{"id":2420,"date":"2026-08-19T06:45:00","date_gmt":"2026-08-19T06:45:00","guid":{"rendered":"https:\/\/lbajiele.com\/?p=2420"},"modified":"2026-08-17T00:38:23","modified_gmt":"2026-08-17T00:38:23","slug":"complete-guide-to-general-electrical-knowledge","status":"publish","type":"post","link":"https:\/\/lbajiele.com\/vi\/blog\/complete-guide-to-general-electrical-knowledge\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 ki\u1ebfn th\u1ee9c \u0111i\u1ec7n t\u1ed5ng qu\u00e1t"},"content":{"rendered":"<p><strong>\u0110i\u1ec7n \u00e1p cao<\/strong> cho ph\u00e9p truy\u1ec1n t\u1ea3i \u0111i\u1ec7n n\u0103ng \u0111i kho\u1ea3ng c\u00e1ch xa v\u1edbi d\u00f2ng \u0111i\u1ec7n th\u1ea5p h\u01a1n v\u00e0 t\u1ed5n th\u1ea5t tr\u00ean d\u00e2y d\u1eabn th\u1ea5p h\u01a1n, \u0111\u1ed3ng th\u1eddi c\u0169ng l\u00e0m t\u0103ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 c\u00e1ch \u0111i\u1ec7n, kho\u1ea3ng c\u00e1ch an to\u00e0n, b\u1ea3o v\u1ec7 v\u00e0 an to\u00e0n. H\u01b0\u1edbng d\u1eabn n\u00e0y gi\u1ea3i th\u00edch m\u1ee9c \u0111i\u1ec7n \u00e1p n\u00e0o \u0111\u01b0\u1ee3c coi l\u00e0 \u0111i\u1ec7n \u00e1p cao, s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa truy\u1ec1n t\u1ea3i xoay chi\u1ec1u (AC) v\u00e0 d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u cao \u00e1p (HVDC), nh\u1eefng thi\u1ebft b\u1ecb n\u00e0o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c tr\u1ea1m bi\u1ebfn \u00e1p, v\u00e0 nh\u1eefng d\u1eef li\u1ec7u k\u1ef9 thu\u1eadt n\u00e0o quan tr\u1ecdng khi \u0111\u1ecbnh r\u00f5 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt cho m\u1ed9t d\u1ef1 \u00e1n \u0111i\u1ec7n \u00e1p cao.<\/p>\n<h2>\u0110i\u1ec7n \u00e1p n\u00e0o \u0111\u01b0\u1ee3c coi l\u00e0 \u0111i\u1ec7n \u00e1p cao?<\/h2>\n<p>Kh\u00f4ng c\u00f3 m\u1ed9t ranh gi\u1edbi chung duy nh\u1ea5t. C\u00e1c \u0111\u1ecbnh ngh\u0129a kh\u00e1c nhau t\u00f9y theo quy \u0111\u1ecbnh an to\u00e0n, ti\u00eau chu\u1ea9n thi\u1ebft b\u1ecb v\u00e0 ng\u00e0nh c\u00f4ng nghi\u1ec7p. Thu\u1eadt ng\u1eef thi\u1ebft b\u1ecb c\u1ee7a IEC th\u01b0\u1eddng ph\u00e2n lo\u1ea1i \u0111i\u1ec7n \u00e1p trung th\u1ebf t\u1eeb tr\u00ean 1 kV \u0111\u1ebfn v\u00e0i ch\u1ee5c kilovolt, v\u1edbi cao th\u1ebf n\u1eb1m tr\u00ean d\u1ea3i \u0111\u00f3; c\u00e1c nh\u00e0 quy ho\u1ea1ch h\u1ec7 th\u1ed1ng \u0111i\u1ec7n c\u0169ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c d\u1ea3i cao th\u1ebf, si\u00eau cao th\u1ebf v\u00e0 c\u1ef1c cao th\u1ebf. C\u00e1c quy t\u1eafc an to\u00e0n lao \u0111\u1ed9ng c\u00f3 th\u1ec3 g\u1ecdi c\u00e1c m\u1ee9c \u0111i\u1ec7n \u00e1p th\u1ea5p h\u01a1n nhi\u1ec1u l\u00e0 \u201c\u0111i\u1ec7n \u00e1p cao\u201d nh\u1eb1m m\u1ee5c \u0111\u00edch ki\u1ec3m so\u00e1t c\u00f4ng vi\u1ec7c.<\/p>\n<p>Do \u0111\u00f3, m\u1ed9t th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt n\u00ean n\u00eau r\u00f5 \u0111i\u1ec7n \u00e1p danh \u0111\u1ecbnh v\u00e0 \u0111i\u1ec7n \u00e1p cao nh\u1ea5t \u0111\u1ed1i v\u1edbi thi\u1ebft b\u1ecb thay v\u00ec d\u1ef1a v\u00e0o c\u1ee5m t\u1eeb \u201ccao \u00e1p\u201d hay \"\u0111i\u1ec7n \u00e1p cao\". M\u1ed9t l\u01b0\u1edbi \u0111i\u1ec7n 35 kV, m\u1ed9t \u0111\u01b0\u1eddng d\u00e2y truy\u1ec1n t\u1ea3i 132 kV v\u00e0 m\u1ed9t \u0111\u01b0\u1eddng d\u00e2y truy\u1ec1n t\u1ea3i \u0111i\u1ec7n m\u1ed9t chi\u1ec1u \u0111i\u1ec7n \u00e1p cao (HVDC) \u00b1500 kV \u0111\u00f2i h\u1ecfi c\u00e1c thi\u1ebft b\u1ecb r\u1ea5t kh\u00e1c nhau.<\/p>\n<h2>T\u1ea1i sao l\u1ea1i truy\u1ec1n t\u1ea3i \u0111i\u1ec7n n\u0103ng \u1edf \u0111i\u1ec7n \u00e1p cao?<\/h2>\n<p>C\u00f4ng su\u1ea5t bi\u1ec3u ki\u1ebfn ba pha x\u1ea5p x\u1ec9 b\u1eb1ng $\\sqrt{3}$ \u00d7 \u0111i\u1ec7n \u00e1p \u00d7 d\u00f2ng \u0111i\u1ec7n. \u0110\u1ed1i v\u1edbi c\u00f9ng m\u1ed9t c\u00f4ng su\u1ea5t truy\u1ec1n t\u1ea3i, vi\u1ec7c t\u0103ng \u0111i\u1ec7n \u00e1p s\u1ebd l\u00e0m gi\u1ea3m d\u00f2ng \u0111i\u1ec7n. T\u1ed5n hao \u0111i\u1ec7n tr\u1edf c\u1ee7a d\u00e2y d\u1eabn b\u1eb1ng b\u00ecnh ph\u01b0\u01a1ng d\u00f2ng \u0111i\u1ec7n nh\u00e2n v\u1edbi \u0111i\u1ec7n tr\u1edf, do \u0111\u00f3 d\u00f2ng \u0111i\u1ec7n th\u1ea5p h\u01a1n s\u1ebd l\u00e0m gi\u1ea3m \u0111\u00e1ng k\u1ec3 t\u1ed5n hao v\u00e0 s\u1ee5t \u00e1p, \u0111\u1ed3ng th\u1eddi c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m ti\u1ebft di\u1ec7n d\u00e2y d\u1eabn y\u00eau c\u1ea7u.<\/p>\n<p>S\u1ef1 \u0111\u00e1nh \u0111\u1ed5i l\u00e0 chi ph\u00ed cao h\u01a1n cho v\u1eadt c\u00e1ch \u0111i\u1ec7n, c\u1ed9t \u0111i\u1ec7n, kho\u1ea3ng c\u00e1ch an to\u00e0n, s\u1ee9 xuy\u00ean, m\u00e1y bi\u1ebfn \u00e1p, thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft v\u00e0 thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t. Thi\u1ebft k\u1ebf l\u01b0\u1edbi \u0111i\u1ec7n c\u00e2n b\u1eb1ng gi\u1eefa kho\u1ea3ng c\u00e1ch truy\u1ec1n t\u1ea3i, m\u1ee9c c\u00f4ng su\u1ea5t, h\u00e0nh lang tuy\u1ebfn, t\u1ed5n th\u1ea5t, \u0111\u1ed9 tin c\u1eady v\u00e0 chi ph\u00ed v\u00f2ng \u0111\u1eddi.<\/p>\n<section class=\"lbaji-article-table\"><h2>B\u1ea3ng so s\u00e1nh v\u00e0 l\u1ef1a ch\u1ecdn nhanh<\/h2><p>S\u1eed d\u1ee5ng b\u1ea3ng n\u00e0y nh\u01b0 m\u1ed9t ph\u1ea7n t\u00f3m t\u1eaft nhanh v\u1ec1 c\u00e1c quy\u1ebft \u0111\u1ecbnh k\u1ef9 thu\u1eadt v\u00e0 mua s\u1eafm ch\u00ednh \u0111\u01b0\u1ee3c gi\u1ea3i th\u00edch trong b\u00e0i vi\u1ebft.<\/p><figure class=\"wp-block-table is-style-stripes\"><table><thead><tr><th scope=\"col\">Khu v\u1ef1c quy\u1ebft \u0111\u1ecbnh<\/th><th scope=\"col\">\u00dd ngh\u0129a th\u1ef1c ti\u1ec5n<\/th><th scope=\"col\">C\u1ea7n x\u00e1c minh nh\u1eefng g\u00ec<\/th><\/tr><\/thead><tbody><tr><td>\u0110i\u1ec7n \u00e1p n\u00e0o \u0111\u01b0\u1ee3c coi l\u00e0 \u0111i\u1ec7n \u00e1p cao?<\/td><td>Kh\u00f4ng c\u00f3 m\u1ed9t ranh gi\u1edbi ph\u1ed5 qu\u00e1t duy nh\u1ea5t.<\/td><td>C\u00e1c \u0111\u1ecbnh ngh\u0129a kh\u00e1c nhau t\u00f9y theo quy \u0111\u1ecbnh an to\u00e0n, ti\u00eau chu\u1ea9n thi\u1ebft b\u1ecb v\u00e0 ng\u00e0nh c\u00f4ng nghi\u1ec7p.<\/td><\/tr><tr><td>T\u1ea1i sao l\u1ea1i truy\u1ec1n t\u1ea3i \u0111i\u1ec7n n\u0103ng \u1edf \u0111i\u1ec7n \u00e1p cao?<\/td><td>C\u00f4ng su\u1ea5t bi\u1ec3u ki\u1ebfn ba pha x\u1ea5p x\u1ec9 b\u1eb1ng \u221a3 \u00d7 \u0111i\u1ec7n \u00e1p \u00d7 d\u00f2ng \u0111i\u1ec7n.<\/td><td>V\u1edbi c\u00f9ng c\u00f4ng su\u1ea5t truy\u1ec1n t\u1ea3i, vi\u1ec7c t\u0103ng \u0111i\u1ec7n \u00e1p s\u1ebd l\u00e0m gi\u1ea3m d\u00f2ng \u0111i\u1ec7n.<\/td><\/tr><tr><td>Truy\u1ec1n t\u1ea3i \u0111i\u1ec7n xoay chi\u1ec1u cao \u00e1p<\/td><td>H\u1ea7u h\u1ebft c\u00e1c l\u01b0\u1edbi \u0111i\u1ec7n li\u00ean k\u1ebft s\u1eed d\u1ee5ng d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u ba pha v\u00ec c\u00e1c m\u00e1y bi\u1ebfn \u00e1p c\u00f3 th\u1ec3 t\u0103ng gi\u1ea3m \u0111i\u1ec7n \u00e1p m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 gi\u1eefa c\u00e1c c\u1ea5p ph\u00e1t \u0111i\u1ec7n, truy\u1ec1n t\u1ea3i v\u00e0 ph\u00e2n ph\u1ed1i.<\/td><td>Nh\u00e0 m\u00e1y ph\u00e1t \u0111i\u1ec7n t\u0103ng \u0111i\u1ec7n \u00e1p \u0111\u1ec3 truy\u1ec1n t\u1ea3i; c\u00e1c tr\u1ea1m bi\u1ebfn \u00e1p nh\u1eadn \u0111i\u1ec7n gi\u1ea3m \u0111i\u1ec7n \u00e1p th\u00f4ng qua c\u00e1c giai \u0111o\u1ea1n truy\u1ec1n t\u1ea3i ph\u1ee5 v\u00e0 ph\u00e2n ph\u1ed1i.<\/td><\/tr><tr><td>Truy\u1ec1n t\u1ea3i \u0111i\u1ec7n \u00e1p m\u1ed9t chi\u1ec1u cao<\/td><td>HVDC truy\u1ec1n t\u1ea3i \u0111i\u1ec7n n\u0103ng d\u01b0\u1edbi d\u1ea1ng d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u gi\u1eefa c\u00e1c tr\u1ea1m chuy\u1ec3n \u0111\u1ed5i.<\/td><td>N\u00f3 c\u00f3 th\u1ec3 c\u00f3 l\u1ee3i cho c\u00e1c \u0111\u01b0\u1eddng d\u00e2y tr\u00ean kh\u00f4ng r\u1ea5t d\u00e0i, c\u00e1p ng\u1ea7m ho\u1eb7c c\u00e1p ng\u1ea7m d\u01b0\u1edbi bi\u1ec3n d\u00e0i, truy\u1ec1n t\u1ea3i kh\u1ed1i l\u01b0\u1ee3ng l\u1edbn \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t v\u00e0 li\u00ean k\u1ebft c\u00e1c h\u1ec7 th\u1ed1ng AC kh\u00f4ng \u0111\u1ed3ng b\u1ed9.<\/td><\/tr><tr><td>Thi\u1ebft b\u1ecb cao th\u1ebf thi\u1ebft y\u1ebfu<\/td><td>M\u00e1y bi\u1ebfn \u00e1p ng\u00e2m d\u1ea7u 35 kV c\u1ee7a LBAJI h\u1ed7 tr\u1ee3 c\u00e1c d\u1ef1 \u00e1n truy\u1ec1n t\u1ea3i ph\u1ee5 v\u00e0 ph\u00e2n ph\u1ed1i.<\/td><td>\u1ede c\u1ea5p \u0111\u1ed9 thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft, t\u1ee7 \u0111i\u1ec7n b\u1ecdc kim lo\u1ea1i KYN61-40.5 cung c\u1ea5p n\u1ec1n t\u1ea3ng c\u1ea5p 40,5 kV cho c\u00e1c h\u1ec7 th\u1ed1ng trong nh\u00e0.<\/td><\/tr><\/tbody><\/table><\/figure><\/section><h2>Truy\u1ec1n t\u1ea3i \u0111i\u1ec7n xoay chi\u1ec1u cao \u00e1p<\/h2>\n<p>H\u1ea7u h\u1ebft c\u00e1c l\u01b0\u1edbi \u0111i\u1ec7n li\u00ean k\u1ebft \u0111\u1ec1u s\u1eed d\u1ee5ng d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u ba pha v\u00ec c\u00e1c m\u00e1y bi\u1ebfn \u00e1p c\u00f3 th\u1ec3 thay \u0111\u1ed5i \u0111i\u1ec7n \u00e1p m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 gi\u1eefa c\u00e1c c\u1ea5p \u0111\u1ed9 ph\u00e1t \u0111i\u1ec7n, truy\u1ec1n t\u1ea3i v\u00e0 ph\u00e2n ph\u1ed1i. M\u1ed9t nh\u00e0 m\u00e1y ph\u00e1t \u0111i\u1ec7n t\u0103ng \u0111i\u1ec7n \u00e1p \u0111\u1ec3 truy\u1ec1n t\u1ea3i; c\u00e1c tr\u1ea1m bi\u1ebfn \u00e1p ti\u1ebfp nh\u1eadn s\u1ebd gi\u1ea3m \u0111i\u1ec7n \u00e1p n\u00e0y qua c\u00e1c giai \u0111o\u1ea1n truy\u1ec1n t\u1ea3i ph\u1ee5 v\u00e0 ph\u00e2n ph\u1ed1i.<\/p>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" alt=\"High-voltage alternating-current transmission towers and overhead conductors\" src=\"https:\/\/lbajiele.com\/wp-content\/uploads\/2026\/08\/high-voltage-ac-transmission-lines.png\"\/><figcaption>M\u1ea1ng \u0111i\u1ec7n xoay chi\u1ec1u s\u1eed d\u1ee5ng m\u00e1y bi\u1ebfn \u00e1p \u0111\u1ec3 t\u0103ng \u0111i\u1ec7n \u00e1p cho vi\u1ec7c truy\u1ec1n t\u1ea3i v\u00e0 gi\u1ea3m \u0111i\u1ec7n \u00e1p cho vi\u1ec7c ph\u00e2n ph\u1ed1i.<\/figcaption><\/figure>\n<p>Thi\u1ebft k\u1ebf \u0111\u01b0\u1eddng d\u00e2y tr\u00ean kh\u00f4ng t\u00ednh \u0111\u1ebfn \u0111\u1ecbnh m\u1ee9c nhi\u1ec7t c\u1ee7a d\u00e2y d\u1eabn, \u0111\u1ed9 v\u00f5ng, hi\u1ec7n t\u01b0\u1ee3ng v\u1ea7ng quang, \u0111i\u1ec7n tr\u01b0\u1eddng v\u00e0 t\u1eeb tr\u01b0\u1eddng, hi\u1ec7u su\u1ea5t ch\u1ed1ng s\u00e9t, ph\u1ed1i h\u1ee3p c\u00e1ch ly, t\u1ea3i tr\u1ecdng gi\u00f3 v\u00e0 b\u0103ng, h\u00ecnh h\u1ecdc c\u1ed9t \u0111i\u1ec7n v\u00e0 kho\u1ea3ng c\u00e1ch t\u0129nh kh\u00f4ng. C\u00e1p ng\u1ea7m tr\u00e1nh \u0111\u01b0\u1ee3c c\u1ed9t \u0111i\u1ec7n nh\u01b0ng c\u00f3 \u0111i\u1ec7n dung cao h\u01a1n, b\u1ecb gi\u1edbi h\u1ea1n v\u1ec1 nhi\u1ec7t v\u00e0 \u0111\u1ed9 ph\u1ee9c t\u1ea1p khi s\u1eeda ch\u1eefa.<\/p>\n<h2>Truy\u1ec1n t\u1ea3i \u0111i\u1ec7n \u00e1p m\u1ed9t chi\u1ec1u cao<\/h2>\n<p>HVDC truy\u1ec1n t\u1ea3i \u0111i\u1ec7n n\u0103ng d\u01b0\u1edbi d\u1ea1ng d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u gi\u1eefa c\u00e1c tr\u1ea1m chuy\u1ec3n \u0111\u1ed5i. C\u00f4ng ngh\u1ec7 n\u00e0y c\u00f3 th\u1ec3 mang l\u1ea1i l\u1ee3i \u00edch cho c\u00e1c tuy\u1ebfn \u0111\u01b0\u1eddng d\u00e2y tr\u00ean kh\u00f4ng r\u1ea5t d\u00e0i, c\u00e1p ng\u1ea7m d\u01b0\u1edbi bi\u1ec3n ho\u1eb7c d\u01b0\u1edbi \u0111\u1ea5t d\u00e0i, truy\u1ec1n t\u1ea3i c\u00f4ng su\u1ea5t l\u1edbn c\u00f3 \u0111i\u1ec1u khi\u1ec3n v\u00e0 li\u00ean k\u1ebft c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec7n xoay chi\u1ec1u kh\u00f4ng \u0111\u1ed3ng b\u1ed9. T\u1ed5n th\u1ea5t v\u00e0 chi ph\u00ed t\u1ea1i tr\u1ea1m chuy\u1ec3n \u0111\u1ed5i \u0111\u1ed3ng ngh\u0129a v\u1edbi vi\u1ec7c ph\u01b0\u01a1ng ph\u00e1p n\u00e0y kh\u00f4ng m\u1eb7c nhi\u00ean l\u00e0 t\u1ed1t h\u01a1n cho m\u1ecdi d\u1ef1 \u00e1n.<\/p>\n<p>H\u1ec7 th\u1ed1ng b\u1ed9 bi\u1ebfn \u0111\u1ed5i chuy\u1ec3n m\u1ea1ch b\u1eb1ng d\u00f2ng \u0111i\u1ec7n \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp cho vi\u1ec7c truy\u1ec1n t\u1ea3i c\u00f4ng su\u1ea5t l\u1edbn r\u1ea5t cao v\u00e0 \u0111\u00f2i h\u1ecfi c\u00e1c h\u1ec7 th\u1ed1ng AC m\u1ea1nh m\u1ebd c\u0169ng nh\u01b0 h\u1ed7 tr\u1ee3 c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng. C\u00e1c b\u1ed9 bi\u1ebfn \u0111\u1ed5i ngu\u1ed3n \u00e1p cung c\u1ea5p kh\u1ea3 n\u0103ng \u0111i\u1ec1u khi\u1ec3n linh ho\u1ea1t v\u00e0 c\u00f3 th\u1ec3 ph\u1ee5c v\u1ee5 c\u00e1c l\u01b0\u1edbi \u0111i\u1ec7n y\u1ebfu h\u01a1n c\u0169ng nh\u01b0 c\u00e1c k\u1ebft n\u1ed1i ngo\u00e0i kh\u01a1i, nh\u01b0ng t\u00ednh kinh t\u1ebf c\u1ee7a d\u1ef1 \u00e1n v\u00e0 c\u00e1c th\u00f4ng s\u1ed1 \u0111\u1ecbnh m\u1ee9c s\u1ebd quy\u1ebft \u0111\u1ecbnh s\u1ef1 l\u1ef1a ch\u1ecdn.<\/p>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" alt=\"High-voltage direct-current converter station connected to transmission infrastructure\" src=\"https:\/\/lbajiele.com\/wp-content\/uploads\/2026\/08\/hvdc-converter-station.png\"\/><figcaption>HVDC s\u1eed d\u1ee5ng c\u00e1c tr\u1ea1m chuy\u1ec3n \u0111\u1ed5i \u1edf m\u1ed7i \u0111\u1ea7u v\u00e0 c\u00f3 th\u1ec3 h\u1ea5p d\u1eabn \u0111\u1ed1i v\u1edbi c\u00e1c \u0111\u01b0\u1eddng li\u00ean k\u1ebft d\u00e0i ho\u1eb7c kh\u00f4ng \u0111\u1ed3ng b\u1ed9.<\/figcaption><\/figure>\n<h2>Thi\u1ebft b\u1ecb cao th\u1ebf thi\u1ebft y\u1ebfu<\/h2>\n<ul>\n<li><strong>M\u00e1y bi\u1ebfn \u00e1p l\u1ef1c:<\/strong> thay \u0111\u1ed5i \u0111i\u1ec7n \u00e1p v\u00e0 cung c\u1ea5p k\u1ebft n\u1ed1i h\u1ec7 th\u1ed1ng c\u00f9ng c\u00e1ch ly.<\/li>\n<li><strong>C\u1ea7u dao \u0111i\u1ec7n:<\/strong> c\u1eaft d\u00f2ng t\u1ea3i v\u00e0 d\u00f2ng s\u1ef1 c\u1ed1 \u1edf \u0111i\u1ec7n \u00e1p \u0111\u1ecbnh m\u1ee9c.<\/li>\n<li><strong>Dao c\u00e1ch ly v\u00e0 dao ti\u1ebfp \u0111\u1ecba:<\/strong> Cung c\u1ea5p c\u00e1ch ly v\u00e0 n\u1ed1i \u0111\u1ea5t h\u1eefu h\u00ecnh sau khi ng\u1eaft d\u00f2ng \u0111i\u1ec7n.<\/li>\n<li><strong>M\u00e1y bi\u1ebfn d\u00f2ng v\u00e0 m\u00e1y bi\u1ebfn \u00e1p \u0111i\u1ec7n \u00e1p:<\/strong> quy \u0111\u1ed5i c\u00e1c \u0111\u1ea1i l\u01b0\u1ee3ng s\u01a1 c\u1ea5p cho c\u00f4ng b\u1ed9 \u0111i\u1ec7n v\u00e0 r\u01a1-le.<\/li>\n<li><strong>Thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t:<\/strong> h\u1ea1n ch\u1ebf qu\u00e1 \u0111i\u1ec7n \u00e1p do s\u00e9t \u0111\u00e1nh v\u00e0 qu\u00e1 \u0111i\u1ec7n \u00e1p \u0111\u00f3ng c\u1eaft.<\/li>\n<li><strong>Thanh c\u00e1i v\u00e0 d\u00e2y d\u1eabn:<\/strong> c\u00e1c khoang li\u00ean k\u1ebft v\u00e0 mang d\u00f2ng \u0111i\u1ec7n li\u00ean t\u1ee5c v\u00e0 d\u00f2ng \u0111i\u1ec7n s\u1ef1 c\u1ed1.<\/li>\n<li><strong>B\u1ea3o v\u1ec7 v\u00e0 \u0111i\u1ec1u khi\u1ec3n:<\/strong> ph\u00e1t hi\u1ec7n s\u1ef1 c\u1ed1, ng\u1eaft c\u00e1c c\u1ea7u dao ph\u00f9 h\u1ee3p v\u00e0 truy\u1ec1n \u0111\u1ea1t tr\u1ea1ng th\u00e1i h\u1ec7 th\u1ed1ng.<\/li>\n<\/ul>\n<p>C\u1ee7a LBAJI <a href=\"https:\/\/lbajiele.com\/vi\/san-pham\/35kv-oil-immersed-power-transformer\/\">M\u00e1y bi\u1ebfn \u00e1p ng\u00e2m d\u1ea7u 35 kV<\/a> h\u1ed7 tr\u1ee3 c\u00e1c d\u1ef1 \u00e1n truy\u1ec1n t\u1ea3i \u0111i\u1ec7n \u00e1p ph\u1ee5 v\u00e0 ph\u00e2n ph\u1ed1i. \u1ede c\u1ea5p \u0111\u1ed9 thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft, <a href=\"https:\/\/lbajiele.com\/vi\/san-pham\/kyn61-40-5-armouring-removable-ac-metal-enclosed-switchgear\/\">T\u1ee7 \u0111i\u1ec7n b\u1ecdc kim lo\u1ea1i KYN61-40.5<\/a> cung c\u1ea5p n\u1ec1n t\u1ea3ng c\u1ea5p \u0111i\u1ec7n \u00e1p 40,5 kV cho c\u00e1c h\u1ec7 th\u1ed1ng trong nh\u00e0.<\/p>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" alt=\"Power transformer, circuit breakers and insulated equipment inside a fenced substation\" src=\"https:\/\/lbajiele.com\/wp-content\/uploads\/2026\/08\/high-voltage-substation-equipment.png\"\/><figcaption>Tr\u1ea1m bi\u1ebfn \u00e1p k\u1ebft h\u1ee3p vi\u1ec7c bi\u1ebfn \u0111\u1ed5i, \u0111\u00f3ng c\u1eaft, \u0111o l\u01b0\u1eddng, b\u1ea3o v\u1ec7 v\u00e0 ki\u1ec3m so\u00e1t qu\u00e1 \u0111i\u1ec7n \u00e1p.<\/figcaption><\/figure>\n<h2>Ph\u1ed1i h\u1ee3p c\u00e1ch \u0111i\u1ec7n<\/h2>\n<p>Ph\u1ed1i h\u1ee3p c\u00e1ch \u0111i\u1ec7n t\u01b0\u01a1ng th\u00edch m\u1ee9c ch\u1ecbu \u0111\u1ef1ng c\u1ee7a thi\u1ebft b\u1ecb v\u1edbi c\u00e1c qu\u00e1 \u0111i\u1ec7n \u00e1p t\u1ea7n s\u1ed1 ngu\u1ed3n, qu\u00e1 \u0111i\u1ec7n \u00e1p do s\u00e9t v\u00e0 \u0111\u00f3ng c\u1eaft d\u1ef1 ki\u1ebfn. C\u00e1c k\u1ef9 s\u01b0 l\u1ef1a ch\u1ecdn kho\u1ea3ng c\u00e1ch \u0111\u00e1nh th\u1ee7ng, kho\u1ea3ng c\u00e1ch r\u00f2 b\u1ec1 m\u1eb7t, s\u1ee9 xuy\u00ean, thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t van v\u00e0 khi\u00ean che d\u1ef1a tr\u00ean \u0111i\u1ec7n \u00e1p h\u1ec7 th\u1ed1ng, n\u1ed1i \u0111\u1ea5t, \u0111\u1ed9 cao, \u00f4 nhi\u1ec5m v\u00e0 c\u00e1c nghi\u00ean c\u1ee9u v\u1ec1 qu\u00e1 \u0111i\u1ec7n \u00e1p. \u0110\u1ecbnh m\u1ee9c xung k\u00edch c\u1ee7a thi\u1ebft b\u1ecb kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c ch\u1ecdn m\u1ed9t c\u00e1ch \u0111\u1ed9c l\u1eadp v\u1edbi m\u1ee9c b\u1ea3o v\u1ec7 c\u1ee7a thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t van v\u00e0 b\u1ed1 tr\u00ed v\u1eadt l\u00fd.<\/p>\n<p>M\u1eadt \u0111\u1ed9 kh\u00f4ng kh\u00ed gi\u1ea3m theo \u0111\u1ed9 cao v\u00e0 c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng c\u00e1ch \u0111i\u1ec7n b\u00ean ngo\u00e0i c\u0169ng nh\u01b0 kh\u1ea3 n\u0103ng l\u00e0m m\u00e1t. Mu\u1ed1i bi\u1ec3n, \u00f4 nhi\u1ec5m c\u00f4ng nghi\u1ec7p, b\u1ee5i v\u00e0 hi\u1ec7n t\u01b0\u1ee3ng ng\u01b0ng t\u1ee5 l\u00e0m t\u0103ng nguy c\u01a1 r\u00f2 r\u1ec9 b\u1ec1 m\u1eb7t. Do \u0111\u00f3, d\u1eef li\u1ec7u m\u00f4i tr\u01b0\u1eddng c\u1ee7a d\u1ef1 \u00e1n ph\u1ea3i \u0111i k\u00e8m v\u1edbi c\u00e1c th\u00f4ng s\u1ed1 \u0111\u1ecbnh m\u1ee9c v\u1ec1 \u0111i\u1ec7n \u00e1p v\u00e0 d\u00f2ng \u0111i\u1ec7n.<\/p>\n<h2>S\u01a1 \u0111\u1ed3 tr\u1ea1m bi\u1ebfn \u00e1p cao th\u1ebf<\/h2>\n<p>Tr\u1ea1m bi\u1ebfn \u00e1p c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 thanh g\u00f3p \u0111\u01a1n, thanh g\u00f3p ph\u00e2n \u0111o\u1ea1n, thanh g\u00f3p k\u00e9p, thanh g\u00f3p v\u00f2ng ho\u1eb7c s\u01a1 \u0111\u1ed3 m\u1ed9t r\u01b0\u1ee1i m\u00e1y c\u1eaft. C\u00e1c s\u01a1 \u0111\u1ed3 ph\u1ee9c t\u1ea1p h\u01a1n c\u1ea3i thi\u1ec7n t\u00ednh linh ho\u1ea1t trong v\u1eadn h\u00e0nh v\u00e0 kh\u1ea3 n\u0103ng c\u00f4 l\u1eadp s\u1ef1 c\u1ed1 nh\u01b0ng \u0111\u00f2i h\u1ecfi nhi\u1ec1u thi\u1ebft b\u1ecb v\u00e0 logic b\u1ea3o v\u1ec7 h\u01a1n. Tr\u1ea1m bi\u1ebfn \u00e1p c\u00e1ch \u0111i\u1ec7n b\u1eb1ng kh\u00f4ng kh\u00ed c\u1ea7n nhi\u1ec1u di\u1ec7n t\u00edch \u0111\u1ea5t h\u01a1n; tr\u1ea1m bi\u1ebfn \u00e1p c\u00e1ch \u0111i\u1ec7n b\u1eb1ng kh\u00ed gi\u00fap gi\u1ea3m di\u1ec7n t\u00edch chi\u1ebfm \u0111\u1ea5t v\u00e0 t\u00e1c \u0111\u1ed9ng m\u00f4i tr\u01b0\u1eddng nh\u01b0ng s\u1eed d\u1ee5ng c\u00e1c m\u00f4-\u0111un k\u00edn v\u00e0 quy tr\u00ecnh d\u1ecbch v\u1ee5 chuy\u00eanspecial.<\/p>\n<p>\u1ede c\u1ea5p \u0111\u1ed9 ph\u00e2n ph\u1ed1i, m\u1ed9t <a href=\"https:\/\/lbajiele.com\/vi\/san-pham\/35kv-new-energy-box-type-chinese-type-substation\/\">Tr\u1ea1m bi\u1ebfn \u00e1p ki\u1ec3u h\u1ed9p n\u0103ng l\u01b0\u1ee3ng m\u1edbi 35 kV<\/a> t\u00edch h\u1ee3p tr\u1ea1m bi\u1ebfn \u00e1p v\u00e0 thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft cho c\u00e1c d\u1ef1 \u00e1n n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o. <a href=\"https:\/\/lbajiele.com\/vi\/san-pham\/ybm-12-high-and-low-voltage-preinstalled-substation\/\">Tr\u1ea1m bi\u1ebfn \u00e1p l\u1eafp gh\u00e9p s\u1eb5n YBM-12<\/a> cung c\u1ea5p m\u1ed9t gi\u1ea3i ph\u00e1p nh\u1ecf g\u1ecdn cho ph\u00e2n ph\u1ed1i c\u1ea5p \u0111i\u1ec7n \u00e1p 12 kV.<\/p>\n<h2>B\u1ea3o v\u1ec7 c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec7n cao \u00e1p<\/h2>\n<p>H\u1ec7 th\u1ed1ng b\u1ea3o v\u1ec7 ph\u1ea3i lo\u1ea1i b\u1ecf c\u00e1c s\u1ef1 c\u1ed1 m\u1ed9t c\u00e1ch nhanh ch\u00f3ng v\u00e0 c\u00f3 ch\u1ecdn l\u1ecdc, \u0111\u1ed3ng th\u1eddi v\u1eabn duy tr\u00ec t\u00ednh an to\u00e0n trong \u0111i\u1ec1u ki\u1ec7n mang t\u1ea3i, d\u00f2ng \u0111i\u1ec7n kh\u1edfi c\u00f4ng, dao \u0111\u1ed9ng c\u00f4ng su\u1ea5t v\u00e0 s\u1ef1 c\u1ed1 ngo\u00e0i v\u00f9ng. C\u00e1c s\u01a1 \u0111\u1ed3 ti\u00eau bi\u1ec3u bao g\u1ed3m b\u1ea3o v\u1ec7 kho\u1ea3ng c\u00e1ch ho\u1eb7c b\u1ea3o v\u1ec7 so l\u1ec7ch \u0111\u01b0\u1eddng d\u00e2y, b\u1ea3o v\u1ec7 so l\u1ec7ch m\u00e1y bi\u1ebfn \u00e1p v\u00e0 b\u1ea3o v\u1ec7 ch\u1ea1m \u0111\u1ea5t h\u1ea1n ch\u1ebf, b\u1ea3o v\u1ec7 so l\u1ec7ch thanh c\u00e1i, b\u1ea3o v\u1ec7 ch\u1ed1ng h\u1ecfng m\u00e1y c\u1eaft v\u00e0 b\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng d\u1ef1 ph\u00f2ng. R\u01a1-le d\u1ef1 ph\u00f2ng, ngu\u1ed3n \u0111i\u1ec7n m\u1ed9t chi\u1ec1u v\u00e0 cu\u1ed9n d\u00e2y c\u1eaft c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi c\u00e1c t\u00e0i s\u1ea3n truy\u1ec1n t\u1ea3i quan tr\u1ecdng.<\/p>\n<p>Th\u1eddi gian lo\u1ea1i b\u1ecf s\u1ef1 c\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u1ee9c \u0111\u1ed9 h\u01b0 h\u1ecfng thi\u1ebft b\u1ecb, \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u00e0 n\u0103ng l\u01b0\u1ee3ng h\u1ed3 quang. C\u00e1c c\u00e0i \u0111\u1eb7t ph\u1ea3i \u0111\u01b0\u1ee3c r\u00fat ra t\u1eeb c\u00e1c nghi\u00ean c\u1ee9u v\u1ec1 ng\u1eafn m\u1ea1ch v\u00e0 ph\u1ed1i h\u1ee3p, \u0111\u1ed3ng th\u1eddi \u0111\u01b0\u1ee3c x\u00e1c minh th\u00f4ng qua c\u00e1c th\u1eed nghi\u1ec7m ch\u1ea1y th\u1eed bao g\u1ed3m to\u00e0n b\u1ed9 chu\u1ed7i t\u1eeb m\u00e1y bi\u1ebfn d\u00f2ng \u0111\u1ebfn r\u01a1-le v\u00e0 m\u00e1y c\u1eaft.<\/p>\n<h2>S\u1ed1ng ho\u1eb7c X\u00e2y d\u1ef1ng G\u1ea7n \u0110\u01b0\u1eddng d\u00e2y Cao th\u1ebf<\/h2>\n<p>C\u00e1c kho\u1ea3ng l\u00f9i cho ph\u00e9p, chi\u1ec1u cao c\u00f4ng tr\u00ecnh, kho\u1ea3ng v\u01b0\u1ee3t \u0111\u01b0\u1eddng v\u00e0 kho\u1ea3ng c\u00e1ch an to\u00e0n thi c\u00f4ng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t b\u1edfi c\u00e1c c\u01a1 quan v\u00e0 c\u00f4ng \u00edch \u0111\u1ecba ph\u01b0\u01a1ng. B\u1ea3n \u0111\u1ed3 c\u00f4ng c\u1ed9ng l\u00e0 kh\u00f4ng \u0111\u1ee7 \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh quy\u1ec1n s\u1eed d\u1ee5ng \u0111\u1ea5t h\u1ee3p ph\u00e1p ho\u1eb7c kho\u1ea3ng c\u00e1ch thi c\u00f4ng an to\u00e0n. C\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n n\u00ean l\u1ea5y d\u1eef li\u1ec7u tuy\u1ebfn \u0111\u00e3 kh\u1ea3o s\u00e1t v\u00e0 c\u00e1c y\u00eau c\u1ea7u b\u1eb1ng v\u0103n b\u1ea3n t\u1eeb ch\u1ee7 s\u1edf h\u1eefu tuy\u1ebfn tr\u01b0\u1edbc khi thi\u1ebft k\u1ebf ho\u1eb7c \u0111\u00e0o \u0111\u1ea5t.<\/p>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c c\u00e2u h\u1ecfi v\u1ec1 ph\u01a1i nhi\u1ec5m c\u00f4ng c\u1ed9ng, h\u00e3y s\u1eed d\u1ee5ng h\u01b0\u1edbng d\u1eabn t\u1eeb c\u00e1c c\u01a1 quan y t\u1ebf v\u00e0 qu\u1ea3n l\u00fd c\u00f3 th\u1ea9m quy\u1ec1n. Kh\u00f4ng bao gi\u1edd \u0111\u01b0\u1ee3c b\u01b0\u1edbc v\u00e0o h\u00e0nh lang quy\u1ec1n s\u1eed d\u1ee5ng \u0111\u1ea5t \u0111\u01b0\u1eddng d\u00e2y truy\u1ec1n t\u1ea3i ho\u1eb7c \u0111\u1ebfn g\u1ea7n c\u00e1c d\u00e2y d\u1eabn \u0111\u1ec3 \u0111o \u0111\u1ea1c khi ch\u01b0a c\u00f3 s\u1ef1 cho ph\u00e9p.<\/p>\n<h2>Danh m\u1ee5c ki\u1ec3m tra th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt d\u1ef1 \u00e1n \u0111i\u1ec7n cao th\u1ebf<\/h2>\n<ol>\n<li>\u0110i\u1ec7n \u00e1p \u0111\u1ecbnh m\u1ee9c, \u0111i\u1ec7n \u00e1p cao nh\u1ea5t c\u1ee7a thi\u1ebft b\u1ecb v\u00e0 t\u1ea7n s\u1ed1.<\/li>\n<li>\u0110\u1ed9 b\u00e1m h\u1ec7 th\u1ed1ng v\u00e0 x\u1eed l\u00fd trung l\u1eadp.<\/li>\n<li>D\u00f2ng \u0111i\u1ec7n li\u00ean t\u1ee5c, d\u00f2ng c\u00f4ng su\u1ea5t v\u00e0 s\u1ef1 m\u1edf r\u1ed9ng trong t\u01b0\u01a1ng lai.<\/li>\n<li>D\u00f2ng s\u1ef1 c\u1ed1 l\u1edbn nh\u1ea5t, nh\u1ecf nh\u1ea5t v\u00e0 th\u1eddi gian c\u1eaft.<\/li>\n<li>M\u1ee9c c\u00e1ch \u0111i\u1ec7n t\u1ea7n s\u1ed1 ngu\u1ed3n v\u00e0 xung \u0111i\u1ec7n.<\/li>\n<li>S\u01a1 \u0111\u1ed3 m\u1ed9t s\u1ee3i, b\u1ed1 tr\u00ed thanh c\u00e1i v\u00e0 nguy\u00ean l\u00fd v\u1eadn h\u00e0nh.<\/li>\n<li>Y\u00eau c\u1ea7u v\u1ec1 b\u1ea3o v\u1ec7, \u0111i\u1ec1u khi\u1ec3n, \u0111o l\u01b0\u1eddng v\u00e0 truy\u1ec1n th\u00f4ng.<\/li>\n<li>\u0110\u1ed9 cao, nhi\u1ec7t \u0111\u1ed9, \u00f4 nhi\u1ec5m, \u0111i\u1ec1u ki\u1ec7n \u0111\u1ecba ch\u1ea5n v\u00e0 \u0103n m\u00f2n.<\/li>\n<li>C\u00e1c ti\u00eau chu\u1ea9n \u00e1p d\u1ee5ng, th\u1eed nghi\u1ec7m \u0111i\u1ec3n h\u00ecnh, th\u1eed nghi\u1ec7m t\u1ea1i nh\u00e0 m\u00e1y v\u00e0 th\u1eed nghi\u1ec7m t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng.<\/li>\n<\/ol>\n<div id=\"rank-math-faq\" class=\"rank-math-block\">\n<div class=\"rank-math-list\">\n<\/div>\n<\/div>\n<!-- lbaji-dataforseo-gaps:start -->\n<section class=\"lbaji-serp-gap\"><h2>Ph\u00e2n lo\u1ea1i \u0111i\u1ec7n \u00e1p cao ph\u1ee5 thu\u1ed9c v\u00e0o ti\u00eau chu\u1ea9n<\/h2><p>Ranh gi\u1edbi gi\u1eefa \u0111i\u1ec7n \u00e1p th\u1ea5p, trung b\u00ecnh v\u00e0 cao kh\u00f4ng ph\u1ea3i l\u00e0 ph\u1ed5 qu\u00e1t. C\u00e1c c\u1ea5p thi\u1ebft b\u1ecb c\u1ee7a IEC, th\u1ef1c ti\u1ec5n c\u1ee7a IEEE, thu\u1eadt ng\u1eef ng\u00e0nh \u0111i\u1ec7n v\u00e0 quy\u0642\u0629 t\u1eafc n\u01a1i l\u00e0m vi\u1ec7c c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c ng\u01b0\u1ee1ng kh\u00e1c nhau danh \u0111\u1ecbnh v\u00e0 t\u1ed1i \u0111a c\u1ee7a h\u1ec7 th\u1ed1ng, c\u1ea5p c\u00e1ch \u0111i\u1ec7n, t\u1ea7n s\u1ed1 v\u00e0 ph\u01b0\u01a1ng ph\u00e1p n\u1ed1i \u0111\u1ea5t thay v\u00ec ch\u1ec9 d\u1ef1a v\u00e0o c\u00e1c t\u1eeb \u201ccao \u00e1p\u201d \u0111\u01a1n thu\u1ea7n.<\/p><\/section>\n<section class=\"lbaji-serp-gap\"><h2>Ph\u1ed1i h\u1ee3p c\u00e1ch \u0111i\u1ec7n v\u00e0 an to\u00e0n \u0111i\u1ec7n \u00e1p cao<\/h2><p>Kho\u1ea3ng c\u00e1ch pha-pha v\u00e0 pha-\u0111\u1ea5t, chi\u1ec1u d\u00e0i \u0111\u01b0\u1eddng r\u00f2, kh\u1ea3 n\u0103ng ch\u1ecbu \u0111i\u1ec7n \u00e1p xung v\u00e0 b\u1ea3o v\u1ec7 b\u1eb1ng thi\u1ebft b\u1ecb ch\u1ed1ng s\u00e9t ph\u1ea3i \u0111\u01b0\u1ee3c ph\u1ed1i h\u1ee3p v\u1edbi \u0111\u1ed9 cao, m\u1ee9c \u0111\u1ed9 \u00f4 nhi\u1ec5m v\u00e0 ch\u1ebf \u0111\u1ed9 \u0111\u00f3ng c\u1eaft. An to\u00e0n lao \u0111\u1ed9ng c\u0169ng \u0111\u00f2i h\u1ecfi ph\u1ea3i c\u00e1ch ly \u0111\u01b0\u1ee3c ki\u1ec3m ch\u1ee9ng, ph\u00f3ng \u0111i\u1ec7n, n\u1ed1i \u0111\u1ea5t, gi\u1edbi h\u1ea1n kho\u1ea3ng c\u00e1ch ti\u1ebfp c\u1eadn v\u00e0 ki\u1ec3m so\u00e1t quy\u1ec1n ra v\u00e0o. M\u1ed9t m\u1ea1ch \u0111i\u1ec7n \u0111\u00e3 \u0111\u01b0\u1ee3c ng\u1eaft ch\u01b0a \u0111\u01b0\u1ee3c coi l\u00e0 an to\u00e0n cho \u0111\u1ebfn khi th\u1eed nghi\u1ec7m kh\u00f4ng c\u00f3 \u0111i\u1ec7n v\u00e0 n\u0103ng l\u01b0\u1ee3ng t\u00edch tr\u1eef ho\u1eb7c c\u1ea3m \u1ee9ng \u0111\u00e3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd.<\/p><\/section>\n<!-- lbaji-dataforseo-gaps:end -->\n<!-- lbaji-references:start -->\n<section aria-labelledby=\"technical-references-heading\" class=\"lbaji-technical-references\">\n<h2 id=\"technical-references-heading\">T\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt v\u00e0 \u0111\u1ecdc th\u00eam<\/h2>\n<p>C\u00e1c ngu\u1ed3n \u0111\u1ed9c l\u1eadp sau \u0111\u00e2y h\u1ed7 tr\u1ee3 c\u00e1c ti\u00eau chu\u1ea9n, thu\u1eadt ng\u1eef, ph\u00e9p t\u00ednh v\u00e0 b\u1ed1i c\u1ea3nh an to\u00e0n \u0111\u01b0\u1ee3c th\u1ea3o lu\u1eadn trong h\u01b0\u1edbng d\u1eabn n\u00e0y:<\/p>\n<ul><li><a href=\"https:\/\/www.nist.gov\/pml\/owm\/si-units-electric-current\" rel=\"noopener nofollow\" target=\"_blank\">C\u00e1c \u0111\u01a1n v\u1ecb SI c\u1ee7a NIST \u0111\u1ed1i v\u1edbi d\u00f2ng \u0111i\u1ec7n \u0111i\u1ec7n t\u1eed<\/a> \u2014 C\u00e1c \u0111\u1ecbnh ngh\u0129a c\u00f3 th\u1ea9m quy\u1ec1n v\u00e0 m\u1ed1i quan h\u1ec7 gi\u1eefa ampe, v\u00f4n, o\u00e1t v\u00e0 \u00f4m.<\/li>\n<li><a href=\"https:\/\/www.nist.gov\/pml\/special-publication-811\/nist-guide-si-appendix-b-conversion-factors\/nist-guide-si-appendix-b9\" rel=\"noopener nofollow\" target=\"_blank\">H\u01b0\u1edbng d\u1eabn c\u1ee7a NIST v\u1ec1 c\u00e1c h\u1ec7 s\u1ed1 chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec7n SI<\/a> \u2014 H\u1ec7 s\u1ed1 chuy\u1ec3n \u0111\u1ed5i ch\u00ednh th\u1ee9c cho \u0111i\u1ec7n, t\u1eeb t\u00ednh, n\u0103ng l\u01b0\u1ee3ng v\u00e0 c\u00e1c \u0111\u1ea1i l\u01b0\u1ee3ng li\u00ean quan.<\/li>\n<li><a href=\"https:\/\/www.osha.gov\/laws-regs\/regulations\/standardnumber\/1926\/1926SubpartV\" rel=\"noopener nofollow\" target=\"_blank\">Y\u00eau c\u1ea7u v\u1ec1 an to\u00e0n \u0111i\u1ec7n c\u1ee7a OSHA<\/a> \u2014 B\u1ed1i c\u1ea3nh an to\u00e0n khi \u00e1p d\u1ee5ng c\u00e1c t\u00ednh to\u00e1n \u0111i\u1ec7n v\u00e0o c\u00f4ng vi\u1ec7c truy\u1ec1n t\u1ea3i v\u00e0 ph\u00e2n ph\u1ed1i \u0111i\u1ec7n.<\/li><\/ul>\n<\/section>\n<!-- lbaji-references:end -->","protected":false},"excerpt":{"rendered":"<p>High voltage allows electric power to move long distances with lower current and lower conductor losses, but it also increases insulation, clearance, protection and safety requirements. This guide explains what voltage\u2026<\/p>","protected":false},"author":6,"featured_media":2416,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[58],"tags":[84,83],"class_list":["post-2420","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-electrical-engineering-guides","tag-electrical-calculations","tag-power-distribution"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/lbajiele.com\/vi\/wp-json\/wp\/v2\/posts\/2420","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lbajiele.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lbajiele.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lbajiele.com\/vi\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/lbajiele.com\/vi\/wp-json\/wp\/v2\/comments?post=2420"}],"version-history":[{"count":7,"href":"https:\/\/lbajiele.com\/vi\/wp-json\/wp\/v2\/posts\/2420\/revisions"}],"predecessor-version":[{"id":2784,"href":"https:\/\/lbajiele.com\/vi\/wp-json\/wp\/v2\/posts\/2420\/revisions\/2784"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lbajiele.com\/vi\/wp-json\/wp\/v2\/media\/2416"}],"wp:attachment":[{"href":"https:\/\/lbajiele.com\/vi\/wp-json\/wp\/v2\/media?parent=2420"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lbajiele.com\/vi\/wp-json\/wp\/v2\/categories?post=2420"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lbajiele.com\/vi\/wp-json\/wp\/v2\/tags?post=2420"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}