{"id":3854,"date":"2026-10-04T01:00:00","date_gmt":"2026-10-04T01:00:00","guid":{"rendered":"https:\/\/lbajiele.com\/?p=3854"},"modified":"2026-10-04T12:18:14","modified_gmt":"2026-10-04T12:18:14","slug":"high-voltage-step-up-guide","status":"publish","type":"post","link":"https:\/\/lbajiele.com\/vi\/blog\/high-voltage-step-up-guide\/","title":{"rendered":"High Voltage Step Up: Guide"},"content":{"rendered":"<p><strong>B\u1ed9 chuy\u1ec3n \u0111\u1ed5i GIS 33kV<\/strong> L\u00e0 m\u1ed9t thi\u1ebft b\u1ecb l\u1eafp r\u00e1p c\u00e1ch \u0111i\u1ec7n b\u1eb1ng kh\u00ed \u00e1p trung th\u1ebf d\u00f9ng \u0111\u1ec3 chuy\u1ec3n m\u1ea1ch, b\u1ea3o v\u1ec7, c\u00e1ch ly v\u00e0 ph\u00e2n ph\u1ed1i \u0111i\u1ec7n \u1edf m\u1ee9c \u0111i\u1ec7n \u00e1p 33 kV. C\u00e1c d\u00e2y d\u1eabn ch\u00ednh, thanh d\u1eabn v\u00e0 thi\u1ebft b\u1ecb chuy\u1ec3n m\u1ea1ch \u0111\u01b0\u1ee3c bao b\u1ecdc trong c\u00e1c khoang \u0111\u01b0\u1ee3c n\u1ed1i \u0111\u1ea5t v\u1edbi h\u1ec7 c\u00e1ch \u0111i\u1ec7n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t, cho ph\u00e9p chi\u1ebfm di\u1ec7n t\u00edch nh\u1ecf h\u01a1n so v\u1edbi nhi\u1ec1u thi\u1ebft k\u1ebf \u0111\u01b0\u1ee3c c\u00e1ch \u0111i\u1ec7n b\u1eb1ng kh\u00f4ng kh\u00ed. H\u01b0\u1edbng d\u1eabn n\u00e0y bao g\u1ed3m c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt, giao di\u1ec7n, l\u1eafp \u0111\u1eb7t, b\u1ea3o tr\u00ec v\u00e0 ki\u1ec3m tra mua s\u1eafm cho t\u1ea3i \u0111i\u1ec7n \u00e1p 33 kV.<\/p>\n<div class=\"lbaji-key-takeaways\"><h2>Vi\u1ec7c l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb GIS 33kV t\u00f3m t\u1eaft<\/h2><ul><li>Ki\u1ec3m tra \u0111\u1ed3ng th\u1eddi \u0111i\u1ec7n \u00e1p \u0111\u1ecbnh m\u1ee9c, kh\u1ea3 n\u0103ng ch\u1ecbu d\u00f2ng \u0111i\u1ec7n s\u00e9t, d\u00f2ng \u0111i\u1ec7n b\u00ecnh th\u01b0\u1eddng, kh\u1ea3 n\u0103ng ch\u1ecbu d\u00f2ng \u0111i\u1ec7n ng\u1eafn v\u00e0 s\u1ef1 gi\u00e1n \u0111o\u1ea1n khi c\u00f3 s\u1ef1 c\u1ed1.<\/li><li>Ki\u1ec3m tra \u0111\u1ea7u n\u1ed1i c\u00e1p, h\u01b0\u1edbng van x\u1ea3 \u00e1p l\u1ef1c, c\u00f4ng t\u1eafc n\u1ed1i \u0111\u1ea5t v\u00e0 c\u00e1c thi\u1ebft b\u1ecb an to\u00e0n kh\u00e1c tr\u00ean thi\u1ebft b\u1ecb \u0111\u01a1n d\u00f2ng \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t.<\/li><li>Vi\u1ec7c x\u00e1c \u0111\u1ecbnh tr\u00e1ch nhi\u1ec7m gi\u00e1m s\u00e1t, n\u1ea1p gas, kh\u00f4i ph\u1ee5c v\u00e0 x\u1eed l\u00fd sau khi ng\u1eebng ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed1i v\u1edbi kh\u00ed \u0111\u1ed1t ho\u1eb7c c\u00e1c gi\u1ea3i ph\u00e1p c\u00e1ch nhi\u1ec7t thay th\u1ebf ph\u1ea3i \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh trong h\u1ee3p \u0111\u1ed3ng mua h\u00e0ng.<\/li><\/ul><\/div>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" alt=\"LBAJI 35 kV box-type substation illustrating 33kV GIS project context\" loading=\"lazy\" src=\"https:\/\/lbajiele.com\/wp-content\/uploads\/2026\/09\/23-gis-featured.webp\"\/><figcaption>Thi\u1ebft b\u1ecb GIS 33 kV th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 nh\u01b0 m\u1ed9t ph\u1ea7n c\u1ee7a b\u1ed9 bi\u1ebfn \u00e1p v\u00e0 kho \u0111i\u1ec7n ph\u00e2n ho\u00e0n ch\u1ec9nh, kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb ri\u00eang bi\u1ec7t.<\/figcaption><\/figure>\n<h2>T\u1ee7 \u0111i\u1ec7n c\u00e1ch \u0111i\u1ec7n b\u1eb1ng kh\u00f4ng kh\u00ed l\u00e0 g\u00ec?<\/h2>\n<p>AIS s\u1eed d\u1ee5ng kh\u00f4ng kh\u00ed kh\u00ed quy\u1ec3n l\u00e0m l\u1edbp c\u00e1ch \u0111i\u1ec7n b\u00ean ngo\u00e0i ch\u00ednh gi\u1eefa c\u00e1c b\u1ed9 ph\u1eadn mang \u0111i\u1ec7n v\u00e0 m\u1eb7t \u0111\u1ea5t. AIS trung th\u1ebf trong nh\u00e0 th\u01b0\u1eddng c\u00f3 c\u00e1c khoang m\u00e1y c\u1eaft, thanh c\u00e1i, c\u00e1p v\u00e0 h\u1ea1 th\u1ebf ri\u00eang bi\u1ec7t. AIS cao th\u1ebf ngo\u00e0i tr\u1eddi s\u1eed d\u1ee5ng c\u00e1c thanh d\u1eabn thanh c\u00e1i v\u00e0 thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c ng\u0103n c\u00e1ch b\u1edfi kho\u1ea3ng h\u1edf kh\u00f4ng kh\u00ed m\u1edf.<\/p>\n<p>\u01afu \u0111i\u1ec3m c\u1ee7a n\u00f3 bao g\u1ed3m k\u1ebft c\u1ea5u d\u1ec5 nh\u00ecn th\u1ea5y, b\u1ea3o tr\u00ec quen thu\u1ed9c, kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn linh ki\u1ec7n d\u1ec5 d\u00e0ng h\u01a1n v\u00e0 chi ph\u00ed thi\u1ebft b\u1ecb ban \u0111\u1ea7u th\u01b0\u1eddng th\u1ea5p h\u01a1n. Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a n\u00f3 l\u00e0 chi\u1ebfm nhi\u1ec1u di\u1ec7n t\u00edch h\u01a1n v\u00e0 d\u1ec5 b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi b\u1ee5i, mu\u1ed1i, \u0111\u1ed9 \u1ea9m, s\u1ef1 ng\u01b0ng t\u1ee5 h\u01a1i n\u01b0\u1edbc v\u00e0 \u0111\u1ed9ng v\u1eadt nh\u1ecf n\u1ebfu l\u1edbp v\u1ecf ho\u1eb7c t\u00f2a nh\u00e0 kh\u00f4ng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t.<\/p>\n<h2>Thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft c\u00e1ch \u0111i\u1ec7n b\u1eb1ng kh\u00ed l\u00e0 g\u00ec?<\/h2>\n<p>GIS bao b\u1ecdc c\u00e1c d\u00e2y d\u1eabn ch\u00ednh, thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft v\u00e0 thanh c\u00e1i b\u00ean trong c\u00e1c khoang k\u00edn \u0111\u01b0\u1ee3c n\u1ed1i \u0111\u1ea5t. M\u00f4i tr\u01b0\u1eddng c\u00e1ch \u0111i\u1ec7n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t cho ph\u00e9p kho\u1ea3ng c\u00e1ch ly nh\u1ecf h\u01a1n, t\u1ea1o ra thi\u1ebft b\u1ecb nh\u1ecf g\u1ecdn c\u00f3 kh\u1ea3 n\u0103ng ch\u1ed1ng \u00f4 nhi\u1ec5m t\u1eeb b\u00ean ngo\u00e0i. GIS ph\u1ed5 bi\u1ebfn \u1edf nh\u1eefng n\u01a1i \u0111\u1ea5t \u0111ai \u0111\u1eaft \u0111\u1ecf, kh\u00f4ng gian h\u1ea1n ch\u1ebf ho\u1eb7c m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.<\/p>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" alt=\"LBAJI 35 kV Chinese-type substation product illustrating GIS installation interface\" loading=\"lazy\" src=\"https:\/\/lbajiele.com\/wp-content\/uploads\/2026\/09\/23-gis-box.webp\"\/><figcaption>S\u01a1 \u0111\u1ed3 v\u1ecb tr\u00ed c\u1ee7a h\u1ec7 th\u1ed1ng GIS ph\u1ea3i \u0111\u1ea3m b\u1ea3o \u0111\u1ee7 kh\u00f4ng gian \u0111\u1ec3 u\u1ed1n d\u00e2y, gi\u1ea3m \u00e1p, n\u00e2ng h\u1ea1 v\u00e0 m\u1edf r\u1ed9ng trong t\u01b0\u01a1ng lai.<\/figcaption><\/figure>\n<h2>So s\u00e1nh GIS v\u00e0 AIS<\/h2>\n<table><thead><tr><th>Y\u1ebfu t\u1ed1<\/th><th>H\u1ec7 th\u1ed1ng th\u00f4ng tin \u0111\u1ecba l\u00fd<\/th><th>AIS<\/th><\/tr><\/thead><tbody>\n<tr><td>D\u1ea5u ch\u00e2n<\/td><td>Nh\u1ecf g\u1ecdn<\/td><td>L\u1edbn h\u01a1n<\/td><\/tr>\n<tr><td>Ti\u1ebfp x\u00fac v\u1edbi m\u00f4i tr\u01b0\u1eddng<\/td><td>C\u00e1c b\u1ed9 ph\u1eadn ch\u00ednh \u0111\u00e3 \u0111\u01b0\u1ee3c ni\u00eam phong<\/td><td>Ti\u1ebfp x\u00fac nhi\u1ec1u h\u01a1n v\u1edbi kh\u00f4ng kh\u00ed v\u00e0 s\u1ef1 \u00f4 nhi\u1ec5m<\/td><\/tr>\n<tr><td>Truy c\u1eadp tr\u1ef1c quan<\/td><td>H\u1ea1n ch\u1ebf<\/td><td>L\u1edbn h\u01a1n<\/td><\/tr>\n<tr><td>B\u1ea3o tr\u00ec s\u01a1 c\u1ea5p \u0111\u1ecbnh k\u1ef3<\/td><td>Th\u01b0\u1eddng th\u1ea5p h\u01a1n<\/td><td>Nh\u00ecn chung d\u1ec5 ti\u1ebfp c\u1eadn h\u01a1n<\/td><\/tr>\n<tr><td>D\u1ecbch v\u1ee5 chuy\u00ean bi\u1ec7t<\/td><td>K\u1ef9 n\u0103ng v\u1ec1 h\u1ec7 th\u1ed1ng kh\u00ed\/m\u00f4-\u0111un k\u00edn<\/td><td>K\u1ef9 n\u0103ng c\u00e1ch \u0111i\u1ec7n kh\u00f4ng kh\u00ed th\u00f4ng th\u01b0\u1eddng<\/td><\/tr>\n<tr><td>Chi ph\u00ed thi\u1ebft b\u1ecb ban \u0111\u1ea7u<\/td><td>Th\u01b0\u1eddng cao h\u01a1n<\/td><td>Th\u01b0\u1eddng th\u1ea5p h\u01a1n<\/td><\/tr>\n<tr><td>Chi ph\u00ed \u0111\u1ea5t\/t\u00f2a nh\u00e0<\/td><td>Th\u01b0\u1eddng c\u00f3 chi ph\u00ed chi\u1ebfm di\u1ec7n t\u00edch th\u1ea5p h\u01a1n<\/td><td>Y\u00eau c\u1ea7u kh\u00f4ng gian l\u1edbn h\u01a1n<\/td><\/tr>\n<\/tbody><\/table>\n<h2>Di\u1ec7n t\u00edch v\u00e0 B\u1ed1 c\u1ee5c<\/h2>\n<p>GIS c\u00f3 th\u1ec3 gi\u1ea3m \u0111\u00e1ng k\u1ec3 chi\u1ec1u r\u1ed9ng khoang v\u00e0 di\u1ec7n t\u00edch x\u00e2y d\u1ef1ng. Tuy nhi\u00ean, t\u1ed5ng di\u1ec7n t\u00edch m\u1eb7t b\u1eb1ng c\u1ee7a d\u1ef1 \u00e1n ph\u1ea3i bao g\u1ed3m c\u00e1c \u0111\u1ea7u c\u00e1p, c\u00e1c v\u00f9ng kh\u00ed, h\u1ec7 th\u1ed1ng gi\u1ea3m \u00e1p, kh\u00f4ng gian c\u1ea9u l\u1eafp v\u00e0 c\u00e1c ph\u1ea7n m\u1edf r\u1ed9ng trong t\u01b0\u01a1ng lai. AIS c\u1ea7n kho\u1ea3ng c\u00e1ch c\u00e1ch \u0111i\u1ec7n l\u1edbn h\u01a1n nh\u01b0ng c\u00f3 th\u1ec3 cung c\u1ea5p kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn tr\u1ef1c \u202fti\u1ebfp v\u00e0 c\u00e1c giao di\u1ec7n t\u00f2a nh\u00e0 \u0111\u01a1n gi\u1ea3n h\u01a1n.<\/p>\n<h2>\u0110\u1ed9 tin c\u1eady trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t<\/h2>\n<p>Thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft b\u1ecdc kh\u00ed c\u00e1ch \u0111i\u1ec7n (GIS) r\u1ea5t h\u1ea5p d\u1eabn \u0111\u1ed1i v\u1edbi c\u00e1c khu v\u1ef1c nhi\u1ec5m m\u1eb7n ven bi\u1ec3n, \u00f4 nhi\u1ec5m c\u00f4ng nghi\u1ec7p, b\u1ee5i b\u1ea9n, \u0111\u1ed9 \u1ea9m cao v\u00e0 c\u00e1c \u0111\u1ecba \u0111i\u1ec3m ng\u1ea7m ch\u1eadt h\u1eb9p. AIS c\u0169ng c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1ng tin c\u1eady khi l\u1edbp v\u1ecf b\u1ecdc, b\u1ed9 s\u01b0\u1edfi, th\u00f4ng gi\u00f3, kho\u1ea3ng c\u00e1ch r\u00f2 \u0111i\u1ec7n v\u00e0 vi\u1ec7c b\u1ea3o tr\u00ec ph\u00f9 h\u1ee3p v\u1edbi m\u00f4i tr\u01b0\u1eddng. C\u1ea3 hai c\u00f4ng ngh\u1ec7 n\u00e0y \u0111\u1ec1u kh\u00f4ng b\u00f9 \u0111\u1eafp \u0111\u01b0\u1ee3c cho vi\u1ec7c b\u1ecbt k\u00edn c\u00e1p k\u00e9m ho\u1eb7c vi\u1ec7c ki\u1ec3m so\u00e1t ph\u00f2ng kh\u00f4ng \u0111\u1ea7y \u0111\u1ee7.<\/p>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" alt=\"LBAJI 35kV oil-immersed transformer used as a GIS transformer-interface reference\" loading=\"lazy\" src=\"https:\/\/lbajiele.com\/wp-content\/uploads\/2026\/09\/23-gis-sm.webp\"\/><figcaption>\u0110\u00e1nh gi\u00e1 c\u00f4ng su\u1ea5t c\u1ee7a bi\u1ebfn t\u1ea7n, tr\u1edf kh\u00e1ng v\u00e0 c\u00e1c giao di\u1ec7n c\u00e1p quy\u1ebft \u0111\u1ecbnh c\u00f4ng su\u1ea5t ho\u1ea1t \u0111\u1ed9ng c\u1ee7a h\u1ec7 th\u1ed1ng c\u1ea5p \u0111i\u1ec7n GIS.<\/figcaption><\/figure>\n<h2>SF6 v\u00e0 c\u00e1c c\u00e2n nh\u1eafc v\u1ec1 m\u00f4i tr\u01b0\u1eddng<\/h2>\n<p>SF6 c\u00f3 c\u00e1c \u0111\u1eb7c t\u00ednh c\u00e1ch \u0111i\u1ec7n v\u00e0 d\u1eadp h\u1ed3 quang xu\u1ea5t s\u1eafc nh\u01b0ng t\u00e1c \u0111\u1ed9ng l\u00e0m n\u00f3ng l\u00ean to\u00e0n c\u1ea7u r\u1ea5t cao. C\u00e1c d\u1ef1 \u00e1n s\u1eed d\u1ee5ng SF6 n\u00ean x\u00e1c \u0111\u1ecbnh gi\u1edbi h\u1ea1n r\u00f2 r\u1ec9, gi\u00e1m s\u00e1t m\u1eadt \u0111\u1ed9, x\u1eed l\u00fd \u0111\u01b0\u1ee3c \u0111\u00e0o t\u1ea1o, thu h\u1ed3i, b\u00e1o c\u00e1o v\u00e0 x\u1eed l\u00fd cu\u1ed1i v\u00f2ng \u0111\u1eddi. C\u00e1c quy \u0111\u1ecbnh kh\u00e1c nhau v\u00e0 ti\u1ebfp t\u1ee5c ti\u1ebfn h\u00f3a.<\/p>\n<p>C\u00e1c thi\u1ebft k\u1ebf thay th\u1ebf s\u1eed d\u1ee5ng h\u1ed7n h\u1ee3p kh\u00ed c\u00f3 GWP th\u1ea5p h\u01a1n, kh\u00f4ng kh\u00ed s\u1ea1ch, ng\u1eaft m\u1ea1ch ch\u00e2n dung v\u00e0 c\u00e1ch \u0111i\u1ec7n r\u1eafn. Kh\u00e1i ni\u1ec7m \u201ckh\u00f4ng ch\u1ee9a SF6\u201d kh\u00f4ng t\u1ef1 \u0111\u1ed9ng ch\u1ee9ng minh s\u1ef1 \u01b0u vi\u1ec7t to\u00e0n di\u1ec7n v\u1ec1 m\u00f4i tr\u01b0\u1eddng; h\u00e3y so s\u00e1nh m\u00f4i ch\u1ea5t c\u00e1ch \u0111i\u1ec7n, vi\u1ec7c s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u, t\u1ed5n th\u1ea5t, tu\u1ed5i th\u1ecd, kh\u1ea3 n\u0103ng s\u1eeda ch\u1eefa v\u00e0 kh\u1ea3 n\u0103ng t\u00e1i ch\u1ebf.<\/p>\n<h2>B\u1ea3o tr\u00ec v\u00e0 Ch\u1ea9n \u0111o\u00e1n<\/h2>\n<p>B\u1ea3o tr\u00ec AIS bao g\u1ed3m v\u1ec7 sinh, ki\u1ec3m tra c\u00e1ch \u0111i\u1ec7n, b\u1ea3o d\u01b0\u1ee1ng c\u01a1 c\u1ea5u, \u0111o \u0111i\u1ec7n tr\u1edf ti\u1ebfp x\u00fac, th\u1eddi gian c\u1eaft \u0111\u00f3ng m\u00e1y c\u1eaft, ch\u1ee5p \u1ea3nh nhi\u1ec7t v\u00e0 \u0111\u00e1nh gi\u00e1 ph\u00f3ng \u0111i\u1ec7n c\u1ee5c b\u1ed9. GIS l\u00e0m gi\u1ea3m s\u1ef1 ti\u1ebfp x\u00fac c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn ch\u00ednh nh\u01b0ng y\u00eau c\u1ea7u ki\u1ec3m tra m\u1eadt \u0111\u1ed9\/\u00e1p su\u1ea5t, gi\u00e1m s\u00e1t r\u00f2 r\u1ec9, b\u1ea3o d\u01b0\u1ee1ng c\u01a1 c\u1ea5u v\u00e0 can thi\u1ec7p chuy\u00ean\ubb38 n\u1ebfu m\u1ed9t th\u00e0nh ph\u1ea7n k\u00edn b\u00ean trong b\u1ecb h\u1ecfng.<\/p>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" alt=\"LBAJI oil-immersed transformer product illustrating 33kV GIS supply planning\" loading=\"lazy\" src=\"https:\/\/lbajiele.com\/wp-content\/uploads\/2026\/09\/23-gis-sm2.webp\"\/><figcaption>M\u1ee9c \u0111\u1ed9 l\u1ed7i, k\u1ebft n\u1ed1i bi\u1ebfn \u00e1p v\u00e0 ph\u1ed1i h\u1ee3p b\u1ea3o v\u1ec7 n\u00ean \u0111\u01b0\u1ee3c ghi nh\u1eadn tr\u01b0\u1edbc khi l\u1ef1a ch\u1ecdn h\u1ec7 th\u1ed1ng GIS cu\u1ed1i c\u00f9ng.<\/figcaption><\/figure>\n<h2>H\u1ed3 quang n\u1ed9i b\u1ed9 v\u00e0 An to\u00e0n cho ng\u01b0\u1eddi v\u1eadn h\u00e0nh<\/h2>\n<p>C\u1ea3 GIS v\u00e0 AIS \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ecbu h\u1ed3 quang n\u1ed9i b\u1ed9. C\u1ea7n ch\u1ec9 \u0111\u1ecbnh c\u00e1c ph\u00eda ti\u1ebfp c\u1eadn, d\u00f2ng \u0111i\u1ec7n h\u1ed3 quang, th\u1eddi gian v\u00e0 \u0111i\u1ec1u ki\u1ec7n l\u1eafp \u0111\u1eb7t. \u1ed0ng x\u1ea3 \u00e1p su\u1ea5t v\u00e0 th\u1ec3 t\u00edch ph\u00f2ng ph\u1ea3i ph\u00f9 h\u1ee3p v\u1edbi b\u1ed1 tr\u00ed \u0111\u00e3 th\u1eed nghi\u1ec7m. Ph\u00e2n lo\u1ea1i h\u1ed3 quang n\u1ed9i b\u1ed9 gi\u00fap gi\u1ea3m thi\u1ec3u h\u1eadu qu\u1ea3 trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n x\u00e1c \u0111\u1ecbnh nh\u01b0ng kh\u00f4ng thay th\u1ebf cho vi\u1ec7c c\u00e1ch ly, n\u1ed1i \u0111\u1ea5t, v\u1eadn h\u00e0nh t\u1eeb xa v\u00e0 c\u00e1c quy tr\u00ecnh l\u00e0m vi\u1ec7c an to\u00e0n.<\/p>\n<h2>Chi ph\u00ed v\u00f2ng \u0111\u1eddi<\/h2>\n<p>So s\u00e1nh thi\u1ebft b\u1ecb, \u0111\u1ea5t \u0111ai\/t\u00f2a nh\u00e0, vi\u1ec7c l\u1eafp \u0111\u1eb7t, s\u1ef1 c\u1ed1, b\u1ea3o tr\u00ec, qu\u1ea3n l\u00fd kh\u00ed, ph\u1ee5 t\u00f9ng, \u0111\u00e0o t\u1ea1o v\u00e0 thanh l\u00fd. GIS c\u00f3 th\u1ec3 bi\u1ec7n minh cho gi\u00e1 mua cao h\u01a1n b\u1eb1ng c\u00e1ch gi\u1ea3m di\u1ec7n t\u00edch chi\u1ebfm d\u1ee5ng v\u00e0 chi ph\u00ed b\u1ea3o tr\u00ec m\u00f4i tr\u01b0\u1eddng. AIS c\u00f3 th\u1ec3 mang l\u1ea1i chi ph\u00ed th\u1ea5p h\u01a1n v\u00e0 vi\u1ec7c s\u1eeda ch\u1eefa d\u1ec5 d\u00e0ng h\u01a1n khi kh\u00f4ng gian v\u00e0 \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i.<\/p>\n<h2>T\u00f9y ch\u1ecdn s\u1ea3n ph\u1ea9m<\/h2>\n<p>\u0110\u1ed1i v\u1edbi thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft c\u00e1ch \u0111i\u1ec7n kh\u00f4ng kh\u00ed (AIS) b\u1ecdc kim lo\u1ea1i 12 kV th\u00f4ng th\u01b0\u1eddng, h\u00e3y xem x\u00e9t <a href=\"https:\/\/lbajiele.com\/vi\/san-pham\/kyn28a-12-armouring-removable-ac-metal-enclosed-switchgear\/\">T\u1ee7 \u0111i\u1ec7n trung th\u1ebf KYN28A-12<\/a>. M\u1ea1ng k\u00edn nh\u1ecf g\u1ecdn c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng <a href=\"https:\/\/lbajiele.com\/vi\/san-pham\/lbhb-12v-630-20-environmentally-friendly-gas-insulated-ring-main-unit\/\">T\u1ee7 RMU th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng LBHB-12<\/a>. \u0110\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng 40,5 kV, h\u00e3y so s\u00e1nh <a href=\"https:\/\/lbajiele.com\/vi\/san-pham\/kyn61-40-5-armouring-removable-ac-metal-enclosed-switchgear\/\">KYN61-40.5 AIS<\/a> v\u1edbi <a href=\"https:\/\/lbajiele.com\/vi\/san-pham\/hc-40-5-fully-insulated-and-fully-sealed-ring-network-metal-switchgear\/\">T\u1ee7 \u0111\u00f3ng c\u1eaft m\u1ea1ng v\u00f2ng k\u00edn HC-40.5<\/a>.<\/p>\n<h2>Danh s\u00e1ch ki\u1ec3m tra l\u1ef1a ch\u1ecdn<\/h2>\n<ol><li>\u0110i\u1ec7n \u00e1p, d\u00f2ng \u0111i\u1ec7n, \u0111i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n v\u00e0 \u0111\u1ecbnh m\u1ee9c s\u1ef1 c\u1ed1.<\/li><li>Ph\u00f2ng\/\u0111\u1ea5t c\u00f3 s\u1eb5n v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng trong t\u01b0\u01a1ng lai.<\/li><li>\u00d4 nhi\u1ec5m, \u0111\u1ed9 \u1ea9m, \u0111\u1ed9 cao v\u00e0 nhi\u1ec7t \u0111\u1ed9.<\/li><li>Y\u00eau c\u1ea7u v\u1ec1 h\u1ed3 quang n\u1ed9i b\u1ed9 v\u00e0 gi\u1ea3i \u00e1p.<\/li><li>B\u1ea3o v\u1ec7, c\u00e1p v\u00e0 giao ti\u1ebfp truy\u1ec1n th\u00f4ng.<\/li><li>Quy \u0111\u1ecbnh kh\u00ed \u0111\u1ed1t \u0111\u1ecba ph\u01b0\u01a1ng v\u00e0 c\u00e1c m\u1ee5c ti\u00eau m\u00f4i tr\u01b0\u1eddng.<\/li><li>K\u1ef9 n\u0103ng b\u1ea3o tr\u00ec, ph\u1ee5 t\u00f9ng v\u00e0 chi\u1ebfn l\u01b0\u1ee3c d\u1eebng m\u00e1y.<\/li><li>Chi ph\u00ed to\u00e0n v\u00f2ng \u0111\u1eddi v\u00e0 k\u1ebf ho\u1ea1ch cu\u1ed1i v\u00f2ng \u0111\u1eddi.<\/li><\/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>C\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft c\u00e1ch \u0111i\u1ec7n b\u1eb1ng kh\u00ed<\/h2><p>GIS t\u00edch h\u1ee3p c\u00e1c thanh c\u00e1i, m\u00e1y c\u1eaft, dao c\u00e1ch ly, dao n\u1ed1i \u0111\u1ea5t, m\u00e1y bi\u1ebfn d\u00f2ng (CT), m\u00e1y bi\u1ebfn \u00e1p \u0111i\u1ec7n \u00e1p (VT), \u0111\u1ea7u c\u00e1p ho\u1eb7c \u0111\u1ea7u s\u1ee9 v\u00e0 c\u00e1c khoang kh\u00ed trong c\u00e1c v\u1ecf b\u1ecdc kim lo\u1ea1i n\u1ed1i \u0111\u1ea5t. H\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t m\u1eadt \u0111\u1ed9 ho\u1eb7c \u00e1p su\u1ea5t, c\u00e1c kh\u00f3a li\u00ean \u0111\u1ed9ng v\u00e0 c\u00e1c thi\u1ebft b\u1ecb gi\u1ea3m \u00e1p l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a h\u1ec7 th\u1ed1ng an to\u00e0n ch\u00ednh.<\/p><\/section>\n<section class=\"lbaji-serp-gap\"><h2>C\u00e1c c\u00e2u h\u1ecfi c\u1ea7n \u0111\u1eb7t ra tr\u01b0\u1edbc khi ch\u1ecdn GIS<\/h2><p>X\u00e1c nh\u1eadn nhu c\u1ea7u v\u1ec1 di\u1ec7n t\u00edch v\u00e0 m\u1edf r\u1ed9ng, ch\u00ednh s\u00e1ch v\u1ec1 kh\u00ed ho\u1eb7c v\u1eadt li\u1ec7u c\u00e1ch \u0111i\u1ec7n thay th\u1ebf, c\u00e1c cam k\u1ebft v\u1ec1 \u0111\u1ed9 r\u00f2 r\u1ec9, b\u00e1o c\u00e1o m\u00f4i tr\u01b0\u1eddng, c\u00e1c m\u00f4-\u0111un d\u1ef1 ph\u00f2ng, giao di\u1ec7n c\u00e1p, chi\u1ebfn l\u01b0\u1ee3c s\u1ef1 c\u1ed1 v\u00e0 n\u0103ng l\u1ef1c d\u1ecbch v\u1ee5 t\u1ea1i ch\u1ed7. K\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn r\u1ea5t c\u00f3 gi\u00e1 tr\u1ecb, nh\u01b0ng kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn trong su\u1ed1t v\u00f2ng \u0111\u1eddi v\u00e0 vi\u1ec7c b\u1ed5 sung ng\u0103n l\u1ed9 trong t\u01b0\u01a1ng lai c\u00f3 th\u1ec3 chi ph\u1ed1i quy\u1ebft \u0111\u1ecbnh c\u1ee7a d\u1ef1 \u00e1n.<\/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:\/\/webstore.iec.ch\/en\/publication\/63466\" rel=\"noopener nofollow\" target=\"_blank\">Ti\u00eau chu\u1ea9n thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft b\u1ecdc kim lo\u1ea1i IEC 62271-200<\/a> \u2014 Ph\u1ea1m vi, ph\u00e2n lo\u1ea1i, \u0111i\u1ec1u ki\u1ec7n d\u1ecbch v\u1ee5, th\u1eed nghi\u1ec7m h\u1ed3 quang n\u1ed9i b\u1ed9, c\u00e1c kh\u00f3a li\u00ean \u0111\u1ed9ng v\u00e0 c\u00e1c y\u00eau c\u1ea7u \u0111\u1ed1i v\u1edbi thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft b\u1ecdc kim lo\u1ea1i d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u l\u00ean \u0111\u1ebfn 52 kV.<\/li>\n<li><a href=\"https:\/\/standards.ieee.org\/ieee\/C37.121\/10133\/\" rel=\"noopener nofollow\" target=\"_blank\">Ti\u00eau chu\u1ea9n IEEE C37.121 h\u01b0\u1edbng d\u1eabn v\u1ec1 tr\u1ea1m bi\u1ebfn \u00e1p h\u1ee3p b\u1ed9 \u0111\u00f3ng c\u1eaft<\/a> \u2014 H\u01b0\u1edbng d\u1eabn ph\u1ed1i h\u1ee3p cho c\u00e1c khoang t\u1ee7 \u0111\u00f3ng c\u1eaft v\u00e0 m\u00e1y bi\u1ebfn \u00e1p trong tr\u1ea1m bi\u1ebfn \u00e1p tr\u1ecdn b\u1ed9 ba pha.<\/li>\n<li><a href=\"https:\/\/www.osha.gov\/laws-regs\/regulations\/standardnumber\/1926\/1926SubpartV\" rel=\"noopener nofollow\" target=\"_blank\">C\u00e1c y\u00eau c\u1ea7u v\u1ec1 an to\u00e0n \u0111i\u1ec7n n\u0103ng c\u1ee7a OSHA<\/a> \u2014 C\u00e1c y\u00eau c\u1ea7u an to\u00e0n \u0111\u1ed1i v\u1edbi c\u00f4ng t\u00e1c thi c\u00f4ng c\u00f3 li\u00ean quan \u0111\u1ebfn thi\u1ebft b\u1ecb truy\u1ec1n t\u1ea3i v\u00e0 ph\u00e2n ph\u1ed1i \u0111i\u1ec7n.<\/li><\/ul>\n<\/section>\n<!-- lbaji-references:end -->\n<h2>B\u1ea3o v\u1ec7 GIS v\u00e0 giao di\u1ec7n c\u00e1p 33kV<\/h2><p>V\u1edbi c\u00f4ng su\u1ea5t 33 kV, th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a h\u1ec7 th\u1ed1ng GIS n\u00ean quy \u0111\u1ecbnh ph\u01b0\u01a1ng ph\u00e1p n\u1ed1i \u0111\u1ea5t, d\u00f2ng \u0111i\u1ec7n ng\u1eafn m\u1ea1ch \u0111\u1ecbnh m\u1ee9c, th\u1eddi gian ch\u1ecbu t\u1ea3i c\u1ef1c \u0111\u1ea1i, chu k\u1ef3 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u1ea7u dao v\u00e0 lo\u1ea1i \u0111\u1ea7u n\u1ed1i c\u00e1p. C\u00e1c h\u1ed9p c\u00e1p, \u0111\u1ea7u n\u1ed1i c\u00f3 th\u1ec3 th\u00e1o r\u1eddi ho\u1eb7c \u0111\u1ea7u n\u1ed1i ki\u1ec3u kh\u00f4 \u0111\u1ec1u c\u00f3 c\u00e1c y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 gi\u00e3n n\u1edf v\u00e0 th\u1eed nghi\u1ec7m ri\u00eang. Ph\u1ed1i h\u1ee3p b\u1ed1 tr\u00ed \u1ed1ng c\u00e1p v\u1edbi m\u00e1y bi\u1ebfn \u00e1p, m\u00e1y bi\u1ebfn d\u00f2ng, \u0111\u01b0\u1eddng chuy\u1ec3n \u0111\u1ed5i d\u00e2y d\u1eabn tr\u00ean cao ho\u1eb7c tuy\u1ebfn c\u00e1p \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n tr\u00ean s\u01a1 \u0111\u1ed3 m\u1ed9t d\u00e2y.<\/p><p>B\u1ea3o v\u1ec7 c\u00f3 th\u1ec3 bao g\u1ed3m qu\u00e1 d\u00f2ng ng\u1ea7m, l\u1ed7i \u0111\u1ea5t, ch\u00eanh l\u1ec7ch gi\u1eefa b\u1ea3ng ph\u00e2n ph\u1ed1i, s\u1ef1 c\u1ed1 c\u1ea7u dao v\u00e0 qu\u00e1 t\u1ea3i. M\u1ed9t thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 nh\u1ecf g\u1ecdn kh\u00f4ng lo\u1ea1i b\u1ecf s\u1ef1 c\u1ea7n thi\u1ebft ph\u1ea3i ki\u1ec3m tra \u0111\u1ed9 b\u00e3o h\u00f2a CT, ph\u1ed1i h\u1ee3p r\u01a1le v\u00e0 \u0111\u00e1nh gi\u00e1 n\u0103ng l\u01b0\u1ee3ng xung. X\u00e1c \u0111\u1ecbnh c\u1ea5p CT, t\u1ea3i, t\u1ef7 l\u1ec7, c\u1ef1c v\u00e0 truy c\u1eadp \u0111\u1ea7u n\u1ed1i t\u1ea1i giai \u0111o\u1ea1n mua s\u1eafm. N\u1ebfu h\u1ec7 th\u1ed1ng GIS bao g\u1ed3m h\u1ec7 th\u1ed1ng ph\u00e1t hi\u1ec7n \u0111i\u1ec7n \u00e1p, h\u00e3y x\u00e1c \u0111\u1ecbnh giao di\u1ec7n v\u00e0 ph\u01b0\u01a1ng ph\u00e1p ch\u1ee9ng nh\u1eadn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong quy tr\u00ecnh v\u1eadn h\u00e0nh.<\/p>\n<h2>C\u00e1c th\u1eed nghi\u1ec7m v\u1ec1 nh\u00e0 m\u00e1y v\u00e0 \u0111\u1ecba \u0111i\u1ec3m l\u1eafp \u0111\u1eb7t<\/h2><p>Y\u00eau c\u1ea7u c\u00e1c b\u1ea3n ghi th\u1eed nghi\u1ec7m \u0111\u1ecbnh k\u1ef3 v\u1ec1 \u0111\u1ed9 b\u1ec1n \u0111i\u1ec7n m\u00f4i, \u0111i\u1ec7n tr\u1edf m\u1ea1ch ch\u00ednh, ho\u1ea1t \u0111\u1ed9ng c\u01a1 h\u1ecdc, h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n, c\u00e1c b\u00e1o \u0111\u1ed9ng \u00e1p su\u1ea5t ho\u1eb7c m\u1eadt \u0111\u1ed9 v\u00e0 \u0111\u1ed9 c\u00e1ch \u0111i\u1ec7n c\u1ee7a m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n. T\u1ea1i th\u1eddi \u0111i\u1ec3m nghi\u1ec7m thu t\u1ea1i c\u00f4ng tr\u01b0\u1eddng, c\u1ea7n x\u00e1c nh\u1eadn c\u00e1c h\u01b0 h\u1ecfng do v\u1eadn chuy\u1ec3n, nh\u1eadn d\u1ea1ng khoang ch\u1ee9a, momen xo\u1eafn, k\u1ef9 thu\u1eadt k\u1ebft n\u1ed1i c\u00e1p, n\u1ed1i \u0111\u1ea5t, tr\u00ecnh t\u1ef1 pha, \u0111i\u1ec1u khi\u1ec3n c\u1ee5c b\u1ed9, t\u00edn hi\u1ec7u t\u1eeb xa v\u00e0 \u0111\u01b0\u1eddng d\u1eabn b\u00e1o \u0111\u1ed9ng b\u1ea3o v\u1ec7. Gi\u00e1 tr\u1ecb th\u1eed nghi\u1ec7m ph\u1ea3i \u0111\u01b0\u1ee3c so s\u00e1nh v\u1edbi gi\u1edbi h\u1ea1n c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 k\u1ebf ho\u1ea1ch nghi\u1ec7m thu \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t.<\/p><p>Thi\u1ebft b\u1ecb GIS th\u01b0\u1eddng \u0111\u01b0\u1ee3c ph\u00e2n ph\u1ed1i theo t\u1eebng ph\u1ea7n. Tr\u01b0\u1edbc khi l\u1eafp r\u00e1p, h\u00e3y ki\u1ec3m tra \u0111\u1ed9 s\u1ea1ch c\u1ee7a m\u1eb7t b\u00edch, m\u1ed1i li\u00ean k\u1ebft c\u1ee7a v\u1ecf b\u1ecdc, \u0111\u1ed9 th\u1eb3ng h\u00e0ng, c\u00e1c \u0111i\u1ec3m n\u00e2ng v\u00e0 quy tr\u00ecnh n\u1ed1i \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh. N\u1ebfu s\u1eed d\u1ee5ng kh\u00ed ho\u1eb7c m\u00f4i ch\u1ea5t thay th\u1ebf, h\u00e3y ghi l\u1ea1i d\u1eef li\u1ec7u v\u1ec1 vi\u1ec7c n\u1ea1p ho\u1eb7c x\u1ea3 kh\u00ed, ki\u1ec3m tra r\u00f2 r\u1ec9 v\u00e0 th\u00f4ng tin c\u1ee7a k\u1ef9 thu\u1eadt vi\u00ean c\u00f3 tr\u00e1ch nhi\u1ec7m. Kh\u00f4ng n\u00ean d\u1ef1a v\u00e0o ch\u1ec9 s\u1ed1 \u00e1p su\u1ea5t c\u1ee7a \u0111\u1ed3ng h\u1ed3 \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng kh\u00ed; h\u00e3y s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p \u0111\u01b0\u1ee3c nh\u00e0 cung c\u1ea5p quy \u0111\u1ecbnh.<\/p>\n<h2>L\u1eadp k\u1ebf ho\u1ea1ch d\u1ecbch v\u1ee5 v\u00f2ng \u0111\u1eddi<\/h2><p>GIS nh\u1ecf g\u1ecdn gi\u00fap gi\u1ea3m thi\u1ec3u c\u00e1c ph\u1ea7n ch\u00ednh d\u1ec5 b\u1ecb ti\u1ebfp x\u00fac v\u1edbi m\u00f4i tr\u01b0\u1eddng, nh\u01b0ng v\u1eabn c\u1ea7n c\u00f3 chi\u1ebfn l\u01b0\u1ee3c ti\u1ebfp c\u1eadn v\u00e0 b\u1ea3o tr\u00ec. Cung c\u1ea5p kh\u00f4ng gian l\u00e0m vi\u1ec7c cho vi\u1ec7c th\u1eed nghi\u1ec7m c\u00e1p, thay th\u1ebf r\u01a1le, ki\u1ec3m tra \u0111\u1ed9 d\u00e0y m\u00e0n h\u00ecnh, gi\u1ea3i ph\u00f3ng \u00e1p su\u1ea5t v\u00e0 n\u00e2ng h\u1ea1. L\u01b0u gi\u1eef l\u1ecbch s\u1eed thi\u1ebft b\u1ecb v\u1edbi c\u00e1c ho\u1ea1t \u0111\u1ed9ng chuy\u1ec3n m\u1ea1ch, b\u00e1o \u0111\u1ed9ng, k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m v\u00e0 b\u1ea5t k\u1ef3 ho\u1ea1t \u0111\u1ed9ng x\u1eed l\u00fd m\u00f4i tr\u01b0\u1eddng n\u00e0o. \u0110\u1ed1i v\u1edbi c\u00e1c c\u01a1 s\u1edf c\u00f3 y\u00eau c\u1ea7u nghi\u00eam ng\u1eb7t v\u1ec1 m\u00f4i tr\u01b0\u1eddng, h\u1ee3p \u0111\u1ed3ng c\u1ea7n bao g\u1ed3m c\u00e1c tr\u00e1ch nhi\u1ec7m v\u1ec1 thu h\u1ed3i, t\u00e1i ch\u1ebf v\u00e0 x\u1eed l\u00fd.<\/p><p>M\u1ed9t b\u00e1o gi\u00e1 GIS 33kV n\u00ean x\u00e1c \u0111\u1ecbnh \u0111\u1ea7y \u0111\u1ee7 c\u00e1c th\u00f4ng s\u1ed1 c\u1ee7a v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t: h\u1ec7 th\u1ed1ng busbar, s\u1ed1 l\u01b0\u1ee3ng ti\u1ebfp li\u1ec7u, nhi\u1ec7m v\u1ee5 c\u1ee7a c\u1ea7u ng\u1eaft, c\u1ea7u ng\u1eaft \u0111i\u1ec7n, c\u1ea7u ng\u1eaft \u0111i\u1ec7n \u0111\u1ea5t, c\u1ea7u ng\u1eaft \u0111i\u1ec7n CT, c\u1ea7u ng\u1eaft \u0111i\u1ec7n VT, c\u1ea7u ng\u1eaft \u0111i\u1ec7n r\u1eafc r\u1ed1i, \u0111\u1ea7u n\u1ed1i c\u00e1p, ngu\u1ed3n c\u1ea5p ph\u1ee5 tr\u1ee3, h\u1ec7 th\u1ed1ng truy\u1ec1n th\u00f4ng v\u00e0 c\u00e1c \u0111\u01b0\u1eddng d\u1eabn d\u1ef1 ph\u00f2ng. Vi\u1ec7c ch\u1ec9 so s\u00e1nh m\u1eb7t b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n c\u00f3 th\u1ec3 che gi\u1ea5u chi ph\u00ed d\u00e2n d\u1ee5ng, b\u1ea3o v\u1ec7 v\u00e0 v\u1eadn h\u00e0nh.<\/p>\n<h2>Video k\u1ef9 thu\u1eadt trung l\u1eadp<\/h2><p>Further viewing: The Engineering Mindset \u2014 How Three Phase Electricity works &#8211; The basics explained. This video provides background principles; it does not specify LBAJI equipment ratings or replace a project design.<\/p><iframe allowfullscreen=\"\" height=\"315\" loading=\"lazy\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/4oRT7PoXSS0\" style=\"width:100%;aspect-ratio:16\/9;height:auto;border:0;\" title=\"How Three Phase Electricity works - The basics explained\" width=\"560\"><\/iframe><p>H\u00e3y l\u01b0u gi\u1eef c\u00f9ng nhau b\u1ea3ng t\u00ean GIS, b\u1ea3n v\u1ebd v\u1ecb tr\u00ed v\u1ecb tr\u00ed \u0111\u1eb7t c\u00e1p, s\u01a1 \u0111\u1ed3 d\u00e2y \u0111i\u1ec7n, t\u1ec7p tin v\u1ec1 thi\u1ebft b\u1ecb ti\u1ebfp nh\u1eadn v\u00e0 h\u1ed3 s\u01a1 v\u1ec1 vi\u1ec7c x\u1eed l\u00fd v\u1eadt li\u1ec7u truy\u1ec1n t\u1ea3i. T\u00e0i li\u1ec7u n\u00e0y gi\u00fap \u0111\u1ed9i ng\u0169 t\u01b0\u01a1ng lai c\u00f3 th\u1ec3 x\u00e1c minh c\u00f4ng su\u1ea5t \u0111\u1ecbnh m\u1ee9c v\u00e0 ranh gi\u1edbi c\u00e1ch ly tr\u01b0\u1edbc khi m\u1edf khoang ho\u1eb7c thay \u0111\u1ed5i c\u00e0i \u0111\u1eb7t thi\u1ebft b\u1ecb ti\u1ebfp nh\u1eadn. N\u00f3 c\u0169ng cung c\u1ea5p cho ch\u1ee7 s\u1edf h\u1eefu m\u1ed9t h\u1ed3 s\u01a1 \u0111\u00e1ng tin c\u1eady v\u1ec1 c\u00e1c c\u00f4ng vi\u1ec7c b\u1ea3o tr\u00ec v\u00e0 m\u1edf r\u1ed9ng \u0111\u00e3 \u0111\u01b0\u1ee3c l\u00ean k\u1ebf ho\u1ea1ch. Nh\u00e3n h\u00f3a t\u1eebng v\u1ecb tr\u00ed \u0111\u01b0\u1ee3c c\u00e1ch ly v\u00e0 l\u01b0u gi\u1eef l\u1ea1i s\u01a1 \u0111\u1ed3 chuy\u1ec3n \u0111\u1ed5i cu\u1ed1i c\u00f9ng \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t t\u1ea1i \u0111i\u1ec3m \u0111i\u1ec1u khi\u1ec3n.<\/p>","protected":false},"excerpt":{"rendered":"<p>33kV GIS switchgear is a medium-voltage gas-insulated assembly for switching, protection, isolation and distribution at 33 kV. The primary conductors, busbars and switching devices are enclosed in grounded compartments with controlled insulation, allowing a smaller footprint than many air-insulated layouts. This guide covers the 33 kV duty, ratings, interfaces, installation, maintenance and procurement checks. 33kV [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":3965,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[53],"tags":[76,83],"class_list":["post-3854","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-switchgear-protection","tag-medium-voltage-switchgear","tag-power-distribution"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/lbajiele.com\/vi\/wp-json\/wp\/v2\/posts\/3854","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=3854"}],"version-history":[{"count":3,"href":"https:\/\/lbajiele.com\/vi\/wp-json\/wp\/v2\/posts\/3854\/revisions"}],"predecessor-version":[{"id":3998,"href":"https:\/\/lbajiele.com\/vi\/wp-json\/wp\/v2\/posts\/3854\/revisions\/3998"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lbajiele.com\/vi\/wp-json\/wp\/v2\/media\/3965"}],"wp:attachment":[{"href":"https:\/\/lbajiele.com\/vi\/wp-json\/wp\/v2\/media?parent=3854"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lbajiele.com\/vi\/wp-json\/wp\/v2\/categories?post=3854"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lbajiele.com\/vi\/wp-json\/wp\/v2\/tags?post=3854"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}