{"id":2567,"date":"2026-07-22T09:00:00","date_gmt":"2026-07-22T01:00:00","guid":{"rendered":"https:\/\/cnbygele.com\/?p=2567"},"modified":"2026-08-24T18:09:38","modified_gmt":"2026-08-24T10:09:38","slug":"hvac-vfd-harmonics-commercial-building-pcc","status":"publish","type":"post","link":"https:\/\/cnbygele.com\/vi\/blog\/hvac-vfd-harmonics-commercial-building-pcc\/","title":{"rendered":"Harmonics VFD HVAC trong c\u00e1c t\u00f2a nh\u00e0 th\u01b0\u01a1ng m\u1ea1i: APF t\u1ea1i \u0111i\u1ec3m PCC"},"content":{"rendered":"<div class=\"b2b-article\">\n<p style=\"margin:0 0 16px;line-height:1.7\"><strong>C\u00e1c bi\u1ebfn t\u1ea7n \u0111i\u1ec1u ch\u1ec9nh t\u1ea7n s\u1ed1 HVAC trong c\u00e1c t\u00f2a nh\u00e0 th\u01b0\u01a1ng m\u1ea1i cung c\u1ea5p cho m\u00e1y l\u00e0m l\u1ea1nh, b\u1ed9 x\u1eed l\u00fd kh\u00ed, qu\u1ea1t th\u00e1p l\u00e0m m\u00e1t v\u00e0 b\u01a1m, v\u00e0 d\u00f2ng \u0111i\u1ec7n h\u00e0i t\u1ed5ng h\u1ee3p c\u1ee7a ch\u00fang xu\u1ea5t hi\u1ec7n t\u1ea1i l\u1ed1i v\u00e0o d\u1ecbch v\u1ee5 c\u1ee7a t\u00f2a nh\u00e0 thay v\u00ec t\u1ea1i b\u1ea5t k\u1ef3 ph\u00f2ng c\u01a1 kh\u00ed n\u00e0o.<\/strong> \u0110\u00e1nh gi\u00e1 harmonics VFD HVAC do \u0111\u00f3 b\u1eaft \u0111\u1ea7u t\u1eeb PCC: x\u00e1c \u0111\u1ecbnh \u0111i\u1ec3m k\u1ebft n\u1ed1i, c\u00e1c tr\u1ea1ng th\u00e1i ho\u1ea1t \u0111\u1ed9ng trong m\u00f9a l\u00e0m m\u00e1t, v\u00e0 c\u00e2u h\u1ecfi \u0111ang \u0111\u01b0\u1ee3c tr\u1ea3 l\u1eddi tr\u01b0\u1edbc khi th\u1ea3o lu\u1eadn v\u1ec1 t\u00edch h\u1ee3p APF.<\/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=\"#define-the-electrical-boundary-before-collecting-data\">X\u00e1c \u0111\u1ecbnh ranh gi\u1edbi \u0111i\u1ec7n tr\u01b0\u1edbc khi thu th\u1eadp d\u1eef li\u1ec7u<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#separate-harmonic-planning-from-other-electrical-questions\">T\u00e1ch bi\u1ec7t quy ho\u1ea1ch s\u00f3ng h\u00e0i kh\u1ecfi c\u00e1c v\u1ea5n \u0111\u1ec1 \u0111i\u1ec7n kh\u00e1c<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#compare-mitigation-paths-without-defaulting-to-one-device\">So s\u00e1nh c\u00e1c l\u1ed9 tr\u00ecnh gi\u1ea3m thi\u1ec3u 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=\"#plan-integration-and-commissioning-early\">L\u00ean k\u1ebf ho\u1ea1ch t\u00edch h\u1ee3p v\u00e0 v\u1eadn h\u00e0nh th\u1eed t\u1eeb s\u1edbm<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#rfq-checklist-and-fit-boundary\">Danh s\u00e1ch 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\">C\u00e1c bi\u1ebfn t\u1ea7n \u0111i\u1ec1u ch\u1ec9nh t\u1ea7n s\u1ed1 HVAC trong c\u00e1c t\u00f2a nh\u00e0 th\u01b0\u01a1ng m\u1ea1i cung c\u1ea5p cho m\u00e1y l\u00e0m l\u1ea1nh, b\u1ed9 x\u1eed l\u00fd kh\u00ed, qu\u1ea1t th\u00e1p l\u00e0m m\u00e1t v\u00e0 b\u01a1m, v\u00e0 d\u00f2ng \u0111i\u1ec7n h\u00e0i t\u1ed5ng h\u1ee3p c\u1ee7a ch\u00fang xu\u1ea5t hi\u1ec7n t\u1ea1i l\u1ed1i v\u00e0o d\u1ecbch v\u1ee5 c\u1ee7a t\u00f2a nh\u00e0 thay v\u00ec t\u1ea1i b\u1ea5t k\u1ef3 ph\u00f2ng c\u01a1 kh\u00ed n\u00e0o. \u0110\u00e1nh gi\u00e1 harmonics VFD HVAC do \u0111\u00f3 b\u1eaft \u0111\u1ea7u t\u1eeb PCC: x\u00e1c \u0111\u1ecbnh \u0111i\u1ec3m k\u1ebft n\u1ed1i, c\u00e1c tr\u1ea1ng th\u00e1i ho\u1ea1t \u0111\u1ed9ng trong m\u00f9a l\u00e0m m\u00e1t, v\u00e0 c\u00e2u h\u1ecfi \u0111ang \u0111\u01b0\u1ee3c tr\u1ea3 l\u1eddi tr\u01b0\u1edbc khi th\u1ea3o lu\u1eadn v\u1ec1 t\u00edch h\u1ee3p APF.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u0110i\u1ec1u n\u00e0y quan tr\u1ecdng v\u00ec c\u00e1c c\u00e2u h\u1ecfi v\u1ec1 d\u00f2ng \u0111i\u1ec7n h\u00e0i, c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng, s\u1ef1 ki\u1ec7n \u0111i\u1ec7n \u00e1p, ph\u1ed1i h\u1ee3p b\u1ea3o v\u1ec7 v\u00e0 ho\u1ea1t \u0111\u1ed9ng thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 ch\u1ed3ng ch\u00e9o m\u00e0 kh\u00f4ng c\u00f3 c\u00f9ng c\u00e2u tr\u1ea3 l\u1eddi k\u1ef9 thu\u1eadt. CNBYG c\u00f3 th\u1ec3 th\u1ea3o lu\u1eadn v\u1ec1 d\u00f2ng s\u1ea3n ph\u1ea9m AHF\/APF khi d\u00f2ng \u0111i\u1ec7n h\u00e0i \u0111o \u0111\u01b0\u1ee3c l\u00e0 m\u1ee5c ti\u00eau x\u00e1c \u0111\u1ecbnh. N\u00f3 kh\u00f4ng th\u1ec3 x\u00e1c \u0111\u1ecbnh s\u1ef1 tu\u00e2n th\u1ee7 m\u00e3 x\u00e2y d\u1ef1ng, hi\u1ec7u su\u1ea5t c\u1ee7a m\u00e1y l\u00e0m l\u1ea1nh ho\u1eb7c b\u1ed9 x\u1eed l\u00fd kh\u00ed, ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng ho\u1eb7c k\u1ebft qu\u1ea3 h\u00e0i \u0111\u1ea3m b\u1ea3o t\u1eeb m\u1ed9t b\u00e0i vi\u1ebft ho\u1eb7c nh\u00e3n hi\u1ec7u. <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>.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"define-the-electrical-boundary-before-collecting-data\">X\u00e1c \u0111\u1ecbnh ranh gi\u1edbi \u0111i\u1ec7n tr\u01b0\u1edbc khi thu th\u1eadp d\u1eef li\u1ec7u<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Quy\u1ebft \u0111\u1ecbnh \u0111\u1ea7u ti\u00ean l\u00e0 n\u01a1i k\u1ebft qu\u1ea3 s\u1ebd \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. Ph\u00e9p \u0111o t\u1ea1i m\u1ed9t nh\u00e1nh l\u1ed9 ri\u00eang l\u1ebb c\u00f3 th\u1ec3 gi\u00fap \u0111\u1eb7c t\u1ea3 t\u1ea3i c\u1ee5c b\u1ed9. Ph\u00e9p \u0111o t\u1ea1i c\u1eeda d\u1ecbch v\u1ee5, ph\u00eda th\u1ee9 c\u1ea5p m\u00e1y bi\u1ebfn \u00e1p, ho\u1eb7c \u0111i\u1ec3m \u0111\u1ea5u n\u1ed1i chung s\u1ebd tr\u1ea3 l\u1eddi cho m\u1ed9t c\u00e2u h\u1ecfi kh\u00e1c. H\u00e3y ghi l\u1ea1i v\u1ecb tr\u00ed \u0111\u1ed3ng h\u1ed3, h\u01b0\u1edbng bi\u1ebfn d\u00f2ng (CT), \u0111i\u1ec7n \u00e1p tham chi\u1ebfu, kho\u1ea3ng th\u1eddi gian l\u1ea5y m\u1eabu, kho\u1ea3ng th\u1eddi gian t\u1ed5ng h\u1ee3p, tr\u1ea1ng th\u00e1i v\u1eadn h\u00e0nh, v\u00e0 li\u1ec7u c\u00e1c t\u1ea3i l\u1edbn kh\u00e1c c\u00f3 \u0111ang ho\u1ea1t \u0111\u1ed9ng hay kh\u00f4ng. N\u1ebfu kh\u00f4ng c\u00f3 c\u00e1c chi ti\u1ebft \u0111\u00f3, m\u1ed9t con s\u1ed1 s\u1ebd kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c so s\u00e1nh m\u1ed9t c\u00e1ch \u0111\u00e1ng tin c\u1eady v\u1edbi m\u1ee5c ti\u00eau c\u1ee7a d\u1ef1 \u00e1n.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u0110\u1ed1i v\u1edbi c\u00e1c t\u1ea3i VFD HVAC trong c\u00e1c t\u00f2a nh\u00e0 th\u01b0\u01a1ng m\u1ea1i, t\u1ea1o m\u1ed9t nh\u1eadt k\u00fd ho\u1ea1t \u0111\u1ed9ng x\u00e1c \u0111\u1ecbnh \u0111\u1ec9nh trong m\u00f9a l\u00e0m m\u00e1t, bu\u1ed5i s\u00e1ng t\u1ea3i th\u1ea5p, giai \u0111o\u1ea1n ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng, c\u00e0i \u0111\u1eb7t l\u1ea1i qua \u0111\u00eam v\u00e0 ho\u1ea1t \u0111\u1ed9ng cu\u1ed1i tu\u1ea7n. Nh\u1eadt k\u00fd n\u00ean r\u00f5 r\u00e0ng khi t\u1ea3i \u0111\u01b0\u1ee3c gi\u00e1m s\u00e1t ho\u1ea1t \u0111\u1ed9ng v\u00e0 nh\u1eefng g\u00ec kh\u00e1c \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i c\u00f9ng bus. D\u1eef li\u1ec7u m\u00f9a l\u00e0m m\u00e1t v\u00e0 d\u1eef li\u1ec7u m\u00f9a chuy\u1ec3n ti\u1ebfp n\u00ean \u0111\u01b0\u1ee3c ph\u00e2n bi\u1ec7t ri\u00eang, v\u00ec d\u00f2ng \u0111i\u1ec1u khi\u1ec3n thay \u0111\u1ed5i theo nhu c\u1ea7u c\u1ee7a t\u00f2a nh\u00e0.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">M\u1ed9t bi\u00ean b\u1ea3n \u0111o \u0111\u1ea1c tr\u01b0\u1edbc khi y\u00eau c\u1ea7u b\u00e1o gi\u00e1 (pre-RFQ) h\u1eefu \u00edch th\u01b0\u1eddng bao g\u1ed3m c\u00e1c h\u1ea1ng m\u1ee5c sau:<\/p>\n<ul style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\">V\u1ecb tr\u00ed s\u01a1 \u0111\u1ed3 m\u1ed9t s\u1ee3i c\u1ee7a m\u1ecdi \u0111\u1ed3ng h\u1ed3 \u0111o, c\u00f3 ghi ch\u00fa t\u1ef7 s\u1ed1 bi\u1ebfn d\u00f2ng (CT) v\u00e0 c\u1ef1c t\u00ednh.<\/li>\n<li style=\"margin:0 0 8px\">Ph\u1ed5 \u0111i\u1ec7n \u00e1p v\u00e0 d\u00f2ng \u0111i\u1ec7n \u0111\u01b0\u1ee3c ghi l\u1ea1i \u1edf c\u00e1c kho\u1ea3ng th\u1eddi gian t\u1eadp h\u1ee3p x\u00e1c \u0111\u1ecbnh, kh\u00f4ng ph\u1ea3i l\u00e0 c\u00e1c \u1ea3nh ch\u1ee5p \u0111\u01a1n l\u1ebb.<\/li>\n<li style=\"margin:0 0 8px\">M\u1ed9t nh\u1eadt k\u00fd ho\u1ea1t \u0111\u1ed9ng c\u00f3 d\u1ea5u th\u1eddi gian li\u00ean k\u1ebft m\u1ed7i khung \u0111o v\u1edbi tr\u1ea1ng th\u00e1i ho\u1ea1t \u0111\u1ed9ng c\u1ee7a t\u00f2a nh\u00e0.<\/li>\n<li style=\"margin:0 0 8px\">Kho ch\u1ee9a t\u1ee5 \u0111i\u1ec7n, cu\u1ed9n kh\u00e1ng, b\u1ed9 l\u1ecdc v\u00e0 bi\u1ebfn t\u1ea7n hi\u1ec7n h\u1eefu tr\u00ean c\u00f9ng m\u1ed9t bus.<\/li>\n<li style=\"margin:0 0 8px\">Xu h\u01b0\u1edbng c\u00f4ng su\u1ea5t t\u00e1c d\u1ee5ng v\u00e0 c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng trong \u00edt nh\u1ea5t m\u1ed9t chu k\u1ef3 v\u1eadn h\u00e0nh ti\u00eau bi\u1ec3u.<\/li>\n<\/ul>\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\">\u0110\u1ea7u v\u00e0o d\u1ef1 \u00e1n h\u1eefu \u00edch<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Quy\u1ebft \u0111\u1ecbnh m\u00e0 n\u00f3 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 \u0111ang x\u1ea3y ra t\u1ea1i ngu\u1ed3n c\u1ea5p HVAC \u0111\u01b0\u1ee3c gi\u00e1m s\u00e1t?<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">D\u1ea3i t\u1ea7n hi\u1ec7n t\u1ea1i, xu h\u01b0\u1edbng RMS, tr\u1ea1ng th\u00e1i t\u1ea3i, v\u1ecb tr\u00ed CT<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 c\u1ee5c b\u1ed9 v\u00e0 \u0111\u1eb7c t\u00ednh h\u00f3a ngu\u1ed3n<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0110i\u1ec1u g\u00ec \u0111ang x\u1ea3y ra t\u1ea1i ranh gi\u1edbi h\u1ec7 th\u1ed1ng?<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Xu h\u01b0\u1edbng \u0111i\u1ec7n \u00e1p\/d\u00f2ng \u0111i\u1ec7n, nhu c\u1ea7u ph\u1ee5 t\u1ea3i, d\u1eef li\u1ec7u m\u00e1y bi\u1ebfn \u00e1p v\u00e0 ngu\u1ed3n ph\u00eda tr\u00ean<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0110\u00e1nh gi\u00e1 c\u1ea5p h\u1ec7 th\u1ed1ng v\u00e0 x\u00e1c \u0111\u1ecbnh m\u1ee5c ti\u00eau<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0110i\u1ec1u ki\u1ec7n n\u00e0y c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i qua c\u00e1c chu k\u1ef3 m\u00f9a l\u00e0m m\u00e1t kh\u00f4ng?<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Nh\u1eadt k\u00fd v\u1eadn h\u00e0nh c\u00f3 \u0111\u00f3ng d\u1ea5u th\u1eddi gian v\u00e0 nhi\u1ec1u kho\u1ea3ng th\u1eddi gian \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\">Thi\u1ebft b\u1ecb n\u00e0o \u0111\u00e3 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i s\u1eb5n r\u1ed3i?<\/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\">\u0110\u00e1nh gi\u00e1 t\u01b0\u01a1ng t\u00e1c v\u00e0 h\u1ed9i nh\u1eadp<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"separate-harmonic-planning-from-other-electrical-questions\">T\u00e1ch bi\u1ec7t quy ho\u1ea1ch s\u00f3ng h\u00e0i kh\u1ecfi c\u00e1c v\u1ea5n \u0111\u1ec1 \u0111i\u1ec7n kh\u00e1c<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Quy ho\u1ea1ch h\u00e0i kh\u00f4ng n\u00ean tr\u1edf th\u00e0nh m\u1ed9t l\u1eddi gi\u1ea3i th\u00edch v\u01a1 \u0111\u0169a c\u1ea3 n\u1eafm cho m\u1ecdi v\u1ea5n \u0111\u1ec1 v\u1eadn h\u00e0nh. S\u1ed1 \u0111\u1ecdc d\u1ea1ng s\u00f3ng c\u00f3 th\u1ec3 t\u1ed3n t\u1ea1i song song v\u1edbi bi\u1ebfn \u0111\u1ed9ng \u0111i\u1ec7n \u00e1p, nhu c\u1ea7u c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng, s\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng, c\u00e1c s\u1ef1 ki\u1ec7n chuy\u1ec3n m\u1ea1ch, ho\u1eb7c m\u1ed9t nhi\u1ec5u lo\u1ea1n t\u1eeb ngu\u1ed3n tr\u00ean. M\u1ed7i v\u1ea5n \u0111\u1ec1 c\u1ea7n c\u00f3 b\u1eb1ng ch\u1ee9ng v\u00e0 ph\u01b0\u01a1ng ph\u00e1p nghi\u1ec7m thu ri\u00eang. M\u1ed9t khuy\u1ebfn ngh\u1ecb \u0111\u01b0\u1ee3c \u0111\u01b0a ra tr\u01b0\u1edbc khi t\u00e1ch b\u1ea1ch n\u00e0y c\u00f3 th\u1ec3 t\u1ea1o ra m\u1ed9t ph\u1ea1m vi sai l\u1ec7ch, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi h\u1ec7 th\u1ed1ng l\u1eafp \u0111\u1eb7t bao g\u1ed3m c\u00e1c thi\u1ebft b\u1ecb b\u00f9 c\u00f4ng su\u1ea5t hi\u1ec7n h\u1eefu ho\u1eb7c nhi\u1ec1u ngu\u1ed3n d\u00f2ng \u0111i\u1ec7n phi tuy\u1ebfn t\u00ednh.<\/p>\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> l\u00e0 ng\u1eef c\u1ea3nh h\u1eefu \u00edch \u0111\u1ec3 th\u1ea3o lu\u1eadn v\u1ec1 vi\u1ec7c ki\u1ec3m so\u00e1t s\u00f3ng h\u00e0i t\u1ea1i ranh gi\u1edbi h\u1ec7 th\u1ed1ng, nh\u01b0ng \u0111\u00e2y kh\u00f4ng ph\u1ea3i l\u00e0 quy t\u1eafc k\u00edch th\u01b0\u1edbc thi\u1ebft b\u1ecb b\u1ed5 tr\u1ee3 mang t\u00ednh ph\u1ed5 qu\u00e1t. C\u00e1c nh\u00f3m d\u1ef1 \u00e1n ph\u1ea3i x\u00e1c \u0111\u1ecbnh \u0111i\u1ec3m \u00e1p d\u1ee5ng, t\u1eadp d\u1eef li\u1ec7u, \u0111i\u1ec1u ki\u1ec7n m\u1ea1ng v\u00e0 y\u00eau c\u1ea7u h\u1ee3p \u0111\u1ed3ng. T\u01b0\u01a1ng t\u1ef1, m\u1ed9t b\u00e0i vi\u1ebft kh\u00f4ng th\u1ec3 x\u00e1c nh\u1eadn r\u1eb1ng t\u00ecnh tr\u1ea1ng \u0111\u01b0\u1ee3c \u0111o l\u01b0\u1eddng g\u00e2y ra m\u1ed9t s\u1ef1 c\u1ed1 v\u1eadn h\u00e0nh c\u1ee5 th\u1ec3. H\u00e3y s\u1eed d\u1ee5ng c\u00e1c ph\u00e9p \u0111o t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng v\u00e0 quy tr\u00ecnh k\u1ef9 thu\u1eadt ch\u1ecbu tr\u00e1ch nhi\u1ec7m \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh m\u1ed1i quan h\u1ec7 \u0111\u00f3.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"compare-mitigation-paths-without-defaulting-to-one-device\">So s\u00e1nh c\u00e1c l\u1ed9 tr\u00ecnh gi\u1ea3m thi\u1ec3u 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 gi\u1ea3m thi\u1ec3u tu\u00e2n theo m\u1ee5c ti\u00eau \u0111\u00e3 x\u00e1c \u0111\u1ecbnh. M\u1ed9t t\u00f9y ch\u1ecdn ch\u1ec9 n\u00ean \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o danh s\u00e1ch r\u00fat g\u1ecdn khi b\u1ea3n ghi \u0111o l\u01b0\u1eddng h\u1ed7 tr\u1ee3 v\u00e0 thi\u1ebft k\u1ebf t\u00edch h\u1ee3p \u0111\u00e3 \u0111\u01b0\u1ee3c hi\u1ec3u r\u00f5. Kh\u00f4ng c\u00f3 thi\u1ebft b\u1ecb \u0111\u01a1n l\u1ebb n\u00e0o t\u1ef1 \u0111\u1ed9ng l\u00e0 c\u00e2u tr\u1ea3 l\u1eddi \u0111\u00fang cho m\u1ecdi ch\u1ec9 s\u1ed1 m\u00e9o d\u1ea1ng, m\u1ee5c ti\u00eau c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng, s\u1ef1 ki\u1ec7n \u0111i\u1ec7n \u00e1p, ho\u1eb7c k\u1ebft qu\u1ea3 nghi\u00ean c\u1ee9u h\u1ec7 th\u1ed1ng. C\u00e1c b\u1ed9 t\u1ee5 \u0111i\u1ec7n, cu\u1ed9n kh\u00e1ng, b\u1ed9 l\u1ecdc, bi\u1ebfn t\u1ea7n, tr\u1edf kh\u00e1ng m\u00e1y bi\u1ebfn \u00e1p, h\u1ec7 th\u1ed1ng b\u1ea3o v\u1ec7 hi\u1ec7n c\u00f3 v\u00e0 s\u1ef1 bi\u1ebfn \u0111\u1ed9ng 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 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 h\u00e0i t\u1ea1i l\u1ed1i v\u00e0o d\u1ecbch v\u1ee5 c\u1ee7a t\u00f2a nh\u00e0 l\u00e0 m\u1ed9t m\u1ee5c ti\u00eau \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh v\u00e0 \u0111o l\u01b0\u1eddng<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">H\u1ed3 s\u01a1 hi\u1ec7n t\u1ea1i, v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t, k\u1ebf ho\u1ea1ch CT, c\u01a1 s\u1edf c\u00f4ng su\u1ea5t, b\u1ea3o v\u1ec7, nhi\u1ec7t v\u00e0 ph\u01b0\u01a1ng ph\u00e1p 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\u00e0nh vi c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng \u0111\u1ed9ng l\u00e0 m\u1ee5c ti\u00eau ch\u00ednh \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Bi\u1ec3u \u0111\u1ed3 c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng, b\u1ed1i c\u1ea3nh \u0111i\u1ec7n \u00e1p, thi\u1ebft b\u1ecb hi\u1ec7n c\u00f3, h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n v\u00e0 ranh gi\u1edbi \u0111\u00f3ng \u0111i\u1ec7n nghi\u1ec7m thu<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Linh ki\u1ec7n th\u1ee5 \u0111\u1ed9ng<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Nghi\u00ean c\u1ee9u h\u1ec7 th\u1ed1ng x\u00e1c \u0111\u1ecbnh m\u1ed9t h\u00e0m c\u1ed1 \u0111\u1ecbnh ho\u1eb7c \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh ph\u00f9 h\u1ee3p<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">R\u1ee7i ro c\u1ed9ng h\u01b0\u1edfng, chuy\u1ec3n m\u1ea1ch, d\u1eef li\u1ec7u m\u1ea1ng, b\u1ea3o v\u1ec7 v\u00e0 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 h\u00ecnh ph\u00e2n ph\u1ed1i l\u00e0 y\u1ebfu t\u1ed1 tr\u1ecdng y\u1ebfu<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Tr\u00e1ch nhi\u1ec7m c\u1ee7a ch\u1ee7 \u0111\u1ea7u t\u01b0, ph\u1ed1i h\u1ee3p h\u1ea1 t\u1ea7ng k\u1ef9 thu\u1eadt (ti\u1ec7n \u00edch), v\u00e0 l\u1ed9 tr\u00ecnh th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c l\u1eadp th\u00e0nh t\u00e0i li\u1ec7u<\/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\/\">Trang B\u1ed9 l\u1ecdc s\u00f3ng h\u00e0i t\u00edch c\u1ef1c CNBYG AHF<\/a>. N\u00f3 n\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u1edbi d\u1eef li\u1ec7u d\u1ef1 \u00e1n, kh\u00f4ng ph\u1ea3i \u0111\u1ec3 thay th\u1ebf cho nghi\u00ean c\u1ee9u. H\u01b0\u1edbng d\u1eabn li\u00ean quan v\u1ec1 <a href=\"https:\/\/cnbygele.com\/vi\/blog\/power-quality-system-planning-for-commercial-buildings\/\">l\u1eadp k\u1ebf ho\u1ea1ch ch\u1ea5t l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng c\u1ee7a t\u00f2a nh\u00e0 th\u01b0\u01a1ng m\u1ea1i<\/a> gi\u1ea3i th\u00edch ph\u01b0\u01a1ng ph\u00e1p ti\u1ebfp c\u1eadn d\u1ef1a tr\u00ean \u0111o l\u01b0\u1eddng t\u01b0\u01a1ng t\u1ef1 trong m\u1ed9t ng\u1eef c\u1ea3nh \u1ee9ng d\u1ee5ng l\u00e2n c\u1eadn.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"plan-integration-and-commissioning-early\">L\u00ean k\u1ebf ho\u1ea1ch t\u00edch h\u1ee3p v\u00e0 v\u1eadn h\u00e0nh th\u1eed t\u1eeb s\u1edbm<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">C\u00e1c c\u00e2u h\u1ecfi v\u1ec1 t\u00edch h\u1ee3p c\u1ea7n \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh tr\u01b0\u1edbc khi ph\u00e1t h\u00e0nh RFQ. Nh\u00f3m c\u00f4ng t\u00e1c ph\u1ea3i ghi l\u1ea1i v\u1ecb tr\u00ed k\u1ebft n\u1ed1i \u0111\u1ec1 xu\u1ea5t, b\u1ed1 tr\u00ed m\u00e1y bi\u1ebfn d\u00f2ng (CT), c\u1ea5u h\u00ecnh m\u1ea1ch c\u1ea5p v\u00e0 thanh c\u00e1i, kh\u00f4ng gian s\u1eb5n c\u00f3, tuy\u1ebfn c\u00e1p, th\u00f4ng gi\u00f3, \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng, l\u1ed1i ti\u1ebfp c\u1eadn, truy\u1ec1n th\u00f4ng, h\u1ec7 th\u1ed1ng c\u1ea3nh b\u00e1o v\u00e0 c\u00e1c k\u1ef3 v\u1ecdng v\u1ec1 b\u1ea3o tr\u00ec. Y\u00eau c\u1ea7u ph\u1ed1i h\u1ee3p b\u1ea3o v\u1ec7 v\u00e0 ng\u1eebng ho\u1ea1t \u0111\u1ed9ng c\u0169ng c\u1ea7n \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 c\u1ee5 th\u1ec3 theo d\u1ef1 \u00e1n. \u0110\u00e2y l\u00e0 c\u00e1c \u0111\u1ea7u v\u00e0o thi\u1ebft k\u1ebf, kh\u00f4ng ph\u1ea3i l\u00e0 chi ti\u1ebft \u0111\u1ec3 tr\u00ec ho\u00e3n cho \u0111\u1ebfn khi thi\u1ebft b\u1ecb \u0111\u1ebfn n\u01a1i.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">Qu\u00e1 tr\u00ecnh nghi\u1ec7m thu n\u00ean so s\u00e1nh c\u00e1c \u0111i\u1ec1u ki\u1ec7n \u0111\u1ea1i di\u1ec7n sau khi l\u1eafp \u0111\u1eb7t v\u1edbi \u0111\u01b0\u1eddng c\u01a1 s\u1edf \u0111\u00e3 th\u1ecfa thu\u1eadn tr\u01b0\u1edbc v\u00e0 ph\u01b0\u01a1ng ph\u00e1p nghi\u1ec7m thu \u0111\u00e3 x\u00e1c \u0111\u1ecbnh. Gi\u1eef cho \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh c\u00f3 th\u1ec3 so s\u00e1nh \u0111\u01b0\u1ee3c: ghi l\u1ea1i nh\u1eefng t\u1ea3i tr\u1ecdng ch\u00ednh n\u00e0o \u0111ang ch\u1ea1y, c\u00e1c \u0111\u1ed3ng h\u1ed3 \u0111o \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i \u1edf \u0111\u00e2u v\u00e0 c\u00e0i \u0111\u1eb7t \u0111o l\u01b0\u1eddng n\u00e0o \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng. N\u1ebfu m\u1ee5c ti\u00eau c\u1ee7a \u0111\u1ecba \u0111i\u1ec3m bao g\u1ed3m ch\u1ec9 metric v\u1ec1 ranh gi\u1edbi h\u1ec7 th\u1ed1ng, k\u1ebf ho\u1ea1ch \u0111o l\u01b0\u1eddng ph\u1ea3i gi\u1eef l\u1ea1i ranh gi\u1edbi \u0111\u00f3. V\u1ecb tr\u00ed \u0111\u1ed3ng h\u1ed3 \u0111o kh\u00e1c ho\u1eb7c tr\u1ea1ng th\u00e1i t\u1ea3i kh\u00e1c 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 thi\u1ebft b\u1ecb. H\u01b0\u1edbng d\u1eabn v\u1ec1 <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> cho th\u1ea5y c\u00e1ch th\u1ee9c v\u1eadn h\u00e0nh c\u00f4ng t\u00e1c b\u00e0n giao t\u01b0\u01a1ng t\u1ef1 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng nh\u01b0 th\u1ebf n\u00e0o trong m\u1ed9t k\u1ecbch b\u1ea3n li\u00ean quan.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"rfq-checklist-and-fit-boundary\">Danh s\u00e1ch 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 n\u00f3 bao g\u1ed3m s\u01a1 \u0111\u1ed3 nguy\u00ean l\u00fd m\u1ed9t s\u1ee3i, \u0111i\u1ec7n \u00e1p v\u00e0 t\u1ea7n s\u1ed1 \u0111\u1ecbnh m\u1ee9c, th\u00f4ng tin m\u00e1y bi\u1ebfn \u00e1p, d\u1eef li\u1ec7u \u0111i\u1ec7n \u00e1p\/d\u00f2ng \u0111i\u1ec7n \u0111\u1ea1i di\u1ec7n, l\u1ecbch tr\u00ecnh v\u1eadn h\u00e0nh, danh m\u1ee5c t\u1ea3i, c\u00e1c t\u1ee5 \u0111i\u1ec7n\/cu\u1ed9n kh\u00e1ng\/b\u1ed9 l\u1ecdc hi\u1ec7n c\u00f3, th\u00f4ng tin b\u1ea3o v\u1ec7, \u0111i\u1ec3m l\u1eafp \u0111\u1eb7t \u0111\u1ec1 xu\u1ea5t, d\u1eef li\u1ec7u kh\u00f4ng gian v\u00e0 l\u00e0m m\u00e1t, c\u00f9ng v\u1edbi c\u00e1c y\u00eau c\u1ea7u truy\u1ec1n th\u00f4ng. H\u00e3y m\u00f4 t\u1ea3 quy\u1ebft \u0111\u1ecbnh c\u1ea7n \u0111\u01b0a ra: x\u1eed l\u00fd s\u1ef1 c\u1ed1 c\u1ee5c b\u1ed9, \u0111\u00e1nh gi\u00e1 ranh gi\u1edbi h\u1ec7 th\u1ed1ng, gi\u1ea3m thi\u1ec3u s\u00f3ng h\u00e0i d\u00f2ng \u0111i\u1ec7n, ph\u1ea3n \u1ee9ng c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng, ho\u1eb7c \u0111\u00e1nh gi\u00e1 ph\u1ed1i h\u1ee3p.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">CNBYG c\u00f3 th\u1ec3 xem x\u00e9t c\u00e1c \u0111\u1ea7u v\u00e0o n\u00e0y v\u00e0 th\u1ea3o lu\u1eadn xem d\u00f2ng s\u1ea3n ph\u1ea9m c\u1ee7a m\u00ecnh ph\u00f9 h\u1ee3p v\u1edbi ph\u1ea1m vi \u0111\u00e3 \u0111\u1ec1 ra hay kh\u00f4ng. N\u00f3 kh\u00f4ng n\u00ean \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u h\u1ee9a h\u1eb9n v\u1ec1 s\u1ef1 tu\u00e2n th\u1ee7 m\u00e3 x\u00e2y d\u1ef1ng, hi\u1ec7u su\u1ea5t c\u1ee7a m\u00e1y l\u00e0m l\u1ea1nh ho\u1eb7c b\u1ed9 x\u1eed l\u00fd kh\u00ed, ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng ho\u1eb7c k\u1ebft qu\u1ea3 h\u00e0i \u0111\u1ea3m b\u1ea3o. Trong c\u00e1c d\u1ef1 \u00e1n c\u00f3 h\u1ea1n ch\u1ebf v\u1eadn h\u00e0nh quy \u0111\u1ecbnh, quan tr\u1ecdng ho\u1eb7c b\u1ea5t th\u01b0\u1eddng, h\u00e3y li\u00ean h\u1ec7 ch\u1ee7 s\u1edf h\u1eefu li\u00ean quan, k\u1ef9 s\u01b0 h\u1ec7 th\u1ed1ng, nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 ti\u1ec7n \u00edch v\u00e0 chuy\u00ean gia thi\u1ebft b\u1ecb. S\u1eed d\u1ee5ng c\u00e1c <a href=\"https:\/\/cnbygele.com\/vi\/contact-us\/\">Trang li\u00ean h\u1ec7 CNBYG<\/a> \u0111\u1ec3 g\u1eedi th\u00f4ng tin d\u1ef1 \u00e1n hi\u1ec7n c\u00f3.<\/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\">N\u00ean \u0111o harmonics VFD HVAC \u1edf \u0111\u00e2u trong t\u00f2a nh\u00e0 th\u01b0\u01a1ng m\u1ea1i?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">B\u1eaft \u0111\u1ea7u t\u1eeb l\u1ed1i v\u00e0o d\u1ecbch v\u1ee5 ch\u00ednh ho\u1eb7c PCC, sau \u0111\u00f3 th\u00eam c\u00e1c ngu\u1ed3n c\u1ea5p ph\u00f2ng m\u00e1y ph\u1ee5c v\u1ee5 m\u00e1y l\u00e0m l\u1ea1nh, b\u1ed9 x\u1eed l\u00fd kh\u00ed v\u00e0 b\u01a1m \u0111\u1ec3 c\u00e1c ngu\u1ed3n \u0111\u1ecba ph\u01b0\u01a1ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n bi\u1ec7t v\u1edbi k\u1ebft qu\u1ea3 c\u1ea5p t\u00f2a nh\u00e0.<\/p>\n<h3 style=\"margin:28px 0 12px\">T\u1ea5t c\u1ea3 c\u00e1c bi\u1ebfn t\u1ea7n HVAC c\u00f3 c\u1ea7n gi\u1ea3m thi\u1ec3u h\u00e0i ri\u00eang bi\u1ec7t kh\u00f4ng?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Kh\u00f4ng nh\u1ea5t thi\u1ebft. \u0110\u00f3ng g\u00f3p \u0111o \u0111\u01b0\u1ee3c t\u1ea1i ranh gi\u1edbi x\u00e1c \u0111\u1ecbnh, kh\u00f4ng ph\u1ea3i s\u1ed1 l\u01b0\u1ee3ng bi\u1ebfn t\u1ea7n, m\u1edbi quy\u1ebft \u0111\u1ecbnh xem c\u00f3 \u0111\u00e1ng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 gi\u1ea3m thi\u1ec3u trung t\u00e2m, nh\u00f3m hay \u0111\u1ecba ph\u01b0\u01a1ng hay kh\u00f4ng.<\/p>\n<h3 style=\"margin:28px 0 12px\">Li\u1ec7u thay \u0111\u1ed5i t\u1ea3i theo m\u00f9a c\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u00e1nh gi\u00e1 harmonics HVAC kh\u00f4ng?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">C\u00f3. \u0110\u1ec9nh m\u00f9a l\u00e0m m\u00e1t, c\u00e1c giai \u0111o\u1ea1n t\u1ea3i th\u1ea5p v\u00e0 l\u1ecbch tr\u00ecnh c\u00e0i \u0111\u1eb7t l\u1ea1i t\u1ea1o ra c\u00e1c ph\u1ed5 kh\u00e1c nhau, v\u00ec v\u1eady h\u1ed3 s\u01a1 n\u00ean bao g\u1ed3m c\u00e1c m\u00f9a \u0111\u1ea1i di\u1ec7n ho\u1eb7c \u0111\u01b0\u1ee3c ghi nh\u00e3n v\u1edbi gi\u1edbi h\u1ea1n c\u1ee7a n\u00f3.<\/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 \u0111o l\u01b0\u1eddng, \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh, th\u1eddi gian, s\u01a1 \u0111\u1ed3 m\u1ea1ch \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 k\u00edch th\u01b0\u1edbc c\u1ee7a thi\u1ebft b\u1ecb gi\u1ea3m nh\u1eb9 \u0111\u01b0\u1ee3c t\u00ednh ch\u1ec9 d\u1ef1a tr\u00ean t\u1ea3i \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i hay kh\u00f4ng?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Kh\u00f4ng. Th\u1ea3o lu\u1eadn v\u1ec1 dung l\u01b0\u1ee3ng \u0111\u00f2i h\u1ecfi h\u00e0nh vi d\u00f2ng \u0111i\u1ec7n \u0111\u01b0\u1ee3c \u0111o l\u01b0\u1eddng, c\u1ea5u h\u00ecnh v\u1eadn h\u00e0nh, c\u1ea5u tr\u00fac l\u1eafp \u0111\u1eb7t v\u00e0 m\u1ee5c ti\u00eau d\u1ef1 \u00e1n \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. Vi\u1ec7c \u00e1p d\u1ee5ng ti\u00eau chu\u1ea9n, \u0111i\u1ec1u ki\u1ec7n m\u1ea1ng, 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 \u0111\u1ecbnh v\u00e0 ki\u1ec3m tra 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 Th\u1ef1c h\u00e0nh Khuy\u1ebfn ngh\u1ecb v\u00e0 Y\u00eau c\u1ea7u v\u1ec1 Ki\u1ec3m so\u00e1t S\u00f3ng h\u00e0i trong H\u1ec7 th\u1ed1ng \u0110i\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\/amo\/industrial-efficiency-and-decarbonization-office\" rel=\"nofollow noopener\" target=\"_blank\">B\u1ed9 N\u0103ng l\u01b0\u1ee3ng Hoa K\u1ef3 \u2014 V\u0103n ph\u00f2ng Hi\u1ec7u qu\u1ea3 C\u00f4ng nghi\u1ec7p v\u00e0 Kh\u1eed carbon<\/a><\/li>\n<\/ul>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>HVAC variable frequency drives in commercial buildings feed chillers, air handlers, cooling-tower fans, and pumps, and their combined harmonic current appears at the building service entrance rather than at any single mechanical room. Assessing HVAC VFD harmonics therefore starts with the PCC: define the connection point, the cooling-season operating states, and the question being answered [&hellip;]<\/p>\n","protected":false},"author":4,"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-2567","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\/2567","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\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/comments?post=2567"}],"version-history":[{"count":1,"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/posts\/2567\/revisions"}],"predecessor-version":[{"id":2603,"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/posts\/2567\/revisions\/2603"}],"wp:attachment":[{"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/media?parent=2567"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/categories?post=2567"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/tags?post=2567"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}