{"id":2221,"date":"2026-07-27T15:00:00","date_gmt":"2026-07-27T07:00:00","guid":{"rendered":"https:\/\/cnbygele.com\/?p=2221"},"modified":"2026-08-24T17:25:22","modified_gmt":"2026-08-24T09:25:22","slug":"nec-harmonic-mitigation-equipment-installation","status":"publish","type":"post","link":"https:\/\/cnbygele.com\/vi\/blog\/nec-harmonic-mitigation-equipment-installation\/","title":{"rendered":"Ki\u1ec3m tra NEC cho vi\u1ec7c l\u1eafp \u0111\u1eb7t thi\u1ebft b\u1ecb gi\u1ea3m s\u00f3ng h\u00e0i"},"content":{"rendered":"<div class=\"b2b-article\">\n<p style=\"margin:0 0 16px;line-height:1.7\"><strong>Hoa K\u1ef3.<\/strong> c\u00e1c \u0111i\u1ec3m \u0111\u00e1nh gi\u00e1 vi\u1ec7c l\u1eafp \u0111\u1eb7t thi\u1ebft b\u1ecb gi\u1ea3m thi\u1ec3u s\u00f3ng h\u00e0i n\u00ean b\u1eaft \u0111\u1ea7u b\u1eb1ng m\u1ed9t ranh gi\u1edbi \u0111i\u1ec7n \u0111\u01b0\u1ee3c l\u1eadp th\u00e0nh v\u0103n b\u1ea3n, m\u1ed9t h\u1ed3 s\u01a1 v\u1eadn h\u00e0nh mang t\u00ednh \u0111\u1ea1i di\u1ec7n v\u00e0 m\u1ed9t quy\u1ebft \u0111\u1ecbnh \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng. Ch\u1ec9 s\u1ed1 \u0111\u1ecdc t\u1eeb \u0111\u1ed3ng h\u1ed3 \u0111o, nh\u00e3n th\u00f4ng s\u1ed1 c\u1ee7a thi\u1ebft b\u1ecb, ho\u1eb7c m\u1ed9t s\u1ef1 ki\u1ec7n \u0111\u00f3ng c\u1eaft \u0111\u01a1n l\u1ebb th\u00ec t\u1ef1 b\u1ea3n th\u00e2n ch\u00fang ch\u01b0a th\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c nguy\u00ean nh\u00e2n, thi\u1ebft b\u1ecb c\u1ea7n thi\u1ebft, hay c\u00e1c ti\u00eau ch\u00ed nghi\u1ec7m thu.<\/p>\n<nav class=\"b2b-toc\" style=\"background:#f5f8fa;padding:16px 20px;border-radius:8px;margin:0 0 24px\">\n<h2 id=\"contents\" style=\"margin:42px 0 14px;scroll-margin-top:96px\">M\u1ee5c l\u1ee5c<\/h2>\n<ul style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\"><a href=\"#part-1-define-the-decision-boundary\">Ph\u1ea7n 1. X\u00e1c \u0111\u1ecbnh ranh gi\u1edbi quy\u1ebft \u0111\u1ecbnh<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-2-capture-representative-operating-states\">Ph\u1ea7n 2. Thu th\u1eadp c\u00e1c tr\u1ea1ng th\u00e1i v\u1eadn h\u00e0nh \u0111\u1ea1i di\u1ec7n<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-3-keep-standards-and-installation-responsibilities-explicit\">Ph\u1ea7n 3. Gi\u1eef cho c\u00e1c ti\u00eau chu\u1ea9n v\u00e0 tr\u00e1ch nhi\u1ec7m l\u1eafp \u0111\u1eb7t \u0111\u01b0\u1ee3c r\u00f5 r\u00e0ng<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-4-compare-paths-without-defaulting-to-one-device\">Ph\u1ea7n 4. So s\u00e1nh c\u00e1c \u0111\u01b0\u1eddng d\u1eabn m\u00e0 kh\u00f4ng m\u1eb7c \u0111\u1ecbnh ch\u1ecdn m\u1ed9t thi\u1ebft b\u1ecb n\u00e0o<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-5-plan-interfaces-and-commissioning-early\">Ph\u1ea7n 5. L\u1eadp k\u1ebf ho\u1ea1ch giao di\u1ec7n v\u00e0 v\u1eadn h\u00e0nh th\u1eed s\u1edbm<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-6-rfq-checklist-and-fit-boundary\">Ph\u1ea7n 6. Danh m\u1ee5c ki\u1ec3m tra RFQ v\u00e0 ranh gi\u1edbi ph\u00f9 h\u1ee3p<\/a><\/li>\n<\/ul>\n<\/nav>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"direct-answer\">Tr\u1ea3 l\u1eddi tr\u1ef1c ti\u1ebfp<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Vi\u1ec7c \u0111\u00e1nh gi\u00e1 h\u1ec7 th\u1ed1ng l\u1eafp \u0111\u1eb7t t\u1ea1i Hoa K\u1ef3 \u0111\u1ed1i v\u1edbi thi\u1ebft b\u1ecb gi\u1ea3m s\u00f3ng h\u00e0i n\u00ean b\u1eaft \u0111\u1ea7u b\u1eb1ng m\u1ed9t ranh gi\u1edbi \u0111i\u1ec7n \u0111\u01b0\u1ee3c l\u1eadp t\u00e0i li\u1ec7u, m\u1ed9t b\u1ea3n ghi v\u1eadn h\u00e0nh mang t\u00ednh \u0111\u1ea1i di\u1ec7n v\u00e0 m\u1ed9t quy\u1ebft \u0111\u1ecbnh \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng. M\u1ed9t ch\u1ec9 s\u1ed1 \u0111\u1ed3ng h\u1ed3 \u0111o, m\u1ed9t bi\u1ec3n t\u00ean linh ki\u1ec7n, ho\u1eb7c m\u1ed9t s\u1ef1 ki\u1ec7n chuy\u1ec3n m\u1ea1ch \u0111\u01a1n l\u1ebb t\u1ef1 th\u00e2n n\u00f3 kh\u00f4ng th\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c nguy\u00ean nh\u00e2n, thi\u1ebft b\u1ecb c\u1ea7n thi\u1ebft, ho\u1eb7c ti\u00eau ch\u00ed nghi\u1ec7m thu.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">CNBYG c\u00f3 th\u1ec3 th\u1ea3o lu\u1eadn b\u1ed1i c\u1ea3nh d\u00f2ng s\u1ea3n ph\u1ea9m B\u1ed9 l\u1ecdc s\u00f3ng h\u00e0i t\u00edch c\u1ef1c AHF khi b\u1eb1ng ch\u1ee9ng \u0111\u01b0\u1ee3c ghi l\u1ea1i h\u1ed7 tr\u1ee3 m\u1ed9t m\u1ee5c ti\u00eau x\u00e1c \u0111\u1ecbnh. N\u00f3 kh\u00f4ng th\u1ec3 thi\u1ebft l\u1eadp k\u1ebft qu\u1ea3 tu\u00e2n th\u1ee7 NEC, t\u01b0 v\u1ea5n ph\u00e1p l\u00fd, ho\u1eb7c thay th\u1ebf cho c\u01a1 quan c\u00f3 th\u1ea9m quy\u1ec1n t\u00e0ijurisdiction v\u00e0 \u0111\u1ed9i ng\u0169 thi\u1ebft k\u1ebf \u0111\u1ee7 \u0111i\u1ec1u ki\u1ec7n t\u1eeb m\u1ed9t b\u00e0i vi\u1ebft. \u0110\u1ec3 \u0111i\u1ec1u h\u01b0\u1edbng r\u1ed9ng h\u01a1n, h\u00e3y xem <a href=\"https:\/\/cnbygele.com\/vi\/power-quality-system-guides\/\">H\u01b0\u1edbng d\u1eabn H\u1ec7 th\u1ed1ng Ch\u1ea5t l\u01b0\u1ee3ng \u0110i\u1ec7n<\/a>.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-1-define-the-decision-boundary\">Ph\u1ea7n 1. X\u00e1c \u0111\u1ecbnh ranh gi\u1edbi quy\u1ebft \u0111\u1ecbnh<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">B\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch n\u00eau t\u00ean \u0111i\u1ec3m n\u01a1i k\u1ebft qu\u1ea3 s\u1ebd \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. Ph\u00e9p \u0111o nh\u00e1nh ngu\u1ed3n \u0111\u1eb7c tr\u01b0ng cho m\u1ed9t ngu\u1ed3n c\u1ee5c b\u1ed9; ph\u00e9p \u0111o t\u1ea1i \u0111i\u1ec3m \u0111\u1ea5u n\u1ed1i d\u1ecbch v\u1ee5, th\u1ee9 c\u1ea5p m\u00e1y bi\u1ebfn \u00e1p, ho\u1eb7c PCC h\u1ed7 tr\u1ee3 cho c\u00e2u h\u1ecfi v\u1ec1 ranh gi\u1edbi h\u1ec7 th\u1ed1ng. Ghi l\u1ea1i v\u1ecb tr\u00ed \u0111\u1ed3ng h\u1ed3 \u0111o, \u0111i\u1ec7n \u00e1p tham chi\u1ebfu, t\u1ef7 s\u1ed1 v\u00e0 c\u1ef1c t\u00ednh c\u1ee7a bi\u1ebfn d\u00f2ng (CT), kho\u1ea3ng th\u1eddi gian l\u1ea5y m\u1eabu, kho\u1ea3ng th\u1eddi gian t\u1ed5ng h\u1ee3p, v\u00e0 c\u00e1c t\u1ea3i tr\u1ecdng ch\u00ednh kh\u00e1c \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i t\u1ea1i th\u1eddi \u0111i\u1ec3m \u0111\u00f3.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u0110\u1ed1i v\u1edbi c\u00e1c thi\u1ebft b\u1ecb APF, SVG, cu\u1ed9n kh\u00e1ng v\u00e0 t\u1ee5 \u0111i\u1ec7n \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u00e0o h\u1ec7 th\u1ed1ng ph\u00e2n ph\u1ed1i \u0111i\u1ec7n h\u1ea1 th\u1ebf t\u1ea1i Hoa K\u1ef3, nh\u1eadt k\u00fd v\u1eadn h\u00e0nh c\u1ea7n x\u00e1c \u0111\u1ecbnh r\u00f5 tr\u1ea1ng th\u00e1i v\u1eadn h\u00e0nh b\u00ecnh th\u01b0\u1eddng, c\u00f4 l\u1eadp b\u1ea3o tr\u00ec, \u0111\u00f3ng c\u1eaft t\u1ee5 \u0111i\u1ec7n v\u00e0 c\u00e1c \u0111i\u1ec1u ki\u1ec7n t\u1ea3i \u0111\u1ec9nh ti\u00eau bi\u1ec3u. D\u1ea5u th\u1eddi gian r\u1ea5t quan tr\u1ecdng v\u00ec s\u1ef1 thay \u0111\u1ed5i v\u1ec1 t\u1ea3i, c\u1ea5u h\u00ecnh ngu\u1ed3n ho\u1eb7c tr\u1ea1ng th\u00e1i t\u1ee5 \u0111i\u1ec7n c\u00f3 th\u1ec3 l\u00e0m thay \u0111\u1ed5i d\u1ea1ng s\u00f3ng quan s\u00e1t \u0111\u01b0\u1ee3c m\u00e0 kh\u00f4ng ch\u1ee9ng minh \u0111\u01b0\u1ee3c \u0111\u00f3 l\u00e0 l\u1ed7i thi\u1ebft b\u1ecb.<\/p>\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">C\u00e2u h\u1ecfi \u0111o l\u01b0\u1eddng<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">B\u1eb1ng ch\u1ee9ng c\u1ea7n l\u01b0u gi\u1eef<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Quy\u1ebft \u0111\u1ecbnh \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0110i\u1ec1u g\u00ec x\u1ea3y ra t\u1ea1i ngu\u1ed3n c\u1ea5p l\u1eafp \u0111\u1eb7t ho\u1eb7c thanh c\u00e1i ph\u00e2n ph\u1ed1i?<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Xu h\u01b0\u1edbng d\u00f2ng \u0111i\u1ec7n\/\u0111i\u1ec7n \u00e1p, ph\u1ed5, v\u1ecb tr\u00ed CT, tr\u1ea1ng th\u00e1i ho\u1ea1t \u0111\u1ed9ng<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0110\u1eb7c tr\u01b0ng h\u00f3a ngu\u1ed3n<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Nh\u1eefng thay \u0111\u1ed5i g\u00ec \u1edf ranh gi\u1edbi h\u1ec7 th\u1ed1ng?<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">D\u1eef li\u1ec7u nhu c\u1ea7u, ngu\u1ed3n v\u00e0 m\u00e1y bi\u1ebfn \u00e1p, b\u1ea3n ghi \u0111\u00f3ng c\u1eaft<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">X\u00e1c \u0111\u1ecbnh m\u1ee5c ti\u00eau d\u1ef1 \u00e1n<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">T\u00ecnh tr\u1ea1ng n\u00e0y c\u00f3 l\u1eb7p l\u1ea1i \u0111\u01b0\u1ee3c kh\u00f4ng?<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Nhi\u1ec1u kho\u1ea3ng th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng \u0111\u1ea1i di\u1ec7n<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">L\u1eadp k\u1ebf ho\u1ea1ch c\u00f4ng su\u1ea5t v\u00e0 v\u1eadn h\u00e0nh th\u1eed<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">C\u00e1i g\u00ec \u0111\u00e3 \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t s\u1eb5n?<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Chi ti\u1ebft v\u1ec1 s\u01a1 \u0111\u1ed3 \u0111\u01a1n tuy\u1ebfn, t\u1ee5 \u0111i\u1ec7n\/cu\u1ed9n kh\u00e1ng\/b\u1ed9 l\u1ecdc v\u00e0 b\u1ea3o v\u1ec7<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Ki\u1ec3m tra t\u00edch h\u1ee3p<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-2-capture-representative-operating-states\">Ph\u1ea7n 2. Thu th\u1eadp c\u00e1c tr\u1ea1ng th\u00e1i v\u1eadn h\u00e0nh \u0111\u1ea1i di\u1ec7n<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">M\u1ed9t b\u1ea3n ghi hi\u1ec7u qu\u1ea3 kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 m\u1ed9t \u1ea3nh ch\u1ee5p nhanh. H\u00e3y ghi l\u1ea1i c\u00e1c c\u1eeda s\u1ed5 tr\u1ea1ng th\u00e1i b\u00ecnh th\u01b0\u1eddng v\u00e0 b\u1ea5t th\u01b0\u1eddng, l\u01b0u \u00fd tr\u00ecnh t\u1ef1 chuy\u1ec3n m\u1ea1ch ho\u1eb7c c\u00e1c s\u1ef1 ki\u1ec7n \u0111i\u1ec1u khi\u1ec3n, v\u00e0 gi\u1eef l\u1ea1i c\u00e1c c\u00e0i \u0111\u1eb7t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng b\u1edfi m\u00e1y ph\u00e2n t\u00edch. Khi c\u00f3 s\u1eb5n c\u00e1c nh\u00e1nh c\u1ea5p \u0111i\u1ec7n ri\u00eang l\u1ebb, h\u00e3y \u0111\u1ed1i chi\u1ebfu ch\u00fang v\u1edbi k\u1ebft qu\u1ea3 c\u1ee7a thanh c\u00e1i thay v\u00ec gi\u1ea3 \u0111\u1ecbnh r\u1eb1ng m\u1ed9t t\u1ea3i duy nh\u1ea5t gi\u1ea3i th\u00edch cho m\u1ecdi thay \u0111\u1ed5i.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">Gi\u1eef l\u1ea1i m\u1ed9t m\u1ee9c c\u01a1 s\u1edf tr\u01b0\u1edbc b\u1ea5t k\u1ef3 thay \u0111\u1ed5i v\u1eadt l\u00fd n\u00e0o. M\u1ee9c c\u01a1 s\u1edf n\u00e0y ph\u1ea3i bao g\u1ed3m \u0111i\u1ec7n \u00e1p v\u00e0 d\u00f2ng \u0111i\u1ec7n RMS, ph\u1ed5 s\u00f3ng h\u00e0i, nhu c\u1ea7u ph\u1ee5 t\u1ea3i, xu h\u01b0\u1edbng c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng, tr\u1ea1ng th\u00e1i thi\u1ebft b\u1ecb v\u00e0 l\u1ecbch tr\u00ecnh v\u1eadn h\u00e0nh. N\u1ebfu m\u1ed9t ph\u00e9p so s\u00e1nh sau \u0111\u00f3 s\u1eed d\u1ee5ng v\u1ecb tr\u00ed \u0111\u1ed3ng h\u1ed3 \u0111o kh\u00e1c ho\u1eb7c \u0111i\u1ec1u ki\u1ec7n s\u1ea3n xu\u1ea5t kh\u00e1c, h\u00e3y d\u00e1n nh\u00e3n l\u01b0u \u00fd v\u1ec1 h\u1ea1n ch\u1ebf \u0111\u00f3 thay v\u00ec coi d\u1eef li\u1ec7u kh\u00f4ng gi\u1ed1ng nhau l\u00e0 b\u1eb1ng ch\u1ee9ng c\u1ea3i thi\u1ec7n.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-3-keep-standards-and-installation-responsibilities-explicit\">Ph\u1ea7n 3. Gi\u1eef cho c\u00e1c ti\u00eau chu\u1ea9n v\u00e0 tr\u00e1ch nhi\u1ec7m l\u1eafp \u0111\u1eb7t \u0111\u01b0\u1ee3c r\u00f5 r\u00e0ng<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">The <a href=\"https:\/\/standards.ieee.org\/ieee\/519\/5892\/\" rel=\"nofollow noopener\" target=\"_blank\">T\u1ed5ng quan v\u1ec1 IEEE 519<\/a> cung c\u1ea5p b\u1ed1i c\u1ea3nh cho c\u00e1c cu\u1ed9c th\u1ea3o lu\u1eadn v\u1ec1 ki\u1ec3m so\u00e1t s\u00f3ng h\u00e0i, nh\u01b0ng \u0111\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 h\u01b0\u1edbng d\u1eabn k\u00edch th\u01b0\u1edbc ph\u1ed5 qu\u00e1t. \u0110i\u1ec3m \u0111\u00e1nh gi\u00e1 \u00e1p d\u1ee5ng, \u0111\u1eb7c t\u00ednh ngu\u1ed3n, d\u1eef li\u1ec7u v\u1eadn h\u00e0nh v\u00e0 c\u00e1c ti\u00eau ch\u00ed h\u1ee3p \u0111\u1ed3ng ph\u1ea3i \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp cho d\u1ef1 \u00e1n.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u0110\u1ed1i v\u1edbi c\u00f4ng vi\u1ec7c t\u1ea1i Hoa K\u1ef3, <a href=\"https:\/\/www.nfpa.org\/codes-and-standards\/nfpa-70-standard-development\/70\" rel=\"nofollow noopener\" target=\"_blank\">NFPA 70 \/ NEC<\/a> l\u00e0 ng\u1eef c\u1ea3nh m\u00e3 ngu\u1ed3n li\u00ean quan, tu\u00e2n theo phi\u00ean b\u1ea3n \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng, c\u00e1c s\u1eeda \u0111\u1ed5i c\u1ee5c b\u1ed9, h\u01b0\u1edbng d\u1eabn thi\u1ebft b\u1ecb v\u00e0 vi\u1ec7c xem x\u00e9t c\u1ee7a c\u01a1 quan c\u00f3 th\u1ea9m quy\u1ec1n (AHJ). Thi\u1ebft b\u1ecb ng\u1eaft k\u1ebft n\u1ed1i, b\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng, d\u00e2y d\u1eabn, n\u1ed1i \u0111\u1ea5t v\u00e0 li\u00ean k\u1ebft, d\u00e1n nh\u00e3n, kh\u00f4ng gian l\u00e0m vi\u1ec7c v\u00e0 l\u1ed1i \u0111i c\u1ea7n \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft b\u1edfi nh\u00f3m thi\u1ebft k\u1ebf v\u00e0 l\u1eafp \u0111\u1eb7t ch\u1ecbu tr\u00e1ch nhi\u1ec7m.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-4-compare-paths-without-defaulting-to-one-device\">Ph\u1ea7n 4. So s\u00e1nh c\u00e1c \u0111\u01b0\u1eddng d\u1eabn m\u00e0 kh\u00f4ng m\u1eb7c \u0111\u1ecbnh ch\u1ecdn m\u1ed9t thi\u1ebft b\u1ecb n\u00e0o<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Con \u0111\u01b0\u1eddng \u0111\u01b0\u1ee3c ch\u1ecdn ph\u1ea3i tu\u00e2n theo m\u1ee5c ti\u00eau \u0111\u00e3 \u0111o \u0111\u1ea1c. D\u00f2ng \u0111i\u1ec7n h\u00e0i, nhu c\u1ea7u c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng, c\u00e1c s\u1ef1 c\u1ed1 \u0111i\u1ec7n \u00e1p, l\u1ed7i l\u1eafp \u0111\u1eb7t v\u00e0 c\u00e1c \u0111i\u1ec1u ki\u1ec7n ng\u01b0\u1ee3c d\u00f2ng c\u00f3 th\u1ec3 x\u1ea3y ra \u0111\u1ed3ng th\u1eddi, tuy nhi\u00ean ch\u00fang c\u1ea7n c\u00e1c b\u1eb1ng ch\u1ee9ng v\u00e0 ph\u01b0\u01a1ng ph\u00e1p nghi\u1ec7m thu kh\u00e1c nhau. Thi\u1ebft b\u1ecb b\u00f9 hi\u1ec7n t\u1ea1i, cu\u1ed9n kh\u00e1ng, b\u1ed9 l\u1ecdc, tr\u1edf kh\u00e1ng ngu\u1ed3n, b\u1ea3o v\u1ec7 v\u00e0 s\u1ef1 thay \u0111\u1ed5i t\u1ea3i d\u1ef1 ki\u1ebfn \u0111\u1ec1u \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn vi\u1ec7c xem x\u00e9t d\u1ef1 \u00e1n.<\/p>\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Danh m\u1ee5c t\u00f9y ch\u1ecdn<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">C\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c xem x\u00e9t khi<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">AHF \/ APF<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">M\u1ee5c ti\u00eau l\u00e0 gi\u1ea3m thi\u1ec3u d\u00f2ng \u0111i\u1ec7n s\u00f3ng h\u00e0i \u0111\u00e3 \u0111o \u0111\u01b0\u1ee3c<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">H\u1ed3 s\u01a1 hi\u1ec7n t\u1ea1i, k\u1ebf ho\u1ea1ch CT, v\u1ecb tr\u00ed, c\u00f4ng su\u1ea5t, b\u1ea3o v\u1ec7, nhi\u1ec7t<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">SVG<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">H\u00e0nh vi c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng \u0111\u1ed9ng l\u00e0 m\u1ee5c ti\u00eau<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">H\u1ed3 s\u01a1 ph\u1ea3n kh\u00e1ng, b\u1ed1i c\u1ea3nh \u0111i\u1ec7n \u00e1p, c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n, thi\u1ebft b\u1ecb hi\u1ec7n c\u00f3<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Cu\u1ed9n kh\u00e1ng n\u1ed1i ti\u1ebfp \/ linh ki\u1ec7n th\u1ee5 \u0111\u1ed9ng<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">M\u1ed9t nghi\u00ean c\u1ee9u h\u1ec7 th\u1ed1ng x\u00e1c \u0111\u1ecbnh m\u1ed9t h\u00e0m s\u1ed1 c\u1ed1 \u0111\u1ecbnh ho\u1eb7c \u0111\u01b0\u1ee3c tinh ch\u1ec9nh<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">C\u1ed9ng h\u01b0\u1edfng, chuy\u1ec3n m\u1ea1ch, d\u1eef li\u1ec7u m\u1ea1ng, l\u1eafp \u0111\u1eb7t v\u1eadt l\u00fd<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Thay \u0111\u1ed5i v\u1ec1 v\u1eadn h\u00e0nh ho\u1eb7c th\u01b0\u1ee3ng ngu\u1ed3n<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Ngu\u1ed3n, l\u1ecbch tr\u00ecnh ho\u1eb7c c\u1ea5u tr\u00fac l\u00e0 v\u1eadt ch\u1ea5t<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Nhi\u1ec7m v\u1ee5 c\u1ee7a ch\u1ee7 s\u1edf h\u1eefu, \u0111i\u1ec1u ph\u1ed1i ti\u1ec7n \u00edch, l\u1ed9 tr\u00ecnh th\u1ef1c hi\u1ec7n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u0110\u1ec3 th\u1ea3o lu\u1eadn v\u1ec1 d\u00f2ng s\u1ea3n ph\u1ea9m, h\u00e3y xem <a href=\"https:\/\/cnbygele.com\/vi\/product\/ahf-active-harmonic-filter-harmonic-control\/\">B\u1ed9 l\u1ecdc s\u00f3ng h\u00e0i ch\u1ee7 \u0111\u1ed9ng CNBYG AHF<\/a>. \u0110\u00e2y l\u00e0 ranh gi\u1edbi khuy\u1ebfn ngh\u1ecb s\u1ea3n ph\u1ea9m, kh\u00f4ng ph\u1ea3i l\u00e0 k\u1ebft lu\u1eadn r\u1eb1ng s\u1ea3n ph\u1ea9m ph\u00f9 h\u1ee3p v\u1edbi m\u1ecdi t\u00ecnh tr\u1ea1ng \u0111\u01b0\u1ee3c quan s\u00e1t. H\u01b0\u1edbng d\u1eabn li\u00ean quan v\u1ec1 <a href=\"https:\/\/cnbygele.com\/vi\/blog\/ieee-519-harmonic-limits-apf-sizing\/\">Gi\u1edbi h\u1ea1n s\u00f3ng h\u00e0i IEEE 519 v\u00e0 t\u00ednh ch\u1ecdn k\u00edch th\u01b0\u1edbc b\u1ed9 l\u1ecdc c\u00f4ng su\u1ea5t t\u00edch c\u1ef1c (APF)<\/a> cung c\u1ea5p m\u1ed9t g\u00f3c nh\u00ecn d\u1ef1a tr\u00ean \u0111o l\u01b0\u1eddng l\u00e2n c\u1eadn.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-5-plan-interfaces-and-commissioning-early\">Ph\u1ea7n 5. L\u1eadp k\u1ebf ho\u1ea1ch giao di\u1ec7n v\u00e0 v\u1eadn h\u00e0nh th\u1eed s\u1edbm<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Tr\u01b0\u1edbc khi th\u1ef1c hi\u1ec7n RFQ, h\u00e3y ghi l\u1ea1i v\u1ecb tr\u00ed \u0111\u1ea5u n\u1ed1i \u0111\u1ec1 xu\u1ea5t, b\u1ed1 tr\u00ed bi\u1ebfn d\u00f2ng (CT), s\u01a1 \u0111\u1ed3 tuy\u1ebfn c\u1ea5p \u0111i\u1ec7n v\u00e0 thanh c\u00e1i, th\u00f4ng tin d\u00f2ng s\u1ef1 c\u1ed1 kh\u1ea3 d\u1ee5ng, tuy\u1ebfn c\u00e1p, h\u1ec7 th\u1ed1ng th\u00f4ng gi\u00f3, \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng, l\u1ed1i ti\u1ebfp c\u1eadn, th\u00f4ng tin li\u00ean l\u1ea1c, h\u1ec7 th\u1ed1ng c\u1ea3nh b\u00e1o v\u00e0 k\u1ef3 v\u1ecdng b\u1ea3o tr\u00ec. Nh\u1eefng d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o \u0111\u00f3 gi\u00fap cho c\u00e1c cu\u1ed9c th\u1ea3o lu\u1eadn b\u00e1o gi\u00e1 b\u00e1m s\u00e1t ph\u1ea1m vi t\u00edch h\u1ee3p th\u1ef1c t\u1ebf.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">Vi\u1ec7c ch\u1ea1y th\u1eed nghi\u1ec7m ph\u1ea3i so s\u00e1nh c\u00e1c tr\u1ea1ng th\u00e1i v\u1eadn h\u00e0nh t\u01b0\u01a1ng t\u1ef1 v\u1edbi m\u1ed9t \u0111\u01b0\u1eddng c\u01a1 s\u1edf v\u00e0 ph\u01b0\u01a1ng ph\u00e1p nghi\u1ec7m thu \u0111\u00e3 th\u1ecfa thu\u1eadn tr\u01b0\u1edbc. Gi\u1eef nguy\u00ean v\u1ecb tr\u00ed \u0111\u1ed3ng h\u1ed3 \u0111o, thi\u1ebft l\u1eadp m\u00e1y ph\u00e2n t\u00edch v\u00e0 tr\u1ea1ng th\u00e1i t\u1ea3i ch\u00ednh cho c\u1ea3 hai b\u1ea3n ghi. V\u1ecb tr\u00ed \u0111\u1ed3ng h\u1ed3 \u0111o thay \u0111\u1ed5i ho\u1eb7c \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh thay \u0111\u1ed5i c\u00f3 th\u1ec3 t\u1ea1o ra k\u1ebft qu\u1ea3 kh\u00e1c m\u00e0 kh\u00f4ng ch\u1ee9ng minh \u0111\u01b0\u1ee3c s\u1ef1 thay \u0111\u1ed5i v\u1ec1 hi\u1ec7u su\u1ea5t c\u1ee7a thi\u1ebft b\u1ecb. Xem <a href=\"https:\/\/cnbygele.com\/vi\/blog\/vfd-harmonics-industrial-plants-apf-selection\/\">S\u00f3ng h\u00e0i VFD v\u00e0 l\u1ef1a ch\u1ecdn APF<\/a> cho b\u1ed1i c\u1ea3nh quy ho\u1ea1ch li\u00ean quan.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-6-rfq-checklist-and-fit-boundary\">Ph\u1ea7n 6. Danh m\u1ee5c ki\u1ec3m tra RFQ v\u00e0 ranh gi\u1edbi ph\u00f9 h\u1ee3p<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">M\u1ed9t y\u00eau c\u1ea7u kh\u1ea3o s\u00e1t s\u1ebd h\u1eefu \u00edch h\u01a1n khi c\u00f3 s\u01a1 \u0111\u1ed3 \u0111\u01a1n tuy\u1ebfn, \u0111i\u1ec7n \u00e1p v\u00e0 t\u1ea7n s\u1ed1 \u0111\u1ecbnh m\u1ee9c, th\u00f4ng s\u1ed1 m\u00e1y bi\u1ebfn \u00e1p, c\u00e1c b\u1ea3n ghi \u0111i\u1ec7n \u00e1p\/d\u00f2ng \u0111i\u1ec7n \u0111\u1ea1i di\u1ec7n, bi\u1ec3u \u0111\u1ed3 ph\u1ee5 t\u1ea3i, danhi s\u00e1ch thi\u1ebft b\u1ecb t\u1ee5 \u0111i\u1ec7n\/cu\u1ed9n kh\u00e1ng\/b\u1ed9 l\u1ecdc hi\u1ec7n t\u1ea1i, d\u1eef li\u1ec7u b\u1ea3o v\u1ec7, \u0111i\u1ec3m l\u1eafp \u0111\u1eb7t \u0111\u1ec1 xu\u1ea5t, chi ti\u1ebft kh\u00f4ng gian v\u00e0 l\u00e0m m\u00e1t, c\u00f9ng v\u1edbi c\u00e1c y\u00eau c\u1ea7u truy\u1ec1n th\u00f4ng. N\u00eau r\u00f5 quy\u1ebft \u0111\u1ecbnh li\u00ean quan \u0111\u1ebfn vi\u1ec7c x\u1eed l\u00fd s\u1ef1 c\u1ed1 t\u1ea1i ch\u1ed7, ranh gi\u1edbi h\u1ec7 th\u1ed1ng, d\u00f2ng \u0111i\u1ec7n h\u00e0i, ph\u1ea3n \u1ee9ng c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng, hay \u0111\u00e1nh gi\u00e1 t\u00edch h\u1ee3p.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">CNBYG c\u00f3 th\u1ec3 xem x\u00e9t c\u00e1c th\u00f4ng tin \u0111\u1ea7u v\u00e0o n\u00e0y v\u00e0 th\u1ea3o lu\u1eadn v\u1ec1 s\u1ef1 ph\u00f9 h\u1ee3p c\u1ee7a d\u00f2ng s\u1ea3n ph\u1ea9m. Kh\u00f4ng n\u00ean y\u00eau c\u1ea7u b\u1ed9 ph\u1eadn n\u00e0y \u0111\u01b0a ra cam k\u1ebft v\u1ec1 vi\u1ec7c tu\u00e2n th\u1ee7 NEC, t\u01b0 v\u1ea5n ph\u00e1p l\u00fd, ho\u1eb7c thay th\u1ebf cho c\u01a1 quan c\u00f3 th\u1ea9m quy\u1ec1n v\u00e0 \u0111\u1ed9i ng\u0169 thi\u1ebft k\u1ebf \u0111\u1ee7 n\u0103ng l\u1ef1c. \u0110\u1ed1i v\u1edbi c\u00e1c \u0111i\u1ec1u ki\u1ec7n \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd, quan tr\u1ecdng ho\u1eb7c b\u1ea5t th\u01b0\u1eddng, h\u00e3y c\u00f3 s\u1ef1 tham gia c\u1ee7a ch\u1ee7 \u0111\u1ea7u t\u01b0, k\u1ef9 s\u01b0 \u0111\u1ee7 n\u0103ng l\u1ef1c, \u0111\u01a1n v\u1ecb l\u1eafp \u0111\u1eb7t, c\u00f4ng ty \u0111i\u1ec7n l\u1ef1c n\u1ebfu c\u00f3 li\u00ean quan v\u00e0 c\u01a1 quan c\u00f3 th\u1ea9m quy\u1ec1n (AHJ). G\u1eedi th\u00f4ng tin d\u1ef1 \u00e1n c\u00f3 s\u1eb5n qua <a href=\"https:\/\/cnbygele.com\/vi\/contact-us\/\">Trang li\u00ean h\u1ec7 CNBYG<\/a>.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"frequently-asked-questions\">C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n<h3 style=\"margin:28px 0 12px\">Danh m\u1ee5c ki\u1ec3m tra n\u00e0y c\u00f3 tu\u00e2n th\u1ee7 NEC kh\u00f4ng?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Kh\u00f4ng. S\u1ef1 tu\u00e2n th\u1ee7 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi phi\u00ean b\u1ea3n quy chu\u1ea9n \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng, chi ti\u1ebft l\u1eafp \u0111\u1eb7t, c\u01a1 quan c\u00f3 th\u1ea9m quy\u1ec1n (AHJ), c\u00f9ng v\u1edbi \u0111\u1ed9i ng\u0169 thi\u1ebft k\u1ebf v\u00e0 l\u1eafp \u0111\u1eb7t \u0111\u1ee7 \u0111i\u1ec1u ki\u1ec7n.<\/p>\n<h3 style=\"margin:28px 0 12px\">Nh\u1eefng c\u00e2u h\u1ecfi ng\u1eaft k\u1ebft n\u1ed1i n\u00e0o n\u00ean \u0111\u01b0\u1ee3c xem x\u00e9t?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">L\u1eadp h\u1ed3 s\u01a1 v\u1ec1 c\u00e1c h\u01b0\u1edbng d\u1eabn li\u1ec7t k\u00ea thi\u1ebft b\u1ecb, ph\u01b0\u01a1ng ti\u1ec7n ng\u1eaft \u0111i\u1ec7n, th\u00f4ng tin v\u1ec1 d\u00f2ng s\u1ef1 c\u1ed1 hi\u1ec7n c\u00f3, kh\u00f4ng gian l\u00e0m vi\u1ec7c v\u00e0 b\u00ean s\u1ebd \u0111\u01b0a ra c\u00e1ch gi\u1ea3i th\u00edch m\u00e3 quy chu\u1ea9n cu\u1ed1i c\u00f9ng.<\/p>\n<h3 style=\"margin:28px 0 12px\">Vi\u1ec7c n\u1ed1i \u0111\u1ea5t v\u00e0 li\u00ean k\u1ebft c\u00f3 gi\u1ed1ng nh\u01b0 vi\u1ec7c gi\u1ea3m s\u00f3ng h\u00e0i kh\u00f4ng?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Kh\u00f4ng. Ti\u1ebfp \u0111\u1ecba v\u00e0 li\u00ean k\u1ebft \u0111\u1eb3ng th\u1ebf l\u00e0 v\u1ea5n \u0111\u1ec1 an to\u00e0n l\u1eafp \u0111\u1eb7t v\u00e0 tham chi\u1ebfu t\u00edn hi\u1ec7u. Ch\u00fang ph\u1ea3i \u0111\u01b0\u1ee3c xem x\u00e9t t\u00e1ch bi\u1ec7t v\u1edbi b\u1ea5t k\u1ef3 m\u1ee5c ti\u00eau d\u00f2ng \u0111i\u1ec7n s\u00f3ng h\u00e0i n\u00e0o \u0111\u01b0\u1ee3c \u0111o \u0111\u1ea1c.<\/p>\n<h3 style=\"margin:28px 0 12px\">M\u1ed9t ph\u00e9p \u0111o c\u00f3 \u0111\u1ee7 \u0111\u1ec3 l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb gi\u1ea3m thi\u1ec3u hay kh\u00f4ng?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Th\u01b0\u1eddng th\u00ec kh\u00f4ng. V\u1ecb tr\u00ed \u0111\u1eb7t c\u00f4ng t\u01a1, \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh, th\u1eddi gian, s\u01a1 \u0111\u1ed3 \u0442\u043e\u043f\u043e h\u1ecdc \u0111i\u1ec7n v\u00e0 m\u1ee5c ti\u00eau d\u1ef1 \u00e1n quy\u1ebft \u0111\u1ecbnh xem d\u1eef li\u1ec7u c\u00f3 t\u00ednh \u0111\u1ea1i di\u1ec7n hay kh\u00f4ng.<\/p>\n<h3 style=\"margin:28px 0 12px\">C\u00f3 th\u1ec3 ch\u1ecdn thi\u1ebft b\u1ecb ch\u1ec9 d\u1ef1a tr\u00ean t\u1ea3i \u0111\u00e3 k\u1ebft n\u1ed1i kh\u00f4ng?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Kh\u00f4ng. M\u1ed9t cu\u1ed9c th\u1ea3o lu\u1eadn v\u1ec1 dung l\u01b0\u1ee3ng c\u1ea7n c\u00f3 h\u00e0nh vi \u0111\u01b0\u1ee3c \u0111o l\u01b0\u1eddng, c\u1ea5u h\u00ecnh ho\u1ea1t \u0111\u1ed9ng, c\u1ea5u tr\u00fac topology c\u00e0i \u0111\u1eb7t v\u00e0 m\u1ee5c ti\u00eau ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh r\u00f5.<\/p>\n<h3 style=\"margin:28px 0 12px\">B\u00e0i vi\u1ebft n\u00e0y c\u00f3 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 v\u1ec1 m\u1eb7t tu\u00e2n th\u1ee7 ho\u1eb7c v\u1eadn h\u00e0nh kh\u00f4ng?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Kh\u00f4ng. C\u00e1c \u0111i\u1ec1u ki\u1ec7n hi\u1ec7n tr\u01b0\u1eddng, vi\u1ec7c \u00e1p d\u1ee5ng ti\u00eau chu\u1ea9n, ti\u00eau ch\u00ed nghi\u1ec7m thu v\u00e0 c\u00f4ng t\u00e1c v\u1eadn h\u00e0nh th\u1eed ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn cho d\u1ef1 \u00e1n c\u1ee5 th\u1ec3.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"references\">T\u00e0i li\u1ec7u tham kh\u1ea3o<\/h2>\n<ul style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/standards.ieee.org\/ieee\/519\/5892\/\" rel=\"nofollow noopener\" target=\"_blank\">IEEE 519 \u2014 Ki\u1ec3m so\u00e1t s\u00f3ng h\u00e0i trong h\u1ec7 th\u1ed1ng \u0111i\u1ec7n<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/www.nfpa.org\/codes-and-standards\/nfpa-70-standard-development\/70\" rel=\"nofollow noopener\" target=\"_blank\">Th\u00f4ng tin v\u1ec1 Ti\u00eau chu\u1ea9n NFPA 70 \u2014 B\u1ed9 lu\u1eadt \u0110i\u1ec7n Qu\u1ed1c gia<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/www.nema.org\/standards\/view\/motors-and-generators\" rel=\"nofollow noopener\" target=\"_blank\">NEMA MG 1 \u2014 \u0110\u1ed9ng c\u01a1 v\u00e0 M\u00e1y ph\u00e1t \u0111i\u1ec7n<\/a><\/li>\n<\/ul>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>U.s. installation review points for harmonic mitigation equipment should begin with a documented electrical boundary, representative operating record, and a defined decision. A meter reading, a component nameplate, or a single switching event does not by itself establish the cause, the required equipment, or the acceptance criteria. Contents Part 1. Define the decision boundary Part [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_gspb_post_css":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-2221","post","type-post","status-publish","format-standard","hentry","category-blog"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":7}},"acf":[],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/posts\/2221","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/comments?post=2221"}],"version-history":[{"count":1,"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/posts\/2221\/revisions"}],"predecessor-version":[{"id":2546,"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/posts\/2221\/revisions\/2546"}],"wp:attachment":[{"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/media?parent=2221"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/categories?post=2221"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/tags?post=2221"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}