{"id":2396,"date":"2026-08-19T09:00:00","date_gmt":"2026-08-19T01:00:00","guid":{"rendered":"https:\/\/cnbygele.com\/blog\/passive-harmonic-filter-vs-apf-dominant-order\/"},"modified":"2026-08-24T17:23:18","modified_gmt":"2026-08-24T09:23:18","slug":"passive-harmonic-filter-vs-apf-dominant-order","status":"publish","type":"post","link":"https:\/\/cnbygele.com\/vi\/blog\/passive-harmonic-filter-vs-apf-dominant-order\/","title":{"rendered":"So s\u00e1nh B\u1ed9 l\u1ecdc th\u1ee5 \u0111\u1ed9ng v\u00e0 APF cho m\u1ed9t \u0110\u1ed9 h\u00e0i h\u00f2a Chi\u1ebfm \u01b0u th\u1ebf"},"content":{"rendered":"<div class=\"b2b-article\">\n<p style=\"margin:0 0 16px;line-height:1.7\">M\u1ed9t \u0111\u1ed9 h\u00e0i h\u00f2a chi\u1ebfm \u01b0u th\u1ebf c\u00f3 th\u1ec3 gi\u00fap d\u1ec5 d\u00e0ng h\u00ecnh th\u00e0nh so s\u00e1nh, nh\u01b0ng kh\u00f4ng lo\u1ea1i b\u1ecf nhu c\u1ea7u v\u1ec1 s\u01a1 \u0111\u1ed3, tr\u01b0\u1eddng h\u1ee3p v\u1eadn h\u00e0nh v\u00e0 gi\u1edbi h\u1ea1n \u0111o l\u01b0\u1eddng. So s\u00e1nh l\u1ecdc th\u1ee5 \u0111\u1ed9ng v\u00e0 APF nh\u01b0 hai \u0111\u01b0\u1eddng d\u1eabn ch\u1ee9ng c\u1ee9, kh\u00f4ng ph\u1ea3i l\u00e0 c\u00e2u tr\u1ea3 l\u1eddi to\u00e0n di\u1ec7n.<\/p>\n<figure style=\"margin:26px 0;text-align:center\"><img decoding=\"async\" style=\"max-width:640px;width:100%;height:auto;display:block;margin:0 auto;border-radius:8px\" src=\"https:\/\/cnbygele.com\/wp-content\/uploads\/2026\/08\/passive-apf-comparison-apf-context.webp\" alt=\"B\u1ed1i c\u1ea3nh s\u1ea3n ph\u1ea9m APF c\u1ee7a CNBYG cho so s\u00e1nh h\u00e0i h\u00f2a th\u1ee9 t\u1ef1 chi\u1ebfm \u01b0u th\u1ebf\" \/><\/figure>\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-name-the-dominant-order-question\">Ph\u1ea7n 1. \u0110\u1eb7t t\u00ean c\u00e2u h\u1ecfi v\u1ec1 \u0111\u1ed9 h\u00e0i h\u00f2a chi\u1ebfm \u01b0u th\u1ebf<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-2-compare-passive-filter-evidence\">Ph\u1ea7n 2. So s\u00e1nh ch\u1ee9ng c\u1ee9 l\u1ecdc th\u1ee5 \u0111\u1ed9ng<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-3-compare-apf-evidence\">Ph\u1ea7n 3. So s\u00e1nh ch\u1ee9ng c\u1ee9 APF<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-4-test-the-operating-envelope\">Ph\u1ea7n 4. Ki\u1ec3m tra ph\u1ea1m vi v\u1eadn h\u00e0nh<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-5-make-the-comparison-decision-ready\">Ph\u1ea7n 5. Chu\u1ea9n b\u1ecb quy\u1ebft \u0111\u1ecbnh so s\u00e1nh<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-6-prepare-an-rfq-review\">Ph\u1ea7n 6. Chu\u1ea9n b\u1ecb xem x\u00e9t y\u00eau c\u1ea7u b\u00e1o gi\u00e1 (RFQ)<\/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\">S\u1eed d\u1ee5ng \u0111\u1ed9 h\u00e0i h\u00f2a chi\u1ebfm \u01b0u th\u1ebf \u0111\u00e3 \u0111o \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e2u h\u1ecfi, sau \u0111\u00f3 ki\u1ec3m tra xem \u0111\u01b0\u1eddng d\u1eabn ch\u1ee9ng c\u1ee9 l\u1ecdc th\u1ee5 \u0111\u1ed9ng hay APF ph\u00f9 h\u1ee3p v\u1edbi h\u1ec7 th\u1ed1ng thay \u0111\u1ed5i. Gi\u1eef cho tr\u1edf kh\u00e1ng ngu\u1ed3n, r\u1ee7i ro c\u1ed9ng h\u01b0\u1edfng, chuy\u1ec3n \u0111\u1ed9ng t\u1ea3i v\u00e0 ranh gi\u1edbi quy\u1ebft \u0111\u1ecbnh r\u00f5 r\u00e0ng; m\u1ed9t ph\u1ed5 kh\u00f4ng ch\u1ee9ng minh ph\u00f9 h\u1ee3p.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-1-name-the-dominant-order-question\">Ph\u1ea7n 1. \u0110\u1eb7t t\u00ean c\u00e2u h\u1ecfi v\u1ec1 \u0111\u1ed9 h\u00e0i h\u00f2a chi\u1ebfm \u01b0u th\u1ebf<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">B\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 h\u00e0i h\u00f2a n\u00e0o l\u00e0 chi\u1ebfm \u01b0u th\u1ebf, n\u01a1i \u0111o l\u01b0\u1eddng v\u00e0 quy\u1ebft \u0111\u1ecbnh m\u00e0 so s\u00e1nh ph\u1ea3i h\u1ed7 tr\u1ee3. Ghi nh\u1eadn xem \u0111\u1ed9 n\u00e0y c\u00f3 \u1ed5n \u0111\u1ecbnh, tho\u00e1ng qua hay kh\u00e1c nhau qua c\u00e1c tr\u1ea1ng th\u00e1i v\u1eadn h\u00e0nh hay kh\u00f4ng.<\/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<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">B\u1eb1ng ch\u1ee9ng<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Ch\u01b0a \u0111\u01b0\u1ee3c ch\u1ee9ng minh<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">C\u00f3 ph\u1ea3i m\u1ed9t \u0111\u1ed9 h\u00e0i h\u00f2a lu\u00f4n chi\u1ebfm \u01b0u th\u1ebf kh\u00f4ng?<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Ph\u1ed5 l\u1eb7p l\u1ea1i v\u00e0 ghi ch\u00fa t\u1ea3i<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0111\u00e1nh gi\u00e1 b\u1ed9 l\u1ecdc<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0110\u1ed9 h\u00e0i h\u00f2a c\u00f3 thay \u0111\u1ed5i theo s\u1ea3n xu\u1ea5t kh\u00f4ng?<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">b\u1ea3n ghi l\u1ea1i c\u00e1c tr\u01b0\u1eddng h\u1ee3p v\u1eadn h\u00e0nh<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">m\u1ed9t gi\u1ea3i ph\u00e1p to\u00e0n di\u1ec7n<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Quy\u1ebft \u0111\u1ecbnh t\u1ea1i \u0111i\u1ec3m \u0111\u1eb7t thi\u1ebft b\u1ecb (PCC) hay \u0111\u01b0\u1eddng d\u00e2y c\u1ea5p \u0111i\u1ec7n?<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0111\u01b0\u1eddng d\u00e2y m\u1ed9t d\u00f2ng v\u00e0 \u0111i\u1ec3m \u0111o l\u01b0\u1eddng<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">ch\u1ea5p nh\u1eadn d\u1ef1 \u00e1n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-2-compare-passive-filter-evidence\">Ph\u1ea7n 2. So s\u00e1nh ch\u1ee9ng c\u1ee9 l\u1ecdc th\u1ee5 \u0111\u1ed9ng<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">L\u1ecdc th\u1ee5 \u0111\u1ed9ng y\u00eau c\u1ea7u m\u1ed9t ranh gi\u1edbi nghi\u00ean c\u1ee9u r\u00f5 r\u00e0ng xung quanh vi\u1ec7c \u0111i\u1ec1u ch\u1ec9nh, tr\u1edf kh\u00e1ng ngu\u1ed3n, t\u01b0\u01a1ng t\u00e1c t\u1ee5 \u0111i\u1ec7n v\u00e0 c\u00e1c tr\u01b0\u1eddng h\u1ee3p v\u1eadn h\u00e0nh d\u1ef1 ki\u1ebfn. H\u00ecnh \u1ea3nh c\u1ee7a b\u1ed9 ph\u1ea3n \u1ee9ng ho\u1eb7c b\u1ed9 l\u1ecdc cung c\u1ea5p ng\u1eef c\u1ea3nh s\u1ea3n ph\u1ea9m; n\u00f3 kh\u00f4ng x\u00e1c l\u1eadp \u0111i\u1ec3m \u0111i\u1ec1u ch\u1ec9nh ho\u1eb7c k\u1ebft qu\u1ea3 c\u1ed9ng h\u01b0\u1edfng.<\/p>\n<figure style=\"margin:26px 0;text-align:center\"><img decoding=\"async\" style=\"max-width:640px;width:100%;height:auto;display:block;margin:0 auto;border-radius:8px\" src=\"https:\/\/cnbygele.com\/wp-content\/uploads\/2026\/08\/passive-apf-comparison-passive-context.webp\" alt=\"B\u1ed1i c\u1ea3nh s\u1ea3n ph\u1ea9m ph\u1ea3n \u1ee9ng c\u1ee7a CNBYG cho xem x\u00e9t b\u1eb1ng ch\u1ee9ng b\u1ed9 l\u1ecdc th\u1ee5 \u0111\u1ed9ng\" \/><\/figure>\n<p style=\"margin:0 0 16px;line-height:1.7\">Schneider <a href=\"https:\/\/www.electrical-installation.org\/enwiki\/Possible_solutions_for_power-system_harmonics\" rel=\"nofollow noopener\" target=\"_blank\">H\u01b0\u1edbng d\u1eabn gi\u1ea3i ph\u00e1p harmonic<\/a> \u0111\u1eb7t c\u00e1c s\u1eafp x\u1ebfp th\u1ee5 \u0111\u1ed9ng trong b\u1ed1i c\u1ea3nh h\u1ec7 th\u1ed1ng r\u1ed9ng h\u01a1n. Mang c\u00e1c gi\u1ea3 \u0111\u1ecbnh v\u1ec1 ngu\u1ed3n v\u00e0 t\u1ea3i v\u00e0o qu\u00e1 tr\u00ecnh xem x\u00e9t thay v\u00ec xem c\u00e1c b\u1eadc chi ph\u1ed1i nh\u01b0 m\u1ed9t \u0111\u1eb7c \u0111i\u1ec3m ri\u00eang bi\u1ec7t.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-3-compare-apf-evidence\">Ph\u1ea7n 3. So s\u00e1nh ch\u1ee9ng c\u1ee9 APF<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u0110\u00e1nh gi\u00e1 APF n\u00ean x\u00e1c \u0111\u1ecbnh h\u1ed3 s\u01a1 t\u1ea3i, \u0111i\u1ec3m \u0111o d\u00f2ng ho\u1eb7c \u0111i\u1ec7n \u00e1p, m\u1ee5c ti\u00eau \u0111i\u1ec1u khi\u1ec3n v\u00e0 bi\u1ebfn \u0111\u1ed5i v\u1eadn h\u00e0nh d\u1ef1 ki\u1ebfn. The <a href=\"https:\/\/cnbygele.com\/vi\/product\/ahf-active-harmonic-filter-harmonic-control\/\">ng\u1eef c\u1ea3nh s\u1ea3n ph\u1ea9m CNBYG APF<\/a> l\u00e0 m\u1ed9t tham chi\u1ebfu d\u00f2ng s\u1ea3n ph\u1ea9m, kh\u00f4ng ph\u1ea3i b\u1eb1ng ch\u1ee9ng r\u1eb1ng m\u1ed9t h\u1ec7 th\u1ed1ng ch\u01b0a \u0111\u1eb7t t\u00ean s\u1ebd \u0111\u00e1p \u1ee9ng m\u1ee5c ti\u00eau.<\/p>\n<blockquote>\n<p style=\"margin:0 0 16px;line-height:1.7\"><strong>Quan tr\u1ecdng:<\/strong> M\u1ed9t b\u1eadc harmonic chi ph\u1ed1i l\u00e0 \u0111\u1ea7u v\u00e0o nghi\u00ean c\u1ee9u, kh\u00f4ng ph\u1ea3i l\u1eddi h\u1ee9a r\u1eb1ng b\u1ed9 l\u1ecdc th\u1ee5 \u0111\u1ed9ng ho\u1eb7c APF s\u1ebd mang l\u1ea1i k\u1ebft qu\u1ea3 c\u1ed1 \u0111\u1ecbnh. Ngu\u1ed3n: <a href=\"https:\/\/standards.ieee.org\/ieee\/519\/10631\/\" rel=\"nofollow noopener\" target=\"_blank\">ng\u1eef c\u1ea3nh IEEE 519<\/a>.<\/p>\n<\/blockquote>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-4-test-the-operating-envelope\">Ph\u1ea7n 4. Ki\u1ec3m tra ph\u1ea1m vi v\u1eadn h\u00e0nh<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">So s\u00e1nh \u00edt nh\u1ea5t c\u00e1c tr\u01b0\u1eddng h\u1ee3p v\u1eadn h\u00e0nh c\u00f3 th\u1ec3 thay \u0111\u1ed5i b\u1eadc \u0111o l\u01b0\u1eddng: s\u1ea3n xu\u1ea5t t\u1ed1i thi\u1ec3u v\u00e0 \u0111i\u1ec3n h\u00ecnh, t\u1ea3i phi tuy\u1ebfn ch\u00ednh v\u00e0o v\u00e0 ra, c\u00e1c giai \u0111o\u1ea1n t\u1ee5 \u0111i\u1ec7n, thay \u0111\u1ed5i ngu\u1ed3n v\u00e0 tr\u1ea1ng th\u00e1i b\u1ea3o tr\u00ec. Ghi ch\u00fa c\u00e1c kho\u1ea3ng tr\u1ed1ng thay v\u00ec l\u00e0m m\u1edd ch\u00fang \u0111i.<\/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\">Tr\u01b0\u1eddng h\u1ee3p v\u1eadn h\u00e0nh<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Ghi \u00e2m<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Gi\u00e1 tr\u1ecb so s\u00e1nh<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">t\u1ea3i \u0111i\u1ec3n h\u00ecnh<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">d\u1eef li\u1ec7u ph\u1ed5 v\u00e0 c\u00f4ng su\u1ea5t<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0111\u01b0\u1eddng c\u01a1 s\u1edf<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">t\u1ea3i phi tuy\u1ebfn cao<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0111\u1ed9 l\u1edbn v\u00e0 th\u1eddi gian c\u1ee7a b\u1eadc<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">tr\u01b0\u1eddng h\u1ee3p c\u0103ng th\u1eb3ng<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">thay \u0111\u1ed5i tr\u1ea1ng th\u00e1i ngu\u1ed3n ho\u1eb7c t\u1ee5 \u0111i\u1ec7n<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">ghi ch\u00fa v\u1ec1 c\u1ea5u h\u00ecnh v\u00e0 chuy\u1ec3n m\u1ea1ch<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">ranh gi\u1edbi c\u1ed9ng h\u01b0\u1edfng<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-5-make-the-comparison-decision-ready\">Ph\u1ea7n 5. Chu\u1ea9n b\u1ecb quy\u1ebft \u0111\u1ecbnh so s\u00e1nh<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">X\u00e2y d\u1ef1ng ma tr\u1eadn b\u1eb1ng ch\u1ee9ng ng\u1eafn h\u1ea1n. Ma tr\u1eadn n\u00ean hi\u1ec3n th\u1ecb nh\u1eefng quan s\u00e1t n\u00e0o h\u1ed7 tr\u1ee3 nghi\u00ean c\u1ee9u th\u1ee5 \u0111\u1ed9ng, nh\u1eefng quan s\u00e1t n\u00e0o h\u1ed7 tr\u1ee3 xem x\u00e9t APF v\u00e0 nh\u1eefng quan s\u00e1t n\u00e0o c\u1ea7n th\u00eam d\u1eef li\u1ec7u.<\/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\">B\u1eb1ng ch\u1ee9ng<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">\u0110\u01b0\u1eddng \u0111i th\u1ee5 \u0111\u1ed9ng<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">\u0110\u01b0\u1eddng \u0111i APF<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Kho\u1ea3ng c\u00e1ch c\u1ea7n thu h\u1eb9p<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">th\u1ee9 t\u1ef1 \u1ed5n \u0111\u1ecbnh<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0111\u1ea7u v\u00e0o nghi\u00ean c\u1ee9u h\u1eefu \u00edch<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">v\u1eabn c\u1ea7n gi\u1edbi h\u1ea1n t\u1ea3i tr\u1ecdng<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">l\u1eb7p l\u1ea1i qu\u00e1 tr\u00ecnh ghi l\u1ea1i<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">th\u1ee9 t\u1ef1 di chuy\u1ec3n<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">ki\u1ec3m tra t\u1eebng tr\u01b0\u1eddng h\u1ee3p v\u1eadn h\u00e0nh<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">h\u1ed7 tr\u1ee3 xem x\u00e9t t\u1ea3i tr\u1ecdng bi\u1ebfn \u0111\u1ed5i<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">nh\u1eadt k\u00fd s\u1ef1 ki\u1ec7n<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0111i\u1ec7n tr\u1edf ngu\u1ed3n kh\u00f4ng r\u00f5 r\u00e0ng<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">ch\u1eb7n nghi\u00ean c\u1ee9u<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0111\u1ea7u v\u00e0o thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">d\u1eef li\u1ec7u m\u1ed9t d\u00f2ng v\u00e0 ti\u1ec7n \u00edch<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-6-prepare-an-rfq-review\">Ph\u1ea7n 6. Chu\u1ea9n b\u1ecb xem x\u00e9t y\u00eau c\u1ea7u b\u00e1o gi\u00e1 (RFQ)<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">G\u1eedi c\u00e1i <a href=\"https:\/\/cnbygele.com\/vi\/blog\/apf-svg-before-after-comparison-method\/\">ph\u01b0\u01a1ng ph\u00e1p so s\u00e1nh APF\/SVG<\/a> nh\u01b0 m\u1ed9t m\u1eabu b\u1eb1ng ch\u1ee9ng li\u00ean quan, sau \u0111\u00f3 bao g\u1ed3m c\u00e1c h\u1ed3 s\u01a1 ri\u00eang c\u1ee7a d\u1ef1 \u00e1n b\u00ean d\u01b0\u1edbi.<\/p>\n<figure style=\"margin:26px 0;text-align:center\"><img decoding=\"async\" style=\"max-width:640px;width:100%;height:auto;display:block;margin:0 auto;border-radius:8px\" src=\"https:\/\/cnbygele.com\/wp-content\/uploads\/2026\/08\/passive-apf-comparison-product-review.webp\" alt=\"Ng\u1eef c\u1ea3nh s\u1ea3n ph\u1ea9m ph\u1ea3n \u1ee9ng h\u1ea1t nh\u00e2n CNBYG \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 so s\u00e1nh APF c\u00f3 gi\u1edbi h\u1ea1n\" \/><\/figure>\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\">G\u1eedi k\u00e8m b\u00e1o gi\u00e1 \/ Y\u00eau c\u1ea7u b\u00e1o gi\u00e1<\/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<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Tr\u00e1nh<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0111\u01b0\u1eddng d\u00e2y m\u1ed9t d\u00f2ng v\u00e0 \u0111i\u1ec3m \u0111o l\u01b0\u1eddng<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0111\u1ecbnh ngh\u0129a ranh gi\u1edbi<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">m\u1ed9t \u1ea3nh ch\u1ee5p m\u00e0n h\u00ecnh kh\u00f4ng c\u00f3 v\u1ecb tr\u00ed<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">quang ph\u1ed5 l\u1eb7p l\u1ea1i v\u00e0 c\u00e1c tr\u01b0\u1eddng h\u1ee3p t\u1ea3i<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">ki\u1ec3m tra \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh th\u1ee9 t\u1ef1 chi ph\u1ed1i<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">m\u1ed9t b\u1ea3n ch\u1ee5p l\u00e0m b\u1eb1ng ch\u1ee9ng<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">ghi ch\u00fa v\u1ec1 t\u1ee5 \u0111i\u1ec7n, ngu\u1ed3n v\u00e0 b\u1ea3o v\u1ec7<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Ti\u1ebft l\u1ed9 c\u00e1c c\u00e2u h\u1ecfi t\u01b0\u01a1ng t\u00e1c<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">l\u1eddi h\u1ee9a \u0111i\u1ec1u ch\u1ec9nh<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">m\u1ee5c ti\u00eau quy\u1ebft \u0111\u1ecbnh<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">gi\u1eef cho vi\u1ec7c xem x\u00e9t h\u1ea1n ch\u1ebf<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">k\u1ebft qu\u1ea3 gi\u1ea3 \u0111\u1ecbnh<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"margin:0 0 16px;line-height:1.7\">Khuy\u1ebfn ngh\u1ecb s\u1ea3n ph\u1ea9m: s\u1eed d\u1ee5ng <a href=\"https:\/\/cnbygele.com\/vi\/product\/ahf-active-harmonic-filter-harmonic-control\/\">trang s\u1ea3n ph\u1ea9m APF CNBYG<\/a> ch\u1ec9 trong b\u1ed1i c\u1ea3nh s\u1ea3n ph\u1ea9m sau khi c\u00e1c \u0111\u1ea7u v\u00e0o \u0111\u00f3 \u0111\u01b0\u1ee3c l\u1eafp r\u00e1p. <a href=\"https:\/\/cnbygele.com\/vi\/contact-us\/\">G\u1eedi g\u00f3i so s\u00e1nh<\/a> khi b\u1eb1ng ch\u1ee9ng \u0111\u00e3 s\u1eb5n s\u00e0ng. Quy tr\u00ecnh l\u00e0m vi\u1ec7c n\u00e0y kh\u00f4ng cho ph\u00e9p chuy\u1ec3n \u0111\u1ed5i, ph\u00ea duy\u1ec7t c\u00e0i \u0111\u1eb7t b\u1ea3o v\u1ec7 ho\u1eb7c thi\u1ebft l\u1eadp s\u1ef1 ph\u00f9 h\u1ee3p.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"faqs\">C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n<h3 style=\"margin:28px 0 12px\">T\u1ea3i tr\u1ecdng th\u1ee9 t\u1ef1 chi\u1ebfm \u01b0u th\u1ebf l\u00e0 g\u00ec?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">N\u00f3 l\u00e0 m\u1ed9t tr\u01b0\u1eddng h\u1ee3p v\u1eadn h\u00e0nh trong \u0111\u00f3 m\u1ed9t th\u1ee9 t\u1ef1 h\u00e0i h\u00f2a \u0111o \u0111\u01b0\u1ee3c n\u1ed5i b\u1eadt h\u01a1n c\u00e1c th\u1ee9 kh\u00e1c t\u1ea1i m\u1ed9t \u0111i\u1ec3m v\u00e0 th\u1eddi \u0111i\u1ec3m \u0111\u00e3 x\u00e1c \u0111\u1ecbnh. N\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 m\u00f4 t\u1ea3 h\u1ec7 th\u1ed1ng \u0111\u1ea7y \u0111\u1ee7.<\/p>\n<h3 style=\"margin:28px 0 12px\">B\u1ed9 l\u1ecdc th\u1ee5 \u0111\u1ed9ng c\u00f3 lu\u00f4n t\u1ed1t h\u01a1n cho m\u1ed9t th\u1ee9 t\u1ef1 kh\u00f4ng?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Kh\u00f4ng. C\u00e2u tr\u1ea3 l\u1eddi ph\u1ee5 thu\u1ed9c v\u00e0o c\u1ea5u tr\u00fac, tr\u1edf kh\u00e1ng ngu\u1ed3n, c\u00e1c tr\u01b0\u1eddng h\u1ee3p v\u1eadn h\u00e0nh, c\u00e2u h\u1ecfi c\u1ed9ng h\u01b0\u1edfng v\u00e0 ranh gi\u1edbi quy\u1ebft \u0111\u1ecbnh.<\/p>\n<h3 style=\"margin:28px 0 12px\">Khi n\u00e0o b\u1eb1ng ch\u1ee9ng APF quan tr\u1ecdng?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">B\u1eb1ng ch\u1ee9ng APF quan tr\u1ecdng khi \u0111i\u1ec1u ki\u1ec7n t\u1ea3i thay \u0111\u1ed5i, nhi\u1ec1u th\u1ee9 t\u1ef1 quan tr\u1ecdng ho\u1eb7c d\u1ef1 \u00e1n c\u1ea7n xem x\u00e9t c\u00e1c \u0111i\u1ec1u ki\u1ec7n d\u00f2ng \u0111i\u1ec7n thay \u0111\u1ed5i.<\/p>\n<h3 style=\"margin:28px 0 12px\">T\u1ea1i sao c\u1ea7n c\u00e1c tr\u01b0\u1eddng h\u1ee3p v\u1eadn h\u00e0nh?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Ch\u00fang cho th\u1ea5y li\u1ec7u th\u1ee9 t\u1ef1 chi\u1ebfm \u01b0u th\u1ebf c\u00f3 duy tr\u00ec \u1ed5n \u0111\u1ecbnh khi t\u1ea3i, ngu\u1ed3n ho\u1eb7c tr\u1ea1ng th\u00e1i t\u1ee5 \u0111i\u1ec7n thay \u0111\u1ed5i hay kh\u00f4ng.<\/p>\n<h3 style=\"margin:28px 0 12px\">M\u1ed9t ph\u1ed5 c\u00f3 th\u1ec3 ch\u1ecdn m\u1ed9t s\u1ea3n ph\u1ea9m kh\u00f4ng?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Kh\u00f4ng. N\u00f3 c\u00f3 th\u1ec3 \u0111\u1eb7t ra m\u1ed9t c\u00e2u h\u1ecfi nghi\u00ean c\u1ee9u, nh\u01b0ng kh\u00f4ng x\u00e1c \u0111\u1ecbnh x\u1ebfp h\u1ea1ng, \u0111i\u1ec1u ch\u1ec9nh, ph\u00f9 h\u1ee3p ho\u1eb7c ch\u1ea5p nh\u1eadn.<\/p>\n<h3 style=\"margin:28px 0 12px\">M\u1ed9t y\u00eau c\u1ea7u b\u00e1o gi\u00e1 RFQ n\u00ean bao g\u1ed3m nh\u1eefng g\u00ec?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Bao g\u1ed3m d\u00f2ng m\u1ed9t, \u0111i\u1ec3m \u0111o l\u01b0\u1eddng, ph\u1ed5 l\u1eb7p l\u1ea1i, c\u00e1c tr\u01b0\u1eddng h\u1ee3p t\u1ea3i, ghi ch\u00fa ngu\u1ed3n v\u00e0 t\u1ee5 \u0111i\u1ec7n, m\u1ee5c ti\u00eau v\u00e0 c\u00e1c gi\u1edbi h\u1ea1n \u0111\u00e3 bi\u1ebft.<\/p>\n<h3 style=\"margin:28px 0 12px\">Khi n\u00e0o c\u1ea7n xem x\u00e9t k\u1ef9 thu\u1eadt?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">S\u1eed d\u1ee5ng \u0111\u00e1nh gi\u00e1 \u0111\u1ee7 ti\u00eau chu\u1ea9n cho chuy\u1ec3n \u0111\u1ed5i tr\u1ef1c ti\u1ebfp, b\u1ea3o v\u1ec7, c\u1ed9ng h\u01b0\u1edfng, \u0111o l\u01b0\u1eddng kh\u00f4ng r\u00f5 r\u00e0ng, quy\u1ebft \u0111\u1ecbnh ch\u1ea5p nh\u1eadn ho\u1eb7c k\u1ebft lu\u1eadn v\u01b0\u1ee3t qu\u00e1 b\u1eb1ng ch\u1ee9ng.<\/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:\/\/www.electrical-installation.org\/enwiki\/Possible_solutions_for_power-system_harmonics\" rel=\"nofollow noopener\" target=\"_blank\">H\u01b0\u1edbng d\u1eabn l\u1eafp \u0111\u1eb7t Schneider Electrical: c\u00e1c gi\u1ea3i ph\u00e1p h\u00e0i h\u00f2a kh\u1ea3 thi<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/standards.ieee.org\/ieee\/519\/10631\/\" rel=\"nofollow noopener\" target=\"_blank\">B\u1ed1i c\u1ea3nh ti\u00eau chu\u1ea9n IEEE 519<\/a><\/li>\n<\/ul>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>A dominant harmonic order can make a comparison easier to frame, but it does not remove the need for topology, operating cases and measurement boundaries. Compare passive filtering and APF as two evidence paths, not as universal answers. Contents Part 1. Name the dominant-order question Part 2. Compare passive-filter evidence Part 3. Compare APF evidence [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_gspb_post_css":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-2396","post","type-post","status-publish","format-standard","hentry","category-blog"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":8}},"acf":[],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/posts\/2396","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=2396"}],"version-history":[{"count":1,"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/posts\/2396\/revisions"}],"predecessor-version":[{"id":2518,"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/posts\/2396\/revisions\/2518"}],"wp:attachment":[{"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/media?parent=2396"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/categories?post=2396"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/tags?post=2396"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}