{"id":3428,"date":"2026-09-26T01:00:00","date_gmt":"2026-09-26T01:00:00","guid":{"rendered":"https:\/\/lbajiele.com\/?p=3428"},"modified":"2026-10-04T10:32:18","modified_gmt":"2026-10-04T10:32:18","slug":"complete-guide-to-ring-main-units","status":"publish","type":"post","link":"https:\/\/lbajiele.com\/vi\/blog\/complete-guide-to-ring-main-units\/","title":{"rendered":"H\u01b0\u1edbng d\u1eabn \u0111\u1ea7y \u0111\u1ee7 v\u1ec1 c\u00e1c \u0111\u01a1n v\u1ecb ch\u00ednh c\u1ee7a h\u1ec7 th\u1ed1ng \u0111i\u1ec7n tho\u1ea1i"},"content":{"rendered":"<p><strong>C\u00e1c \u0111\u01a1n v\u1ecb ch\u00ednh (RMU) trong vi\u1ec7c ph\u00e2n ph\u1ed1i \u0111i\u1ec7n<\/strong> \u0110\u00e2y l\u00e0 c\u00e1c c\u1ee5m \u0111i\u1ec7n \u00e1p trung b\u00ecnh nh\u1ecf g\u1ecdn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 chuy\u1ec3n m\u1ea1ch, b\u1ea3o v\u1ec7 v\u00e0 ph\u00e2n \u0111o\u1ea1n c\u00e1c \u0111\u01b0\u1eddng d\u00e2y c\u1ea5p \u0111i\u1ec7n v\u00f2ng ho\u1eb7c \u0111\u01b0\u1eddng d\u00e2y c\u1ea5p \u0111i\u1ec7n m\u1eb7t. M\u1ed9t RMU th\u01b0\u1eddng k\u1ebft h\u1ee3p c\u00e1c c\u00f4ng t\u1eafc ng\u1eaft t\u1ea3i, c\u00f4ng t\u1eafc \u0111\u1ea5t, \u0111\u1ea7u n\u1ed1i c\u00e1p v\u00e0\u2014n\u1ebfu c\u1ea7n\u2014m\u1ed9t thi\u1ebft b\u1ecb t\u00e1ch \u0111i\u1ec7n tr\u1edf ho\u1eb7c thi\u1ebft b\u1ecb ng\u1eaft m\u1ea1ch. H\u01b0\u1edbng d\u1eabn n\u00e0y gi\u1ea3i th\u00edch c\u00e1c tr\u1ea1ng th\u00e1i ho\u1ea1t \u0111\u1ed9ng, c\u1ea5p \u0111i\u1ec7n, b\u1ea3o v\u1ec7, l\u1eafp \u0111\u1eb7t, b\u1ea3o tr\u00ec v\u00e0 l\u1ef1a ch\u1ecdn mua c\u1ee7a RMU cho c\u00e1c m\u1ea1ng ph\u00e2n ph\u1ed1i.<\/p>\n<div class=\"lbaji-key-takeaways\"><h2>S\u01a1 l\u01b0\u1ee3c v\u1ec1 l\u1ef1a ch\u1ecdn RMU<\/h2><ul><li>Tr\u01b0\u1edbc khi so s\u00e1nh c\u00e1c m\u1eabu, h\u00e3y x\u00e1c nh\u1eadn \u0111i\u1ec7n \u00e1p, d\u00f2ng \u0111i\u1ec7n li\u00ean t\u1ee5c, kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i trong th\u1eddi gian ng\u1eafn v\u00e0 kh\u1ea3 n\u0103ng ng\u1eaft \u0111i\u1ec7n khi c\u00f3 s\u1ef1 c\u1ed1.<\/li><li>Ph\u1ed1i h\u1ee3p h\u1ec7 th\u1ed1ng c\u00e1ch nhi\u1ec7t RMU v\u1edbi thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 ph\u00f9 h\u1ee3p v\u1edbi \u0111\u1ed9 \u1ea9m, b\u1ee5i b\u1ea9n, mu\u1ed1i, \u0111\u1ed9 cao v\u00e0 \u0111i\u1ec1u ki\u1ec7n ti\u1ebfp c\u1eadn.<\/li><li>Bi\u1ec3u \u0111\u1ed3 m\u1ed9t d\u00f2ng hi\u1ec3n th\u1ecb c\u00e1c thi\u1ebft b\u1ecb chuy\u1ec3n m\u1ea1ch v\u00f2ng \u0111\u1ed3ng b\u1ed9, b\u1ea3o v\u1ec7 bi\u1ebfn \u00e1p, n\u1ed1i \u0111\u1ea5t v\u00e0 ch\u1ec9 b\u00e1o t\u1eeb xa.<\/li><\/ul><\/div>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/lbajiele.com\/wp-content\/uploads\/2026\/09\/22-rmu-featured.webp\" alt=\"LBAJI prefabricated distribution equipment illustrating RMU network application\" loading=\"lazy\"\/><figcaption>M\u1ea1ng l\u01b0\u1edbi RMU k\u1ebft n\u1ed1i c\u00e1c \u0111i\u1ec3m chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec7n \u00e1p trung b\u00ecnh nh\u1ecf g\u1ecdn v\u1edbi c\u00e1c \u0111\u01b0\u1eddng d\u00e2y c\u1ea5p ngu\u1ed3n ph\u00eda tr\u00ean v\u00e0 ph\u00eda d\u01b0\u1edbi.<\/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 YB27 prefabricated substation used with ring main distribution\" src=\"https:\/\/lbajiele.com\/wp-content\/uploads\/2026\/09\/22-rmu-yb27.webp\" loading=\"lazy\"\/><figcaption>Thi\u1ebft b\u1ecb ph\u00e2n ph\u1ed1i \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o s\u1eb5n c\u00f3 th\u1ec3 ch\u1ee9a m\u00e1y bi\u1ebfn \u00e1p v\u00e0 giao di\u1ec7n RMU khi d\u1ef1 \u00e1n y\u00eau c\u1ea7u m\u1ed9t tr\u1ea1m bi\u1ebfn \u00e1p nh\u1ecf g\u1ecdn.<\/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 dry-type transformer product used as an RMU transformer interface reference\" src=\"https:\/\/lbajiele.com\/wp-content\/uploads\/2026\/09\/22-rmu-sgb.webp\" loading=\"lazy\"\/><figcaption>Quy\u1ec1n h\u1ea1n c\u1ee7a bi\u1ebfn t\u1ea7n v\u00e0 ch\u1ee9c n\u0103ng b\u1ea3o v\u1ec7 cho c\u00e1c \u0111\u1ea7u ra c\u1ee7a RMU ph\u1ea3i \u0111\u01b0\u1ee3c ph\u1ed1i h\u1ee3p v\u1edbi nhau thay v\u00ec \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn ri\u00eang bi\u1ec7t.<\/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 upstream RMU supply planning\" src=\"https:\/\/lbajiele.com\/wp-content\/uploads\/2026\/09\/22-rmu-sfz.webp\" loading=\"lazy\"\/><figcaption>Kh\u1ea3 n\u0103ng kh\u00e1ng c\u1ee7a m\u00e1y bi\u1ebfn \u00e1p th\u01b0\u1ee3ng l\u01b0u v\u00e0 m\u1ee9c \u0111\u1ed9 l\u1ed7i \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn y\u00eau c\u1ea7u b\u1ea3o v\u1ec7 v\u00e0 n\u1ed1i \u0111\u1ea5t c\u1ee7a m\u00e1y RMU.<\/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>Chu tr\u00ecnh v\u1eadn h\u00e0nh v\u00e0 c\u00e1c thi\u1ebft b\u1ecb kh\u00f3a c\u1ee7a RMU<\/h2><p>Tr\u01b0\u1edbc khi k\u00edch ho\u1ea1t m\u1ed9t RMU, h\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng l\u1ecbch tr\u00ecnh chuy\u1ec3n m\u1ea1ch \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed c\u1ee7a ngu\u1ed3n c\u1ea5p \u0111i\u1ec7n, t\u1ea3i \u0111i\u1ec7n, thi\u1ebft b\u1ecb t\u00e1ch bi\u1ebfn \u00e1p v\u00e0 c\u00f4ng t\u1eafc n\u1ed1i \u0111\u1ea5t. \u0110\u01b0\u1eddng d\u1eabn v\u00f2ng th\u00f4ng th\u01b0\u1eddng s\u1ebd m\u1edf \u1edf m\u1ed9t \u0111i\u1ec3m trong qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng, sau \u0111\u00f3 \u0111\u00f3ng l\u1ea1i t\u1ea1i m\u1ed9t \u0111i\u1ec3m kh\u00e1c sau khi x\u1ea3y ra s\u1ef1 c\u1ed1 \u0111\u1ec3 kh\u00f4i ph\u1ee5c ngu\u1ed3n cung c\u1ea5p. H\u1ec7 th\u1ed1ng kh\u00f3a ph\u1ea3i ng\u0103n c\u00f4ng t\u1eafc n\u1ed1i \u0111\u1ea5t \u0111\u00f3ng v\u00e0o d\u00e2y d\u1eabn \u0111ang \u0111\u01b0\u1ee3c c\u1ea5p \u0111i\u1ec7n v\u00e0 ng\u0103n c\u00f4ng t\u1eafc ng\u1eaft t\u1ea3i ho\u1ea1t \u0111\u1ed9ng b\u00ean ngo\u00e0i ph\u1ea1m vi ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh. C\u00e1c ch\u1ec9 b\u00e1o ch\u00ednh ph\u1ea3i \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb r\u00f5 r\u00e0ng t\u1ea1i \u0111\u1ecba ph\u01b0\u01a1ng v\u00e0, khi \u0111\u01b0\u1ee3c quy \u0111\u1ecbnh, th\u00f4ng qua c\u00e1c ti\u1ebfp \u0111i\u1ec3m t\u1eeb xa.<\/p><p>C\u00e0i \u0111\u1eb7t b\u1ea3o v\u1ec7 kh\u00f4ng th\u1ec3 ho\u00e1n \u0111\u1ed5i cho nhau gi\u1eefa m\u1ed9t RMU v\u00e0 thi\u1ebft b\u1ecb chuy\u1ec3n m\u1ea1ch ph\u00eda tr\u01b0\u1edbc. C\u00e0i \u0111\u1eb7t t\u00e1ch n\u1ed1i c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u01b0\u1eddng cong c\u1ea7u ch\u00ec \u0111\u01b0\u1ee3c ph\u1ed1i h\u1ee3p v\u1edbi s\u1ef1 gia t\u0103ng t\u1ea3i c\u1ee7a m\u00e1y bi\u1ebfn \u00e1p, trong khi \u0111\u00f3, c\u00e0i \u0111\u1eb7t t\u00e1ch n\u1ed1i b\u1eb1ng c\u1ea7u ch\u00ec c\u1ea7n c\u00f3 thi\u1ebft l\u1eadp v\u1ec1 b\u1ed9 thu ti\u1ebfp nh\u1eadn, \u0111\u1ed9 tr\u1ec5 th\u1eddi gian v\u00e0 thi\u1ebft l\u1eadp l\u1ed7i \u0111\u1ea5t. X\u00e1c nh\u1eadn vi\u1ec7c li\u00ean k\u1ebft m\u00e0n h\u00ecnh c\u00e1p, v\u1ecb tr\u00ed CT chu\u1ed7i kh\u00f4ng n\u1ed1i v\u00e0 tri\u1ebft l\u00fd l\u1ed7i \u0111\u1ea5t c\u1ee7a nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5. L\u01b0u l\u1ea1i c\u00e1c c\u00e0i \u0111\u1eb7t cu\u1ed1i c\u00f9ng tr\u00ean b\u1ea3n v\u1ebd khi ho\u00e0n th\u00e0nh c\u00f4ng tr\u00ecnh.<\/p>\n<h2>Danh s\u00e1ch ki\u1ec3m tra l\u1eafp \u0111\u1eb7t v\u00e0 v\u1eadn h\u00e0nh<\/h2><p>Ki\u1ec3m tra n\u1ec1n m\u00f3ng, h\u1ec7 th\u1ed1ng neo, r\u00e3nh c\u00e1p, b\u00e1n k\u00ednh u\u1ed1n t\u1ed1i thi\u1ec3u, b\u1ed9 d\u1ee5ng c\u1ee5 x\u00e1c \u0111\u1ecbnh pha v\u00e0 k\u1ebft n\u1ed1i tr\u01b0\u1edbc khi m\u00e1y RMU \u0111\u1ebfn. Gi\u1eef \u0111\u1ed9 cao c\u1ee7a thi\u1ebft b\u1ecb v\u00e0 b\u1ea3o v\u1ec7 c\u00e1c \u1ed1ng d\u1eabn kh\u1ecfi b\u1ee5i v\u00e0 \u0111\u1ed9 \u1ea9m trong qu\u00e1 tr\u00ecnh \u0111\u1ea5u d\u00e2y. Trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh, ki\u1ec3m tra c\u00e1c d\u1eef li\u1ec7u m\u00f4-men xo\u1eafn, \u0111i\u1ec7n tr\u1edf c\u00e1ch \u0111i\u1ec7n, \u0111i\u1ec7n tr\u1edf ti\u1ebfp x\u00fac, v\u1eadn h\u00e0nh c\u01a1 h\u1ecdc, c\u00e1c kh\u00f3a an to\u00e0n, tr\u00ecnh t\u1ef1 pha, li\u00ean k\u1ebft v\u1edbi \u0111\u1ea5t v\u00e0 c\u00e1c ch\u1ec9 b\u00e1o t\u1eeb xa. Ch\u1ec9 th\u1ef1c hi\u1ec7n c\u00e1c th\u1eed nghi\u1ec7m \u0111i\u1ec7n \u00e1p cao ho\u1eb7c ch\u1ecbu \u0111\u1ef1ng t\u1ea3i khi s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p, gi\u1edbi h\u1ea1n th\u1eed nghi\u1ec7m v\u00e0 thi\u1ebft b\u1ecb ki\u1ec3m so\u00e1t c\u00e1ch ly \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t.<\/p><p>\u0110\u1ed1i v\u1edbi c\u00e1c thi\u1ebft b\u1ecb RMU c\u00e1ch \u0111i\u1ec7n b\u1eb1ng kh\u00ed, h\u00e3y ghi l\u1ea1i th\u00f4ng s\u1ed1 c\u1ee7a v\u1eadt li\u1ec7u tr\u00ean nh\u00e3n, \u0111\u1ed9 d\u00e0y ho\u1eb7c ch\u1ec9 s\u1ed1 \u00e1p su\u1ea5t v\u00e0 b\u1ea5t k\u1ef3 thi\u1ebft b\u1ecb b\u00e1o \u0111\u1ed9ng n\u00e0o. \u0110\u1eebng cho kh\u00ed tho\u00e1t ra ho\u1eb7c m\u1edf c\u1eeda khoang k\u00edn m\u00e0 kh\u00f4ng c\u00f3 quy tr\u00ecnh c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t v\u00e0 nh\u00e2n vi\u00ean \u0111\u01b0\u1ee3c \u0111\u00e0o t\u1ea1o. \u0110\u1ed1i v\u1edbi c\u00e1c thi\u1ebft k\u1ebf c\u00e1ch \u0111i\u1ec7n b\u1eb1ng ch\u1ea5t r\u1eafn ho\u1eb7c c\u00e1ch \u0111i\u1ec7n b\u1eb1ng kh\u00f4ng kh\u00ed, h\u00e3y ki\u1ec3m tra c\u00e1c c\u1eeda ch\u1edbp, r\u00e0o ch\u1eafn, m\u00e1y s\u01b0\u1edfi v\u00e0 c\u00e1c thi\u1ebft b\u1ecb ki\u1ec3m so\u00e1t ng\u01b0ng t\u1ee5. Kho\u1ea3ng th\u1eddi gian b\u1ea3o tr\u00ec n\u00ean tu\u00e2n theo nhi\u1ec7m v\u1ee5 v\u00e0 m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c ch\u1ee9 kh\u00f4ng ch\u1ec9 d\u1ef1a v\u00e0o l\u1ecbch chung chung.<\/p>\n<h2>B\u1ea3o tr\u00ec v\u00e0 ch\u1ea9n \u0111o\u00e1n s\u1ef1 c\u1ed1<\/h2><p>Vi\u1ec7c b\u1ea3o tr\u00ec \u0111\u1ecbnh k\u1ef3 bao g\u1ed3m vi\u1ec7c ki\u1ec3m tra tr\u1ef1c quan, l\u00e0m s\u1ea1ch khoang c\u00e1p, ki\u1ec3m tra ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00f4ng t\u1eafc, ki\u1ec3m tra ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00f4ng t\u1eafc \u0111\u1ea5t, ki\u1ec3m tra c\u00e1c \u0111\u00e8n b\u00e1o hi\u1ec7u v\u00e0 x\u00e1c nh\u1eadn nh\u00e3n m\u00e1c. Nghi\u00ean c\u1ee9u v\u1ec1 c\u00e1c b\u00e1o \u0111\u1ed9ng b\u00e1o hi\u1ec7u x\u1ea3 \u0111i\u1ec7n m\u1ed9t ph\u1ea7n, nhi\u1ec7t \u0111\u1ed9 b\u1ea5t th\u01b0\u1eddng, m\u1ea5t \u00e1p l\u1ef1c, \u0111\u1ed9 \u1ea9m ho\u1eb7c c\u00e1c tr\u01b0\u1eddng h\u1ee3p b\u1ea3o v\u1ec7 b\u1ea5t th\u01b0\u1eddng tr\u01b0\u1edbc khi \u0111\u01b0a thi\u1ebft b\u1ecb tr\u1edf l\u1ea1i ho\u1ea1t \u0111\u1ed9ng. M\u1ed9t ph\u1ea7n t\u1eed b\u1ecb h\u1ecfng c\u00f3 th\u1ec3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u00e1ch ri\u00eang ra trong khi ph\u1ea7n t\u1eed c\u00f2n ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng, nh\u01b0ng k\u1ebf ho\u1ea1ch chuy\u1ec3n m\u1ea1ch ph\u1ea3i \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t v\u00e0 c\u00e1p b\u1ecb l\u1ed7i ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn l\u00e0 \u0111\u00e3 ch\u1ebft.<\/p><p>Khi \u0111\u1ecbnh r\u00f5 c\u1ea5u h\u00ecnh RMU, h\u00e3y y\u00eau c\u1ea7u cung c\u1ea5p c\u00e1c ch\u1ee9ng t\u1eeb v\u1ec1 th\u1eed nghi\u1ec7m lo\u1ea1i, h\u1ed3 s\u01a1 th\u1eed nghi\u1ec7m th\u00f4ng th\u01b0\u1eddng, ph\u00e2n lo\u1ea1i theo d\u00f2ng \u0111i\u1ec7n b\u00ean trong khi c\u1ea7n thi\u1ebft, t\u00ednh s\u1eb5n c\u00f3 c\u00e1c ph\u1ee5 t\u00f9ng thay th\u1ebf, th\u1eddi gian \u0111\u00e1p \u1ee9ng d\u1ecbch v\u1ee5 v\u00e0 h\u01b0\u1edbng d\u1eabn v\u1ec1 vi\u1ec7c ng\u1eebng ho\u1ea1t \u0111\u1ed9ng. So s\u00e1nh t\u1ed5ng chi ph\u00ed l\u1eafp \u0111\u1eb7t\u2014ph\u1ee5 ki\u1ec7n c\u00e1p, c\u00f4ng t\u00e1c d\u00e2n d\u1ee5ng, b\u1ea3o v\u1ec7, gi\u00e1m s\u00e1t v\u00e0 \u0111\u00e0o t\u1ea1o\u2014kh\u00f4ng ch\u1ec9 l\u00e0 gi\u00e1 c\u1ee7a thi\u1ebft b\u1ecb \u0111\u00f3ng h\u1ed9p. Nh\u1eefng ki\u1ec3m tra n\u00e0y gi\u00fap gi\u1ea3m thi\u1ec3u r\u1ee7i ro khi ch\u1ecdn m\u1ed9t thi\u1ebft b\u1ecb nh\u1ecf g\u1ecdn kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c b\u1ea3o tr\u00ec an to\u00e0n trong m\u1ea1ng l\u01b0\u1edbi th\u1ef1c t\u1ebf.<\/p>\n<h2>Video k\u1ef9 thu\u1eadt trung l\u1eadp<\/h2><p>Video gi\u00e1o d\u1ee5c mang t\u00ednh trung l\u1eadp n\u00e0y cung c\u1ea5p th\u00f4ng tin c\u01a1 b\u1ea3n v\u1ec1 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a thi\u1ebft b\u1ecb chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec7n \u00e1p trung th\u1ebf. H\u00e3y s\u1eed d\u1ee5ng c\u00e1c b\u1ea3n v\u1ebd d\u1ef1 \u00e1n, h\u01b0\u1edbng d\u1eabn s\u1ea3n xu\u1ea5t v\u00e0 quy tr\u00ecnh c\u1ee7a ng\u01b0\u1eddi c\u00f3 tr\u00ecnh \u0111\u1ed9 chuy\u00ean m\u00f4n \u0111\u1ec3 v\u1eadn h\u00e0nh thi\u1ebft b\u1ecb RMU th\u1ef1c t\u1ebf.<\/p><iframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube-nocookie.com\/embed\/4oRT7PoXSS0\" title=\"Nguy\u00ean t\u1eafc ho\u1ea1t \u0111\u1ed9ng c\u1ee7a thi\u1ebft b\u1ecb chuy\u1ec3n m\u1ea1ch \u0111i\u1ec7n \u00e1p trung b\u00ecnh\" loading=\"lazy\" allowfullscreen><\/iframe><p>Cu\u1ed1i c\u00f9ng, h\u00e3y ghi l\u1ea1i c\u00e1c \u0111i\u1ec3m m\u1edf th\u00f4ng th\u01b0\u1eddng, \u0111\u01b0\u1eddng c\u1ea5p \u0111i\u1ec7n d\u1ef1 ph\u00f2ng, c\u00e1c \u0111i\u1ec3m n\u1ed1i \u0111\u1ea5t v\u00e0 quy\u1ec1n \u0111i\u1ec1u khi\u1ec3n c\u00f4ng t\u1eafc tr\u00ean m\u1ed9t s\u01a1 \u0111\u1ed3 m\u1ea1ng \u0111\u01a1n gi\u1ea3n. M\u1ed9t s\u01a1 \u0111\u1ed3 r\u00f5 r\u00e0ng s\u1ebd gi\u00fap nh\u00e2n vi\u00ean b\u1ea3o tr\u00ec kh\u00f4i ph\u1ee5c ngu\u1ed3n c\u1ea5p \u0111i\u1ec7n m\u00e0 kh\u00f4ng c\u1ea7n v\u00f4 t\u00ecnh ng\u1eaft hai ngu\u1ed3n. Bao g\u1ed3m s\u1ed1 s\u00ea-ri c\u1ee7a m\u00e1y RMU, c\u00e1c m\u00e3 nh\u1eadn d\u1ea1ng c\u00e1p, c\u00e0i \u0111\u1eb7t b\u1ea3o v\u1ec7 v\u00e0 ng\u00e0y th\u1eed nghi\u1ec7m m\u1edbi nh\u1ea5t \u0111\u1ec3 \u0111\u1ed9i ng\u0169 k\u1ef9 thu\u1eadt c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u00fang khoang tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u c\u00f4ng vi\u1ec7c.<\/p>","protected":false},"excerpt":{"rendered":"<p>Ring main units (RMUs) in electrical distribution are compact medium-voltage assemblies used to switch, protect and sectionalize ring or radial feeders. An RMU normally combines load-break switches, an earth switch,\u2026<\/p>","protected":false},"author":6,"featured_media":3962,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[53],"tags":[76,75],"class_list":["post-3428","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-switchgear-protection","tag-medium-voltage-switchgear","tag-switchgear"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/lbajiele.com\/vi\/wp-json\/wp\/v2\/posts\/3428","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=3428"}],"version-history":[{"count":4,"href":"https:\/\/lbajiele.com\/vi\/wp-json\/wp\/v2\/posts\/3428\/revisions"}],"predecessor-version":[{"id":3765,"href":"https:\/\/lbajiele.com\/vi\/wp-json\/wp\/v2\/posts\/3428\/revisions\/3765"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lbajiele.com\/vi\/wp-json\/wp\/v2\/media\/3962"}],"wp:attachment":[{"href":"https:\/\/lbajiele.com\/vi\/wp-json\/wp\/v2\/media?parent=3428"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lbajiele.com\/vi\/wp-json\/wp\/v2\/categories?post=3428"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lbajiele.com\/vi\/wp-json\/wp\/v2\/tags?post=3428"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}