\u1ea5t hi\u1ec7n g\u1ea7n nh\u01b0 t\u1ee9c th\u1eddi, kh\u00f3 d\u1ef1 \u0111o\u00e1n v\u00e0 ho\u00e0n to\u00e0n kh\u00f4ng th\u1ec3 ki\u1ec3m so\u00e1t b\u1eb1ng c\u00e1c thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 th\u00f4ng th\u01b0\u1eddng.<\/p>\n<p data-start=\"828\" data-end=\"1034\">Ch\u00ednh v\u00ec th\u1eddi gian ph\u00f3ng \u0111i\u1ec7n c\u1ef1c ng\u1eafn nh\u01b0ng n\u0103ng l\u01b0\u1ee3ng t\u1eadp trung r\u1ea5t l\u1edbn n\u00ean s\u00e9t c\u00f3 kh\u1ea3 n\u0103ng g\u00e2y h\u01b0 h\u1ecfng nghi\u00eam tr\u1ecdng cho h\u1ec7 th\u1ed1ng \u0111i\u1ec7n, thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed v\u00e0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng c\u1ee7a c\u00f4ng tr\u00ecnh ch\u1ec9 trong t\u00edch t\u1eafc.<\/p>\n<h3 data-section-id=\"m9bakd\" data-start=\"1036\" data-end=\"1071\"><span class=\"ez-toc-section\" id=\"23_Hau_qua_cua_set_lan_truyen\"><\/span>2.3. H\u1eadu qu\u1ea3 c\u1ee7a s\u00e9t lan truy\u1ec1n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"1073\" data-end=\"1432\">B\u00ean c\u1ea1nh hi\u1ec7n t\u01b0\u1ee3ng s\u00e9t \u0111\u00e1nh tr\u1ef1c ti\u1ebfp, s\u00e9t lan truy\u1ec1n \u0111\u01b0\u1ee3c xem l\u00e0 nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn g\u00e2y h\u01b0 h\u1ecfng thi\u1ebft b\u1ecb \u0111i\u1ec7n v\u00e0 \u0111i\u1ec7n t\u1eed trong c\u00e1c c\u00f4ng tr\u00ecnh hi\u1ec7n \u0111\u1ea1i. Khi x\u1ea3y ra s\u00e9t \u0111\u00e1nh t\u1ea1i khu v\u1ef1c l\u00e2n c\u1eadn ho\u1eb7c tr\u00ean \u0111\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n, c\u00e1c xung qu\u00e1 \u00e1p s\u1ebd lan truy\u1ec1n theo h\u1ec7 th\u1ed1ng c\u1ea5p \u0111i\u1ec7n, m\u1ea1ng vi\u1ec5n th\u00f4ng ho\u1eb7c c\u00e1p t\u00edn hi\u1ec7u v\u00e0 t\u00e1c \u0111\u1ed9ng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn thi\u1ebft b\u1ecb \u0111ang v\u1eadn h\u00e0nh.<\/p>\n<p data-start=\"1434\" data-end=\"1494\">S\u00e9t lan truy\u1ec1n c\u00f3 th\u1ec3 g\u00e2y ra nhi\u1ec1u h\u1eadu qu\u1ea3 nghi\u00eam tr\u1ecdng nh\u01b0:<\/p>\n<ul data-start=\"1496\" data-end=\"1804\">\n<li data-section-id=\"1q57cpi\" data-start=\"1496\" data-end=\"1539\">L\u00e0m ch\u00e1y n\u1ed5 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n v\u00e0 \u0111i\u1ec7n t\u1eed.<\/li>\n<li data-section-id=\"1kdaif\" data-start=\"1540\" data-end=\"1613\">G\u00e2y h\u01b0 h\u1ecfng m\u00e1y t\u00ednh, m\u00e1y ch\u1ee7 (server) v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef d\u1eef li\u1ec7u.<\/li>\n<li data-section-id=\"d7hx14\" data-start=\"1614\" data-end=\"1665\">L\u00e0m m\u1ea5t d\u1eef li\u1ec7u quan tr\u1ecdng ho\u1eb7c g\u00e2y l\u1ed7i h\u1ec7 th\u1ed1ng.<\/li>\n<li data-section-id=\"13348n4\" data-start=\"1666\" data-end=\"1736\">G\u00e2y gi\u00e1n \u0111o\u1ea1n ho\u1ea1t \u0111\u1ed9ng s\u1ea3n xu\u1ea5t, kinh doanh v\u00e0 v\u1eadn h\u00e0nh c\u00f4ng tr\u00ecnh.<\/li>\n<li data-section-id=\"1l62xoa\" data-start=\"1737\" data-end=\"1804\">T\u0103ng nguy c\u01a1 m\u1ea5t an to\u00e0n cho ng\u01b0\u1eddi s\u1eed d\u1ee5ng v\u00e0 nh\u00e2n vi\u00ean v\u1eadn h\u00e0nh.<\/li>\n<\/ul>\n<p data-start=\"1806\" data-end=\"2155\">\u0110\u1eb7c bi\u1ec7t, c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed hi\u1ec7n \u0111\u1ea1i nh\u01b0 m\u00e1y t\u00ednh, modem, router, t\u1ed5ng \u0111\u00e0i \u0111i\u1ec7n tho\u1ea1i, h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n t\u1ef1 \u0111\u1ed9ng, PLC, thi\u1ebft b\u1ecb m\u1ea1ng v\u00e0 c\u00e1c b\u1ed9 \u0111i\u1ec1u khi\u1ec3n th\u00f4ng minh \u0111\u1ec1u c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu qu\u00e1 \u00e1p r\u1ea5t th\u1ea5p. Ch\u1ec9 m\u1ed9t xung \u0111i\u1ec7n \u00e1p v\u01b0\u1ee3t ng\u01b0\u1ee1ng trong th\u1eddi gian ng\u1eafn c\u0169ng c\u00f3 th\u1ec3 khi\u1ebfn c\u00e1c thi\u1ebft b\u1ecb n\u00e0y b\u1ecb h\u01b0 h\u1ecfng ho\u00e0n to\u00e0n ho\u1eb7c suy gi\u1ea3m tu\u1ed5i th\u1ecd \u0111\u00e1ng k\u1ec3.<\/p>\n<hr data-start=\"2157\" data-end=\"2160\" \/>\n<h2 data-section-id=\"iqzzrl\" data-start=\"2162\" data-end=\"2196\"><span class=\"ez-toc-section\" id=\"3_Phan_loai_he_thong_chong_set\"><\/span>3. Ph\u00e2n lo\u1ea1i h\u1ec7 th\u1ed1ng ch\u1ed1ng s\u00e9t<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"2198\" data-end=\"2423\">M\u1ed9t h\u1ec7 th\u1ed1ng ch\u1ed1ng s\u00e9t ho\u00e0n ch\u1ec9nh th\u01b0\u1eddng bao g\u1ed3m hai nh\u00f3m gi\u1ea3i ph\u00e1p ch\u00ednh l\u00e0 ch\u1ed1ng s\u00e9t tr\u1ef1c ti\u1ebfp v\u00e0 ch\u1ed1ng s\u00e9t lan truy\u1ec1n. Hai gi\u1ea3i ph\u00e1p n\u00e0y ho\u1ea1t \u0111\u1ed9ng b\u1ed5 tr\u1ee3 cho nhau nh\u1eb1m b\u1ea3o v\u1ec7 to\u00e0n di\u1ec7n c\u00f4ng tr\u00ecnh v\u00e0 c\u00e1c thi\u1ebft b\u1ecb b\u00ean trong.<\/p>\n<h3 data-section-id=\"1gq5w7o\" data-start=\"2425\" data-end=\"2462\"><span class=\"ez-toc-section\" id=\"31_He_thong_chong_set_truc_tiep\"><\/span>3.1. H\u1ec7 th\u1ed1ng ch\u1ed1ng s\u00e9t tr\u1ef1c ti\u1ebfp<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"2464\" data-end=\"2616\">H\u1ec7 th\u1ed1ng ch\u1ed1ng s\u00e9t tr\u1ef1c ti\u1ebfp c\u00f3 nhi\u1ec7m v\u1ee5 thu nh\u1eadn d\u00f2ng s\u00e9t \u0111\u00e1nh v\u00e0o c\u00f4ng tr\u00ecnh v\u00e0 d\u1eabn d\u00f2ng s\u00e9t xu\u1ed1ng \u0111\u1ea5t th\u00f4ng qua h\u1ec7 th\u1ed1ng d\u00e2y d\u1eabn v\u00e0 ti\u1ebfp \u0111\u1ecba an to\u00e0n.<\/p>\n<p data-start=\"2618\" data-end=\"2674\">C\u00e1c gi\u1ea3i ph\u00e1p ch\u1ed1ng s\u00e9t tr\u1ef1c ti\u1ebfp ph\u1ed5 bi\u1ebfn hi\u1ec7n nay g\u1ed3m:<\/p>\n<ul data-start=\"2676\" data-end=\"2855\">\n<li data-section-id=\"1l5qy9p\" data-start=\"2676\" data-end=\"2716\">H\u1ec7 th\u1ed1ng kim thu s\u00e9t c\u1ed5 \u0111i\u1ec3n Franklin.<\/li>\n<li data-section-id=\"ydgvhz\" data-start=\"2717\" data-end=\"2794\">H\u1ec7 th\u1ed1ng kim thu s\u00e9t ph\u00e1t tia ti\u00ean \u0111\u1ea1o s\u1edbm (ESE \u2013 Early Streamer Emission).<\/li>\n<li data-section-id=\"1p7nhdn\" data-start=\"2795\" data-end=\"2824\">H\u1ec7 th\u1ed1ng d\u00e2y d\u1eabn tho\u00e1t s\u00e9t.<\/li>\n<li data-section-id=\"mnveft\" data-start=\"2825\" data-end=\"2855\">H\u1ec7 th\u1ed1ng ti\u1ebfp \u0111\u1ecba ch\u1ed1ng s\u00e9t.<\/li>\n<\/ul>\n<p data-start=\"2857\" data-end=\"2980\">M\u1ee5c ti\u00eau ch\u00ednh c\u1ee7a h\u1ec7 th\u1ed1ng l\u00e0 ng\u0103n ch\u1eb7n c\u00e1c t\u00e1c \u0111\u1ed9ng c\u01a1 h\u1ecdc, nhi\u1ec7t v\u00e0 \u0111i\u1ec7n t\u1eeb do s\u00e9t \u0111\u00e1nh tr\u1ef1c ti\u1ebfp g\u00e2y ra cho c\u00f4ng tr\u00ecnh.<\/p>\n<p data-start=\"2857\" data-end=\"2980\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1420\" src=\"https:\/\/trieuminh.com\/wp-content\/uploads\/2026\/04\/ese.jpg\" alt=\"KIM THU S\u00c9T TI\u00caN \u0110\u1ea0O\" width=\"400\" height=\"400\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1418\" src=\"https:\/\/trieuminh.com\/wp-content\/uploads\/2026\/04\/kim-thu-set-co-dien.jpg\" alt=\"KIM THU S\u00c9T C\u1ed4 \u0110I\u1ec2N\" width=\"366\" height=\"366\" \/><\/p>\n<h3 data-section-id=\"w9uat3\" data-start=\"2982\" data-end=\"3020\"><span class=\"ez-toc-section\" id=\"32_He_thong_chong_set_lan_truyen\"><\/span>3.2. H\u1ec7 th\u1ed1ng ch\u1ed1ng s\u00e9t lan truy\u1ec1n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"3022\" data-end=\"3172\">Ch\u1ed1ng s\u00e9t lan truy\u1ec1n l\u00e0 gi\u1ea3i ph\u00e1p b\u1ea3o v\u1ec7 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n v\u00e0 \u0111i\u1ec7n t\u1eed kh\u1ecfi c\u00e1c xung qu\u00e1 \u00e1p ph\u00e1t sinh do s\u00e9t ho\u1eb7c do c\u00e1c s\u1ef1 c\u1ed1 \u0111\u00f3ng c\u1eaft tr\u00ean l\u01b0\u1edbi \u0111i\u1ec7n.<\/p>\n<p data-start=\"3174\" data-end=\"3233\">C\u00e1c thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t lan truy\u1ec1n th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t tr\u00ean:<\/p>\n<ul data-start=\"3235\" data-end=\"3441\">\n<li data-section-id=\"xw0pyw\" data-start=\"3235\" data-end=\"3270\">\u0110\u01b0\u1eddng ngu\u1ed3n \u0111i\u1ec7n xoay chi\u1ec1u (AC).<\/li>\n<li data-section-id=\"1k22b0y\" data-start=\"3271\" data-end=\"3305\">\u0110\u01b0\u1eddng ngu\u1ed3n \u0111i\u1ec7n m\u1ed9t chi\u1ec1u (DC).<\/li>\n<li data-section-id=\"uh9ote\" data-start=\"3306\" data-end=\"3331\">H\u1ec7 th\u1ed1ng m\u1ea1ng m\u00e1y t\u00ednh.<\/li>\n<li data-section-id=\"1z068vs\" data-start=\"3332\" data-end=\"3354\">H\u1ec7 th\u1ed1ng vi\u1ec5n th\u00f4ng.<\/li>\n<li data-section-id=\"13gcrhx\" data-start=\"3355\" data-end=\"3398\">\u0110\u01b0\u1eddng t\u00edn hi\u1ec7u \u0111i\u1ec1u khi\u1ec3n v\u00e0 t\u1ef1 \u0111\u1ed9ng h\u00f3a.<\/li>\n<li data-section-id=\"1ctzlcx\" data-start=\"3399\" data-end=\"3441\">H\u1ec7 th\u1ed1ng camera gi\u00e1m s\u00e1t v\u00e0 truy\u1ec1n h\u00ecnh.<\/li>\n<\/ul>\n<p data-start=\"3443\" data-end=\"3670\">Trong m\u1ed9t h\u1ec7 th\u1ed1ng b\u1ea3o v\u1ec7 ch\u1ed1ng s\u00e9t t\u1ed5ng th\u1ec3, ch\u1ed1ng s\u00e9t lan truy\u1ec1n \u0111\u01b0\u1ee3c xem l\u00e0 l\u1edbp b\u1ea3o v\u1ec7 quan tr\u1ecdng th\u1ee9 hai sau ch\u1ed1ng s\u00e9t tr\u1ef1c ti\u1ebfp, gi\u00fap h\u1ea1n ch\u1ebf t\u1ed1i \u0111a nguy c\u01a1 h\u01b0 h\u1ecfng c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed c\u00f3 gi\u00e1 tr\u1ecb cao b\u00ean trong c\u00f4ng tr\u00ecnh.<\/p>\n<hr data-start=\"3672\" data-end=\"3675\" \/>\n<h2 data-section-id=\"14gjmlq\" data-start=\"3677\" data-end=\"3735\"><span class=\"ez-toc-section\" id=\"4_Giai_phap_chong_set_lan_truyen_tren_duong_nguon_dien\"><\/span>4. Gi\u1ea3i ph\u00e1p ch\u1ed1ng s\u00e9t lan truy\u1ec1n tr\u00ean \u0111\u01b0\u1eddng ngu\u1ed3n \u0111i\u1ec7n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 data-section-id=\"1hymfwg\" data-start=\"3737\" data-end=\"3765\"><span class=\"ez-toc-section\" id=\"41_Nguyen_ly_hoat_dong\"><\/span>4.1. Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"3767\" data-end=\"3944\">Khi x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng s\u00e9t \u0111\u00e1nh ho\u1eb7c xu\u1ea5t hi\u1ec7n c\u00e1c xung qu\u00e1 \u00e1p tr\u00ean l\u01b0\u1edbi \u0111i\u1ec7n, \u0111i\u1ec7n \u00e1p t\u1ea1i \u0111\u01b0\u1eddng d\u00e2y ngu\u1ed3n s\u1ebd t\u0103ng \u0111\u1ed9t bi\u1ebfn v\u01b0\u1ee3t xa m\u1ee9c \u0111i\u1ec7n \u00e1p l\u00e0m vi\u1ec7c b\u00ecnh th\u01b0\u1eddng c\u1ee7a thi\u1ebft b\u1ecb.<\/p>\n<p data-start=\"3946\" data-end=\"4246\">L\u00fac n\u00e0y, thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t lan truy\u1ec1n (SPD \u2013 Surge Protective Device) s\u1ebd nhanh ch\u00f3ng chuy\u1ec3n sang tr\u1ea1ng th\u00e1i d\u1eabn \u0111i\u1ec7n, t\u1ea1o ra m\u1ed9t \u0111\u01b0\u1eddng d\u1eabn c\u00f3 \u0111i\u1ec7n tr\u1edf th\u1ea5p \u0111\u1ec3 \u0111\u01b0a d\u00f2ng xung xu\u1ed1ng h\u1ec7 th\u1ed1ng ti\u1ebfp \u0111\u1ecba. Nh\u1edd \u0111\u00f3, ph\u1ea7n l\u1edbn n\u0103ng l\u01b0\u1ee3ng c\u1ee7a xung s\u00e9t \u0111\u01b0\u1ee3c tri\u1ec7t ti\u00eau tr\u01b0\u1edbc khi \u0111i t\u1edbi c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n ph\u00eda sau.<\/p>\n<p data-start=\"4248\" data-end=\"4405\">Sau khi xung \u0111i\u1ec7n k\u1ebft th\u00fac, thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t s\u1ebd t\u1ef1 \u0111\u1ed9ng tr\u1edf v\u1ec1 tr\u1ea1ng th\u00e1i l\u00e0m vi\u1ec7c b\u00ecnh th\u01b0\u1eddng m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh c\u1ee7a h\u1ec7 th\u1ed1ng \u0111i\u1ec7n.<\/p>\n<h3 data-section-id=\"1hsgmwv\" data-start=\"4407\" data-end=\"4463\"><span class=\"ez-toc-section\" id=\"42_Cau_truc_he_thong_chong_set_lan_truyen_nguon_AC\"><\/span>4.2. C\u1ea5u tr\u00fac h\u1ec7 th\u1ed1ng ch\u1ed1ng s\u00e9t lan truy\u1ec1n ngu\u1ed3n AC<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"4465\" data-end=\"4585\">\u0110\u1ec3 \u0111\u1ea1t hi\u1ec7u qu\u1ea3 b\u1ea3o v\u1ec7 t\u1ed1i \u01b0u, h\u1ec7 th\u1ed1ng ch\u1ed1ng s\u00e9t lan truy\u1ec1n tr\u00ean ngu\u1ed3n \u0111i\u1ec7n th\u01b0\u1eddng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf theo nhi\u1ec1u c\u1ea5p b\u1ea3o v\u1ec7.<\/p>\n<h4 data-start=\"4587\" data-end=\"4642\"><span class=\"ez-toc-section\" id=\"Cap_1_%E2%80%93_Thiet_bi_chong_set_so_cap_Surge_Diverter\"><\/span>C\u1ea5p 1 \u2013 Thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t s\u01a1 c\u1ea5p (Surge Diverter)<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p data-start=\"4644\" data-end=\"4744\">Thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t s\u01a1 c\u1ea5p \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t t\u1ea1i t\u1ee7 \u0111i\u1ec7n t\u1ed5ng ho\u1eb7c \u0111i\u1ec3m \u0111\u1ea7u ngu\u1ed3n c\u1ea5p \u0111i\u1ec7n v\u00e0o c\u00f4ng tr\u00ecnh.<\/p>\n<p data-start=\"4746\" data-end=\"4778\">\u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a c\u1ea5p b\u1ea3o v\u1ec7 n\u00e0y g\u1ed3m:<\/p>\n<ul data-start=\"4780\" data-end=\"5021\">\n<li data-section-id=\"ejyxaz\" data-start=\"4780\" data-end=\"4842\">S\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 MOV (Metal Oxide Varistor) ho\u1eb7c Spark Gap.<\/li>\n<li data-section-id=\"179si61\" data-start=\"4843\" data-end=\"4894\">Kh\u1ea3 n\u0103ng c\u1eaft d\u00f2ng s\u00e9t l\u1edbn t\u1eeb 50kA \u0111\u1ebfn tr\u00ean 120kA.<\/li>\n<li data-section-id=\"1ftamej\" data-start=\"4895\" data-end=\"4953\">Th\u1eddi gian \u0111\u00e1p \u1ee9ng r\u1ea5t nhanh, th\u01b0\u1eddng nh\u1ecf h\u01a1n 25 nanogi\u00e2y.<\/li>\n<li data-section-id=\"iw4uaw\" data-start=\"4954\" data-end=\"5021\">Ch\u1ecbu \u0111\u01b0\u1ee3c c\u00e1c xung s\u00e9t c\u00f3 n\u0103ng l\u01b0\u1ee3ng l\u1edbn t\u1eeb b\u00ean ngo\u00e0i truy\u1ec1n v\u00e0o.<\/li>\n<\/ul>\n<p data-start=\"5023\" data-end=\"5179\">Nhi\u1ec7m v\u1ee5 ch\u00ednh c\u1ee7a SPD c\u1ea5p 1 l\u00e0 h\u1ea5p th\u1ee5 v\u00e0 tri\u1ec7t ti\u00eau ph\u1ea7n l\u1edbn n\u0103ng l\u01b0\u1ee3ng c\u1ee7a d\u00f2ng s\u00e9t tr\u01b0\u1edbc khi xung qu\u00e1 \u00e1p lan s\u00e2u v\u00e0o h\u1ec7 th\u1ed1ng \u0111i\u1ec7n b\u00ean trong c\u00f4ng tr\u00ecnh.<\/p>\n<h4 data-start=\"5181\" data-end=\"5220\"><span class=\"ez-toc-section\" id=\"Cap_2_%E2%80%93_Thiet_bi_chong_set_thu_cap\"><\/span>C\u1ea5p 2 \u2013 Thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t th\u1ee9 c\u1ea5p<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p data-start=\"5222\" data-end=\"5325\">Thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t th\u1ee9 c\u1ea5p \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t t\u1ea1i c\u00e1c t\u1ee7 ph\u00e2n ph\u1ed1i ho\u1eb7c g\u1ea7n khu v\u1ef1c ch\u1ee9a thi\u1ebft b\u1ecb c\u1ea7n b\u1ea3o v\u1ec7.<\/p>\n<p data-start=\"5327\" data-end=\"5379\">C\u1ea5u tr\u00fac \u0111i\u1ec3n h\u00ecnh th\u01b0\u1eddng bao g\u1ed3m nhi\u1ec1u t\u1ea7ng b\u1ea3o v\u1ec7:<\/p>\n<ul data-start=\"5381\" data-end=\"5617\">\n<li data-section-id=\"1u27t7o\" data-start=\"5381\" data-end=\"5446\">T\u1ea7ng th\u1ee9 nh\u1ea5t s\u1eed d\u1ee5ng MOV \u0111\u1ec3 h\u1ea5p th\u1ee5 ph\u1ea7n xung \u0111i\u1ec7n \u00e1p c\u00f2n l\u1ea1i.<\/li>\n<li data-section-id=\"jldjz\" data-start=\"5447\" data-end=\"5528\">T\u1ea7ng th\u1ee9 hai s\u1eed d\u1ee5ng b\u1ed9 l\u1ecdc LC g\u1ed3m cu\u1ed9n c\u1ea3m v\u00e0 t\u1ee5 \u0111i\u1ec7n nh\u1eb1m gi\u1ea3m nhi\u1ec5u cao t\u1ea7n.<\/li>\n<li data-section-id=\"1i73nol\" data-start=\"5529\" data-end=\"5617\">T\u1ea7ng th\u1ee9 ba s\u1eed d\u1ee5ng MOV ho\u1eb7c linh ki\u1ec7n b\u1ea3o v\u1ec7 b\u1ed5 sung \u0111\u1ec3 t\u0103ng \u0111\u1ed9 an to\u00e0n cho h\u1ec7 th\u1ed1ng.<\/li>\n<\/ul>\n<p data-start=\"5619\" data-end=\"5645\">Nhi\u1ec7m v\u1ee5 c\u1ee7a SPD c\u1ea5p 2 l\u00e0:<\/p>\n<ul data-start=\"5647\" data-end=\"5869\">\n<li data-section-id=\"2lf0e0\" data-start=\"5647\" data-end=\"5687\">Gi\u1ea3m \u0111i\u1ec7n \u00e1p d\u01b0 sau c\u1ea5p b\u1ea3o v\u1ec7 s\u01a1 c\u1ea5p.<\/li>\n<li data-section-id=\"bjotwd\" data-start=\"5688\" data-end=\"5729\">H\u1ea1n ch\u1ebf nhi\u1ec5u \u0111i\u1ec7n t\u1eeb v\u00e0 nhi\u1ec5u cao t\u1ea7n.<\/li>\n<li data-section-id=\"961bzw\" data-start=\"5730\" data-end=\"5762\">\u1ed4n \u0111\u1ecbnh ch\u1ea5t l\u01b0\u1ee3ng ngu\u1ed3n \u0111i\u1ec7n.<\/li>\n<li data-section-id=\"1eijtim\" data-start=\"5763\" data-end=\"5869\">B\u1ea3o v\u1ec7 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed nh\u1ea1y c\u1ea3m nh\u01b0 m\u00e1y t\u00ednh, m\u00e1y ch\u1ee7, thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n v\u00e0 h\u1ec7 th\u1ed1ng t\u1ef1 \u0111\u1ed9ng h\u00f3a.<\/li>\n<\/ul>\n<h3 data-section-id=\"1ec0kpk\" data-start=\"5871\" data-end=\"5917\"><span class=\"ez-toc-section\" id=\"43_Uu_diem_cua_he_thong_chong_set_da_cap\"><\/span>4.3. \u01afu \u0111i\u1ec3m c\u1ee7a h\u1ec7 th\u1ed1ng ch\u1ed1ng s\u00e9t \u0111a c\u1ea5p<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"5919\" data-end=\"6031\">Vi\u1ec7c \u00e1p d\u1ee5ng gi\u1ea3i ph\u00e1p ch\u1ed1ng s\u00e9t lan truy\u1ec1n nhi\u1ec1u c\u1ea5p mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch quan tr\u1ecdng cho c\u00f4ng tr\u00ecnh hi\u1ec7n \u0111\u1ea1i:<\/p>\n<ul data-start=\"6033\" data-end=\"6414\">\n<li data-section-id=\"1pfoqi9\" data-start=\"6033\" data-end=\"6095\">B\u1ea3o v\u1ec7 to\u00e0n di\u1ec7n t\u1eeb t\u1ee7 \u0111i\u1ec7n t\u1ed5ng \u0111\u1ebfn t\u1eebng thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i.<\/li>\n<li data-section-id=\"1bto64d\" data-start=\"6096\" data-end=\"6136\">N\u00e2ng cao \u0111\u1ed9 tin c\u1eady c\u1ee7a h\u1ec7 th\u1ed1ng \u0111i\u1ec7n.<\/li>\n<li data-section-id=\"hufkje\" data-start=\"6137\" data-end=\"6194\">Gi\u1ea3m thi\u1ec3u nguy c\u01a1 h\u01b0 h\u1ecfng thi\u1ebft b\u1ecb do qu\u00e1 \u00e1p \u0111\u1ed9t bi\u1ebfn.<\/li>\n<li data-section-id=\"id0f12\" data-start=\"6195\" data-end=\"6247\">K\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n v\u00e0 \u0111i\u1ec7n t\u1eed.<\/li>\n<li data-section-id=\"1pcj887\" data-start=\"6248\" data-end=\"6311\">Gi\u1ea3m chi ph\u00ed s\u1eeda ch\u1eefa, thay th\u1ebf v\u00e0 th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng.<\/li>\n<li data-section-id=\"r0dx8f\" data-start=\"6312\" data-end=\"6414\">Ph\u00f9 h\u1ee3p v\u1edbi c\u1ea3 h\u1ec7 th\u1ed1ng \u0111i\u1ec7n m\u1ed9t pha v\u00e0 ba pha trong c\u00f4ng tr\u00ecnh d\u00e2n d\u1ee5ng, th\u01b0\u01a1ng m\u1ea1i v\u00e0 c\u00f4ng nghi\u1ec7p.<\/li>\n<\/ul>\n<hr data-start=\"6416\" data-end=\"6419\" \/>\n<h2 data-section-id=\"1o5ztlv\" data-start=\"6421\" data-end=\"6479\"><span class=\"ez-toc-section\" id=\"5_Giai_phap_chong_set_lan_truyen_cho_he_thong_tin_hieu\"><\/span>5. Gi\u1ea3i ph\u00e1p ch\u1ed1ng s\u00e9t lan truy\u1ec1n cho h\u1ec7 th\u1ed1ng t\u00edn hi\u1ec7u<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"6481\" data-end=\"6759\">Ngo\u00e0i \u0111\u01b0\u1eddng ngu\u1ed3n \u0111i\u1ec7n, c\u00e1c \u0111\u01b0\u1eddng truy\u1ec1n t\u00edn hi\u1ec7u c\u0169ng l\u00e0 m\u00f4i tr\u01b0\u1eddng r\u1ea5t d\u1ec5 xu\u1ea5t hi\u1ec7n hi\u1ec7n t\u01b0\u1ee3ng lan truy\u1ec1n xung s\u00e9t. N\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 ph\u00f9 h\u1ee3p, c\u00e1c thi\u1ebft b\u1ecb m\u1ea1ng, vi\u1ec5n th\u00f4ng, camera v\u00e0 \u0111i\u1ec1u khi\u1ec3n t\u1ef1 \u0111\u1ed9ng c\u00f3 th\u1ec3 b\u1ecb h\u01b0 h\u1ecfng ngay c\u1ea3 khi c\u00f4ng tr\u00ecnh kh\u00f4ng b\u1ecb s\u00e9t \u0111\u00e1nh tr\u1ef1c ti\u1ebfp.<\/p>\n<h3 data-section-id=\"1i5rho6\" data-start=\"6761\" data-end=\"6801\"><span class=\"ez-toc-section\" id=\"51_Chong_set_cho_he_thong_mang_LAN\"><\/span>5.1. Ch\u1ed1ng s\u00e9t cho h\u1ec7 th\u1ed1ng m\u1ea1ng LAN<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"6803\" data-end=\"6976\">\u0110\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng m\u1ea1ng m\u00e1y t\u00ednh, thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t tr\u00ean c\u00e1c \u0111\u01b0\u1eddng c\u00e1p m\u1ea1ng RJ45 nh\u1eb1m b\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb tr\u01b0\u1edbc c\u00e1c xung qu\u00e1 \u00e1p lan truy\u1ec1n theo \u0111\u01b0\u1eddng truy\u1ec1n d\u1eef li\u1ec7u.<\/p>\n<p data-start=\"6978\" data-end=\"7022\">C\u00e1c thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t m\u1ea1ng hi\u1ec7n nay c\u00f3 th\u1ec3:<\/p>\n<ul data-start=\"7024\" data-end=\"7183\">\n<li data-section-id=\"16zxjgv\" data-start=\"7024\" data-end=\"7055\">H\u1ed7 tr\u1ee3 t\u1eeb 1 \u0111\u1ebfn 16 c\u1ed5ng m\u1ea1ng.<\/li>\n<li data-section-id=\"1zgpnm\" data-start=\"7056\" data-end=\"7105\">T\u01b0\u01a1ng th\u00edch v\u1edbi chu\u1ea9n c\u00e1p Cat5e, Cat6 v\u00e0 Cat6A.<\/li>\n<li data-section-id=\"3nejwg\" data-start=\"7106\" data-end=\"7146\">Kh\u00f4ng l\u00e0m suy hao t\u00edn hi\u1ec7u truy\u1ec1n d\u1eabn.<\/li>\n<li data-section-id=\"m2uo2l\" data-start=\"7147\" data-end=\"7183\">\u0110\u00e1p \u1ee9ng t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u cao.<\/li>\n<\/ul>\n<p data-start=\"7185\" data-end=\"7298\">Gi\u1ea3i ph\u00e1p n\u00e0y gi\u00fap b\u1ea3o v\u1ec7 hi\u1ec7u qu\u1ea3 c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 switch, router, server, m\u00e1y t\u00ednh v\u00e0 h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef d\u1eef li\u1ec7u.<\/p>\n<h3 data-section-id=\"2aisrq\" data-start=\"7300\" data-end=\"7342\"><span class=\"ez-toc-section\" id=\"52_Chong_set_cho_he_thong_vien_thong\"><\/span>5.2. Ch\u1ed1ng s\u00e9t cho h\u1ec7 th\u1ed1ng vi\u1ec5n th\u00f4ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"7344\" data-end=\"7467\">\u0110\u1ed1i v\u1edbi c\u00e1c \u0111\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n tho\u1ea1i v\u00e0 vi\u1ec5n th\u00f4ng, thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t th\u01b0\u1eddng \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o t\u1eeb nhi\u1ec1u ph\u1ea7n t\u1eed b\u1ea3o v\u1ec7 k\u1ebft h\u1ee3p nh\u01b0:<\/p>\n<ul data-start=\"7469\" data-end=\"7558\">\n<li data-section-id=\"7je8mb\" data-start=\"7469\" data-end=\"7515\">\u1ed0ng ph\u00f3ng \u0111i\u1ec7n kh\u00ed Gas Discharge Tube (GDT).<\/li>\n<li data-section-id=\"1ih8z7b\" data-start=\"7516\" data-end=\"7536\">\u0110i\u1ec7n tr\u1edf h\u1ea1n d\u00f2ng.<\/li>\n<li data-section-id=\"1bl525v\" data-start=\"7537\" data-end=\"7558\">MOV ho\u1eb7c TVS Diode.<\/li>\n<\/ul>\n<p data-start=\"7560\" data-end=\"7738\">C\u00e1c thi\u1ebft b\u1ecb n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng c\u1eaft nhanh c\u00e1c xung \u0111i\u1ec7n \u00e1p \u0111\u1ed9t bi\u1ebfn v\u00e0 b\u1ea3o v\u1ec7 an to\u00e0n cho t\u1ed5ng \u0111\u00e0i \u0111i\u1ec7n tho\u1ea1i, h\u1ec7 th\u1ed1ng li\u00ean l\u1ea1c n\u1ed9i b\u1ed9, t\u1ee7 MDF, IDF v\u00e0 c\u00e1c thi\u1ebft b\u1ecb vi\u1ec5n th\u00f4ng kh\u00e1c.<\/p>\n<h3 data-section-id=\"bxkkkg\" data-start=\"7740\" data-end=\"7776\"><span class=\"ez-toc-section\" id=\"53_Chong_set_cho_cap_dong_truc\"><\/span>5.3. Ch\u1ed1ng s\u00e9t cho c\u00e1p \u0111\u1ed3ng tr\u1ee5c<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"7778\" data-end=\"7951\">C\u00e1c h\u1ec7 th\u1ed1ng s\u1eed d\u1ee5ng c\u00e1p \u0111\u1ed3ng tr\u1ee5c nh\u01b0 camera gi\u00e1m s\u00e1t, anten truy\u1ec1n h\u00ecnh, h\u1ec7 th\u1ed1ng RF ho\u1eb7c thi\u1ebft b\u1ecb ph\u00e1t s\u00f3ng v\u00f4 tuy\u1ebfn \u0111\u1ec1u c\u1ea7n \u0111\u01b0\u1ee3c trang b\u1ecb thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t chuy\u00ean d\u1ee5ng.<\/p>\n<p data-start=\"7953\" data-end=\"7984\">Thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 th\u01b0\u1eddng bao g\u1ed3m:<\/p>\n<ul data-start=\"7986\" data-end=\"8095\">\n<li data-section-id=\"164z4v8\" data-start=\"7986\" data-end=\"8008\">Gas-filled Arrester.<\/li>\n<li data-section-id=\"1cqp4zk\" data-start=\"8009\" data-end=\"8046\">B\u1ed9 ch\u1ed1ng s\u00e9t \u0111\u1ed3ng tr\u1ee5c chuy\u00ean d\u1ee5ng.<\/li>\n<li data-section-id=\"6lzs3p\" data-start=\"8047\" data-end=\"8095\">C\u00e1c chu\u1ea9n \u0111\u1ea7u n\u1ed1i nh\u01b0 BNC, N-Type ho\u1eb7c F-Type.<\/li>\n<\/ul>\n<p data-start=\"8097\" data-end=\"8211\">Gi\u1ea3i ph\u00e1p n\u00e0y gi\u00fap ng\u0103n ch\u1eb7n xung s\u00e9t lan truy\u1ec1n theo \u0111\u01b0\u1eddng c\u00e1p v\u00e0 b\u1ea3o v\u1ec7 thi\u1ebft b\u1ecb thu ph\u00e1t t\u00edn hi\u1ec7u kh\u1ecfi h\u01b0 h\u1ecfng.<\/p>\n<h3 data-section-id=\"1v49h3o\" data-start=\"8213\" data-end=\"8267\"><span class=\"ez-toc-section\" id=\"54_Chong_set_cho_tin_hieu_dieu_khien_RS232RS485\"><\/span>5.4. Ch\u1ed1ng s\u00e9t cho t\u00edn hi\u1ec7u \u0111i\u1ec1u khi\u1ec3n RS232\/RS485<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"8269\" data-end=\"8418\">\u0110\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n t\u1ef1 \u0111\u1ed9ng, PLC, SCADA v\u00e0 BMS, c\u00e1c \u0111\u01b0\u1eddng truy\u1ec1n RS232 ho\u1eb7c RS485 th\u01b0\u1eddng \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7 b\u1eb1ng c\u00e1c m\u1ea1ch ch\u1ed1ng s\u00e9t chuy\u00ean d\u1ee5ng.<\/p>\n<p data-start=\"8420\" data-end=\"8447\">C\u1ea5u tr\u00fac b\u1ea3o v\u1ec7 th\u01b0\u1eddng g\u1ed3m:<\/p>\n<ul data-start=\"8449\" data-end=\"8539\">\n<li data-section-id=\"1x8duxj\" data-start=\"8449\" data-end=\"8472\">Diode TVS t\u1ed1c \u0111\u1ed9 cao.<\/li>\n<li data-section-id=\"1ofouh3\" data-start=\"8473\" data-end=\"8500\">Gas Discharge Tube (GDT).<\/li>\n<li data-section-id=\"dfqsfv\" data-start=\"8501\" data-end=\"8539\">\u0110i\u1ec7n tr\u1edf h\u1ea1n d\u00f2ng v\u00e0 m\u1ea1ch l\u1ecdc nhi\u1ec5u.<\/li>\n<\/ul>\n<p data-start=\"8541\" data-end=\"8733\" data-is-last-node=\"\" data-is-only-node=\"\">C\u00e1c thi\u1ebft b\u1ecb n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng c\u1eaft xung qu\u00e1 \u00e1p trong th\u1eddi gian c\u1ef1c ng\u1eafn nh\u01b0ng v\u1eabn duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng truy\u1ec1n d\u1eef li\u1ec7u, kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng c\u1ee7a h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n v\u00e0 gi\u00e1m s\u00e1t c\u00f4ng tr\u00ecnh.<\/p>\n<hr data-start=\"4343\" data-end=\"4346\" \/>\n<h2 data-section-id=\"1iptvfx\" data-start=\"4348\" data-end=\"4399\"><span class=\"ez-toc-section\" id=\"6_Vai_tro_cua_he_thong_tiep_dia_trong_chong_set\"><\/span>6. Vai tr\u00f2 c\u1ee7a h\u1ec7 th\u1ed1ng ti\u1ebfp \u0111\u1ecba trong ch\u1ed1ng s\u00e9t<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 data-section-id=\"12urunl\" data-start=\"4401\" data-end=\"4437\"><span class=\"ez-toc-section\" id=\"61_Tai_sao_tiep_dia_quan_trong\"><\/span>6.1 T\u1ea1i sao ti\u1ebfp \u0111\u1ecba quan tr\u1ecdng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p data-start=\"4439\" data-end=\"4483\">To\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng ch\u1ed1ng s\u00e9t ch\u1ec9 hi\u1ec7u qu\u1ea3 khi:<\/p>\n<p data-start=\"4485\" data-end=\"4538\">\ud83d\udc49 <strong data-start=\"4488\" data-end=\"4538\">D\u00f2ng s\u00e9t \u0111\u01b0\u1ee3c tho\u00e1t xu\u1ed1ng \u0111\u1ea5t nhanh v\u00e0 an to\u00e0n<\/strong><\/p>\n<hr data-start=\"4540\" data-end=\"4543\" \/>\n<h3 data-section-id=\"s3x0qh\" data-start=\"4545\" data-end=\"4569\"><span class=\"ez-toc-section\" id=\"62_Yeu_cau_ky_thuat\"><\/span>6.2 Y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul data-start=\"4571\" data-end=\"4665\">\n<li data-section-id=\"hmza20\" data-start=\"4571\" data-end=\"4600\">\u0110i\u1ec7n tr\u1edf ti\u1ebfp \u0111\u1ea5t \u2264 4 Ohm<\/li>\n<li data-section-id=\"18dj2fh\" data-start=\"4601\" data-end=\"4626\">D\u00e2y tho\u00e1t s\u00e9t \u2265 50mm\u00b2<\/li>\n<li data-section-id=\"1meipch\" data-start=\"4627\" data-end=\"4665\">S\u1eed d\u1ee5ng h\u00e0n h\u00f3a nhi\u1ec7t ch\u1ed1ng \u0103n m\u00f2n<\/li>\n<li><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-935\" src=\"https:\/\/trieuminh.com\/wp-content\/uploads\/2026\/03\/HE-THONG-TIEP-DIA.png\" alt=\"TI\u1ec6P \u0110\u1ecaA\" width=\"1127\" height=\"715\" srcset=\"https:\/\/trieuminh.com\/wp-content\/uploads\/2026\/03\/HE-THONG-TIEP-DIA.png 1286w, https:\/\/trieuminh.com\/wp-content\/uploads\/2026\/03\/HE-THONG-TIEP-DIA-768x487.png 768w\" sizes=\"auto, (max-width: 1127px) 100vw, 1127px\" \/><\/li>\n<li data-section-id=\"1meipch\" data-start=\"4627\" data-end=\"4665\"><\/li>\n<\/ul>\n<hr data-start=\"4667\" data-end=\"4670\" \/>\n<h2><span class=\"ez-toc-section\" id=\"63_Phuong_phap_thi_cong_he_thong_tiep_dia\"><\/span>6.3. Ph\u01b0\u01a1ng ph\u00e1p thi c\u00f4ng h\u1ec7 th\u1ed1ng ti\u1ebfp \u0111\u1ecba<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>H\u1ec7 th\u1ed1ng ti\u1ebfp \u0111\u1ecba l\u00e0 b\u1ed9 ph\u1eadn quan tr\u1ecdng trong gi\u1ea3i ph\u00e1p ch\u1ed1ng s\u00e9t t\u1ed5ng th\u1ec3, c\u00f3 nhi\u1ec7m v\u1ee5 t\u1ea3n nhanh v\u00e0 an to\u00e0n d\u00f2ng \u0111i\u1ec7n s\u00e9t xu\u1ed1ng \u0111\u1ea5t, h\u1ea1n ch\u1ebf t\u1ed1i \u0111a nguy c\u01a1 g\u00e2y h\u01b0 h\u1ecfng thi\u1ebft b\u1ecb v\u00e0 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn con ng\u01b0\u1eddi. T\u00f9y thu\u1ed9c v\u00e0o \u0111i\u1ec1u ki\u1ec7n \u0111\u1ecba ch\u1ea5t, quy m\u00f4 c\u00f4ng tr\u00ecnh v\u00e0 y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt, vi\u1ec7c thi c\u00f4ng ti\u1ebfp \u0111\u1ecba c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c nhau.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Dong_coc_tiep_dia\"><\/span>\u0110\u00f3ng c\u1ecdc ti\u1ebfp \u0111\u1ecba<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u00e2y l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn nh\u1ea5t hi\u1ec7n nay. C\u00e1c c\u1ecdc ti\u1ebfp \u0111\u1ecba b\u1eb1ng th\u00e9p m\u1ea1 \u0111\u1ed3ng ho\u1eb7c \u0111\u1ed3ng nguy\u00ean ch\u1ea5t \u0111\u01b0\u1ee3c \u0111\u00f3ng tr\u1ef1c ti\u1ebfp xu\u1ed1ng \u0111\u1ea5t v\u1edbi chi\u1ec1u d\u00e0i th\u00f4ng d\u1ee5ng t\u1eeb 2,4m \u0111\u1ebfn 3m. Nhi\u1ec1u c\u1ecdc \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi nhau b\u1eb1ng c\u00e1p \u0111\u1ed3ng tr\u1ea7n ho\u1eb7c thanh \u0111\u1ed3ng \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ea1ng ti\u1ebfp \u0111\u1ecba c\u00f3 \u0111i\u1ec7n tr\u1edf th\u1ea5p v\u00e0 \u1ed5n \u0111\u1ecbnh l\u00e2u d\u00e0i.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Khoan_gieng_tiep_dia_sau\"><\/span>Khoan gi\u1ebfng ti\u1ebfp \u0111\u1ecba s\u00e2u<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u1ed1i v\u1edbi nh\u1eefng khu v\u1ef1c c\u00f3 \u0111i\u1ec7n tr\u1edf su\u1ea5t \u0111\u1ea5t cao ho\u1eb7c di\u1ec7n t\u00edch thi c\u00f4ng h\u1ea1n ch\u1ebf, gi\u1ea3i ph\u00e1p khoan gi\u1ebfng ti\u1ebfp \u0111\u1ecba s\u00e2u th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng. C\u00e1c \u0111i\u1ec7n c\u1ef1c ti\u1ebfp \u0111\u1ecba \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t \u1edf \u0111\u1ed9 s\u00e2u l\u1edbn nh\u1eb1m t\u1eadn d\u1ee5ng c\u00e1c l\u1edbp \u0111\u1ea5t c\u00f3 \u0111\u1ed9 \u1ea9m cao v\u00e0 kh\u1ea3 n\u0103ng d\u1eabn \u0111i\u1ec7n t\u1ed1t h\u01a1n, t\u1eeb \u0111\u00f3 gi\u00fap gi\u1ea3m \u0111i\u1ec7n tr\u1edf ti\u1ebfp \u0111\u1ecba v\u00e0 n\u00e2ng cao hi\u1ec7u qu\u1ea3 t\u1ea3n d\u00f2ng s\u00e9t.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Su_dung_hoa_chat_giam_dien_tro_dat\"><\/span>S\u1eed d\u1ee5ng h\u00f3a ch\u1ea5t gi\u1ea3m \u0111i\u1ec7n tr\u1edf \u0111\u1ea5t<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Trong tr\u01b0\u1eddng h\u1ee3p \u0111i\u1ec1u ki\u1ec7n \u0111\u1ea5t kh\u00f4ng thu\u1eadn l\u1ee3i, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i h\u00f3a ch\u1ea5t chuy\u00ean d\u1ee5ng nh\u01b0 GEM, RESLO ho\u1eb7c c\u00e1c h\u1ee3p ch\u1ea5t gi\u1ea3m \u0111i\u1ec7n tr\u1edf t\u01b0\u01a1ng \u0111\u01b0\u01a1ng. C\u00e1c v\u1eadt li\u1ec7u n\u00e0y \u0111\u01b0\u1ee3c \u0111\u1ed5 xung quanh \u0111i\u1ec7n c\u1ef1c ti\u1ebfp \u0111\u1ecba nh\u1eb1m t\u0103ng kh\u1ea3 n\u0103ng d\u1eabn \u0111i\u1ec7n c\u1ee7a m\u00f4i tr\u01b0\u1eddng \u0111\u1ea5t, duy tr\u00ec \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a h\u1ec7 th\u1ed1ng trong th\u1eddi gian d\u00e0i v\u00e0 gi\u1ea3m chi ph\u00ed m\u1edf r\u1ed9ng m\u1ea1ng ti\u1ebfp \u0111\u1ecba.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Thi_cong_luoi_tiep_dia\"><\/span>Thi c\u00f4ng l\u01b0\u1edbi ti\u1ebfp \u0111\u1ecba<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c c\u00f4ng tr\u00ecnh c\u00f4ng nghi\u1ec7p, trung t\u00e2m d\u1eef li\u1ec7u, nh\u00e0 m\u00e1y ho\u1eb7c c\u00e1c c\u00f4ng tr\u00ecnh c\u00f3 y\u00eau c\u1ea7u ch\u1ed1ng s\u00e9t cao, h\u1ec7 th\u1ed1ng l\u01b0\u1edbi ti\u1ebfp \u0111\u1ecba th\u01b0\u1eddng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf d\u01b0\u1edbi d\u1ea1ng m\u1ea1ng m\u1eaft l\u01b0\u1edbi li\u00ean k\u1ebft nhi\u1ec1u c\u1ecdc ti\u1ebfp \u0111\u1ecba v\u1edbi nhau. Gi\u1ea3i ph\u00e1p n\u00e0y gi\u00fap ph\u00e2n t\u00e1n d\u00f2ng s\u00e9t \u0111\u1ed3ng \u0111\u1ec1u, gi\u1ea3m \u0111i\u1ec7n \u00e1p b\u01b0\u1edbc v\u00e0 \u0111i\u1ec7n \u00e1p ti\u1ebfp x\u00fac, \u0111\u1ed3ng th\u1eddi n\u00e2ng cao \u0111\u1ed9 an to\u00e0n cho to\u00e0n b\u1ed9 c\u00f4ng tr\u00ecnh.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"7_Tieu_chuan_chong_set_ap_dung\"><\/span>7. Ti\u00eau chu\u1ea9n ch\u1ed1ng s\u00e9t \u00e1p d\u1ee5ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Vi\u1ec7c thi\u1ebft k\u1ebf v\u00e0 thi c\u00f4ng h\u1ec7 th\u1ed1ng ch\u1ed1ng s\u00e9t c\u1ea7n tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt nh\u1eb1m \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 b\u1ea3o v\u1ec7, t\u00ednh an to\u00e0n v\u00e0 kh\u1ea3 n\u0103ng nghi\u1ec7m thu c\u1ee7a c\u00f4ng tr\u00ecnh.<\/p>\n<p>M\u1ed9t s\u1ed1 ti\u00eau chu\u1ea9n ch\u1ed1ng s\u00e9t \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng ph\u1ed5 bi\u1ebfn hi\u1ec7n nay g\u1ed3m:<\/p>\n<ul>\n<li>NFC 17-102 c\u1ee7a Ph\u00e1p \u0111\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng kim thu s\u00e9t ph\u00e1t tia ti\u00ean \u0111\u1ea1o s\u1edbm (ESE).<\/li>\n<li>AS\/NZS 1768 c\u1ee7a \u00dac quy \u0111\u1ecbnh c\u00e1c y\u00eau c\u1ea7u v\u1ec1 \u0111\u00e1nh gi\u00e1 r\u1ee7i ro v\u00e0 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng ch\u1ed1ng s\u00e9t.<\/li>\n<li>TCVN 4756:1989 v\u1ec1 quy ph\u1ea1m n\u1ed1i \u0111\u1ea5t v\u00e0 n\u1ed1i kh\u00f4ng c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n.<\/li>\n<li>TCXD 46:1984 h\u01b0\u1edbng d\u1eabn ch\u1ed1ng s\u00e9t cho nh\u00e0 v\u00e0 c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng.<\/li>\n<li>ANSI\/IEEE 80 quy \u0111\u1ecbnh thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng n\u1ed1i \u0111\u1ea5t an to\u00e0n cho c\u00e1c c\u00f4ng tr\u00ecnh \u0111i\u1ec7n v\u00e0 tr\u1ea1m \u0111i\u1ec7n.<\/li>\n<\/ul>\n<p>Vi\u1ec7c tu\u00e2n th\u1ee7 \u0111\u1ea7y \u0111\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch quan tr\u1ecdng nh\u01b0 \u0111\u1ea3m b\u1ea3o an to\u00e0n cho con ng\u01b0\u1eddi v\u00e0 thi\u1ebft b\u1ecb, n\u00e2ng cao \u0111\u1ed9 tin c\u1eady c\u1ee7a h\u1ec7 th\u1ed1ng \u0111i\u1ec7n, gi\u1ea3m thi\u1ec3u r\u1ee7i ro trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh, \u0111\u1ed3ng th\u1eddi t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho c\u00f4ng t\u00e1c ki\u1ec3m \u0111\u1ecbnh, nghi\u1ec7m thu v\u00e0 \u0111\u01b0a c\u00f4ng tr\u00ecnh v\u00e0o s\u1eed d\u1ee5ng.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"8_Giai_phap_chong_set_lan_truyen_toan_dien_cho_cong_trinh\"><\/span>8. Gi\u1ea3i ph\u00e1p ch\u1ed1ng s\u00e9t lan truy\u1ec1n to\u00e0n di\u1ec7n cho c\u00f4ng tr\u00ecnh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec3 \u0111\u1ea1t hi\u1ec7u qu\u1ea3 b\u1ea3o v\u1ec7 t\u1ed1i \u01b0u, h\u1ec7 th\u1ed1ng ch\u1ed1ng s\u00e9t c\u1ea7n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf theo nguy\u00ean t\u1eafc b\u1ea3o v\u1ec7 nhi\u1ec1u l\u1edbp v\u00e0 nhi\u1ec1u c\u1ea5p, \u0111\u1ea3m b\u1ea3o ng\u0103n ch\u1eb7n nguy c\u01a1 t\u1eeb c\u1ea3 s\u00e9t \u0111\u00e1nh tr\u1ef1c ti\u1ebfp l\u1eabn s\u00e9t lan truy\u1ec1n.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Chong_set_truc_tiep\"><\/span>Ch\u1ed1ng s\u00e9t tr\u1ef1c ti\u1ebfp<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>L\u1edbp b\u1ea3o v\u1ec7 \u0111\u1ea7u ti\u00ean l\u00e0 h\u1ec7 th\u1ed1ng ch\u1ed1ng s\u00e9t tr\u1ef1c ti\u1ebfp bao g\u1ed3m kim thu s\u00e9t, d\u00e2y d\u1eabn tho\u00e1t s\u00e9t v\u00e0 h\u1ec7 th\u1ed1ng ti\u1ebfp \u0111\u1ecba. Hi\u1ec7n nay, nhi\u1ec1u c\u00f4ng tr\u00ecnh \u01b0u ti\u00ean s\u1eed d\u1ee5ng kim thu s\u00e9t ph\u00e1t tia ti\u00ean \u0111\u1ea1o s\u1edbm (ESE) nh\u1eb1m m\u1edf r\u1ed9ng ph\u1ea1m vi b\u1ea3o v\u1ec7 v\u00e0 n\u00e2ng cao hi\u1ec7u qu\u1ea3 thu s\u00e9t.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Chong_set_lan_truyen_cho_nguon_dien\"><\/span>Ch\u1ed1ng s\u00e9t lan truy\u1ec1n cho ngu\u1ed3n \u0111i\u1ec7n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>To\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng \u0111i\u1ec7n c\u1ea7n \u0111\u01b0\u1ee3c trang b\u1ecb thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t lan truy\u1ec1n nhi\u1ec1u c\u1ea5p. C\u00e1c SPD s\u01a1 c\u1ea5p \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t t\u1ea1i t\u1ee7 \u0111i\u1ec7n t\u1ed5ng \u0111\u1ec3 c\u1eaft c\u00e1c xung s\u00e9t c\u00f3 n\u0103ng l\u01b0\u1ee3ng l\u1edbn, trong khi SPD th\u1ee9 c\u1ea5p \u0111\u01b0\u1ee3c l\u1eafp t\u1ea1i c\u00e1c t\u1ee7 ph\u00e2n ph\u1ed1i ho\u1eb7c g\u1ea7n thi\u1ebft b\u1ecb s\u1eed d\u1ee5ng nh\u1eb1m gi\u1ea3m \u0111i\u1ec7n \u00e1p d\u01b0 xu\u1ed1ng m\u1ee9c an to\u00e0n.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Chong_set_cho_duong_tin_hieu\"><\/span>Ch\u1ed1ng s\u00e9t cho \u0111\u01b0\u1eddng t\u00edn hi\u1ec7u<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u00e1c h\u1ec7 th\u1ed1ng m\u1ea1ng LAN, vi\u1ec5n th\u00f4ng, camera gi\u00e1m s\u00e1t, \u0111i\u1ec1u khi\u1ec3n t\u1ef1 \u0111\u1ed9ng v\u00e0 truy\u1ec1n d\u1eef li\u1ec7u c\u1ea7n \u0111\u01b0\u1ee3c trang b\u1ecb thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t chuy\u00ean d\u1ee5ng tr\u00ean t\u1eebng tuy\u1ebfn t\u00edn hi\u1ec7u. \u0110\u00e2y l\u00e0 gi\u1ea3i ph\u00e1p quan tr\u1ecdng gi\u00fap b\u1ea3o v\u1ec7 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed nh\u1ea1y c\u1ea3m kh\u1ecfi c\u00e1c xung qu\u00e1 \u00e1p lan truy\u1ec1n.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"He_thong_tiep_dia_dat_chuan\"><\/span>H\u1ec7 th\u1ed1ng ti\u1ebfp \u0111\u1ecba \u0111\u1ea1t chu\u1ea9n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>T\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t ch\u1ec9 ph\u00e1t huy hi\u1ec7u qu\u1ea3 khi \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng ti\u1ebfp \u0111\u1ecba c\u00f3 \u0111i\u1ec7n tr\u1edf \u0111\u1ea1t y\u00eau c\u1ea7u thi\u1ebft k\u1ebf. Do \u0111\u00f3, h\u1ec7 th\u1ed1ng ti\u1ebfp \u0111\u1ecba lu\u00f4n l\u00e0 n\u1ec1n t\u1ea3ng quan tr\u1ecdng quy\u1ebft \u0111\u1ecbnh hi\u1ec7u qu\u1ea3 c\u1ee7a to\u00e0n b\u1ed9 gi\u1ea3i ph\u00e1p ch\u1ed1ng s\u00e9t.<\/p>\n<p>S\u1ef1 k\u1ebft h\u1ee3p \u0111\u1ed3ng b\u1ed9 gi\u1eefa ch\u1ed1ng s\u00e9t tr\u1ef1c ti\u1ebfp, ch\u1ed1ng s\u00e9t lan truy\u1ec1n ngu\u1ed3n \u0111i\u1ec7n, ch\u1ed1ng s\u00e9t t\u00edn hi\u1ec7u v\u00e0 h\u1ec7 th\u1ed1ng ti\u1ebfp \u0111\u1ecba \u0111\u1ea1t chu\u1ea9n t\u1ea1o th\u00e0nh m\u00f4 h\u00ecnh ch\u1ed1ng s\u00e9t \u0111a l\u1edbp \u2013 \u0111a c\u1ea5p, gi\u00fap b\u1ea3o v\u1ec7 to\u00e0n di\u1ec7n c\u00f4ng tr\u00ecnh tr\u01b0\u1edbc c\u00e1c t\u00e1c \u0111\u1ed9ng c\u1ee7a s\u00e9t.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"9_Loi_ich_khi_dau_tu_he_thong_chong_set_lan_truyen\"><\/span>9. L\u1ee3i \u00edch khi \u0111\u1ea7u t\u01b0 h\u1ec7 th\u1ed1ng ch\u1ed1ng s\u00e9t lan truy\u1ec1n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Trong b\u1ed1i c\u1ea3nh c\u00e1c c\u00f4ng tr\u00ecnh ng\u00e0y c\u00e0ng s\u1eed d\u1ee5ng nhi\u1ec1u thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed v\u00e0 h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n th\u00f4ng minh, vi\u1ec7c \u0111\u1ea7u t\u01b0 h\u1ec7 th\u1ed1ng ch\u1ed1ng s\u00e9t lan truy\u1ec1n kh\u00f4ng ch\u1ec9 l\u00e0 y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt m\u00e0 c\u00f2n l\u00e0 gi\u1ea3i ph\u00e1p b\u1ea3o v\u1ec7 t\u00e0i s\u1ea3n hi\u1ec7u qu\u1ea3 v\u1ec1 l\u00e2u d\u00e0i.<\/p>\n<p>M\u1ed9t h\u1ec7 th\u1ed1ng ch\u1ed1ng s\u00e9t \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u00fang ti\u00eau chu\u1ea9n mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch thi\u1ebft th\u1ef1c nh\u01b0:<\/p>\n<ul>\n<li>B\u1ea3o v\u1ec7 c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed, m\u00e1y ch\u1ee7, h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n v\u00e0 thi\u1ebft b\u1ecb c\u00f4ng ngh\u1ec7 c\u00f3 gi\u00e1 tr\u1ecb cao kh\u1ecfi c\u00e1c xung \u0111i\u1ec7n \u00e1p nguy hi\u1ec3m.<\/li>\n<li>Gi\u1ea3m thi\u1ec3u chi ph\u00ed s\u1eeda ch\u1eefa, thay th\u1ebf thi\u1ebft b\u1ecb v\u00e0 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 sau khi x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng s\u00e9t \u0111\u00e1nh ho\u1eb7c qu\u00e1 \u00e1p.<\/li>\n<li>\u0110\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng s\u1ea3n xu\u1ea5t, kinh doanh v\u00e0 v\u1eadn h\u00e0nh c\u00f4ng tr\u00ecnh \u0111\u01b0\u1ee3c li\u00ean t\u1ee5c, h\u1ea1n ch\u1ebf t\u1ed1i \u0111a th\u1eddi gian gi\u00e1n \u0111o\u1ea1n.<\/li>\n<li>Gia t\u0103ng tu\u1ed5i th\u1ecd cho h\u1ec7 th\u1ed1ng \u0111i\u1ec7n, thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed v\u00e0 h\u1ea1 t\u1ea7ng k\u1ef9 thu\u1eadt c\u1ee7a c\u00f4ng tr\u00ecnh.<\/li>\n<li>\u0110\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 b\u1ea3o hi\u1ec3m t\u00e0i s\u1ea3n, ti\u00eau chu\u1ea9n k\u1ef9 thu\u1eadt v\u00e0 quy \u0111\u1ecbnh an to\u00e0n \u0111i\u1ec7n hi\u1ec7n h\u00e0nh.<\/li>\n<li>N\u00e2ng cao m\u1ee9c \u0111\u1ed9 an to\u00e0n cho con ng\u01b0\u1eddi, t\u00e0i s\u1ea3n v\u00e0 d\u1eef li\u1ec7u quan tr\u1ecdng trong c\u00f4ng tr\u00ecnh.<\/li>\n<\/ul>\n<p>V\u1edbi chi ph\u00ed \u0111\u1ea7u t\u01b0 t\u01b0\u01a1ng \u0111\u1ed1i nh\u1ecf so v\u1edbi gi\u00e1 tr\u1ecb c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7, h\u1ec7 th\u1ed1ng ch\u1ed1ng s\u00e9t lan truy\u1ec1n \u0111\u01b0\u1ee3c xem l\u00e0 m\u1ed9t trong nh\u1eefng gi\u1ea3i ph\u00e1p mang l\u1ea1i hi\u1ec7u qu\u1ea3 kinh t\u1ebf v\u00e0 k\u1ef9 thu\u1eadt cao cho c\u00e1c c\u00f4ng tr\u00ecnh d\u00e2n d\u1ee5ng, th\u01b0\u01a1ng m\u1ea1i v\u00e0 c\u00f4ng nghi\u1ec7p hi\u1ec7n nay.<\/p>\n<hr data-start=\"5739\" data-end=\"5742\" \/>\n<h2 data-section-id=\"iol0s0\" data-start=\"5744\" data-end=\"5759\"><span class=\"ez-toc-section\" id=\"10_Ket_luan\"><\/span>10. K\u1ebft lu\u1eadn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p data-start=\"5761\" data-end=\"5948\">Trong th\u1eddi \u0111\u1ea1i c\u00f4ng ngh\u1ec7 s\u1ed1, khi m\u1ecdi ho\u1ea1t \u0111\u1ed9ng \u0111\u1ec1u ph\u1ee5 thu\u1ed9c v\u00e0o h\u1ec7 th\u1ed1ng \u0111i\u1ec7n v\u00e0 d\u1eef li\u1ec7u, th\u00ec vi\u1ec7c \u0111\u1ea7u t\u01b0 <strong data-start=\"5868\" data-end=\"5902\">gi\u1ea3i ph\u00e1p ch\u1ed1ng s\u00e9t lan truy\u1ec1n<\/strong> kh\u00f4ng c\u00f2n l\u00e0 l\u1ef1a ch\u1ecdn m\u00e0 l\u00e0 y\u00eau c\u1ea7u b\u1eaft bu\u1ed9c.<\/p>\n<p data-start=\"5950\" data-end=\"6023\">M\u1ed9t h\u1ec7 th\u1ed1ng ch\u1ed1ng s\u00e9t hi\u1ec7u qu\u1ea3 kh\u00f4ng ch\u1ec9 d\u1eebng l\u1ea1i \u1edf kim thu s\u00e9t, m\u00e0 c\u1ea7n:<\/p>\n<p data-start=\"6025\" data-end=\"6106\">\ud83d\udc49 K\u1ebft h\u1ee3p \u0111\u1ed3ng b\u1ed9 gi\u1eefa <strong data-start=\"6049\" data-end=\"6106\">ch\u1ed1ng s\u00e9t tr\u1ef1c ti\u1ebfp \u2013 ch\u1ed1ng s\u00e9t lan truy\u1ec1n \u2013 ti\u1ebfp \u0111\u1ecba<\/strong><\/p>\n<p data-start=\"6108\" data-end=\"6171\">N\u1ebfu \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u00e0 thi c\u00f4ng \u0111\u00fang ti\u00eau chu\u1ea9n, h\u1ec7 th\u1ed1ng n\u00e0y s\u1ebd:<\/p>\n<ul data-start=\"6173\" data-end=\"6254\">\n<li data-section-id=\"ieo8j8\" data-start=\"6173\" data-end=\"6204\">B\u1ea3o v\u1ec7 to\u00e0n di\u1ec7n c\u00f4ng tr\u00ecnh<\/li>\n<li data-section-id=\"1r7ks8a\" data-start=\"6205\" data-end=\"6226\">Gi\u1ea3m thi\u1ec3u r\u1ee7i ro<\/li>\n<li data-section-id=\"3oqtys\" data-start=\"6227\" data-end=\"6254\">\u0110\u1ea3m b\u1ea3o an to\u00e0n l\u00e2u d\u00e0i<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"TAI_FILE_MEM_VE_GIAI_PHAP_CHONG_SET_LAN_TRUYEN_BEN_DUOI\"><\/span><strong>T\u1ea2I FILE M\u1ec0M V\u1ec0 GI\u1ea2I PH\u00c1P CH\u1ed0NG S\u00c9T LAN TRUY\u1ec0N B\u00caN D\u01af\u1edaI:<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a title=\"GI\u1ea2I PH\u00c1P CH\u1ed0NG S\u00c9T LAN TRUY\u1ec0N\" href=\"https:\/\/trieuminh.com\/wp-content\/uploads\/2026\/03\/Giai-phap-chong-set-lan-truyen.doc\">GI\u1ea2I PH\u00c1P CH\u1ed0NG S\u00c9T LAN TRUY\u1ec0N<\/a><\/p>\n<h1 data-section-id=\"1ioo5z0\" data-start=\"7258\" data-end=\"7268\"><span class=\"ez-toc-section\" id=\"Lien_He\"><\/span>Li\u00ean H\u1ec7:<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>N\u1ebfu b\u1ea1n c\u00f3 nhu c\u1ea7u t\u00ecm ki\u1ebfm nh\u00e0 th\u1ea7u chuy\u00ean nghi\u1ec7p \u0111\u1ec3 t\u01b0 v\u1ea5n cho b\u1ea1n c\u00e1c gi\u1ea3i ph\u00e1p thi\u1ebft k\u1ebf, ch\u00e0o gi\u00e1 thi c\u00f4ng h\u1ec7 th\u1ed1ng MEP th\u00ec vui l\u00f2ng li\u00ean h\u1ec7 th\u00f4ng tin b\u00ean d\u01b0\u1edbi. Ch\u00fang t\u00f4i s\u1ebd nh\u1eadn th\u00f4ng tin v\u00e0 ph\u1ea3n h\u1ed3i trong th\u1eddi gian s\u1edbm nh\u1ea5t.<\/p>\n<p><strong>TRIEU MINH ENGINEERING COMPANY<\/strong><\/p>\n<p><strong>\u0110\u1ecaA CH\u1ec8: 109 NGUY\u1ec4N TH\u1eca NHUNG. P. HI\u1ec6P B\u00ccNH, TP. H\u1ed2 CH\u00cd MINH<\/strong><\/p>\n<p><strong>MAIL: TRIEUMINH@TRIEUMINH.COM<\/strong><\/p>\n<p><strong>\u0110I\u1ec6N THO\u1ea0I (ZALO): 0976.422.223<\/strong><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Xem_them\"><\/span>More<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a title=\"Main MEP contractor Trieu Minh\" href=\"https:\/\/trieuminh.com\/en\/tong-thau-co-dien-mep-design-build\/\">T\u1ed4NG TH\u1ea6U C\u01a0 \u0110I\u1ec6N<\/a><\/p>\n<p><a href=\"https:\/\/trieuminh.com\/en\/thi-cong-he-thong-dien-dien-nhe\/\">ELECTRICAL AND ELV SYSTEM INSTALLATION\u00a0<\/a><\/p>\n<p><a href=\"https:\/\/trieuminh.com\/en\/bien-phap-thi-cong-he-thong-chong-set-tiep-dia\/\">BI\u1ec6N PH\u00c1P THI C\u00d4NG H\u1ec6 TH\u1ed0NG CH\u1ed0NG S\u00c9T, TI\u1ebeP \u0110\u1ecaA<\/a><\/p>\n<p><a href=\"https:\/\/trieuminh.com\/en\/quy-trinh-thi-cong-he-thong-chong-set-tiep-dia\/\">QUY TR\u00ccNH THI C\u00d4NG H\u1ec6 TH\u1ed0NG CH\u1ed0NG S\u00c9T, TI\u1ebeP \u0110\u1ecaA CHO T\u00d2A NH\u00c0<\/a><\/p>\n<p><a href=\"https:\/\/trieuminh.com\/en\/thuyet-minh-he-thong-chong-set\/\">THUY\u1ebeT MINH H\u1ec6 TH\u1ed0NG CH\u1ed0NG S\u00c9T<\/a><\/p>\n<p><a href=\"https:\/\/trieuminh.com\/en\/so-sanh-kim-thu-set-co-dien-va-kim-thu-set-tien-dao\/\">SO S\u00c1NH KIM THU S\u00c9T C\u1ed4 \u0110I\u1ec2N V\u00c0 KIM THU S\u00c9T TI\u00caN \u0110\u1ea0O<\/a><\/p>\n<p><a href=\"https:\/\/trieuminh.com\/en\/5-so-do-noi-dat-theo-tieu-chuan-bs-7671\/\">5 S\u01a0 \u0110\u1ed2 N\u1ed0I \u0110\u1ea4T THEO TI\u00caU CHU\u1ea8N BS 7671<\/a><\/p>\n<p><a href=\"https:\/\/trieuminh.com\/en\/tinh-toan-thiet-ke-noi-dat-trong-he-thong-dien\/\">T\u00cdNH TO\u00c1N THI\u1ebeT K\u1ebe N\u1ed0I \u0110\u1ea4T TRONG H\u1ec6 TH\u1ed0NG \u0110I\u1ec6N<\/a><\/p>\n<p><a title=\"Fanpage Tri\u1ec1u Minh\" href=\"https:\/\/www.facebook.com\/profile.php?id=61586129903680\" target=\"_blank\" rel=\"noopener\">FANPAGE TRI\u1ec0U MINH<\/a><\/p>\n<div class=\"blog-share text-center\"><\/div>\n<\/p>","protected":false},"excerpt":{"rendered":"<p>GI\u1ea2I PH\u00c1P CH\u1ed0NG S\u00c9T LAN TRUY\u1ec0N 1. T\u1ed5ng quan v\u1ec1 ch\u1ed1ng s\u00e9t lan truy\u1ec1n Trong b\u1ed1i c\u1ea3nh c\u00e1c c\u00f4ng tr\u00ecnh ng\u00e0y c\u00e0ng s\u1eed d\u1ee5ng nhi\u1ec1u thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed, h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n t\u1ef1 \u0111\u1ed9ng v\u00e0 m\u1ea1ng d\u1eef li\u1ec7u, th\u00ec gi\u1ea3i ph\u00e1p ch\u1ed1ng s\u00e9t lan truy\u1ec1n \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t h\u1ea1ng m\u1ee5c c\u1ef1c k\u1ef3 quan<\/p>","protected":false},"author":1,"featured_media":933,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,18],"tags":[114,113,1277,1278,117,45,116,1060,988,1276,69,115],"class_list":["post-931","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tai-lieu","category-blog","tag-chong-set","tag-chong-set-lan-truyen","tag-chong-set-lan-truyen-duong-nguon","tag-chong-set-lan-truyen-duong-tin-hieu","tag-chong-set-lan-truyen-la-gi","tag-dien-nhe","tag-he-thong-dien","tag-noi-dat","tag-thi-cong-chong-set","tag-thi-cong-chong-set-lan-truyen","tag-thi-cong-co-dien","tag-tiep-dia"],"_links":{"self":[{"href":"https:\/\/trieuminh.com\/en\/wp-json\/wp\/v2\/posts\/931","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/trieuminh.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/trieuminh.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/trieuminh.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/trieuminh.com\/en\/wp-json\/wp\/v2\/comments?post=931"}],"version-history":[{"count":4,"href":"https:\/\/trieuminh.com\/en\/wp-json\/wp\/v2\/posts\/931\/revisions"}],"predecessor-version":[{"id":2325,"href":"https:\/\/trieuminh.com\/en\/wp-json\/wp\/v2\/posts\/931\/revisions\/2325"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/trieuminh.com\/en\/wp-json\/wp\/v2\/media\/933"}],"wp:attachment":[{"href":"https:\/\/trieuminh.com\/en\/wp-json\/wp\/v2\/media?parent=931"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/trieuminh.com\/en\/wp-json\/wp\/v2\/categories?post=931"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/trieuminh.com\/en\/wp-json\/wp\/v2\/tags?post=931"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}