{"id":5559,"date":"2023-11-23T08:26:12","date_gmt":"2023-11-23T01:26:12","guid":{"rendered":"http:\/\/mese.vn\/?p=5559"},"modified":"2023-11-23T08:26:26","modified_gmt":"2023-11-23T01:26:26","slug":"giai-phap-xac-dinh-khoang-cach-loi-bang-thiet-bi-ghi-loi-dien-tu-digital-fault-recorder","status":"publish","type":"post","link":"https:\/\/tofu.isoinaction.com\/mesevn\/vi\/giai-phap-xac-dinh-khoang-cach-loi-bang-thiet-bi-ghi-loi-dien-tu-digital-fault-recorder.html","title":{"rendered":"GI\u1ea2I PH\u00c1P X\u00c1C \u0110\u1ecaNH KHO\u1ea2NG C\u00c1CH L\u1ed6I B\u1eb0NG THI\u1ebeT B\u1eca GHI L\u1ed6I \u0110I\u1ec6N T\u1eec (DIGITAL FAULT RECORDER)"},"content":{"rendered":"

1. Th\u1ef1c tr\u1ea1ng \u0111\u01b0\u1eddng d\u00e2y truy\u1ec1n t\u1ea3i<\/strong><\/p>\n

\u0110\u1ed1i v\u1edbi hi\u1ec7n tr\u1ea1ng \u0111\u01b0\u1eddng d\u00e2y truy\u1ec1n t\u1ea3i 35\/6kV, tuy\u1ebfn \u0111\u01b0\u1eddng d\u00e2y c\u00f3 nhi\u1ec1u \u0111o\u1ea1n \u0111i qua \u0111\u1ecba h\u00ecnh r\u1eebng r\u1eadm n\u00ean v\u00e0o m\u00f9a m\u01b0a b\u00e3o, gi\u00f3 l\u1edbn v\u00e0 gi\u00f4ng s\u00e9t, c\u00e2y \u0111\u1ed5 c\u00f3 th\u1ec3 g\u00e2y ra s\u1ef1 c\u1ed1 tr\u00ean \u0111\u01b0\u1eddng d\u00e2y l\u00e0m \u0111\u1ee9t c\u00e1p, h\u1edf c\u00e1p,… d\u1eabn \u0111\u1ebfn ch\u1ea1m \u0111\u1ea5t. B\u00ean c\u1ea1nh \u0111\u00f3, c\u00e1c c\u00e2y cao n\u1eb1m g\u1ea7n h\u00e0nh lang \u0111\u01b0\u1eddng d\u00e2y \u0111\u1ec1u c\u00f3 nguy c\u01a1 g\u00e2y ch\u1ea1m, ch\u1eadp d\u1eabn \u0111\u1ebfn m\u1ea5t an to\u00e0n.<\/p>\n

Khi x\u1ea3y ra s\u1ef1 c\u1ed1, vi\u1ec7c x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed l\u1ed7i v\u00e0 kh\u1eafc ph\u1ee5c c\u0169ng g\u1eb7p ph\u1ea3i nhi\u1ec1u kh\u00f3 kh\u0103n do kh\u00f4ng c\u00f3 thi\u1ebft b\u1ecb hay ph\u01b0\u01a1ng ph\u00e1p n\u00e0o h\u1ed7 tr\u1ee3. C\u00e1c nh\u00e2n vi\u00ean v\u1eadn h\u00e0nh, b\u1ea3o tr\u00ec ph\u1ea3i \u0111i d\u00f2, ki\u1ec3m tra to\u00e0n b\u1ed9 l\u1ed9 d\u00e2y x\u1ea3y ra s\u1ef1 c\u1ed1 g\u00e2y ra ch\u1eadm tr\u1ec5 trong kh\u1eafc ph\u1ee5c v\u00e0 l\u00e0m t\u0103ng th\u1eddi gian gi\u00e1n \u0111o\u1ea1n v\u1eadn h\u00e0nh. Vi\u1ec7c n\u00e0y s\u1ebd g\u00e2y ra thi\u1ec7t h\u1ea1i v\u1ec1 kinh t\u1ebf cho nh\u00e0 m\u00e1y c\u0169ng nh\u01b0 l\u00e3ng ph\u00ed nh\u00e2n l\u1ef1c trong vi\u1ec7c t\u00ecm ki\u1ebfm, x\u00e1c \u0111\u1ecbnh l\u1ed7i.<\/p>\n

2. Gi\u1ea3i ph\u00e1p x\u00e1c \u0111\u1ecbnh kho\u1ea3ng c\u00e1ch l\u1ed7i<\/strong><\/p>\n

–\u00a0Gi\u1ea3i ph\u00e1p ti\u1ebft ki\u1ec7m\u00a0<\/strong>b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb ghi l\u1ed7i k\u1ef9 thu\u1eadt s\u1ed1 ph\u00e2n t\u00e1n.<\/p>\n

–\u00a0Gi\u1ea3m thi\u1ec3u th\u1eddi gian ch\u1ebft\u00a0<\/strong>sau s\u1ef1 c\u1ed1 b\u1eb1ng c\u00e1ch x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed l\u1ed7i ch\u00ednh x\u00e1c nh\u1eb1m gi\u00fap \u0111\u1ed9i b\u1ea3o tr\u00ec, b\u1ea3o d\u01b0\u1ee1ng kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1.<\/p>\n

–\u00a0L\u1eafp \u0111\u1eb7t \u0111\u01a1n gi\u1ea3n<\/strong>: Kh\u00f4ng c\u1ea7n c\u1eaft \u0111i\u1ec7n d\u1eebng v\u1eadn h\u00e0nh khi l\u1eafp \u0111\u1eb7t.<\/p>\n

2.1. Gi\u1ea3m thi\u1ec3u th\u1eddi gian d\u1eebng ho\u1ea1t \u0111\u1ed9ng & thi\u1ec7t h\u1ea1i<\/strong><\/p>\n

M\u1ea5t \u0111i\u1ec7n c\u00f3 th\u1ec3 g\u00e2y ra thi\u1ec7t h\u1ea1i n\u1eb7ng n\u1ec1 h\u00e0ng tri\u1ec7u \u0111\u00f4 la. Th\u00f4ng th\u01b0\u1eddng nguy\u00ean nh\u00e2n c\u1ee7a nh\u1eefng l\u1ea7n m\u1ea5t \u0111i\u1ec7n n\u00e0y l\u00e0 do c\u00e1c s\u1ef1 c\u1ed1 v\u1ec1 d\u00f2ng \u0111i\u1ec7n kh\u00e1c nhau. Gi\u1ea3m thi\u1ec3u th\u1eddi gian d\u1eebng ho\u1ea1t \u0111\u1ed9ng v\u00e0 ti\u1ebft ki\u1ec7m \u0111\u00e1ng k\u1ec3, vi\u1ec7c n\u00e0y ph\u1ee5 thu\u1ed9c r\u1ea5t nhi\u1ec1u v\u00e0o t\u1ed1c \u0111\u1ed9 x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed l\u1ed7i th\u1ef1c t\u1ebf.\u00a0 SATEC gi\u1edbi thi\u1ec7u gi\u1ea3i ph\u00e1p k\u1ef9 thu\u1eadt ph\u00e1t hi\u1ec7n l\u1ed7i, x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed l\u1ed7i v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao nh\u1ea5t.<\/p>\n

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H\u00ecnh 1: X\u00e1c \u0111\u1ecbnh kho\u1ea3ng c\u00e1ch l\u1ed7i v\u1edbi thi\u1ebft b\u1ecb PM180 c\u1ee7a h\u00e3ng SATEC\/Israel<\/em><\/p>\n

2.1.1. M\u1ea5t \u0111i\u1ec7n v\u00e0 chi ph\u00ed t\u1ed5n th\u1ea5t<\/strong><\/p>\n

M\u1ea5t \u0111i\u1ec7n quy m\u00f4 l\u1edbn g\u00e2y thi\u1ec7t h\u1ea1i h\u00e0ng tri\u1ec7u, th\u1eadm ch\u00ed h\u00e0ng t\u1ef7 \u0111\u00f4 la. V\u00ed d\u1ee5, thi\u1ec7t h\u1ea1i t\u00e0i ch\u00ednh c\u1ee7a s\u1ef1 c\u1ed1 m\u1ea5t \u0111i\u1ec7n n\u0103m 2003 \u1edf \u00dd, k\u00e9o d\u00e0i t\u1eeb 3-16 gi\u1edd, \u01b0\u1edbc t\u00ednh l\u00ean t\u1edbi h\u01a1n 1 t\u1ef7 euro (1.182 tri\u1ec7u euro).<\/p>\n

\u0110\u01b0\u01a1ng nhi\u00ean, kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c s\u1ef1 c\u1ed1 m\u1ea5t \u0111i\u1ec7n \u0111\u1ec1u \u1edf quy m\u00f4 qu\u1ed1c gia. Tuy nhi\u00ean, t\u1eeb quy m\u00f4 l\u1edbn \u0111\u1ebfn c\u1ee5c b\u1ed9, m\u1ed7i l\u1ea7n m\u1ea5t \u0111i\u1ec7n \u0111\u1ec1u d\u1eabn \u0111\u1ebfn t\u1ed5n th\u1ea5t v\u1ec1 doanh thu cho nh\u00e0 \u0111i\u1ec1u h\u00e0nh h\u1ec7 th\u1ed1ng, gi\u1ea3m n\u0103ng su\u1ea5t v\u00e0 thi\u1ec7t h\u1ea1i cho c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee5 thu\u1ed9c v\u00e0o \u0111i\u1ec7n trong khu v\u1ef1c th\u01b0\u01a1ng m\u1ea1i v\u00e0 t\u01b0 nh\u00e2n.<\/p>\n

2.1.2. T\u1ed1c \u0111\u1ed9 l\u00e0 ch\u00eca kh\u00f3a kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1<\/strong><\/p>\n

Khi x\u1ea3y ra s\u1ef1 c\u1ed1 m\u1ea5t \u0111i\u1ec7n, m\u1ee5c ti\u00eau ch\u00ednh l\u00e0 s\u1eeda ch\u1eefa kh\u1eafc ph\u1ee5c v\u00e0 c\u1ea5p \u0111i\u1ec7n tr\u1edf l\u1ea1i k\u1ecbp th\u1eddi.<\/p>\n

Nguy\u00ean nh\u00e2n h\u00e0ng \u0111\u1ea7u g\u00e2y m\u1ea5t \u0111i\u1ec7n l\u00e0 do d\u00f2ng \u0111i\u1ec7n s\u1ef1 c\u1ed1, trong \u0111\u00f3 ng\u1eafn m\u1ea1ch gi\u1eefa c\u00e1c pha ho\u1eb7c s\u1ef1 c\u1ed1 ch\u1ea1m \u0111\u1ea5t khi\u1ebfn d\u00f2ng \u0111i\u1ec7n t\u0103ng v\u1ecdt m\u1ed9t c\u00e1ch nguy hi\u1ec3m, l\u00e0m trip relay b\u1ea3o v\u1ec7, d\u1eabn \u0111\u1ebfn m\u1ea5t \u0111i\u1ec7n. Nh\u1eefng s\u1ef1 ki\u1ec7n nh\u01b0 v\u1eady c\u00f3 th\u1ec3 do \u0111\u1ee9t \u0111\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n ho\u1eb7c \u0111o\u1ea3n m\u1ea1ch gi\u1eefa c\u00e1c pha.<\/p>\n

Nhanh ch\u00f3ng x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed v\u00e0 kh\u1eafc ph\u1ee5c \u0111i\u1ec3m g\u1ed1c c\u1ee7a s\u1ef1 c\u1ed1 x\u1ea3y ra l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 c\u00f3 \u0111i\u1ec7n tr\u1edf l\u1ea1i.<\/p>\n

2.2. Gi\u1ea3i ph\u00e1p c\u1ee7a h\u00e3ng SATEC<\/strong><\/p>\n

2.2.1. PM180 – Thi\u1ebft b\u1ecb ghi l\u1ed7i \u0111i\u1ec7n t\u1eed (Digital Fault Recorder – DFR)<\/strong><\/p>\n

\u0110\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y, SATEC \u0111\u00e3 ph\u00e1t tri\u1ec3n ch\u1ee9c n\u0103ng \u0111\u1ecbnh v\u1ecb l\u1ed7i. B\u1eb1ng c\u00e1ch cho ph\u00e9p nh\u00e0 \u0111i\u1ec1u h\u00e0nh l\u01b0\u1edbi \u0111i\u1ec7n x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd c\u1ee7a l\u1ed7i trong \u0111\u01b0\u1eddng d\u00e2y tr\u00ean cao, th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3m thi\u1ec3u \u0111\u00e1ng k\u1ec3. \u0110\u1ed9i ng\u0169 b\u1ea3o tr\u00ec s\u1ebd \u0111\u01b0\u1ee3c \u0111i\u1ec1u h\u01b0\u1edbng \u0111\u1ebfn hi\u1ec7n tr\u01b0\u1eddng m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c, gi\u00fap ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 ngu\u1ed3n l\u1ef1c.<\/p>\n

Gi\u1ea3i ph\u00e1p n\u00e0y d\u1ef1a tr\u00ean m\u00e1y ph\u00e2n t\u00edch ch\u1ea5t l\u01b0\u1ee3ng \u0111i\u1ec7n \u0111a ch\u1ee9c n\u0103ng PM180 c\u1ee7a SATEC. \u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf nh\u01b0 m\u1ed9t module, PM180 \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p module Digital fault recorder. Module n\u00e0y c\u00f3 c\u00e1c \u0111\u1ea7u v\u00e0o d\u00f2ng \u0111i\u1ec7n, c\u00f3 th\u1ec3 ghi l\u1ea1i c\u00e1c gi\u00e1 tr\u1ecb d\u00f2ng \u0111i\u1ec7n l\u1edbn g\u1ea5p 40 l\u1ea7n d\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c, cho ph\u00e9p ghi l\u1ea1i to\u00e0n b\u1ed9 d\u1ea1ng s\u00f3ng d\u00f2ng \u0111i\u1ec7n s\u1ef1 c\u1ed1, ghi s\u1ef1 ki\u1ec7n v\u00e0 ch\u1ee5p d\u1ea1ng s\u00f3ng l\u00ean \u0111\u1ebfn 20 chu k\u1ef3 tr\u01b0\u1edbc l\u1ed7i.<\/p>\n

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H\u00ecnh 2: Tr\u1edf kh\u00e1ng c\u00e0i \u0111\u1eb7t tr\u00ean ph\u1ea7n m\u1ec1m PAS<\/em><\/p>\n

T\u00ednh n\u0103ng v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh:<\/strong><\/p>\n

– C\u1ea3nh b\u00e1o\/ b\u00e1o c\u00e1o kho\u1ea3ng c\u00e1ch l\u1ed7i v\u00e0 d\u1eef li\u1ec7u tr\u1edf kh\u00e1ng khi x\u1ea3y ra l\u1ed7i.<\/p>\n

– L\u01b0u tr\u1eef d\u1eef li\u1ec7u kho\u1ea3ng c\u00e1ch l\u1ed7i tr\u00ean thi\u1ebft b\u1ecb.<\/p>\n

– \u00c1p d\u1ee5ng cho h\u1ec7 th\u1ed1ng \u0111i\u1ec7n trong d\u1ea3i 6-220kV.<\/strong><\/p>\n

– H\u1ed7 tr\u1ee3 c\u00e1c line m\u1ea1ch \u0111\u01a1n v\u00e0 line m\u1ea1ch song song v\u00e0 line m\u00e1y bi\u1ebfn \u00e1p.<\/p>\n

– Ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ecbnh v\u1ecb s\u1ef1 c\u1ed1 m\u1ed9t \u0111\u1ea7u v\u00e0 s\u1ef1 c\u1ed1 hai \u0111\u1ea7u.<\/p>\n

– H\u1ed7 tr\u1ee3 c\u00e1c \u0111\u01b0\u1eddng d\u00e2y kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t, ph\u00e2n b\u1ed5 tr\u1edf kh\u00e1ng kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u d\u1ecdc theo \u0111\u01b0\u1eddng d\u00e2y.<\/p>\n

2.2.2 L\u1eafp \u0111\u1eb7t kh\u00f4ng g\u00e2y gi\u00e1n \u0111o\u1ea1n c\u1ea5p \u0111i\u1ec7n<\/strong><\/p>\n

\u0110\u1ed1i v\u1edbi k\u1ebft n\u1ed1i ph\u1ea7n c\u1ee9ng, PM180 c\u00f3 l\u1ee3i th\u1ebf \u0111\u1ed9c \u0111\u00e1o v\u00e0 \u0111\u01a1n gi\u1ea3n trong tri\u1ec3n khai. \u0110i\u1ec1u n\u00e0y \u0111\u1ebfn t\u1eeb bi\u1ebfn d\u00f2ng \u0111\u1ed9 ch\u00ednh x\u00e1c cao (HACS – High Accuracy Current Sensors), bi\u1ebfn d\u00f2ng c\u00f3 t\u00f9y ch\u1ecdn d\u1ea1ng k\u1eb9p\/split core. Thi\u1ebft b\u1ecb ph\u00e2n t\u00edch l\u1ea5y d\u1eef li\u1ec7u d\u00f2ng \u0111i\u1ec7n th\u00f4ng qua th\u1ee9 c\u1ea5p c\u1ee7a CT hi\u1ec7n h\u1eefu. Do \u0111\u00f3, kh\u00f4ng c\u1ea7n c\u1eaft \u0111i\u1ec7n \u0111\u1ec3 l\u1eafp \u0111\u1eb7t thi\u1ebft b\u1ecb.<\/p>\n

2.2.3. T\u00ednh to\u00e1n d\u1ef1a tr\u00ean tr\u1edf kh\u00e1ng<\/strong><\/p>\n

Thi\u1ebft b\u1ecb \u0111\u1ecbnh v\u1ecb l\u1ed7i s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ecbnh v\u1ecb l\u1ed7i d\u1ef1a tr\u00ean tr\u1edf kh\u00e1ng. Thi\u1ebft b\u1ecb d\u1ef1a v\u00e0o c\u00e1c th\u00f4ng s\u1ed1, d\u1ea1ng s\u00f3ng c\u1ee7a d\u00f2ng \u0111i\u1ec7n, \u0111i\u1ec7n \u00e1p \u0111\u01b0\u1ee3c ghi l\u1ea1i t\u1ea1i th\u1eddi \u0111i\u1ec3m x\u1ea3y ra s\u1ef1 c\u1ed1 v\u00e0 th\u00f4ng s\u1ed1 tr\u1edf kh\u00e1ng \u0111\u01b0\u1eddng d\u00e2y do ng\u01b0\u1eddi d\u00f9ng cung c\u1ea5p, t\u1eeb \u0111\u00f3 t\u00ednh ra kho\u1ea3ng c\u00e1ch \u0111\u1ebfn l\u1ed7i. T\u00ednh to\u00e1n tr\u1edf kh\u00e1ng s\u1eed d\u1ee5ng th\u00f4ng s\u1ed1 \u0111i\u1ec7n \u00e1p v\u00e0 d\u00f2ng \u0111i\u1ec7n pha \u0111\u1ed3ng b\u1ed9 ho\u1eb7c c\u00e1c th\u00e0nh ph\u1ea7n th\u1ee9 t\u1ef1, t\u00f9y thu\u1ed9c v\u00e0o ph\u01b0\u01a1ng ph\u00e1p x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed s\u1ef1 c\u1ed1 v\u00e0 lo\u1ea1i s\u1ef1 c\u1ed1 tr\u00ean \u0111\u01b0\u1eddng d\u00e2y.<\/p>\n

2.3. C\u00e1c lo\u1ea1i l\u1ed7i v\u00e0 t\u00ednh to\u00e1n t\u01b0\u01a1ng \u1ee9ng<\/strong><\/p>\n

2.3.1. S\u1ef1 c\u1ed1 m\u1ed9t \u0111\u1ea7u – Single Ended Fault<\/strong><\/p>\n

V\u1ecb tr\u00ed c\u1ee7a l\u1ed7i m\u1ed9t \u0111\u1ea7u \u0111\u01b0\u1ee3c cung c\u1ea5p b\u1edfi m\u1ed9t thi\u1ebft b\u1ecb \u0111o duy nh\u1ea5t \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi m\u1ed9t \u0111\u1ea7u c\u1ee7a \u0111\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n. C\u00e1c thu\u1eadt to\u00e1n x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed s\u1ef1 c\u1ed1 m\u1ed9t \u0111\u1ea7u s\u1eed d\u1ee5ng c\u00e1c ph\u00e9p \u0111o m\u1ed9t \u0111i\u1ec3m v\u00e0 d\u1ef1a v\u00e0o tr\u1edf kh\u00e1ng s\u1ef1 c\u1ed1 khi n\u00f3 \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n t\u1eeb m\u1ed9t \u0111\u1ea7u c\u1ee7a \u0111\u01b0\u1eddng d\u00e2y. C\u00e1c thu\u1eadt to\u00e1n n\u00e0y r\u1ea5t nh\u1ea1y c\u1ea3m v\u1edbi c\u00e1c \u0111\u1eb7c t\u00ednh c\u1ee7a \u0111\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n, c\u0169ng nh\u01b0 t\u00e1c \u0111\u1ed9ng c\u1ee7a c\u00e1c s\u1ef1 c\u1ed1, g\u00e2y ra b\u1edfi s\u1ef1 gh\u00e9p n\u1ed1i t\u01b0\u01a1ng h\u1ed7 v\u00e0 s\u1ef1 c\u1ed1 ch\u1ea1m \u0111\u1ea5t.<\/p>\n

\"\"<\/p>\n

H\u00ecnh 3: B\u00e1o c\u00e1o l\u1ed7i tr\u00ean ph\u1ea7n m\u1ec1m Expert Power<\/em><\/p>\n

2.3.2. S\u1ef1 c\u1ed1 hai \u0111\u1ea7u – Two-Ended Fault<\/strong><\/p>\n

T\u00ednh to\u00e1n kho\u1ea3ng c\u00e1ch s\u1ef1 c\u1ed1 hai \u0111\u1ea7u d\u1ef1a tr\u00ean d\u1eef li\u1ec7u s\u1ef1 c\u1ed1 \u0111\u01b0\u1ee3c \u0111o b\u1edfi hai thi\u1ebft b\u1ecb ghi s\u1ef1 c\u1ed1 n\u1eb1m \u1edf c\u1ea3 hai b\u00ean c\u1ee7a \u0111\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n. C\u00e1c thi\u1ebft b\u1ecb trao \u0111\u1ed5i th\u00f4ng tin l\u1ed7i \u0111o \u0111\u01b0\u1ee3c qua Internet v\u00e0 c\u1ea3 hai \u0111\u1ec1u t\u00ednh to\u00e1n kho\u1ea3ng c\u00e1ch b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c \u0111\u1ea1i l\u01b0\u1ee3ng th\u1ee9 t\u1ef1 d\u01b0\u01a1ng ho\u1eb7c \u00e2m, \u0111\u1ec3 n\u00e2ng cao \u0111\u1ed9 ch\u00ednh x\u00e1c.<\/p>\n

2.3.3. \u0110\u1ed3ng b\u1ed9 h\u00f3a th\u1eddi gian cho v\u1ecb tr\u00ed s\u1ef1 c\u1ed1 hai \u0111\u1ea7u<\/strong><\/p>\n

Hai thi\u1ebft b\u1ecb trao \u0111\u1ed5i \u0111i\u1ec7n \u00e1p v\u00e0 d\u00f2ng \u0111i\u1ec7n pha \u0111\u01b0\u1ee3c k\u00e8m theo th\u1eddi gian ch\u00ednh x\u00e1c \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u1ea3 2 thi\u1ebft b\u1ecb \u0111\u1ec1u \u0111ang \u0111\u1ec1 c\u1eadp \u0111\u1ebfn m\u1ed9t s\u1ef1 ki\u1ec7n l\u1ed7i.<\/p>\n

\u0110\u1ec3 li\u00ean l\u1ea1c gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb, c\u00e1c thi\u1ebft b\u1ecb ph\u1ea3i \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi Ethernet ho\u1eb7c v\u1edbi m\u1ea1ng di \u0111\u1ed9ng kh\u00f4ng d\u00e2y. C\u1ed5ng UDP 502 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 trao \u0111\u1ed5i tin nh\u1eafn gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb.<\/p>\n

\u0110\u1ed3ng b\u1ed9 h\u00f3a th\u1eddi gian c\u1ee7a c\u00e1c pha l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng trong t\u00ednh to\u00e1n kho\u1ea3ng c\u00e1ch ch\u00ednh x\u00e1c. S\u1eed d\u1ee5ng \u0111\u1ed3ng b\u1ed9 h\u00f3a th\u1eddi gian GPS r\u1ea5t \u0111\u01b0\u1ee3c khuy\u1ebfn kh\u00edch v\u00e0 b\u1eaft bu\u1ed9c khi truy\u1ec1n th\u00f4ng qua m\u1ea1ng di \u0111\u1ed9ng. Trong tr\u01b0\u1eddng h\u1ee3p truy\u1ec1n th\u00f4ng \u0111\u01b0\u1ee3c cung c\u1ea5p qua Ethernet nhanh, \u0111\u1ea3m b\u1ea3o r\u1eb1ng th\u1eddi gian truy\u1ec1n th\u00f4ng b\u00e1o \u1ed5n \u0111\u1ecbnh, th\u00ec kh\u00f4ng c\u1ea7n \u0111\u1ed3ng b\u1ed9 h\u00f3a \u0111\u1ed3ng h\u1ed3 ch\u00ednh x\u00e1c.<\/p>\n

2.4. C\u1ea3nh b\u00e1o tr\u1ef1c ti\u1ebfp<\/strong><\/p>\n

B\u1ed9 \u0111\u1ecbnh v\u1ecb l\u1ed7i t\u00edch h\u1ee3p PM180 cung c\u1ea5p th\u00f4ng tin kho\u1ea3ng c\u00e1ch \u0111\u1ebfn l\u1ed7i trong th\u1eddi gian th\u1ef1c. N\u00f3 ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean c\u00e1c s\u1ef1 ki\u1ec7n l\u1ed7i \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n v\u00e0 ghi l\u1ea1i b\u1edfi thi\u1ebft b\u1ecb ghi l\u1ed7i k\u1ef9 thu\u1eadt s\u1ed1 PM180 ngay khi c\u00e1c s\u1ef1 ki\u1ec7n x\u1ea3y ra.<\/p>\n

\"\"<\/p>\n

H\u00ecnh 4: Thi\u1ebft b\u1ecb \u0111\u1ecbnh v\u1ecb l\u1ed7i trong ph\u1ea7n m\u1ec1m PAS<\/em><\/p>\n

2.5. Ph\u00e2n t\u00edch kho\u1ea3ng c\u00e1ch ngo\u1ea1i tuy\u1ebfn<\/strong><\/p>\n

L\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p thay th\u1ebf, ph\u1ea7n m\u1ec1m PAS c\u1ee7a SATEC cung c\u1ea5p m\u1ed9t b\u1ed9 \u0111\u1ecbnh v\u1ecb l\u1ed7i \u0111\u1ed9c l\u1eadp c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n t\u00ednh to\u00e1n kho\u1ea3ng c\u00e1ch s\u1ef1 c\u1ed1 d\u1ef1a tr\u00ean d\u1ea1ng s\u00f3ng \u0111i\u1ec7n \u00e1p v\u00e0 d\u00f2ng \u0111i\u1ec7n \u0111\u01b0\u1ee3c l\u1ea5y t\u1eeb thi\u1ebft b\u1ecb PM180. N\u00f3 c\u00f3 c\u00e1c t\u00f9y ch\u1ecdn t\u01b0\u01a1ng t\u1ef1 nh\u01b0 b\u1ed9 \u0111\u1ecbnh v\u1ecb l\u1ed7i t\u00edch h\u1ee3p PM180.<\/p>\n

\"\"<\/p>\n

H\u00ecnh 5: Th\u00f4ng b\u00e1o kho\u1ea3ng c\u00e1ch l\u1ed7i th\u00f4ng qua ph\u1ea7n m\u1ec1m PAS<\/em><\/p>\n

2.6. Giao di\u1ec7n v\u00e0 b\u00e1o c\u00e1o th\u00e2n thi\u1ec7n v\u1edbi ng\u01b0\u1eddi d\u00f9ng<\/strong><\/p>\n

B\u1ed9 ph\u1ea7n m\u1ec1m Expertpower c\u1ee7a SATEC cung c\u1ea5p giao di\u1ec7n phong ph\u00fa c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh \u0111\u1ec3 t\u1ea1o b\u00e1o c\u00e1o cho t\u1eebng \u0111\u01b0\u1eddng d\u00e2y, tr\u1ea1m bi\u1ebfn \u00e1p, kho\u1ea3ng c\u00e1ch \u0111\u1ebfn s\u1ef1 c\u1ed1 v\u00e0 lo\u1ea1i s\u1ef1 c\u1ed1 (pha v\u1edbi pha, pha v\u1edbi \u0111\u1ea5t, v.v.). T\u1eeb \u0111\u00f3, cung c\u1ea5p gi\u1ea3i ph\u00e1p to\u00e0n di\u1ec7n t\u1eeb m\u00e1y ph\u00e2n t\u00edch tr\u1ea1m bi\u1ebfn \u00e1p \u0111\u1ebfn ch\u1ea9n \u0111o\u00e1n v\u00e0 c\u1ea3nh b\u00e1o l\u1ed7i.<\/p>\n

2.7. Thi\u1ebft b\u1ecb ph\u00e2n t\u00edch ch\u1ea5t l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng PM180<\/strong><\/p>\n

\"\"<\/p>\n

H\u00ecnh 6: Thi\u1ebft b\u1ecb ph\u00e2n t\u00edch ch\u1ea5t l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng PM180<\/em><\/p>\n

PM180 l\u00e0 m\u00e1y ph\u00e2n t\u00edch ch\u1ea5t l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn Class A (NMI, NL). N\u00f3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf nh\u01b0 m\u1ed9t thi\u1ebft b\u1ecb module, ch\u1ee9a t\u1ed1i \u0111a 3 module b\u1ed5 sung cho ph\u00e9p th\u1ef1c hi\u1ec7n nhi\u1ec1u ch\u1ee9c n\u0103ng v\u00e0 t\u00ednh n\u0103ng n\u1ed5i b\u1eadt, bao g\u1ed3m:<\/p>\n

– T\u1ea1o b\u00e1o c\u00e1o theo ti\u00eau chu\u1ea9n EN50160 \/ IEEE 1149.<\/p>\n

– Ch\u1ee9c n\u0103ng \u0111o l\u01b0\u1eddng \u0111\u1ed3ng b\u1ed9 pha, theo IEEE C37.118, P-Class v\u00e0 M-Class.<\/p>\n

– \u0110i\u1ec1u khi\u1ec3n PLC th\u00f4ng qua t\u1ed1i \u0111a 48 c\u1ed5ng I\/O digital v\u00e0 analog.<\/p>\n

– Kh\u1ea3 n\u0103ng ghi l\u1ea1i c\u00e1c s\u1ef1 ki\u1ec7n tho\u00e1ng qua (l\u00ean t\u1edbi 1024 m\u1eabu\/chu k\u1ef3).<\/p>\n

– Nhi\u1ec1u giao th\u1ee9c truy\u1ec1n th\u00f4ng: IEC 61850; DNP3; IEC 60870-5-101\/104.<\/p>\n

– Nhi\u1ec1u ph\u01b0\u01a1ng th\u1ee9c truy\u1ec1n th\u00f4ng: serial, c\u00e1p quang, ETH, 4G.<\/p>\n

– \u0110\u1ed9 ph\u00e2n gi\u1ea3i \u0111\u1ecdc 0.00001Hz.<\/p>\n

\"\"<\/p>\n

H\u00ecnh 7: M\u1ed9t s\u1ed1 t\u00ednh n\u0103ng c\u1ee7a PM180<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

1. Th\u1ef1c tr\u1ea1ng \u0111\u01b0\u1eddng d\u00e2y truy\u1ec1n t\u1ea3i \u0110\u1ed1i v\u1edbi hi\u1ec7n tr\u1ea1ng \u0111\u01b0\u1eddng d\u00e2y truy\u1ec1n t\u1ea3i 35\/6kV, tuy\u1ebfn \u0111\u01b0\u1eddng d\u00e2y c\u00f3 nhi\u1ec1u \u0111o\u1ea1n \u0111i qua \u0111\u1ecba h\u00ecnh r\u1eebng r\u1eadm n\u00ean v\u00e0o m\u00f9a m\u01b0a b\u00e3o, gi\u00f3 l\u1edbn v\u00e0 gi\u00f4ng s\u00e9t, c\u00e2y \u0111\u1ed5 c\u00f3 th\u1ec3 g\u00e2y ra s\u1ef1 c\u1ed1 tr\u00ean \u0111\u01b0\u1eddng d\u00e2y l\u00e0m \u0111\u1ee9t c\u00e1p, h\u1edf c\u00e1p,… d\u1eabn … Continue reading GI\u1ea2I PH\u00c1P X\u00c1C \u0110\u1ecaNH KHO\u1ea2NG C\u00c1CH L\u1ed6I B\u1eb0NG THI\u1ebeT B\u1eca GHI L\u1ed6I \u0110I\u1ec6N T\u1eec (DIGITAL FAULT RECORDER)<\/span> →<\/span><\/a><\/p>\n","protected":false},"author":120142,"featured_media":5612,"comment_status":"open","ping_status":"open","sticky":true,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26,25,106],"tags":[2019,2005,2001,1999,2007,1688,1672,2013,2015,2003,2009,2011,2017],"class_list":["post-5559","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-giai-phap-dien-dau-khi","category-giai-phap-nganh-mo","category-tin-tuc-vi","tag-canh-bao","tag-digital-fault-recorder","tag-khoang-cach-loi","tag-loi","tag-mat-dien","tag-pm180","tag-satec","tag-single-ended-fault","tag-su-co","tag-thiet-bi-ghi-loi","tag-ton-that","tag-tro-khang","tag-two-ended-fault"],"yoast_head":"\nGI\u1ea2I PH\u00c1P X\u00c1C \u0110\u1ecaNH KHO\u1ea2NG C\u00c1CH L\u1ed6I B\u1eb0NG THI\u1ebeT B\u1eca GHI L\u1ed6I \u0110I\u1ec6N T\u1eec (DIGITAL FAULT RECORDER) - MES Engineering<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/tofu.isoinaction.com\/mesevn\/vi\/giai-phap-xac-dinh-khoang-cach-loi-bang-thiet-bi-ghi-loi-dien-tu-digital-fault-recorder.html\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"GI\u1ea2I PH\u00c1P X\u00c1C \u0110\u1ecaNH KHO\u1ea2NG C\u00c1CH L\u1ed6I B\u1eb0NG THI\u1ebeT B\u1eca GHI L\u1ed6I \u0110I\u1ec6N T\u1eec (DIGITAL FAULT RECORDER)\" \/>\n<meta property=\"og:description\" content=\"1. 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