{"id":7173,"date":"2025-05-08T08:56:58","date_gmt":"2025-05-08T01:56:58","guid":{"rendered":"http:\/\/mese.vn\/?p=7173"},"modified":"2025-05-08T09:02:48","modified_gmt":"2025-05-08T02:02:48","slug":"ung-dung-cua-micro-pmu-trong-mang-luoi-phan-phoi-dien","status":"publish","type":"post","link":"https:\/\/tofu.isoinaction.com\/mesevn\/vi\/ung-dung-cua-micro-pmu-trong-mang-luoi-phan-phoi-dien.html","title":{"rendered":"\u1ee8NG D\u1ee4NG C\u1ee6A MICRO PMU TRONG M\u1ea0NG L\u01af\u1edaI PH\u00c2N PH\u1ed0I \u0110I\u1ec6N"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-7174\" src=\"http:\/\/mese.vn\/wp-content\/uploads\/2025\/05\/z6576456966910_1067e96acae50f0144f38f3a06845bd3-785x523.jpg\" alt=\"\" width=\"604\" height=\"402\" srcset=\"https:\/\/tofu.isoinaction.com\/mesevn\/wp-content\/uploads\/sites\/194\/2025\/05\/z6576456966910_1067e96acae50f0144f38f3a06845bd3-785x523.jpg 785w, https:\/\/tofu.isoinaction.com\/mesevn\/wp-content\/uploads\/sites\/194\/2025\/05\/z6576456966910_1067e96acae50f0144f38f3a06845bd3-527x351.jpg 527w, https:\/\/tofu.isoinaction.com\/mesevn\/wp-content\/uploads\/sites\/194\/2025\/05\/z6576456966910_1067e96acae50f0144f38f3a06845bd3.jpg 1009w\" sizes=\"auto, (max-width: 604px) 100vw, 604px\" \/><\/p>\n<p>Vi\u1ec7c qu\u1ea3n l\u00fd m\u1ea1ng l\u01b0\u1edbi ph\u00e2n ph\u1ed1i \u0111i\u1ec7n \u0111ang ng\u00e0y c\u00e0ng tr\u1edf n\u00ean ph\u1ee9c t\u1ea1p. V\u1edbi s\u1ef1 t\u00edch h\u1ee3p c\u1ee7a c\u00e1c ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o, c\u00f4ng ngh\u1ec7 l\u01b0\u1edbi \u0111i\u1ec7n th\u00f4ng minh v\u00e0 nhu c\u1ea7u ng\u00e0y c\u00e0ng t\u0103ng v\u1ec1 d\u1eef li\u1ec7u th\u1eddi gian th\u1ef1c, c\u00e1c ti\u1ec7n \u00edch c\u1ea7n c\u00e1c c\u00f4ng c\u1ee5 gi\u00e1m s\u00e1t ti\u00ean ti\u1ebfn \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh \u1ed5n \u0111\u1ecbnh, \u0111\u1ed9 tin c\u1eady v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a l\u01b0\u1edbi \u0111i\u1ec7n. H\u00e3y \u0111\u1ebfn v\u1edbi thi\u1ebft b\u1ecb \u0111o pha PMU (Micro Phasor Measurement Unit) \u2013 m\u1ed9t thi\u1ebft b\u1ecb mang t\u00ednh c\u00e1ch m\u1ea1ng c\u00f3 ti\u1ec1m n\u0103ng bi\u1ebfn \u0111\u1ed5i c\u00e1ch qu\u1ea3n l\u00fd v\u00e0 t\u1ed1i \u01b0u h\u00f3a m\u1ea1ng l\u01b0\u1edbi ph\u00e2n ph\u1ed1i \u0111i\u1ec7n.<\/p>\n<h1><a name=\"_Toc197507270\"><\/a>I.\u00a0\u00a0\u00a0 MICRO PMU L\u00c0 G\u00cc?<\/h1>\n<p>Thi\u1ebft b\u1ecb \u0111o pha (PMU) l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb \u0111i\u1ec7n ti\u00ean ti\u1ebfn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 theo d\u00f5i tr\u1ea1ng th\u00e1i c\u1ee7a l\u01b0\u1edbi \u0111i\u1ec7n theo th\u1eddi gian th\u1ef1c. C\u00e1c thi\u1ebft b\u1ecb n\u00e0y \u0111o g\u00f3c pha v\u00e0 \u0111\u1ed9 l\u1edbn c\u1ee7a d\u1ea1ng s\u00f3ng \u0111i\u1ec7n \u00e1p v\u00e0 d\u00f2ng \u0111i\u1ec7n trong m\u1ea1ng l\u01b0\u1edbi, cung c\u1ea5p th\u00f4ng tin quan tr\u1ecdng v\u1ec1 \u0111\u1eb7c t\u00ednh \u0111\u1ed9ng c\u1ee7a h\u1ec7 th\u1ed1ng \u0111i\u1ec7n. Micro PMU l\u00e0 phi\u00ean b\u1ea3n nh\u1ecf g\u1ecdn c\u1ee7a PMU \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 tri\u1ec3n khai trong c\u00e1c h\u1ec7 th\u1ed1ng l\u01b0\u1edbi \u0111i\u1ec7n nh\u1ecf h\u01a1n v\u00e0 c\u1ee5c b\u1ed9 h\u01a1n, bao g\u1ed3m c\u1ea3 l\u01b0\u1edbi \u0111i\u1ec7n ph\u00e2n ph\u1ed1i.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-7175\" src=\"http:\/\/mese.vn\/wp-content\/uploads\/2025\/05\/z6579510154051_eee8ecf4d9cbad34768a49d3d177db88.jpg\" alt=\"\" width=\"464\" height=\"353\" srcset=\"https:\/\/tofu.isoinaction.com\/mesevn\/wp-content\/uploads\/sites\/194\/2025\/05\/z6579510154051_eee8ecf4d9cbad34768a49d3d177db88.jpg 464w, https:\/\/tofu.isoinaction.com\/mesevn\/wp-content\/uploads\/sites\/194\/2025\/05\/z6579510154051_eee8ecf4d9cbad34768a49d3d177db88-461x351.jpg 461w\" sizes=\"auto, (max-width: 464px) 100vw, 464px\" \/><\/p>\n<p>B\u1eb1ng c\u00e1ch cung c\u1ea5p d\u1eef li\u1ec7u c\u00f3 \u0111\u1ed9 trung th\u1ef1c cao v\u1ec1 t\u00ecnh tr\u1ea1ng l\u01b0\u1edbi \u0111i\u1ec7n, Micro PMU \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c n\u00e2ng cao kh\u1ea3 n\u0103ng hi\u1ec3n th\u1ecb l\u01b0\u1edbi \u0111i\u1ec7n, cho ph\u00e9p ng\u01b0\u1eddi v\u1eadn h\u00e0nh th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p ch\u1ee7 \u0111\u1ed9ng \u0111\u1ec3 ng\u0103n ng\u1eeba c\u00e1c s\u1ef1 c\u1ed1 nh\u01b0 m\u1ea5t \u0111i\u1ec7n, m\u1ea5t c\u00e2n b\u1eb1ng t\u1ea7n s\u1ed1 v\u00e0 h\u1ecfng h\u00f3c thi\u1ebft b\u1ecb.<\/p>\n<h1><a name=\"_Toc197507271\"><\/a>II.\u00a0\u00a0\u00a0 T\u1ea0I SAO MICRO PMU L\u1ea0I C\u1ea6N THI\u1ebeT CHO M\u1ea0NG L\u01af\u1edaI PH\u00c2N PH\u1ed0I \u0110I\u1ec6N<\/h1>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-7176\" src=\"http:\/\/mese.vn\/wp-content\/uploads\/2025\/05\/z6579513140485_8237e92778a75b5f562d8f73fc583f81.jpg\" alt=\"\" width=\"552\" height=\"225\" \/><\/p>\n<p>Vi\u1ec7c \u1ee9ng d\u1ee5ng Micro PMU v\u00e0o m\u1ea1ng l\u01b0\u1edbi ph\u00e2n ph\u1ed1i \u0111i\u1ec7n mang l\u1ea1i m\u1ed9t s\u1ed1 l\u1ee3i th\u1ebf:<\/p>\n<p><a name=\"_Toc197507272\"><\/a>Gi\u00e1m s\u00e1t v\u00e0 \u1ed5n \u0111\u1ecbnh th\u1eddi gian th\u1ef1c: Cung c\u1ea5p d\u1eef li\u1ec7u t\u1ee9c th\u1eddi (\u0111i\u1ec7n \u00e1p, g\u00f3c pha, lu\u1ed3ng \u0111i\u1ec7n) gi\u00fap duy tr\u00ec s\u1ef1 \u1ed5n \u0111\u1ecbnh, ph\u00e1t hi\u1ec7n nhanh b\u1ea5t th\u01b0\u1eddng, ng\u0103n ng\u1eeba v\u00e0 gi\u1ea3m th\u1eddi gian m\u1ea5t \u0111i\u1ec7n.<\/p>\n<p><strong>C\u1ea3i thi\u1ec7n ph\u00e1t hi\u1ec7n &amp; \u0111\u1ecbnh v\u1ecb l\u1ed7i: <\/strong>X\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c v\u1ecb tr\u00ed l\u1ed7i nhanh h\u01a1n h\u1ec7 th\u1ed1ng truy\u1ec1n th\u1ed1ng, gi\u1ea3m th\u1eddi gian ph\u1ea3n \u1ee9ng v\u00e0 t\u00e1c \u0111\u1ed9ng s\u1ef1 c\u1ed1.<\/p>\n<p><strong>T\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t &amp; hi\u1ec7u qu\u1ea3:<\/strong> D\u1eef li\u1ec7u gi\u00fap qu\u1ea3n l\u00fd l\u01b0\u1edbi hi\u1ec7u qu\u1ea3 h\u01a1n (c\u00e2n b\u1eb1ng t\u1ea3i, t\u00edch h\u1ee3p n\u0103ng l\u01b0\u1ee3ng ph\u00e2n t\u00e1n, d\u1ef1 b\u00e1o), gi\u1ea3m t\u1ed5n th\u1ea5t n\u0103ng l\u01b0\u1ee3ng v\u00e0 n\u00e2ng cao hi\u1ec7u su\u1ea5t chung.<\/p>\n<p><strong>T\u0103ng c\u01b0\u1eddng t\u00edch h\u1ee3p n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o:<\/strong> Cung c\u1ea5p th\u00f4ng tin bi\u1ebfn \u0111\u1ed9ng theo th\u1eddi gian th\u1ef1c t\u1eeb n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o, gi\u00fap qu\u1ea3n l\u00fd v\u00e0 \u0111\u1ea3m b\u1ea3o ngu\u1ed3n cung \u1ed5n \u0111\u1ecbnh khi t\u00edch h\u1ee3p c\u00e1c ngu\u1ed3n n\u00e0y.<\/p>\n<h1><a name=\"_Toc197507273\"><\/a>III.\u00a0\u00a0\u00a0 T\u1ea0I SAO PMU PRO C\u1ee6A SATEC L\u1ea0I L\u00c0 S\u1ef0 L\u1ef0A CH\u1eccN T\u1ed0T NH\u1ea4T TR\u00caN TH\u1eca TR\u01af\u1edcNG<\/h1>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-7175\" src=\"http:\/\/mese.vn\/wp-content\/uploads\/2025\/05\/z6579510154051_eee8ecf4d9cbad34768a49d3d177db88.jpg\" alt=\"\" width=\"464\" height=\"353\" srcset=\"https:\/\/tofu.isoinaction.com\/mesevn\/wp-content\/uploads\/sites\/194\/2025\/05\/z6579510154051_eee8ecf4d9cbad34768a49d3d177db88.jpg 464w, https:\/\/tofu.isoinaction.com\/mesevn\/wp-content\/uploads\/sites\/194\/2025\/05\/z6579510154051_eee8ecf4d9cbad34768a49d3d177db88-461x351.jpg 461w\" sizes=\"auto, (max-width: 464px) 100vw, 464px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-7177\" src=\"http:\/\/mese.vn\/wp-content\/uploads\/2025\/05\/z6579524532194_a4c50b714887e587b35686906cfa3c56.jpg\" alt=\"\" width=\"922\" height=\"214\" srcset=\"https:\/\/tofu.isoinaction.com\/mesevn\/wp-content\/uploads\/sites\/194\/2025\/05\/z6579524532194_a4c50b714887e587b35686906cfa3c56.jpg 922w, https:\/\/tofu.isoinaction.com\/mesevn\/wp-content\/uploads\/sites\/194\/2025\/05\/z6579524532194_a4c50b714887e587b35686906cfa3c56-640x149.jpg 640w\" sizes=\"auto, (max-width: 922px) 100vw, 922px\" \/><\/p>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 l\u00fd do ch\u00ednh t\u1ea1i sao PMU Pro \u0111\u01b0\u1ee3c coi l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t nh\u1ea5t:<\/p>\n<p><strong>\u0110\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 chu\u1ea9n x\u00e1c cao: <\/strong>PMU Pro cung c\u1ea5p c\u00e1c ph\u00e9p \u0111o c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao v\u1edbi kh\u1ea3 n\u0103ng \u0111\u1ed3ng b\u1ed9 th\u1eddi gian tuy\u1ec7t v\u1eddi, \u0111\u1ea3m b\u1ea3o d\u1eef li\u1ec7u phasor ch\u00ednh x\u00e1c ngay c\u1ea3 trong \u0111i\u1ec1u ki\u1ec7n l\u01b0\u1edbi \u0111i\u1ec7n bi\u1ebfn \u0111\u1ed5i v\u00e0 ph\u1ee9c t\u1ea1p.<\/p>\n<p><strong>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 t\u00ednh linh ho\u1ea1t: <\/strong>C\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi quy m\u00f4 c\u1ee7a h\u1ec7 th\u1ed1ng v\u00e0 d\u1ec5 d\u00e0ng m\u1edf r\u1ed9ng khi c\u1ea7n thi\u1ebft<\/p>\n<p><strong>Nhi\u1ec1u l\u1ef1a ch\u1ecdn giao ti\u1ebfp:<\/strong> PMU Pro h\u1ed7 tr\u1ee3 nhi\u1ec1u giao th\u1ee9c truy\u1ec1n th\u00f4ng, gi\u00fap t\u01b0\u01a1ng th\u00edch v\u1edbi nhi\u1ec1u SCADA (Gi\u00e1m s\u00e1t v\u00e0 Thu th\u1eadp d\u1eef li\u1ec7u) v\u00e0 DMS (H\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd ph\u00e2n ph\u1ed1i). \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o t\u00edch h\u1ee3p li\u1ec1n m\u1ea1ch v\u1edbi c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng l\u01b0\u1edbi \u0111i\u1ec7n hi\u1ec7n c\u00f3 v\u00e0 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n chia s\u1ebb d\u1eef li\u1ec7u d\u1ec5 d\u00e0ng tr\u00ean c\u00e1c h\u1ec7 th\u1ed1ng kh\u00e1c nhau.<\/p>\n<p><strong>Thi\u1ebft k\u1ebf ch\u1eafc ch\u1eafn v\u00e0 \u0111\u00e1ng tin c\u1eady:<\/strong> c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t, cung c\u1ea5p hi\u1ec7u su\u1ea5t m\u1ea1nh m\u1ebd trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n \u0111\u1ea7y th\u00e1ch th\u1ee9c, bao g\u1ed3m nhi\u1ec7t \u0111\u1ed9 kh\u1eafc nghi\u1ec7t v\u00e0 nhi\u1ec5u \u0111i\u1ec7n t\u1eeb. \u0110i\u1ec1u n\u00e0y l\u00e0m cho n\u00f3 tr\u1edf th\u00e0nh gi\u1ea3i ph\u00e1p l\u00fd t\u01b0\u1edfng cho c\u1ea3 m\u1ea1ng l\u01b0\u1edbi ph\u00e2n ph\u1ed1i \u0111\u00f4 th\u1ecb v\u00e0 v\u00f9ng xa x\u00f4i.<\/p>\n<p><strong>Ph\u00e2n t\u00edch v\u00e0 th\u00f4ng tin chi ti\u1ebft theo th\u1eddi gian th\u1ef1c<\/strong><\/p>\n<p><strong>Tri\u1ec3n khai v\u00e0 b\u1ea3o tr\u00ec d\u1ec5 d\u00e0ng<\/strong><\/p>\n<p><strong>Tu\u00e2n th\u1ee7 to\u00e0n di\u1ec7n c\u00e1c ti\u00eau chu\u1ea9n:<\/strong> PMU Pro \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n c\u00f4ng nghi\u1ec7p m\u1edbi nh\u1ea5t v\u00e0 tu\u00e2n th\u1ee7 c\u00e1c y\u00eau c\u1ea7u gi\u00e1m s\u00e1t l\u01b0\u1edbi \u0111i\u1ec7n to\u00e0n c\u1ea7u. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c giao th\u1ee9c qu\u1ea3n l\u00fd l\u01b0\u1edbi \u0111i\u1ec7n khu v\u1ef1c v\u00e0 qu\u1ed1c t\u1ebf, bi\u1ebfn n\u00f3 th\u00e0nh m\u1ed9t c\u00f4ng c\u1ee5 \u0111a n\u0103ng cho c\u00e1c ti\u1ec7n \u00edch tr\u00ean to\u00e0n th\u1ebf gi\u1edbi.<\/p>\n<h1><a name=\"_Toc197507274\"><\/a>IV.\u00a0\u00a0\u00a0 TH\u00d4NG S\u1ed0 K\u1ef8 THU\u1eacT<\/h1>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-7178\" src=\"http:\/\/mese.vn\/wp-content\/uploads\/2025\/05\/z6579527132749_bd7cdd735cbe924a34262e1289de80ac.jpg\" alt=\"\" width=\"527\" height=\"433\" srcset=\"https:\/\/tofu.isoinaction.com\/mesevn\/wp-content\/uploads\/sites\/194\/2025\/05\/z6579527132749_bd7cdd735cbe924a34262e1289de80ac.jpg 527w, https:\/\/tofu.isoinaction.com\/mesevn\/wp-content\/uploads\/sites\/194\/2025\/05\/z6579527132749_bd7cdd735cbe924a34262e1289de80ac-427x351.jpg 427w\" sizes=\"auto, (max-width: 527px) 100vw, 527px\" \/><\/p>\n<h2><a name=\"_Toc197507275\"><\/a>B\u1ed9 \u0111o l\u01b0\u1eddng th\u00f4ng s\u1ed1 pha (Phasor Measurement Unit)<\/h2>\n<ul>\n<li>Tu\u00e2n th\u1ee7 hi\u1ec7u su\u1ea5t lo\u1ea1i P v\u00e0 lo\u1ea1i M theo c\u00e1c ti\u00eau chu\u1ea9n IEEE C37.118.1-2011, IEEE C37.118.1a-2014 v\u00e0 IEC\/IEEE 60255-118-1:2018<\/li>\n<li>C\u00e1c ph\u00e9p \u0111o phasor \u0111i\u1ec7n \u00e1p, d\u00f2ng \u0111i\u1ec7n ba pha v\u00e0 th\u1ee9 t\u1ef1 thu\u1eadn, ngh\u1ecbch tu\u00e2n th\u1ee7 IEEE C37.118.1, \u0111\u01b0\u1ee3c \u0111\u1ed3ng b\u1ed9 h\u00f3a theo tham chi\u1ebfu th\u1eddi gian UTC chung.<\/li>\n<li>C\u00e1c ph\u00e9p \u0111o t\u1ea7n s\u1ed1 \u0111\u1ed3ng b\u1ed9 v\u00e0 T\u1ed1c \u0111\u1ed9 thay \u0111\u1ed5i t\u1ea7n s\u1ed1 (ROCOF) tu\u00e2n th\u1ee7 IEEE C37.118.1.<\/li>\n<li>\u0110\u1ed3ng b\u1ed9 h\u00f3a \u0111\u1ed3ng h\u1ed3 v\u1edbi tham chi\u1ebfu th\u1eddi gian UTC s\u1eed d\u1ee5ng ngu\u1ed3n m\u00e3 th\u1eddi gian IRIG-B ho\u1eb7c ngu\u1ed3n \u0111\u1ed3ng h\u1ed3 ch\u1ee7 IEEE 1588 PTPv2.<\/li>\n<li>Truy\u1ec1n d\u1eef li\u1ec7u UDP v\u00e0 TCP client-server theo l\u1ec7nh v\u00e0 truy\u1ec1n d\u1eef li\u1ec7u UDP t\u1ef1 ph\u00e1t qua giao th\u1ee9c IP, tu\u00e2n th\u1ee7 IEEE C37.118.2.<\/li>\n<li>T\u1ed1c \u0111\u1ed9 b\u00e1o c\u00e1o tu\u00e2n th\u1ee7 IEEE C37.118.2 t\u1eeb 1 \u0111\u1ebfn 200\/240 khung h\u00ecnh\/gi\u00e2y.<\/li>\n<li>Truy\u1ec1n ph\u00e1t d\u1eef li\u1ec7u phasor qua Ethernet s\u1eed d\u1ee5ng d\u1ecbch v\u1ee5 gi\u00e1 tr\u1ecb l\u1ea5y m\u1eabu multicast (SV) theo IEC 61850-9-2 v\u1edbi vi\u1ec7c \u00e1nh x\u1ea1 d\u1eef li\u1ec7u synchrophasor tu\u00e2n th\u1ee7 IEEE C37.118.2 theo h\u01b0\u1edbng d\u1eabn c\u1ee7a IEC 61850-9-2 v\u00e0 IEC 61850-90-5.<\/li>\n<li>Sai s\u1ed1 vector t\u1ed5ng (TVE) \u1edf tr\u1ea1ng th\u00e1i \u1ed5n \u0111\u1ecbnh d\u1ef1 ki\u1ebfn t\u1ea1i t\u1ea7n s\u1ed1 danh \u0111\u1ecbnh: &lt; 0.05%<\/li>\n<li>T\u1ed1c \u0111\u1ed9 truy\u1ec1n ph\u00e1t: 1 \u0111\u1ebfn 200 ho\u1eb7c 240 khung h\u00ecnh\/gi\u00e2y @ 50 ho\u1eb7c 60Hz t\u01b0\u01a1ng \u1ee9ng.<\/li>\n<li>IEEE C37.118.2\n<ul>\n<li>C\u00e1c khung d\u1eef li\u1ec7u Synchrophasor truy\u1ec1n m\u1ed9t t\u1eadp h\u1ee3p c\u00e1c ph\u00e9p \u0111o \u0111\u01b0\u1ee3c g\u1eafn d\u1ea5u th\u1eddi gian, bao g\u1ed3m \u01b0\u1edbc t\u00ednh phasor, \u0111\u1ed9 l\u1ec7ch t\u1ea7n s\u1ed1 so v\u1edbi t\u1ea7n s\u1ed1 \u0111\u01b0\u1eddng d\u00e2y \u0111i\u1ec7n danh \u0111\u1ecbnh ho\u1eb7c t\u1ea7n s\u1ed1 th\u1ef1c t\u1ebf, v\u00e0 t\u1ed1c \u0111\u1ed9 thay \u0111\u1ed5i t\u1ea7n s\u1ed1. Ngo\u00e0i ra, khung d\u1eef li\u1ec7u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng \u0111\u1ec3 ch\u1ee9a d\u1eef li\u1ec7u analog (t\u1ed5ng c\u00f4ng su\u1ea5t t\u00e1c d\u1ee5ng, ph\u1ea3n kh\u00e1ng v\u00e0 bi\u1ec3u ki\u1ebfn, v\u00e0 h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t) v\u00e0 th\u00f4ng tin tr\u1ea1ng th\u00e1i \u0111\u1ea7u v\u00e0o s\u1ed1.<\/li>\n<li>C\u00e1c th\u00e0nh ph\u1ea7n phasor c\u00f3 th\u1ec3 bao g\u1ed3m ba phasor \u0111i\u1ec7n \u00e1p v\u00e0 ba phasor d\u00f2ng \u0111i\u1ec7n, c\u00e1c phasor \u0111i\u1ec7n \u00e1p v\u00e0 d\u00f2ng \u0111i\u1ec7n tr\u00ecnh t\u1ef1 thu\u1eadn, c\u00e1c phasor \u0111i\u1ec7n \u00e1p v\u00e0 d\u00f2ng \u0111i\u1ec7n tr\u00ecnh t\u1ef1 ngh\u1ecbch, ho\u1eb7c t\u1ea5t c\u1ea3 ch\u00fang trong m\u1ed9t khung.<\/li>\n<li>C\u00e1c gi\u00e1 tr\u1ecb phasor ph\u1ee9c c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c g\u1eedi \u1edf \u0111\u1ecbnh d\u1ea1ng t\u1ecda \u0111\u1ed9 ch\u1eef nh\u1eadt (ph\u1ea7n th\u1ef1c v\u00e0 ph\u1ea7n \u1ea3o) ho\u1eb7c \u1edf t\u1ecda \u0111\u1ed9 c\u1ef1c (\u0111\u1ed9 l\u1edbn v\u00e0 g\u00f3c). D\u1eef li\u1ec7u phasor v\u00e0 t\u1ea7n s\u1ed1 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c bi\u1ec3u di\u1ec5n \u1edf \u0111\u1ecbnh d\u1ea1ng d\u1ea5u ph\u1ea9y \u0111\u1ed9ng IEEE 32-bit ho\u1eb7c d\u01b0\u1edbi d\u1ea1ng s\u1ed1 nguy\u00ean 16-bit \u0111\u01b0\u1ee3c chia t\u1ef7 l\u1ec7. Khi s\u1eed d\u1ee5ng \u0111\u1ecbnh d\u1ea1ng s\u1ed1 nguy\u00ean, c\u00e1c h\u1ec7 s\u1ed1 chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c cung c\u1ea5p trong c\u00e1c khung c\u1ea5u h\u00ecnh IEEE C37.118.2.<\/li>\n<li>Truy\u1ec1n d\u1eef li\u1ec7u UDP v\u00e0 TCP client-server; truy\u1ec1n d\u1eef li\u1ec7u UDP t\u1ef1 ph\u00e1t qua giao th\u1ee9c IP.<\/li>\n<li>C\u00e1c ph\u1ea7n m\u1edf r\u1ed9ng khung IEEE C37.118.2 t\u00f9y ch\u1ecdn v\u1edbi d\u1eef li\u1ec7u analog (t\u1ed5ng c\u00f4ng su\u1ea5t t\u00e1c d\u1ee5ng, ph\u1ea3n kh\u00e1ng v\u00e0 bi\u1ec3u ki\u1ebfn, v\u00e0 h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t) v\u00e0 d\u1eef li\u1ec7u tr\u1ea1ng th\u00e1i s\u1ed1 (l\u00ean \u0111\u1ebfn 32 \u0111\u1ea7u v\u00e0o).<\/li>\n<li>PMU PRO h\u1ed7 tr\u1ee3 c\u00e1c khung c\u1ea5u h\u00ecnh CFG-1, CFG-2 v\u00e0 CFG-3.<\/li>\n<li>\u1ede ch\u1ebf \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u UDP t\u1ef1 ph\u00e1t, c\u00e1c khung c\u1ea5u h\u00ecnh CFG-2 ho\u1eb7c CFG-3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c g\u1eedi t\u1ef1 ph\u00e1t m\u00e0 kh\u00f4ng c\u1ea7n l\u1ec7nh ng\u01b0\u1eddi d\u00f9ng r\u00f5 r\u00e0ng. Khi \u0111\u01b0\u1ee3c b\u1eadt, m\u1ed9t khung c\u1ea5u h\u00ecnh \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ecbnh k\u1ef3 m\u1ed7i 30 gi\u00e2y.<\/li>\n<\/ul>\n<\/li>\n<li>5 khe truy\u1ec1n ph\u00e1t d\u1eef li\u1ec7u \u0111\u1ec3 truy\u1ec1n ph\u00e1t d\u1eef li\u1ec7u synchrophasor li\u00ean t\u1ee5c qua k\u1ebft n\u1ed1i unicast UDP ho\u1eb7c\/v\u00e0 TCP.<\/li>\n<\/ul>\n<h2><a name=\"_Toc197507276\"><\/a>Ghi nh\u1eadt k\u00fd, Ghi d\u1eef li\u1ec7u v\u00e0 L\u1eadp tr\u00ecnh<\/h2>\n<ul>\n<li>B\u1ed9 \u0111i\u1ec1u khi\u1ec3n l\u1eadp tr\u00ecnh: l\u00ean \u0111\u1ebfn 32 \u0111i\u1ec3m \u0111\u1eb7t \u0111i\u1ec1u khi\u1ec3n v\u00e0 th\u1eddi gian qu\u00e9t n\u1eeda chu k\u1ef3.<\/li>\n<li>Logic h\u00e0m OR, AND, s\u1ed1 h\u1ecdc, k\u00edch ho\u1ea1t m\u1edf r\u1ed9ng, ng\u01b0\u1ee1ng v\u00e0 \u0111\u1ed9 tr\u1ec5 l\u1eadp tr\u00ecnh, \u0111i\u1ec1u khi\u1ec3n r\u01a1le, ghi d\u1eef li\u1ec7u theo s\u1ef1 ki\u1ec7n.<\/li>\n<li>B\u1ed9 ghi s\u1ef1 ki\u1ec7n \u0111\u1ec3 ghi nh\u1eadt k\u00fd c\u00e1c s\u1ef1 ki\u1ec7n ch\u1ea9n \u0111o\u00e1n n\u1ed9i b\u1ed9, s\u1ef1 c\u1ed1 ngu\u1ed3n v\u00e0 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ed9 \u0111i\u1ec1u khi\u1ec3n logic v\u00e0 I\/O s\u1ed1.<\/li>\n<li>T\u00e1m b\u1ed9 ghi d\u1eef li\u1ec7u v\u1edbi b\u1ed9 d\u1eef li\u1ec7u l\u1eadp tr\u00ecnh \u0111\u1ec3 ghi d\u1eef li\u1ec7u \u0111\u1ecbnh k\u1ef3 v\u00e0 theo b\u1ea5t k\u1ef3 k\u00edch ho\u1ea1t n\u1ed9i b\u1ed9 ho\u1eb7c b\u00ean ngo\u00e0i n\u00e0o.<\/li>\n<li>32 b\u1ed9 \u0111\u1ebfm s\u1ed1 \u0111\u1ec3 \u0111\u1ebfm c\u00e1c s\u1ef1 ki\u1ec7n n\u1ed9i b\u1ed9 v\u00e0 xung t\u1eeb c\u00e1c ngu\u1ed3n b\u00ean ngo\u00e0i.<\/li>\n<li>16 b\u1ed9 \u0111\u1ecbnh th\u1eddi kho\u1ea3ng v\u1edbi chu k\u1ef3 l\u1eadp tr\u00ecnh t\u1eeb n\u1eeda chu k\u1ef3 \u0111\u1ebfn 24 gi\u1edd \u0111\u1ec3 ghi \u0111\u1ecbnh k\u1ef3 v\u00e0 k\u00edch ho\u1ea1t c\u00e1c ho\u1ea1t \u0111\u1ed9ng theo th\u1eddi gian.<\/li>\n<\/ul>\n<h2><a name=\"_Toc197507277\"><\/a>\u0110\u1ea7u v\u00e0o \u0111o d\u00f2ng \u0111i\u1ec7n thay \u0111\u1ed5i<\/h2>\n<ul>\n<li>5A<\/li>\n<li>1A<\/li>\n<\/ul>\n<h2><a name=\"_Toc197507278\"><\/a>\u0110\u1ea7u v\u00e0o \u0111o \u0111i\u1ec7n \u00e1p<\/h2>\n<ul>\n<li>Ph\u00e2n lo\u1ea1i \u0111o l\u01b0\u1eddng: CAT III<\/li>\n<li>Ph\u1ea1m vi ho\u1ea1t \u0111\u1ed9ng: l\u00ean \u0111\u1ebfn 277\/480 VAC +25%<\/li>\n<\/ul>\n<h2><a name=\"_Toc197507279\"><\/a>I\/O<\/h2>\n<p><strong>I\/O t\u00edch h\u1ee3p<\/strong><\/p>\n<ul>\n<li>1 AI (\u00b11 mA; 0-1 mA; 0-20 mA; 4-20 mA)<\/li>\n<li>1 SSR (100mA\/250V AC\/DC)<\/li>\n<li>Ngu\u1ed3n c\u1ea5p ngo\u00e0i 24\/48\/125\/250V DC<\/li>\n<li>1 DI<\/li>\n<li>\u0110\u01b0\u1ee3c l\u00e0m \u1ea9m n\u1ed9i b\u1ed9 @ 24VDC<\/li>\n<\/ul>\n<p><strong>4 \u0110\u1ea7u ra R\u01a1le<\/strong><\/p>\n<ul>\n<li>\u0110i\u1ec7n c\u01a1 (SPST Form A)<\/li>\n<li>C\u00e1c t\u00f9y ch\u1ecdn kh\u1ea3 d\u1ee5ng:\n<ul>\n<li>5A\/30 VDC<\/li>\n<li>5A\/250V AC<\/li>\n<li>100mA\/800V DC<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>Combo: 4 \u0110\u1ea7u v\u00e0o s\u1ed1 + 2 \u0110\u1ea7u ra R\u01a1le<\/strong><\/p>\n<ul>\n<li>C\u00f3 s\u1eb5n theo c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt tr\u00ean<\/li>\n<\/ul>\n<p><strong>4 \u0110\u1ea7u ra Analog<\/strong><\/p>\n<ul>\n<li>\u0110\u1ea7u ra analog c\u00e1ch ly \u0111a n\u0103ng (c\u00f3 th\u1ec3 c\u1ea5u h\u00ecnh) (\u00b11 mA; 0-1 mA; 0-20 mA; 4-20 mA)<\/li>\n<\/ul>\n<h2><a name=\"_Toc197507280\"><\/a>Giao di\u1ec7n truy\u1ec1n th\u00f4ng<\/h2>\n<ul>\n<li>Hai c\u1ed5ng Ethernet IEEE 1588 10\/100Base-T v\u1edbi kh\u1ea3 n\u0103ng chuy\u1ec3n ti\u1ebfp\/\u0111\u1ecbnh tuy\u1ebfn g\u00f3i; k\u1ebft n\u1ed1i v\u1edbi Ethernet qua m\u1ed9t ho\u1eb7c hai b\u1ed9 chuy\u1ec3n m\u1ea1ch m\u1ea1ng kh\u00e1c nhau, ho\u1eb7c k\u1ebft n\u1ed1i nhi\u1ec1u thi\u1ebft b\u1ecb n\u1ed1i ti\u1ebfp (daisy chain) v\u1edbi b\u1ed9 chuy\u1ec3n m\u1ea1ch s\u1eed d\u1ee5ng c\u1ea5u tr\u00fac m\u1ea1ng tuy\u1ebfn t\u00ednh ho\u1eb7c v\u00f2ng (n\u1ed1i ti\u1ebfp kh\u00f4ng kh\u1ea3 d\u1ee5ng cho c\u00e1c thi\u1ebft b\u1ecb h\u1ed7 tr\u1ee3 PTP); l\u00ean \u0111\u1ebfn 8 k\u1ebft n\u1ed1i TCP \u0111\u1ed3ng th\u1eddi qua c\u00e1c giao th\u1ee9c Modbus TCP, DNP3, IEC 60870-5-104, IEC 61850 (l\u00ean \u0111\u1ebfn 5 li\u00ean k\u1ebft client, GOOSE v\u00e0 nh\u00e0 xu\u1ea5t b\u1ea3n MSV).<\/li>\n<li>L\u00ean \u0111\u1ebfn 5 lu\u1ed3ng d\u1eef li\u1ec7u synchrophasor TCP ho\u1eb7c\/v\u00e0 UDP qua giao th\u1ee9c C37.118.2.<\/li>\n<li>C\u1ed5ng USB 2.0 type C t\u1ed1c \u0111\u1ed9 t\u1ed1i \u0111a \u0111\u1ec3 c\u1ea5u h\u00ecnh v\u00e0 gi\u00e1m s\u00e1t thi\u1ebft b\u1ecb c\u1ee5c b\u1ed9 qua giao th\u1ee9c Modbus RTU.<\/li>\n<li>C\u1ed5ng truy\u1ec1n th\u00f4ng n\u1ed1i ti\u1ebfp RS-485; 2400 \u0111\u1ebfn 115200 bps; c\u00e1c giao th\u1ee9c Modbus RTU\/ASCII, DNP3 v\u00e0 IEC 60870-5-101 (c\u1ed5ng n\u00e0y kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng n\u1ebfu s\u1eed d\u1ee5ng ngu\u1ed3n \u0111\u1ed3ng b\u1ed9 h\u00f3a th\u1eddi gian IRIG-B).<\/li>\n<li>Client th\u00f4ng b\u00e1o Modbus TCP<\/li>\n<li>Client Expertpower<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-7179\" src=\"http:\/\/mese.vn\/wp-content\/uploads\/2025\/05\/z6579531154698_c8cf6a91761085c78714307027b7b94d.jpg\" alt=\"\" width=\"578\" height=\"390\" srcset=\"https:\/\/tofu.isoinaction.com\/mesevn\/wp-content\/uploads\/sites\/194\/2025\/05\/z6579531154698_c8cf6a91761085c78714307027b7b94d.jpg 578w, https:\/\/tofu.isoinaction.com\/mesevn\/wp-content\/uploads\/sites\/194\/2025\/05\/z6579531154698_c8cf6a91761085c78714307027b7b94d-520x351.jpg 520w\" sizes=\"auto, (max-width: 578px) 100vw, 578px\" \/><\/p>\n<h2><a name=\"_Toc197507281\"><\/a>M\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb<\/h2>\n<ul>\n<li>M\u00e0n h\u00ecnh \u0111\u1ed3 h\u1ecda m\u00e0u TFT 1.77\u201d \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n cao v\u1edbi \u0111\u00e8n n\u1ec1n c\u00f3 th\u1ec3 c\u1ea5u h\u00ecnh.<\/li>\n<li>M\u00e0n h\u00ecnh nhi\u1ec1u trang; d\u1eef li\u1ec7u th\u1eddi gian, thi\u1ebft b\u1ecb \u0111o v\u00e0 d\u1ecbch v\u1ee5.<\/li>\n<li>Thi\u1ebft l\u1eadp theo menu.<\/li>\n<li>H\u1ed7 tr\u1ee3 \u0111a ng\u00f4n ng\u1eef.<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-7176\" src=\"http:\/\/mese.vn\/wp-content\/uploads\/2025\/05\/z6579513140485_8237e92778a75b5f562d8f73fc583f81.jpg\" alt=\"\" width=\"552\" height=\"225\" \/><\/p>\n<h2><a name=\"_Toc197507282\"><\/a>\u0110\u1ed3ng h\u1ed3 th\u1eddi gian th\u1ef1c &amp; \u0110\u1ed3ng b\u1ed9 h\u00f3a<\/h2>\n<ul>\n<li>\u0110\u1ed3ng h\u1ed3 th\u1eddi gian th\u1ef1c \u0111\u1ed9 ch\u00ednh x\u00e1c cao v\u1edbi pin d\u1ef1 ph\u00f2ng lithium.<\/li>\n<li>\u0110\u1ed3ng b\u1ed9 h\u00f3a \u0111\u1ed3ng h\u1ed3 v\u1edbi tham chi\u1ebfu th\u1eddi gian UTC s\u1eed d\u1ee5ng ngu\u1ed3n m\u00e3 th\u1eddi gian IRIG-B ho\u1eb7c \u0111\u1ed3ng h\u1ed3 ch\u1ee7 IEEE 1588 PTPv2.<\/li>\n<li>Ch\u00eanh l\u1ec7ch gi\u1edd ti\u1ebft ki\u1ec7m \u00e1nh s\u00e1ng ban ng\u00e0y cho ch\u1ec9 b\u00e1o th\u1eddi gian \u0111\u1ecba ph\u01b0\u01a1ng v\u1edbi th\u1eddi gian b\u1eaft \u0111\u1ea7u v\u00e0 k\u1ebft th\u00fac DST c\u00f3 th\u1ec3 c\u1ea5u h\u00ecnh.<\/li>\n<\/ul>\n<h2><a name=\"_Toc197507283\"><\/a>Ngu\u1ed3n c\u1ea5p<\/h2>\n<p>T\u00edch h\u1ee3p: 57.7-277V AC \/ 48-290V DC<\/p>\n<p>C\u00e1c t\u00f9y ch\u1ecdn b\u1ed5 sung:<\/p>\n<ul>\n<li>AUX 88-264V AC \/ 90-290V DC<\/li>\n<li>AUX 9-36V DC<\/li>\n<\/ul>\n<h2><a name=\"_Toc197507284\"><\/a>B\u1ea3o m\u1eadt thi\u1ebft b\u1ecb \u0111o n\u00e2ng cao<\/h2>\n<ul>\n<li>3 c\u1ea5p \u0111\u1ed9 b\u1ea3o m\u1eadt m\u1eadt kh\u1ea9u \u0111\u1ec3 b\u1ea3o v\u1ec7 c\u00e1c thi\u1ebft l\u1eadp thi\u1ebft b\u1ecb \u0111o v\u00e0 d\u1eef li\u1ec7u t\u00edch l\u0169y kh\u1ecfi c\u00e1c thay \u0111\u1ed5i tr\u00e1i ph\u00e9p.<\/li>\n<\/ul>\n<h2><a name=\"_Toc197507285\"><\/a>L\u1eafp \u0111\u1eb7t<\/h2>\n<ul>\n<li>L\u1eafp \u0111\u1eb7t thanh ray DIN.<\/li>\n<\/ul>\n<div id=\"80smc_7opj8\" data-component=\"rtf-block\"><span id=\"80smc_7opj8_bf003\" class=\"\" data-text=\"true\" data-z-element-type=\"rtf-text\" data-is-whitespace=\"false\">\u0110\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n v\u00e0 nh\u1eadn th\u00f4ng tin chi ti\u1ebft h\u01a1n, vui l\u00f2ng li\u00ean h\u1ec7:<\/span><\/div>\n<div id=\"80smc_7sera\" data-component=\"rtf-block\"><span id=\"80smc_7sera_2v7hv\" class=\"\" data-text=\"true\" data-z-element-type=\"rtf-text\" data-is-whitespace=\"false\">C\u00d4NG TY C\u1ed4 PH\u1ea6N MES-ENGINEERING VI\u1ec6T NAM<\/span><\/div>\n<div id=\"80smc_8aahv\" data-component=\"rtf-block\"><span id=\"80smc_8aahv_31qp2\" class=\"emoji-sizer emoji-outer\" contenteditable=\"false\" data-content=\"????\" data-z-element-type=\"rtf-image\">????<\/span><span id=\"80smc_8aahv_22dlk\" class=\"\" data-text=\"true\" data-z-element-type=\"rtf-text\" data-is-whitespace=\"false\"> P.A3-3305, T\u00f2a Ecolife, 58 T\u1ed1 H\u1eefu, Nam T\u1eeb Li\u00eam, H\u00e0 N\u1ed9i<\/span><\/div>\n<div id=\"80smc_9q29\" data-component=\"rtf-block\"><span id=\"80smc_9q29_eri9a\" class=\"emoji-sizer emoji-outer\" contenteditable=\"false\" data-content=\"????\" data-z-element-type=\"rtf-image\">????<\/span><span id=\"80smc_9q29_250iv\" class=\"\" data-text=\"true\" data-z-element-type=\"rtf-text\" data-is-whitespace=\"false\"> Tel: 04 62755630 | <\/span><span id=\"80smc_9q29_8h8kl\" class=\"emoji-sizer emoji-outer\" contenteditable=\"false\" data-content=\"????\" data-z-element-type=\"rtf-image\">????<\/span><span id=\"80smc_9q29_fb6hm\" class=\"\" data-text=\"true\" data-z-element-type=\"rtf-text\" data-is-whitespace=\"false\"> Fax: 04 62755625<\/span><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Vi\u1ec7c qu\u1ea3n l\u00fd m\u1ea1ng l\u01b0\u1edbi ph\u00e2n ph\u1ed1i \u0111i\u1ec7n \u0111ang ng\u00e0y c\u00e0ng tr\u1edf n\u00ean ph\u1ee9c t\u1ea1p. V\u1edbi s\u1ef1 t\u00edch h\u1ee3p c\u1ee7a c\u00e1c ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o, c\u00f4ng ngh\u1ec7 l\u01b0\u1edbi \u0111i\u1ec7n th\u00f4ng minh v\u00e0 nhu c\u1ea7u ng\u00e0y c\u00e0ng t\u0103ng v\u1ec1 d\u1eef li\u1ec7u th\u1eddi gian th\u1ef1c, c\u00e1c ti\u1ec7n \u00edch c\u1ea7n c\u00e1c c\u00f4ng c\u1ee5 gi\u00e1m s\u00e1t ti\u00ean ti\u1ebfn \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh \u1ed5n \u0111\u1ecbnh, \u0111\u1ed9 tin c\u1eady v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a l\u01b0\u1edbi \u0111i\u1ec7n. H\u00e3y \u0111\u1ebfn v\u1edbi thi\u1ebft b\u1ecb \u0111o pha PMU (Micro Phasor Measurement Unit) \u2013 m\u1ed9t thi\u1ebft b\u1ecb mang t\u00ednh c\u00e1ch m\u1ea1ng c\u00f3 ti\u1ec1m n\u0103ng bi\u1ebfn \u0111\u1ed5i c\u00e1ch qu\u1ea3n l\u00fd v\u00e0 t\u1ed1i \u01b0u h\u00f3a m\u1ea1ng l\u01b0\u1edbi ph\u00e2n ph\u1ed1i \u0111i\u1ec7n.<\/p>\n","protected":false},"author":120142,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1350,106,42],"tags":[696,1296,493,2484,982,620],"class_list":["post-7173","post","type-post","status-publish","format-standard","hentry","category-cho-nha-may","category-tin-tuc-vi","category-tin-chuyen-nganh","tag-an-toan-dien","tag-giam-sat","tag-nha-may-dien","tag-on-dinh-nguon-dien","tag-quan-tri-nang-luong","tag-tram-dien"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.5 (Yoast SEO v28.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>\u1ee8NG D\u1ee4NG C\u1ee6A MICRO PMU TRONG M\u1ea0NG L\u01af\u1edaI PH\u00c2N PH\u1ed0I \u0110I\u1ec6N - 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\/ung-dung-cua-micro-pmu-trong-mang-luoi-phan-phoi-dien.html\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u1ee8NG D\u1ee4NG C\u1ee6A MICRO PMU TRONG M\u1ea0NG L\u01af\u1edaI PH\u00c2N PH\u1ed0I \u0110I\u1ec6N\" \/>\n<meta property=\"og:description\" content=\"Vi\u1ec7c qu\u1ea3n l\u00fd m\u1ea1ng l\u01b0\u1edbi ph\u00e2n ph\u1ed1i \u0111i\u1ec7n \u0111ang ng\u00e0y c\u00e0ng tr\u1edf n\u00ean ph\u1ee9c t\u1ea1p. 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