{"id":2317,"date":"2026-08-05T02:22:52","date_gmt":"2026-08-04T18:22:52","guid":{"rendered":"https:\/\/cnbygele.com\/?p=2317"},"modified":"2026-08-24T17:24:42","modified_gmt":"2026-08-24T09:24:42","slug":"apf-sizing-calculation-measured-harmonic-current","status":"publish","type":"post","link":"https:\/\/cnbygele.com\/vi\/blog\/apf-sizing-calculation-measured-harmonic-current\/","title":{"rendered":"K\u00edch th\u01b0\u1edbc APF d\u1ef1a tr\u00ean D\u00f2ng \u0111i\u1ec7n s\u00f3ng h\u00e0i \u0111o \u0111\u01b0\u1ee3c: C\u00e1c b\u01b0\u1edbc kVA"},"content":{"rendered":"<div class=\"b2b-article\">\n<p style=\"margin:0 0 16px;line-height:1.7\"><strong>Vi\u1ec7c t\u00ednh to\u00e1n k\u00edch th\u01b0\u1edbc APF n\u00ean b\u1eaft \u0111\u1ea7u b\u1eb1ng m\u1ed9t c\u1ea5u h\u00ecnh d\u00f2ng \u0111i\u1ec7n s\u00f3ng h\u00e0i \u0111\u01b0\u1ee3c \u0111o \u0111\u1ea1c t\u1ea1i \u0111i\u1ec3m tham chi\u1ebfu \u0111\u00e3 th\u1ed1ng nh\u1ea5t, ch\u1ee9 kh\u00f4ng ph\u1ea3i t\u1eeb c\u00f4ng su\u1ea5t bi\u1ec3u ki\u1ebfn (kVA) k\u1ebft n\u1ed1i, \u0111\u1ecbnh m\u1ee9c aptomat, hay m\u1ed9t t\u1ef7 l\u1ec7 ph\u1ea7n tr\u0103m THD \u0111\u01b0\u1ee3c sao ch\u00e9p t\u1eeb m\u00e0n h\u00ecnh c\u1ee7a b\u1ed9 bi\u1ebfn t\u1ea7n.<\/strong> Tr\u01b0\u1edbc khi th\u1ea3o lu\u1eadn v\u1ec1 c\u00f4ng su\u1ea5t, nh\u00f3m d\u1ef1 \u00e1n ph\u1ea3i x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed b\u1ed9 l\u1ecdc quan s\u00e1t d\u00f2ng \u0111i\u1ec7n, tr\u1ea1ng th\u00e1i v\u1eadn h\u00e0nh n\u00e0o \u0111\u00e3 \u0111\u01b0\u1ee3c ghi l\u1ea1i, c\u00e1c b\u1eadc s\u00f3ng h\u00e0i ri\u00eang l\u1ebb \u0111\u01b0\u1ee3c t\u1ed5ng h\u1ee3p nh\u01b0 th\u1ebf n\u00e0o, v\u00e0 m\u1ee5c ti\u00eau gi\u1ea3m thi\u1ec3u m\u00e0 b\u00e1o gi\u00e1 c\u1ee7a nh\u00e0 cung c\u1ea5p ph\u1ea3i \u0111\u00e1p \u1ee9ng.<\/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=\"#lock-the-sizing-reference-point-and-ct-plan\">Kh\u00f3a \u0111i\u1ec3m tham chi\u1ebfu k\u00edch th\u01b0\u1edbc v\u00e0 k\u1ebf ho\u1ea1ch CT<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#turn-harmonic-spectra-into-kva-inputs\">Chuy\u1ec3n \u0111\u1ed5i ph\u1ed5 s\u00f3ng h\u00e0i th\u00e0nh c\u00e1c \u0111\u1ea7u v\u00e0o kVA<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#keep-standards-context-separate-from-nameplate-shortcuts\">Gi\u1eef ng\u1eef c\u1ea3nh ti\u00eau chu\u1ea9n t\u00e1ch bi\u1ec7t v\u1edbi c\u00e1c ph\u00edm t\u1eaft b\u1ea3ng t\u00ean<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#shortlist-mitigation-only-after-the-demand-record-is-complete\">Ch\u1ec9 l\u1eadp danh s\u00e1ch r\u00fat g\u1ecdn c\u00e1c bi\u1ec7n ph\u00e1p gi\u1ea3m thi\u1ec3u sau khi h\u1ed3 s\u01a1 nhu c\u1ea7u \u0111\u00e3 ho\u00e0n ch\u1ec9nh<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#package-an-apf-sizing-rfq-with-comparable-operating-states\">\u0110\u00f3ng g\u00f3i y\u00eau c\u1ea7u b\u00e1o gi\u00e1 (RFQ) k\u00edch th\u01b0\u1edbc APF v\u1edbi c\u00e1c tr\u1ea1ng th\u00e1i v\u1eadn h\u00e0nh t\u01b0\u01a1ng \u0111\u01b0\u01a1ng<\/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 x\u00e1c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc APF n\u00ean b\u1eaft \u0111\u1ea7u b\u1eb1ng m\u1ed9t h\u1ed3 s\u01a1 d\u00f2ng \u0111i\u1ec7n s\u00f3ng h\u00e0i \u0111\u01b0\u1ee3c \u0111o t\u1ea1i \u0111i\u1ec3m tham chi\u1ebfu \u0111\u00e3 th\u1ecfa thu\u1eadn, ch\u1ee9 kh\u00f4ng ph\u1ea3i t\u1eeb c\u00f4ng su\u1ea5t kVA k\u1ebft n\u1ed1i, \u0111\u1ecbnh m\u1ee9c aptomat, ho\u1eb7c t\u1ef7 l\u1ec7 THD \u0111\u01b0\u1ee3c ch\u00e9p t\u1eeb m\u00e0n h\u00ecnh c\u1ee7a b\u1ed9 bi\u1ebfn t\u1ea7n. Tr\u01b0\u1edbc khi th\u1ea3o lu\u1eadn v\u1ec1 c\u00f4ng su\u1ea5t, nh\u00f3m d\u1ef1 \u00e1n n\u00ean x\u00e1c \u0111\u1ecbnh n\u01a1i b\u1ed9 l\u1ecdc s\u1ebd quan s\u00e1t d\u00f2ng \u0111i\u1ec7n, nh\u1eefng tr\u1ea1ng th\u00e1i v\u1eadn h\u00e0nh n\u00e0o \u0111\u00e3 \u0111\u01b0\u1ee3c ghi nh\u1eadn, c\u00e1ch c\u00e1c b\u1eadc s\u00f3ng h\u00e0i ri\u00eang l\u1ebb \u0111\u01b0\u1ee3c t\u1ed5ng h\u1ee3p, v\u00e0 m\u1ee5c ti\u00eau gi\u1ea3m thi\u1ec3u m\u00e0 b\u00e1o gi\u00e1 c\u1ee7a nh\u00e0 cung c\u1ea5p ph\u1ea3i \u0111\u00e1p \u1ee9ng.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">C\u00e1c cu\u1ed9c th\u1ea3o lu\u1eadn v\u1ec1 c\u00f4ng su\u1ea5t th\u01b0\u1eddng \u0111i sai h\u01b0\u1edbng khi c\u00e1c nh\u00f3m coi m\u1ed9t ch\u1ec9 s\u1ed1 \u0111\u1ecdc THD c\u1ee7a bi\u1ebfn t\u1ea7n, nh\u00e3n m\u00e1y bi\u1ebfn \u00e1p, ho\u1eb7c m\u1ed9t gi\u00e1 tr\u1ecb d\u00f2ng \u0111i\u1ec7n \u0111\u1ec9nh \u0111\u01a1n l\u1ebb l\u00e0 c\u00e2u tr\u1ea3 l\u1eddi APF kVA. H\u1ed3 s\u01a1 t\u00ednh to\u00e1n k\u00edch th\u01b0\u1edbc ph\u1ea3i li\u00ean k\u1ebft t\u1eebng b\u1eadc s\u00f3ng h\u00e0i v\u1edbi m\u1ed9t v\u1ecb tr\u00ed CT, m\u1ed9t kho\u1ea3ng th\u1eddi gian nhu c\u1ea7u, v\u00e0 m\u1ed9t tr\u1ea1ng th\u00e1i v\u1eadn h\u00e0nh c\u1ee5 th\u1ec3. CNBYG c\u00f3 th\u1ec3 th\u1ea3o lu\u1eadn v\u1ec1 b\u1ed1i c\u1ea3nh d\u00f2ng s\u1ea3n ph\u1ea9m B\u1ed9 l\u1ecdc s\u00f3ng h\u00e0i ch\u1ee7 \u0111\u1ed9ng AHF khi m\u1ee5c ti\u00eau x\u00e1c \u0111\u1ecbnh l\u00e0 gi\u1ea3m thi\u1ec3u d\u00f2ng s\u00f3ng h\u00e0i \u0111\u00e3 \u0111o \u0111\u1ea1c. N\u00f3 kh\u00f4ng th\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 s\u00f3ng h\u00e0i, s\u1ef1 tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n IEEE 519, ho\u1eb7c thay th\u1ebf cho m\u1ed9t nghi\u00ean c\u1ee9u v\u1ec1 b\u1ea3o v\u1ec7 hay l\u01b0\u1edbi \u0111i\u1ec7n t\u1eeb m\u1ed9t b\u00e0i b\u00e1o. S\u1eed d\u1ee5ng <a href=\"https:\/\/cnbygele.com\/vi\/power-quality-system-guides\/\">H\u01b0\u1edbng d\u1eabn K\u1ef9 thu\u1eadt H\u1ec7 th\u1ed1ng Ch\u1ea5t l\u01b0\u1ee3ng \u0110i\u1ec7n<\/a> \u0111\u1ec3 \u0111i\u1ec1u h\u01b0\u1edbng r\u1ed9ng h\u01a1n.<\/p>\n<figure class=\"wp-block-image size-large\" style=\"clear:both;display:block;margin:28px 0;float:none;width:100%;\"><img decoding=\"async\" src=\"https:\/\/cnbygele.com\/wp-content\/uploads\/2026\/07\/active-harmonic-filter-ahf-selection-guide-body.webp\" alt=\"T\u00ednh to\u00e1n k\u00edch th\u01b0\u1edbc APF t\u1eeb d\u00f2ng \u0111i\u1ec7n s\u00f3ng h\u00e0i \u0111o \u0111\u01b0\u1ee3c t\u1ea1i thanh c\u00e1i c\u00f4ng nghi\u1ec7p\" class=\"alignnone size-large\" style=\"display:block;max-width:640px;height:auto;float:none;margin:0 auto;\" \/><\/figure>\n<p style=\"clear:both;margin:0;padding:0;height:0;line-height:0;\">&nbsp;<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"lock-the-sizing-reference-point-and-ct-plan\">Kh\u00f3a \u0111i\u1ec3m tham chi\u1ebfu k\u00edch th\u01b0\u1edbc v\u00e0 k\u1ebf ho\u1ea1ch CT<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Tr\u01b0\u1edbc h\u1ebft, h\u00e3y ghi l\u1ea1i ch\u00ednh x\u00e1c tuy\u1ebfn bu\u00fdt ho\u1eb7c nh\u00e1nh c\u1ea5p ngu\u1ed3n n\u01a1i b\u1ed9 l\u1ecdc t\u00edch c\u1ef1c s\u1ebd quan s\u00e1t d\u00f2ng \u0111i\u1ec7n. Ph\u00e9p \u0111o nh\u00e1nh h\u1ea1 l\u01b0u gi\u1ea3i th\u00edch h\u00e0nh vi c\u1ee7a b\u1ed9 truy\u1ec1n \u0111\u1ed9ng c\u1ee5c b\u1ed9, trong khi k\u1ebft qu\u1ea3 \u0111\u1ecdc \u1edf cu\u1ed9n th\u1ee9 c\u1ea5p m\u00e1y bi\u1ebfn \u00e1p ho\u1eb7c \u0111i\u1ec3m chung PCC h\u1ed7 tr\u1ee3 m\u1ed9t y\u00eau c\u1ea7u mua s\u1eafm kh\u00e1c. Ghi ch\u00fa t\u1ef7 s\u1ed1 bi\u1ebfn d\u00f2ng CT, c\u1ef1c t\u00ednh, ph\u00e2n pha, c\u1ea5p ch\u00ednh x\u00e1c c\u1ee7a \u0111\u1ed3ng h\u1ed3 \u0111o, c\u1eeda s\u1ed5 t\u1eadp h\u1ee3p d\u1eef li\u1ec7u v\u00e0 vi\u1ec7c thi\u1ebft b\u1ecb ghi d\u1eef li\u1ec7u c\u00f3 thu th\u1eadp tham chi\u1ebfu \u0111i\u1ec7n \u00e1p \u0111\u1ec3 t\u00ednh to\u00e1n c\u00f4ng su\u1ea5t s\u00f3ng h\u00e0i hay kh\u00f4ng.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u0110\u1ed1i v\u1edbi vi\u1ec7c \u0111\u00e1nh gi\u00e1 k\u00edch th\u01b0\u1edbc d\u00f2ng \u0111i\u1ec7n h\u00e0i t\u1ea1i m\u1ed9t \u0111i\u1ec3m c\u1ea5p \u0111i\u1ec7n ho\u1eb7c PCC x\u00e1c \u0111\u1ecbnh, h\u00e3y l\u1eadp m\u1ed9t b\u1ea3n ghi c\u00f3 d\u1ea5u th\u1eddi gian bao g\u1ed3m c\u00e1c kho\u1ea3ng th\u1eddi gian s\u1ea3n xu\u1ea5t b\u00ecnh th\u01b0\u1eddng, kh\u1edfi \u0111\u1ed9ng, kh\u00f4ng t\u1ea3i, ch\u1ebf \u0111\u1ed9 nh\u00e1nh r\u1ebd b\u1ea3o tr\u00ec (maintenance bypass), \u0111\u00f3ng c\u1eaft t\u1ee5 \u0111i\u1ec7n v\u00e0 t\u1ea3i \u0111\u1ec9nh. H\u00e3y d\u00e1n nh\u00e3n ri\u00eang cho b\u1ea5t k\u1ef3 s\u1ef1 ki\u1ec7n b\u1ea5t th\u01b0\u1eddng n\u00e0o \u0111\u1ec3 m\u1ed9t bu\u1ed5i chi\u1ec1u b\u1ea5t th\u01b0\u1eddng kh\u00f4ng tr\u1edf th\u00e0nh c\u01a1 s\u1edf \u0111\u1ec3 t\u00ednh to\u00e1n k\u00edch th\u01b0\u1edbc. N\u1ebfu s\u1eed d\u1ee5ng hai \u0111\u1ed3ng h\u1ed3 \u0111o, h\u00e3y n\u00eau r\u00f5 \u0111\u1ed3ng h\u1ed3 n\u00e0o x\u00e1c \u0111\u1ecbnh y\u00eau c\u1ea7u b\u00e1o gi\u00e1 (RFQ).<\/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 v\u1ec1 k\u00edch th\u01b0\u1edbc<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">D\u1eef li\u1ec7u nh\u00e0 cung c\u1ea5p c\u1ea7n<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">T\u1ea1i sao \u0111i\u1ec1u \u0111\u00f3 quan tr\u1ecdng<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Nh\u1eefng \u0111\u01a1n h\u00e0ng n\u00e0o th\u00fac \u0111\u1ea9y kh\u1ea3 n\u0103ng mang d\u00f2ng \u0111i\u1ec7n?<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Ampe s\u00f3ng h\u00e0i t\u00ednh theo t\u1eebng \u0111\u01a1n v\u1ecb \u0111\u01a1n h\u00e0ng t\u1ea1i tham chi\u1ebfu CT<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">C\u00e1c cu\u1ed9c th\u1ea3o lu\u1eadn v\u1ec1 kVA theo d\u00f5i d\u00f2ng \u0111i\u1ec7n, kh\u00f4ng ch\u1ec9 ri\u00eang THD<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Kho\u1ea3ng th\u1eddi gian nhu c\u1ea7u n\u00e0o \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng?<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">T\u1ed5ng h\u1ee3p 15 ph\u00fat ho\u1eb7c theo h\u1ee3p \u0111\u1ed3ng nh\u01b0 \u0111\u00e3 th\u1ecfa thu\u1eadn<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0110\u1ec9nh tr\u00f9ng l\u1eb7p thay \u0111\u1ed5i kho\u1ea3ng kh\u00f4ng y\u00eau c\u1ea7u<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">T\u1ea3i tr\u1ecdng c\u00f3 mang t\u00ednh \u0111\u1ea1i di\u1ec7n kh\u00f4ng?<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Nh\u1eadt k\u00fd v\u1eadn h\u00e0nh g\u1eafn li\u1ec1n v\u1edbi t\u1eebng c\u1eeda s\u1ed5 ghi h\u00ecnh<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Ng\u0103n ch\u1eb7n vi\u1ec7c b\u00e1o gi\u00e1 d\u1ef1a tr\u00ean c\u00e1c tr\u1ea1ng th\u00e1i ch\u1edd ho\u1eb7c tr\u1ea1ng th\u00e1i ki\u1ec3m th\u1eed<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">C\u00e1i g\u00ec \u0111\u00e3 \u1edf tr\u00ean xe bu\u00fdt r\u1ed3i?<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">D\u1eef li\u1ec7u v\u1ec1 t\u1ee5 \u0111i\u1ec7n, cu\u1ed9n kh\u00e1ng, b\u1ed9 l\u1ecdc, bi\u1ebfn t\u1ea7n, m\u00e1y bi\u1ebfn \u00e1p<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Thay \u0111\u1ed5i t\u01b0\u01a1ng t\u00e1c l\u00e0m thay \u0111\u1ed5i l\u1ec1 k\u00edch th\u01b0\u1edbc th\u1ef1c t\u1ebf<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"margin:0 0 16px;line-height:1.7\"><strong>Quan tr\u1ecdng:<\/strong> Kh\u00f4ng k\u00edch th\u01b0\u1edbc m\u1ed9t b\u1ed9 l\u1ecdc n\u0103ng l\u01b0\u1ee3ng t\u00edch c\u1ef1c (APF) ch\u1ec9 d\u1ef1a tr\u00ean ph\u1ea7n tr\u0103m THD m\u00e0 kh\u00f4ng c\u00f3 gi\u00e1 tr\u1ecb d\u00f2ng \u0111i\u1ec7n s\u00f3ng h\u00e0i t\u1ea1i \u0111i\u1ec3m chu\u1ea9n c\u1ee7a m\u00e1y bi\u1ebfn d\u00f2ng (CT) (Ngu\u1ed3n: <a href=\"https:\/\/cnbygele.com\/vi\/blog\/ieee-519-harmonic-limits-apf-sizing\/\">Ng\u1eef c\u1ea3nh v\u1ec1 gi\u1edbi h\u1ea1n s\u00f3ng h\u00e0i IEEE 519 v\u00e0 k\u00edch th\u01b0\u1edbc b\u1ed9 l\u1ecdc c\u00f4ng su\u1ea5t t\u00edch c\u1ef1c (APF)<\/a>Ri\u00eang THD kh\u00f4ng cho bi\u1ebft m\u1ed7i b\u1eadc s\u00f3ng h\u00e0i \u0111\u00f3ng g\u00f3p bao nhi\u00eau d\u00f2ng \u0111i\u1ec7n t\u1ea1i \u0111i\u1ec3m k\u1ebft n\u1ed1i m\u00e0 b\u1ed9 l\u1ecdc s\u1ebd s\u1eed d\u1ee5ng.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"turn-harmonic-spectra-into-kva-inputs\">Chuy\u1ec3n \u0111\u1ed5i ph\u1ed5 s\u00f3ng h\u00e0i th\u00e0nh c\u00e1c \u0111\u1ea7u v\u00e0o kVA<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Xu\u1ea5t c\u00e1c ph\u1ed5 v\u1edbi c\u00e1c \u0111\u01a1n v\u1ecb t\u01b0\u1eddng minh: ampe theo b\u1eadc, kh\u00f4ng ch\u1ec9 ph\u1ea7n tr\u0103m c\u1ee7a s\u00f3ng c\u01a1 b\u1ea3n. Ghi l\u1ea1i gi\u00e1 tr\u1ecb ampe c\u01a1 b\u1ea3n, d\u00f2ng \u0111i\u1ec7n trung t\u00ednh n\u1ebfu c\u00f3, v\u00e0 li\u1ec7u thi\u1ebft b\u1ecb ghi d\u1eef li\u1ec7u c\u00f3 \u00e1p d\u1ee5ng kho\u1ea3ng th\u1eddi gian nhu c\u1ea7u \u0111\u1ed3ng nh\u1ea5t hay kh\u00f4ng. Khi c\u00f3 nhi\u1ec1u tr\u1ea1ng th\u00e1i v\u1eadn h\u00e0nh, h\u00e3y t\u1ea1o m\u1ed9t b\u1ea3ng nh\u1ecf g\u1ed3m c\u00e1c c\u1eeda s\u1ed5 tr\u01b0\u1eddng h\u1ee3p x\u1ea5u nh\u1ea5t v\u00e0 \u0111i\u1ec3n h\u00ecnh thay v\u00ec l\u1ea5y trung b\u00ecnh c\u00e1c kho\u1ea3ng th\u1eddi gian kh\u00f4ng gi\u1ed1ng nhau.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">Nhi\u1ec1u \u0111\u1ed9i ng\u0169 tu\u00e2n theo m\u1ed9t tr\u00ecnh t\u1ef1 th\u1ef1c t\u1ebf:<\/p>\n<ul style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\">X\u00e1c \u0111\u1ecbnh c\u00e1c b\u1eadc s\u00f3ng h\u00e0i h\u00e0ng \u0111\u1ea7u v\u01b0\u1ee3t qu\u00e1 ng\u01b0\u1ee1ng th\u1ea3o lu\u1eadn c\u1ee7a d\u1ef1 \u00e1n t\u1ea1i \u0111i\u1ec3m tham chi\u1ebfu k\u00edch th\u01b0\u1edbc.<\/li>\n<li style=\"margin:0 0 8px\">L\u01b0u \u00fd xem c\u00e1c \u0111\u01a1n h\u00e0ng \u0111\u00f3 c\u00f3 t\u0103ng c\u00f9ng nhau trong th\u1eddi gian cao \u0111i\u1ec3m s\u1ea3n xu\u1ea5t hay ch\u1ec9 trong c\u00e1c tr\u00ecnh t\u1ef1 c\u1ee5 th\u1ec3.<\/li>\n<li style=\"margin:0 0 8px\">So s\u00e1nh t\u1eadp h\u1ee3p \u0111\u00e3 \u0111o v\u1edbi b\u1ea5t k\u1ef3 c\u00e0i \u0111\u1eb7t \u0111i\u1ec1u ch\u1ec9nh th\u1ee5 \u0111\u1ed9ng ho\u1eb7c b\u1ed9 l\u1ecdc c\u0169 n\u00e0o hi\u1ec7n c\u00f3 tr\u00ean c\u00f9ng m\u1ed9t bus.<\/li>\n<li style=\"margin:0 0 8px\">Ghi l\u1ea1i c\u00e1c k\u1ef3 v\u1ecdng v\u1ec1 d\u01b0 l\u01b0\u1ee3ng c\u00f4ng su\u1ea5t d\u1ef1 ph\u00f2ng m\u00e0 ch\u1ee7 \u0111\u1ea7u t\u01b0 mong mu\u1ed1n cho c\u00e1c l\u1ea7n b\u1ed5 sung t\u1ea3i trong t\u01b0\u01a1ng lai.<\/li>\n<\/ul>\n<p style=\"margin:0 0 16px;line-height:1.7\">Dao \u0111\u1ed9ng c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng v\u00e0 c\u00e1c s\u1ef1 ki\u1ec7n \u0111i\u1ec7n \u00e1p c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n trong c\u00f9ng c\u00e1c t\u1ec7p. Gi\u1eef l\u1ea1i c\u00e1c c\u1ed9t \u0111\u00f3 trong b\u1ea3n ghi, nh\u01b0ng kh\u00f4ng thay th\u1ebf c\u00e1c m\u1ee5c ti\u00eau hi\u1ec7u ch\u1ec9nh h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t b\u1eb1ng vi\u1ec7c gi\u1ea3m s\u00f3ng h\u00e0i d\u00f2ng \u0111i\u1ec7n tr\u1eeb khi \u0111\u00f3 l\u00e0 m\u1ee5c ti\u00eau \u0111\u01b0\u1ee3c n\u00eau r\u00f5.<\/p>\n<figure class=\"wp-block-image size-large\" style=\"clear:both;display:block;margin:28px 0;float:none;width:100%;\"><img decoding=\"async\" src=\"https:\/\/cnbygele.com\/wp-content\/uploads\/2026\/07\/active-harmonic-filter-ahf-selection-guide-cover.webp\" alt=\"Ph\u1ed5 s\u00f3ng h\u00e0i v\u00e0 bi\u1ec3u \u0111\u1ed3 ph\u1ee5 t\u1ea3i \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 c\u00f4ng su\u1ea5t b\u1ed9 l\u1ecdc s\u00f3ng h\u00e0i t\u00edch c\u1ef1c (APF)\" class=\"alignnone size-large\" style=\"display:block;max-width:640px;height:auto;float:none;margin:0 auto;\" \/><\/figure>\n<p style=\"clear:both;margin:0;padding:0;height:0;line-height:0;\">&nbsp;<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"keep-standards-context-separate-from-nameplate-shortcuts\">Gi\u1eef ng\u1eef c\u1ea3nh ti\u00eau chu\u1ea9n t\u00e1ch bi\u1ec7t v\u1edbi c\u00e1c ph\u00edm t\u1eaft b\u1ea3ng t\u00ean<\/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 ti\u00eau chu\u1ea9n IEEE 519<\/a> gi\u00fap c\u00e1c nh\u00f3m th\u1ea3o lu\u1eadn v\u1ec1 \u0111i\u1ec1u khi\u1ec3n s\u00f3ng h\u00e0i t\u1ea1i c\u00e1c ranh gi\u1edbi h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh. N\u00f3 kh\u00f4ng thay th\u1ebf cho m\u1ed9t nghi\u00ean c\u1ee9u c\u1ee5 th\u1ec3 c\u1ee7a d\u1ef1 \u00e1n, \u0111\u00e1nh gi\u00e1 b\u1ea3o v\u1ec7, hay ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3m \u0111\u1ecbnh m\u1ee9c c\u1ee7a nh\u00e0 cung c\u1ea5p. T\u01b0\u01a1ng t\u1ef1 nh\u01b0 v\u1eady, <a href=\"https:\/\/www.nema.org\/standards\/view\/motors-and-generators\" rel=\"nofollow noopener\" target=\"_blank\">NEMA MG 1<\/a> h\u1ed7 tr\u1ee3 ng\u1eef c\u1ea3nh h\u1ec7 th\u1ed1ng \u0111\u1ed9ng c\u01a1 nh\u01b0ng kh\u00f4ng ch\u1ee9ng minh \u0111\u01b0\u1ee3c t\u00ednh t\u01b0\u01a1ng th\u00edch tr\u00ean bo m\u1ea1ch c\u1ee7a b\u1ea1n.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">Khi m\u1ed9t ch\u1ee7 \u0111\u1ea7u t\u01b0 nh\u1eafc \u0111\u1ebfn ti\u00eau chu\u1ea9n IEEE 519, h\u00e3y ghi nh\u1eadn \u0111i\u1ec3m \u0111o \u00e1p d\u1ee5ng, c\u00e1c tr\u01b0\u1eddng h\u1ee3p v\u1eadn h\u00e0nh bao g\u1ed3m v\u00e0 li\u1ec7u y\u00eau c\u1ea7u \u0111\u00f3 mang t\u00ednh ch\u1ea5t h\u1ee3p \u0111\u1ed3ng hay ch\u1ec9 mang t\u00ednh tham kh\u1ea3o. M\u1ed9t b\u00e1o gi\u00e1 APF c\u1ea7n n\u00eau r\u00f5 c\u00e1c b\u1eadc s\u00f3ng h\u00e0i v\u00e0 \u0111i\u1ec3m chu\u1ea9n m\u00e0 dung l\u01b0\u1ee3ng \u0111\u00e1p \u1ee9ng. N\u1ebfu kh\u00f4ng c\u00f3 s\u1ef1 \u0111\u1ed3ng thu\u1eadn \u0111\u00f3, c\u00e1c tranh c\u00e3i sau khi l\u1eafp \u0111\u1eb7t th\u01b0\u1eddng b\u1eaft ngu\u1ed3n t\u1eeb nh\u1eefng gi\u1ea3 \u0111\u1ecbnh kh\u00f4ng kh\u1edbp thay v\u00ec hi\u1ec7u su\u1ea5t c\u1ee7a thi\u1ebft b\u1ecb.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"shortlist-mitigation-only-after-the-demand-record-is-complete\">Ch\u1ec9 l\u1eadp danh s\u00e1ch r\u00fat g\u1ecdn c\u00e1c bi\u1ec7n ph\u00e1p gi\u1ea3m thi\u1ec3u sau khi h\u1ed3 s\u01a1 nhu c\u1ea7u \u0111\u00e3 ho\u00e0n ch\u1ec9nh<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">B\u1ed9 l\u1ecdc t\u00edch c\u1ef1c \u0111\u00f3ng vai tr\u00f2 trong cu\u1ed9c h\u1ed9i th\u1ea3o khi m\u1ee5c ti\u00eau l\u00e0 gi\u1ea3m thi\u1ec3u d\u00f2ng \u0111i\u1ec7n h\u00e0i t\u1ea1i tham chi\u1ebfu \u0111\u00e3 x\u00e1c \u0111\u1ecbnh v\u00e0 \u0111\u01b0\u1eddng d\u1eabn t\u00edch h\u1ee3p \u0111\u00e3 \u0111\u01b0\u1ee3c hi\u1ec3u r\u00f5. B\u1ed9 l\u1ecdc th\u1ee5 \u0111\u1ed9ng, c\u00e1c d\u00e3y \u0111\u00e3 d\u1ecbch t\u1ea7n, thay \u0111\u1ed5i truy\u1ec1n \u0111\u1ed9ng ng\u01b0\u1ee3c d\u00f2ng, ho\u1eb7c l\u1eadp l\u1ecbch v\u1eadn h\u00e0nh c\u00f3 th\u1ec3 v\u1eabn l\u00e0 c\u00e1c gi\u1ea3i ph\u00e1p thay th\u1ebf h\u1ee3p l\u1ec7 t\u00f9y thu\u1ed9c v\u00e0o nghi\u00ean c\u1ee9u.<\/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\">Con \u0111\u01b0\u1eddng<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">H\u00e3y c\u00e2n nh\u1eafc khi<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">X\u00e1c nh\u1eadn tr\u01b0\u1edbc khi ch\u1ecdn<\/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\">Gi\u1ea3m thi\u1ec3u d\u00f2ng \u0111i\u1ec7n s\u00f3ng h\u00e0i \u0111o \u0111\u01b0\u1ee3c l\u00e0 m\u1ee5c ti\u00eau \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u00ean<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">S\u01a1 \u0111\u1ed3 m\u00e1y bi\u1ebfn d\u00f2ng (CT), \u0111i\u1ec3m k\u1ebft n\u1ed1i, l\u00e0m m\u00e1t, b\u1ea3o v\u1ec7, \u0111i\u1ec1u khi\u1ec3n, th\u1eed nghi\u1ec7m nghi\u1ec7m thu<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">SVG \/ ASVG<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">H\u1ed7 tr\u1ee3 ph\u1ea3n \u0111\u1ed9ng \u0111\u1ed9ng l\u00e0 m\u1ee5c ti\u00eau ch\u00ednh<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Ng\u1eef c\u1ea3nh \u0111i\u1ec7n \u00e1p, b\u00f9 tr\u1eeb hi\u1ec7n c\u00f3, c\u00e1c ch\u1ebf \u0111\u1ed9 \u0111i\u1ec1u khi\u1ec3n<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">B\u1ed9 l\u1ecdc th\u1ee5 \u0111\u1ed9ng ho\u1eb7c t\u1ee5 b\u00f9 kh\u00e1ng \u0111i\u1ec7n<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Nghi\u00ean c\u1ee9u m\u1ea1ng l\u01b0\u1edbi cho th\u1ea5y m\u1ed9t h\u00e0m c\u1ed1 \u0111\u1ecbnh v\u1edbi bi\u00ean \u0111\u1ed9 c\u1ed9ng h\u01b0\u1edfng c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Chuy\u1ec3n ca, \u0111i\u1ec1u ch\u1ec9nh, b\u1ea3o tr\u00ec<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Thay \u0111\u1ed5i ngu\u1ed3n ho\u1eb7c l\u1ecbch tr\u00ecnh<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">D\u00f2ng \u0111i\u1ec7n phi tuy\u1ebfn t\u00ednh c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3m b\u1edbt \u1edf ph\u00eda th\u01b0\u1ee3ng ngu\u1ed3n<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Ph\u1ea1m vi ch\u1ee7 s\u1edf h\u1eefu, t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn s\u1ea3n xu\u1ea5t, t\u00e0i li\u1ec7u<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"margin:0 0 16px;line-height:1.7\">Xem <a href=\"https:\/\/cnbygele.com\/vi\/product\/ahf-active-harmonic-filter-harmonic-control\/\">Trang B\u1ed9 l\u1ecdc s\u00f3ng h\u00e0i t\u00edch c\u1ef1c CNBYG AHF<\/a> cho b\u1ed1i c\u1ea3nh d\u00f2ng s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u1edbi d\u1eef li\u1ec7u d\u1ef1 \u00e1n. B\u00e0i vi\u1ebft \u0111i k\u00e8m tr\u00ean <a href=\"https:\/\/cnbygele.com\/vi\/blog\/vfd-harmonics-industrial-plants-apf-selection\/\">\u0110o s\u00f3ng h\u00e0i bi\u1ebfn t\u1ea7n (VFD) v\u00e0 l\u1ef1a ch\u1ecdn b\u1ed9 l\u1ecdc t\u00edch c\u1ef1c (APF)<\/a> \u0111i qua c\u00e1c nh\u00e0 m\u00e1y n\u1eb7ng v\u1ec1 truy\u1ec1n \u0111\u1ed9ng, n\u01a1i \u00e1p d\u1ee5ng c\u00f9ng m\u1ed9t nguy\u00ean t\u1eafc \u0111o l\u01b0\u1eddng.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"package-an-apf-sizing-rfq-with-comparable-operating-states\">\u0110\u00f3ng g\u00f3i y\u00eau c\u1ea7u b\u00e1o gi\u00e1 (RFQ) k\u00edch th\u01b0\u1edbc APF v\u1edbi c\u00e1c tr\u1ea1ng th\u00e1i v\u1eadn h\u00e0nh t\u01b0\u01a1ng \u0111\u01b0\u01a1ng<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">G\u1eedi b\u1ea3n y\u00eau c\u1ea7u b\u00e1o gi\u00e1 (RFQ) k\u00e8m theo s\u01a1 \u0111\u1ed3 m\u1ed9t s\u1ee3i, \u0111i\u1ec7n \u00e1p danh \u0111\u1ecbnh v\u00e0 t\u1ea7n s\u1ed1, d\u1eef li\u1ec7u tr\u00ean nh\u00e3n m\u00e1y bi\u1ebfn \u00e1p, v\u1ecb tr\u00ed m\u00e1y bi\u1ebfn d\u00f2ng (CT), c\u00e1c t\u1ec7p ghi d\u1eef li\u1ec7u ho\u1eb7c b\u1ea3ng t\u00f3m t\u1eaft, l\u1ecbch v\u1eadn h\u00e0nh, c\u00e1c t\u1ee5 \u0111i\u1ec7n\/cu\u1ed9n kh\u00e1ng\/b\u1ed9 l\u1ecdc hi\u1ec7n c\u00f3, c\u00e0i \u0111\u1eb7t b\u1ea3o v\u1ec7, ng\u0103n l\u1ed9 l\u1eafp \u0111\u1eb7t d\u1ef1 ki\u1ebfn, \u01b0\u1edbc t\u00ednh chi\u1ec1u d\u00e0i c\u00e1p, gi\u1edbi h\u1ea1n l\u00e0m m\u00e1t v\u00e0 c\u00e1c giao di\u1ec7n truy\u1ec1n th\u00f4ng. N\u00eau r\u00f5 m\u1ee5c ti\u00eau l\u00e0 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 t\u1ea1i ch\u1ed7, gi\u1ea3m thi\u1ec3u s\u1ef1 c\u1ed1 l\u1ed9 ra hay m\u1ed9t ch\u1ec9 s\u1ed1 ranh gi\u1edbi \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">M\u00f4 t\u1ea3 quy\u1ebft \u0111\u1ecbnh m\u00e0 ch\u1ee7 \u0111\u1ea7u t\u01b0 mong \u0111\u1ee3i t\u1eeb b\u00e1o gi\u00e1: ch\u1ec9 cung c\u1ea5p thi\u1ebft b\u1ecb, cung c\u1ea5p k\u00e8m h\u1ed7 tr\u1ee3 ch\u1ea1y th\u1eed, ho\u1eb7c ki\u1ec3m tra hi\u1ec7u su\u1ea5t theo m\u1ed9t k\u1ebf ho\u1ea1ch th\u1eed nghi\u1ec7m \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh. CNBYG c\u00f3 th\u1ec3 xem x\u00e9t c\u00e1c \u0111\u1ea7u v\u00e0o n\u00e0y \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 t\u00ednh ph\u00f9 h\u1ee3p c\u1ee7a d\u00f2ng s\u1ea3n ph\u1ea9m. Kh\u00f4ng n\u00ean y\u00eau c\u1ea7u \u0111\u01a1n v\u1ecb n\u00e0y cam k\u1ebft v\u1ec1 k\u1ebft qu\u1ea3 s\u00f3ng h\u00e0i \u0111\u01b0\u1ee3c b\u1ea3o \u0111\u1ea3m, tu\u1ec7 th\u1ee7 ti\u00eau chu\u1ea9n IEEE 519, ho\u1eb7c thay th\u1ebf cho nghi\u00ean c\u1ee9u b\u1ea3o v\u1ec7 hay nghi\u00ean c\u1ee9u l\u01b0\u1edbi \u0111i\u1ec7n. S\u1eed d\u1ee5ng <a href=\"https:\/\/cnbygele.com\/vi\/contact-us\/\">Trang li\u00ean h\u1ec7 CNBYG<\/a> khi b\u1ea3n ghi s\u1eb5n s\u00e0ng.<\/p>\n<figure class=\"wp-block-image size-large\" style=\"clear:both;display:block;margin:28px 0;float:none;width:100%;\"><img decoding=\"async\" src=\"https:\/\/cnbygele.com\/wp-content\/uploads\/2026\/07\/3.1-AHF-Active-Harmonic-Filter.webp\" alt=\"B\u1ed1i c\u1ea3nh CNBYG AHF cho c\u00e1c y\u00eau c\u1ea7u b\u00e1o gi\u00e1 (RFQ) \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc APF d\u1ef1a tr\u00ean \u0111o l\u01b0\u1eddng\" class=\"alignnone size-large\" style=\"display:block;max-width:640px;height:auto;float:none;margin:0 auto;\" \/><\/figure>\n<p style=\"clear:both;margin:0;padding:0;height:0;line-height:0;\">&nbsp;<\/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\">C\u00f3 th\u1ec3 ch\u1ecdn kVA c\u1ee7a APF ch\u1ec9 d\u1ef1a tr\u00ean d\u1eef li\u1ec7u t\u1eeb nh\u00e3n m\u00e1y bi\u1ebfn \u00e1p hay kh\u00f4ng?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Kh\u00f4ng. C\u00f4ng su\u1ea5t kVA tr\u00ean nh\u00e3n m\u00e1y gi\u00fap x\u00e1c \u0111\u1ecbnh b\u1ed1i c\u1ea3nh l\u1eafp \u0111\u1eb7t, nh\u01b0ng vi\u1ec7c \u0111\u00e1nh gi\u00e1 c\u00f4ng su\u1ea5t c\u1ea7n d\u1eef li\u1ec7u d\u00f2ng \u0111i\u1ec7n h\u00e0i ho\u1eb7c ph\u1ed5 t\u1ea1i \u0111i\u1ec3m chu\u1ea9n \u0111\u00e3 th\u1ecfa thu\u1eadn c\u1ed9ng v\u1edbi c\u00e1c tr\u1ea1ng th\u00e1i v\u1eadn h\u00e0nh v\u00e0 s\u01a1 \u0111\u1ed3 CT.<\/p>\n<h3 style=\"margin:28px 0 12px\">K\u00edch th\u01b0\u1edbc n\u00ean s\u1eed d\u1ee5ng THD hay bi\u00ean \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n t\u1eebng s\u00f3ng h\u00e0i ri\u00eang l\u1ebb?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">C\u00e1c bi\u00ean \u0111\u1ed9 s\u00f3ng h\u00e0i \u0111\u01a1n l\u1ebb g\u1eafn li\u1ec1n v\u1edbi m\u1ed9t m\u1ee5c ti\u00eau x\u00e1c \u0111\u1ecbnh s\u1ebd h\u1eefu \u00edch h\u01a1n m\u1ed9t gi\u00e1 tr\u1ecb THD \u0111\u1ed9c l\u1eadp m\u00e0 kh\u00f4ng c\u00f3 ng\u1eef c\u1ea3nh v\u1ec1 nhu c\u1ea7u v\u00e0 b\u1eadc s\u00f3ng h\u00e0i.<\/p>\n<h3 style=\"margin:28px 0 12px\">C\u1ea7n \u0111o \u0111\u1ea1c trong bao l\u00e2u tr\u01b0\u1edbc khi g\u1eedi y\u00eau c\u1ea7u b\u00e1o gi\u00e1 (RFQ) k\u00edch th\u01b0\u1edbc APF?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u0110\u1ee7 d\u00e0i \u0111\u1ec3 ghi l\u1ea1i c\u00e1c tr\u1ea1ng th\u00e1i v\u1eadn h\u00e0nh mang t\u00ednh \u0111\u1ea1i di\u1ec7n. Nhi\u1ec1u nh\u00f3m c\u00f4ng nghi\u1ec7p ghi nh\u1eadt k\u00fd \u00edt nh\u1ea5t m\u1ed9t chu k\u1ef3 s\u1ea3n xu\u1ea5t \u0111\u1ea7y \u0111\u1ee7 v\u00e0 ghi ch\u00fa ri\u00eang bi\u1ec7t b\u1ea5t k\u1ef3 chuy\u1ec3n \u0111\u1ed5i theo m\u00f9a ho\u1eb7c b\u1ea3o tr\u00ec n\u00e0o.<\/p>\n<h3 style=\"margin:28px 0 12px\">M\u1ed9t bu\u1ed5i chi\u1ec1u \u0111o \u0111\u1ea1c c\u00f3 bi\u1ec7n minh \u0111\u01b0\u1ee3c cho m\u1ed9t \u0111\u01a1n \u0111\u1eb7t h\u00e0ng APF kh\u00f4ng?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Hi\u1ebfm khi. M\u1ed9t kho\u1ea3ng th\u1eddi gian \u0111o ng\u1eafn c\u00f3 th\u1ec3 b\u1ecf l\u1ee1 th\u1eddi \u0111i\u1ec3m tr\u00f9ng \u0111\u1ec9nh, qu\u00e1 tr\u00ecnh \u0111\u00f3ng c\u1eaft t\u1ee5 \u0111i\u1ec7n, ho\u1eb7c tr\u1ea1ng th\u00e1i b\u1ea3o tr\u00ec l\u00e0m thay \u0111\u1ed5i t\u1eadp h\u1ee3p s\u00f3ng h\u00e0i m\u00e0 b\u1ed9 l\u1ecdc ph\u1ea3i x\u1eed l\u00fd.<\/p>\n<h3 style=\"margin:28px 0 12px\">C\u01b0\u1eddng \u0111\u1ed9 \u0111\u1ecbnh\u7d1a c\u1ee7a aptomat c\u00f3 th\u1ec3 thi\u1ebft l\u1eadp c\u00f4ng su\u1ea5t kVA APF kh\u00f4ng?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Kh\u00f4ng. C\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n c\u1ee7a aptomat l\u00e0m gi\u1edbi h\u1ea1n c\u00e1c t\u00f9y ch\u1ecdn l\u1eafp \u0111\u1eb7t nh\u01b0ng kh\u00f4ng thay th\u1ebf cho nhu c\u1ea7u d\u00f2ng \u0111i\u1ec7n h\u00e0i t\u1ea1i tham chi\u1ebfu CT m\u00e0 b\u1ed9 l\u1ecdc s\u1ebd s\u1eed d\u1ee5ng.<\/p>\n<h3 style=\"margin:28px 0 12px\">B\u00e0i vi\u1ebft n\u00e0y c\u00f3 \u0111\u1ea3m b\u1ea3o s\u1ef1 tu\u00e2n th\u1ee7 IEEE 519 sau khi l\u1eafp \u0111\u1eb7t kh\u00f4ng?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Kh\u00f4ng. S\u1ef1 tu\u00e2n th\u1ee7 ph\u1ee5 thu\u1ed9c v\u00e0o \u0111i\u1ec3m \u00e1p d\u1ee5ng, \u0111i\u1ec1u ki\u1ec7n m\u1ea1ng, c\u00e1c tr\u01b0\u1eddng h\u1ee3p v\u1eadn h\u00e0nh, ph\u01b0\u01a1ng ph\u00e1p nghi\u1ec7m thu v\u00e0 qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m\u2014ch\u1ee9 kh\u00f4ng ch\u1ec9 d\u1ef1a v\u00e0o m\u1ed9t \u0111i\u1ec1u kho\u1ea3n v\u1ec1 t\u00ednh to\u00e1n k\u00edch th\u01b0\u1edbc.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"references\">T\u00e0i li\u1ec7u tham kh\u1ea3o<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">C\u00e1c ti\u00eau chu\u1ea9n g\u1ed1c v\u00e0 b\u1ed1i c\u1ea3nh c\u00f4ng nghi\u1ec7p cho cu\u1ed9c th\u1ea3o lu\u1eadn v\u1ec1 k\u00edch th\u01b0\u1edbc APF n\u00e0y:<\/p>\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.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<li style=\"margin:0 0 8px\"><a href=\"https:\/\/www.energy.gov\/eere\/iedo\/industrial-decarbonization\" rel=\"nofollow noopener\" target=\"_blank\">B\u1ed9 N\u0103ng l\u01b0\u1ee3ng Hoa K\u1ef3 (U.S. DOE) \u2014 T\u00e0i li\u1ec7u v\u1ec1 kh\u1eed carbon trong c\u00f4ng nghi\u1ec7p<\/a><\/li>\n<\/ul>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>APF sizing should begin with a measured harmonic-current profile at the agreed reference point, not from connected kVA, breaker rating, or a THD percentage copied from a drive display. Before capacity is discussed, the project team should define where the filter will observe current, which operating states were logged, how individual harmonic orders were aggregated, [&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-2317","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\/2317","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=2317"}],"version-history":[{"count":1,"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/posts\/2317\/revisions"}],"predecessor-version":[{"id":2542,"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/posts\/2317\/revisions\/2542"}],"wp:attachment":[{"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/media?parent=2317"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/categories?post=2317"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/tags?post=2317"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}