{"id":2355,"date":"2026-08-09T09:00:00","date_gmt":"2026-08-09T01:00:00","guid":{"rendered":"https:\/\/cnbygele.com\/blog\/airport-terminal-hvac-vfd-harmonics-pcc\/"},"modified":"2026-08-24T17:24:16","modified_gmt":"2026-08-24T09:24:16","slug":"airport-terminal-hvac-vfd-harmonics-pcc","status":"publish","type":"post","link":"https:\/\/cnbygele.com\/vi\/blog\/airport-terminal-hvac-vfd-harmonics-pcc\/","title":{"rendered":"H\u1ec7 th\u1ed1ng HVAC c\u1ee7a Nh\u00e0 ga s\u00e2n bay VFD Harmonics t\u1ea1i PCC"},"content":{"rendered":"<div class=\"b2b-article\">\n<p style=\"margin:0 0 16px;line-height:1.7\"><strong>C\u00f4ng vi\u1ec7c h\u00e0m s\u1ed1 VFD c\u1ee7a h\u1ec7 th\u1ed1ng \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed t\u1ea1i nh\u00e0 ga s\u00e2n bay n\u00ean b\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e2u h\u1ecfi \u0111o l\u01b0\u1eddng, kh\u00f4ng ph\u1ea3i l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb.<\/strong> B\u1ea3n ghi c\u1ea7n ghi r\u00f5 li\u1ec7u n\u00f3 \u0111\u1ea1i di\u1ec7n cho m\u1ed9t d\u00e3y \u0111i\u1ec1u khi\u1ec3n, m\u1ed9t bus ph\u00f2ng c\u01a1 kh\u00ed-\u0111i\u1ec7n, ho\u1eb7c \u0111i\u1ec3m cu\u1ed1i c\u1ee7a m\u1ed1i gh\u00e9p chung (PCC), v\u00e0 c\u1ea7n x\u00e1c \u0111\u1ecbnh tr\u1ea1ng th\u00e1i v\u1eadn h\u00e0nh \u0111\u00e3 t\u1ea1o ra n\u00f3. C\u00e1c m\u00e1y l\u00e0m l\u1ea1nh, thi\u1ebft b\u1ecb x\u1eed l\u00fd kh\u00f4ng kh\u00ed, b\u01a1m, qu\u1ea1t th\u00e1p l\u00e0m m\u00e1t, v\u00e0 c\u00e1c s\u1eafp x\u1ebfp d\u1ef1 ph\u00f2ng kh\u00f4ng nh\u1ea5t thi\u1ebft ph\u1ea3i ho\u1ea1t \u0111\u1ed9ng c\u00f9ng nhau su\u1ed1t c\u1ea3 ng\u00e0y.<\/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-terminal-question-before-placing-a-meter\">Ph\u1ea7n 1. X\u00e1c \u0111\u1ecbnh c\u00e2u h\u1ecfi cu\u1ed1i c\u00f9ng tr\u01b0\u1edbc khi \u0111\u1eb7t \u0111\u1ed3ng h\u1ed3 \u0111o<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-2-capture-hvac-operating-states-that-change-the-record\">Ph\u1ea7n 2. Ghi l\u1ea1i c\u00e1c tr\u1ea1ng th\u00e1i v\u1eadn h\u00e0nh HVAC thay \u0111\u1ed5i b\u1ea3n ghi<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-3-build-a-pcc-record-that-can-be-compared-responsibly\">Ph\u1ea7n 3. X\u00e2y d\u1ef1ng b\u1ea3n ghi PCC c\u00f3 th\u1ec3 so s\u00e1nh m\u1ed9t c\u00e1ch c\u00f3 tr\u00e1ch nhi\u1ec7m<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-4-separate-harmonic-mitigation-from-other-terminal-power-quality-issues\">Ph\u1ea7n 4. Ph\u00e2n bi\u1ec7t gi\u1ea3m thi\u1ec3u h\u00e0i h\u00f2a kh\u1ecfi c\u00e1c v\u1ea5n \u0111\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng ngu\u1ed3n \u0111i\u1ec7n kh\u00e1c c\u1ee7a \u0111i\u1ec3m cu\u1ed1i<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-5-review-mitigation-options-against-an-integration-scope\">Ph\u1ea7n 5. Xem x\u00e9t c\u00e1c ph\u01b0\u01a1ng \u00e1n gi\u1ea3m thi\u1ec3u so v\u1edbi ph\u1ea1m vi t\u00edch h\u1ee3p<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-6-prepare-a-project-inquiry-without-promising-a-terminal-outcome\">Ph\u1ea7n 6. Chu\u1ea9n b\u1ecb m\u1ed9t y\u00eau c\u1ea7u d\u1ef1 \u00e1n m\u00e0 kh\u00f4ng h\u1ee9a h\u1eb9n k\u1ebft qu\u1ea3 cu\u1ed1i c\u00f9ng<\/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\u00f4ng vi\u1ec7c h\u00e0m s\u1ed1 VFD c\u1ee7a h\u1ec7 th\u1ed1ng \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed t\u1ea1i nh\u00e0 ga s\u00e2n bay n\u00ean b\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e2u h\u1ecfi \u0111o l\u01b0\u1eddng, kh\u00f4ng ph\u1ea3i l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb. B\u1ea3n ghi c\u1ea7n ghi r\u00f5 li\u1ec7u n\u00f3 \u0111\u1ea1i di\u1ec7n cho m\u1ed9t d\u00e3y \u0111i\u1ec1u khi\u1ec3n, m\u1ed9t bus ph\u00f2ng c\u01a1 kh\u00ed-\u0111i\u1ec7n, ho\u1eb7c \u0111i\u1ec3m cu\u1ed1i c\u1ee7a m\u1ed1i gh\u00e9p chung (PCC), v\u00e0 c\u1ea7n x\u00e1c \u0111\u1ecbnh tr\u1ea1ng th\u00e1i v\u1eadn h\u00e0nh \u0111\u00e3 t\u1ea1o ra n\u00f3. C\u00e1c m\u00e1y l\u00e0m l\u1ea1nh, thi\u1ebft b\u1ecb x\u1eed l\u00fd kh\u00f4ng kh\u00ed, b\u01a1m, qu\u1ea1t th\u00e1p l\u00e0m m\u00e1t, v\u00e0 c\u00e1c s\u1eafp x\u1ebfp d\u1ef1 ph\u00f2ng kh\u00f4ng nh\u1ea5t thi\u1ebft ph\u1ea3i ho\u1ea1t \u0111\u1ed9ng c\u00f9ng nhau su\u1ed1t c\u1ea3 ng\u00e0y.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">M\u1ed9t nh\u00e0 ga s\u00e2n bay kh\u00f4ng \u0111\u01a1n thu\u1ea7n l\u00e0 m\u1ed9t t\u00f2a nh\u00e0 th\u01b0\u01a1ng m\u1ea1i l\u1edbn h\u01a1n. T\u1ea3i tr\u1ecdng HVAC c\u00f3 th\u1ec3 thay \u0111\u1ed5i theo l\u01b0u l\u01b0\u1ee3ng h\u00e0nh kh\u00e1ch, \u0111i\u1ec1u ki\u1ec7n m\u00f4i tr\u01b0\u1eddng, l\u1ecbch tr\u00ecnh thu\u00ea, th\u00f4ng gi\u00f3 khu v\u1ef1c h\u00e0nh l\u00fd, v\u00e0 s\u1eafp x\u1ebfp thi\u1ebft b\u1ecb. M\u1ed9t d\u1ea1ng s\u00f3ng kh\u00f4ng c\u00f3 b\u1ed1i c\u1ea3nh \u0111\u00f3 c\u00f3 th\u1ec3 m\u00f4 t\u1ea3 m\u1ed9t kho\u1ea3nh kh\u1eafc, nh\u01b0ng kh\u00f4ng th\u1ec3 x\u00e1c \u0111\u1ecbnh m\u1ed9t c\u00e1ch \u0111\u00e1ng tin c\u1eady m\u1ee5c ti\u00eau h\u1ec7 th\u1ed1ng. \u0110\u1ec3 \u0111i\u1ec1u h\u01b0\u1edbng r\u1ed9ng h\u01a1n, b\u1eaft \u0111\u1ea7u v\u1edbi <a href=\"https:\/\/cnbygele.com\/vi\/power-quality-system-guides\/\">h\u01b0\u1edbng d\u1eabn h\u1ec7 th\u1ed1ng ch\u1ea5t l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng<\/a>.<\/p>\n<figure style=\"clear:both;display:block;margin:28px 0;float:none;width:100%;\"><img decoding=\"async\" src=\"https:\/\/cnbygele.com\/wp-content\/uploads\/2026\/04\/2.AHF-Active-Harmonic-Filter.webp\" alt=\"V\u1ecf b\u1ecdc AHF cho \u0111\u00e1nh gi\u00e1 h\u00e0i h\u00f2a \u0111i\u1ec7n c\u1ee7a h\u1ec7 th\u1ed1ng HVAC s\u00e2n bay\" style=\"display:block;max-width:640px;height:auto;float:none;margin:0 auto;\" \/><\/figure>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-1-define-the-terminal-question-before-placing-a-meter\">Ph\u1ea7n 1. X\u00e1c \u0111\u1ecbnh c\u00e2u h\u1ecfi cu\u1ed1i c\u00f9ng tr\u01b0\u1edbc khi \u0111\u1eb7t \u0111\u1ed3ng h\u1ed3 \u0111o<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">B\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch \u0111\u1eb7t t\u00ean quy\u1ebft \u0111\u1ecbnh m\u00e0 d\u1eef li\u1ec7u ph\u1ea3i h\u1ed7 tr\u1ee3. M\u1ed9t b\u1ea3n ghi t\u1ea1i \u0111\u1ea7u v\u00e0o c\u1ee7a b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh t\u1ea7n s\u1ed1 c\u00f3 th\u1ec3 gi\u00fap \u0111\u1eb7c tr\u01b0ng h\u00f3a thi\u1ebft b\u1ecb \u0111\u00f3. M\u1ed9t b\u1ea3n ghi t\u1ea1i bus ph\u00e2n ph\u1ed1i c\u00f3 th\u1ec3 cho th\u1ea5y c\u00e1ch c\u00e1c t\u1ea3i HVAC t\u01b0\u01a1ng t\u00e1c. B\u1ea3n ghi PCC \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e2u h\u1ecfi li\u00ean quan \u0111\u1ebfn ph\u00eda ngu\u1ed3n cung c\u1ea5p r\u1ed9ng h\u01a1n. \u0110\u00e2y l\u00e0 c\u00e1c quan s\u00e1t li\u00ean k\u1ebft, nh\u01b0ng ch\u00fang kh\u00f4ng th\u1ec3 thay th\u1ebf cho nhau.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u0110\u1ed1i v\u1edbi m\u1ed7i l\u1ea7n ghi, ghi l\u1ea1i v\u1ecb tr\u00ed \u0111\u1ed3ng h\u1ed3 \u0111o tr\u00ean s\u01a1 \u0111\u1ed3 m\u1ed9t d\u00f2ng, t\u1ef7 l\u1ec7 CT v\u00e0 h\u01b0\u1edbng, tham chi\u1ebfu \u0111i\u1ec7n \u00e1p, kho\u1ea3ng th\u1eddi gian t\u1ed5ng h\u1ee3p, th\u1eddi gian ghi, v\u00e0 nh\u00f3m t\u1ea3i ho\u1ea1t \u0111\u1ed9ng. K\u1ebft qu\u1ea3 c\u0169ng c\u1ea7n ghi r\u00f5 li\u1ec7u thi\u1ebft b\u1ecb d\u1ef1 ph\u00f2ng ho\u1eb7c kh\u1ea9n c\u1ea5p c\u00f3 s\u1eb5n, \u0111ang ho\u1ea1t \u0111\u1ed9ng, ho\u1eb7c b\u1ecb c\u00e1ch ly. \u0110i\u1ec1u n\u00e0y gi\u00fap c\u00e1c so s\u00e1nh sau n\u00e0y d\u1ec5 xem x\u00e9t h\u01a1n thay v\u00ec d\u1ef1a v\u00e0o \u1ea3nh ch\u1ee5p m\u00e0n h\u00ecnh kh\u00f4ng c\u00f3 nh\u00e3n.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\"><strong>Quan tr\u1ecdng:<\/strong> Kh\u00f4ng s\u1eed d\u1ee5ng \u0111\u1ecdc c\u1ee7a b\u1ed9 \u0111i\u1ec1u ch\u1ec9nh t\u1ea1i \u0111i\u1ec3m cu\u1ed1i l\u00e0m b\u1eb1ng ch\u1ee9ng v\u1ec1 hi\u1ec7u su\u1ea5t c\u1ea5p \u0111\u1ed9 \u0111i\u1ec3m cu\u1ed1i. Ranh gi\u1edbi PCC, tr\u1ea1ng th\u00e1i v\u1eadn h\u00e0nh, v\u00e0 ph\u01b0\u01a1ng ph\u00e1p ch\u1ea5p nh\u1eadn d\u1ef1 \u00e1n ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh c\u00f9ng nhau (Ngu\u1ed3n: <a href=\"https:\/\/standards.ieee.org\/ieee\/519\/5892\/\" rel=\"nofollow noopener\" target=\"_blank\">T\u1ed5ng quan v\u1ec1 IEEE 519<\/a>).<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-2-capture-hvac-operating-states-that-change-the-record\">Ph\u1ea7n 2. Ghi l\u1ea1i c\u00e1c tr\u1ea1ng th\u00e1i v\u1eadn h\u00e0nh HVAC thay \u0111\u1ed5i b\u1ea3n ghi<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">B\u1ea3n ghi h\u1ec7 th\u1ed1ng \u0111i\u1ec1u h\u00f2a kh\u00f4ng kh\u00ed t\u1ea1i nh\u00e0 ga h\u1eefu \u00edch nh\u1ea5t k\u1ebft n\u1ed1i m\u1ed7i b\u1ea3n ghi \u0111i\u1ec7n v\u1edbi m\u1ed9t \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh th\u1ef1c t\u1ebf. \u0110i\u1ec1u \u0111\u00f3 c\u00f3 th\u1ec3 bao g\u1ed3m s\u1eafp x\u1ebfp m\u00e1y l\u00e0m l\u1ea1nh, t\u1ed1c \u0111\u1ed9 b\u01a1m n\u01b0\u1edbc l\u00e0m l\u1ea1nh, y\u00eau c\u1ea7u c\u1ee7a thi\u1ebft b\u1ecb x\u1eed l\u00fd kh\u00f4ng kh\u00ed, nhi\u1ec7m v\u1ee5 qu\u1ea1t th\u00e1p l\u00e0m m\u00e1t, ch\u1ebf \u0111\u1ed9 theo m\u00f9a, v\u00e0 li\u1ec7u m\u00e1y ph\u00e1t \u0111i\u1ec7n ho\u1eb7c s\u1eafp x\u1ebfp chuy\u1ec3n \u0111\u1ed5i c\u00f3 trong kho\u1ea3ng th\u1eddi gian quan s\u00e1t hay kh\u00f4ng. Vi\u1ec7c ghi l\u1ea1i c\u00e1c tr\u1ea1ng th\u00e1i t\u01b0\u01a1ng \u0111\u01b0\u01a1ng s\u1ebd c\u00f3 gi\u00e1 tr\u1ecb h\u01a1n l\u00e0 thu th\u1eadp nhi\u1ec1u h\u00ecnh \u1ea3nh ch\u1ee5p kh\u00f4ng li\u00ean quan.<\/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 tr\u1ea1ng th\u00e1i v\u1eadn h\u00e0nh<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">N\u00ean ghi l\u1ea1i nh\u1eefng g\u00ec<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">T\u1ea1i sao n\u00f3 thay \u0111\u1ed5i trong qu\u00e1 tr\u00ecnh xem x\u00e9t<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">C\u00e1c d\u00e3y HVAC n\u00e0o \u0111\u00e3 \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t?<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">C\u00e1c \u0111\u1ecbnh danh c\u1ee7a m\u00e1y l\u00e0m l\u1ea1nh, AHU, b\u01a1m, v\u00e0 qu\u1ea1t<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">C\u00e1c nh\u00f3m truy\u1ec1n \u0111\u1ed9ng kh\u00e1c nhau c\u00f3 th\u1ec3 d\u00f9ng chung ho\u1eb7c r\u1eddi kh\u1ecfi m\u1ed9t tuy\u1ebfn bu\u00fdt.<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Nh\u00e0 ga \u1edf trong giai \u0111o\u1ea1n cao \u0111i\u1ec3m, chuy\u1ec3n ti\u1ebfp hay gi\u1ea3m t\u1ea3i?<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">D\u1ea5u th\u1eddi gian, l\u1ecbch tr\u00ecnh v\u00e0 xu h\u01b0\u1edbng nhu c\u1ea7u<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">B\u1ea3n ghi t\u1ea3i cao \u0111i\u1ec3m v\u00e0 b\u1ea3n ghi t\u1ea3i th\u1ea5p tr\u1ea3 l\u1eddi c\u00e1c c\u00e2u h\u1ecfi l\u1eadp k\u1ebf ho\u1ea1ch kh\u00e1c nhau.<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Thi\u1ebft b\u1ecb c\u00f3 th\u1ef1c hi\u1ec7n ph\u00e2n \u0111o\u1ea1n trong qu\u00e1 tr\u00ecnh ghi nh\u1eadn kh\u00f4ng?<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">C\u00e1c s\u1ef1 ki\u1ec7n kh\u1edfi \u0111\u1ed9ng, d\u1eebng, b\u1ecf qua v\u00e0 thay \u0111\u1ed5i t\u1ed1c \u0111\u1ed9<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Qu\u00e1 \u0111\u1ed9 c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u1ea1i di\u1ec7n cho tr\u1ea1ng th\u00e1i v\u1eadn h\u00e0nh \u1ed5n \u0111\u1ecbnh.<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Ngu\u1ed3n \u0111i\u1ec7n d\u1ef1 ph\u00f2ng c\u00f3 li\u00ean quan kh\u00f4ng?<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Tr\u1ea1ng th\u00e1i chuy\u1ec3n \u0111\u1ed5i v\u00e0 b\u1ed1 tr\u00ed ngu\u1ed3n<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Ranh gi\u1edbi \u0111i\u1ec7n c\u00f3 th\u1ec3 thay \u0111\u1ed5i theo c\u1ea5u h\u00ecnh ngu\u1ed3n c\u1ea5p.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"margin:0 0 16px;line-height:1.7\">Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y m\u1edf r\u1ed9ng logic d\u1ef1a tr\u00ean ph\u00e9p \u0111o c\u00f3 trong <a href=\"https:\/\/cnbygele.com\/vi\/blog\/hvac-vfd-harmonics-commercial-building-pcc\/\">H\u01b0\u1edbng d\u1eabn \u0111o s\u00f3ng h\u00e0i bi\u1ebfn t\u1ea7n (VFD) h\u1ec7 th\u1ed1ng HVAC<\/a>, nh\u01b0ng gi\u1eef cho b\u1ea3n ghi v\u1eadn h\u00e0nh nh\u00e0 ga s\u00e2n bay kh\u00e1c bi\u1ec7t v\u1edbi t\u1ed5ng quan v\u1ec1 t\u00f2a nh\u00e0 th\u01b0\u01a1ng m\u1ea1i n\u00f3i chung.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-3-build-a-pcc-record-that-can-be-compared-responsibly\">Ph\u1ea7n 3. X\u00e2y d\u1ef1ng b\u1ea3n ghi PCC c\u00f3 th\u1ec3 so s\u00e1nh m\u1ed9t c\u00e1ch c\u00f3 tr\u00e1ch nhi\u1ec7m<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">T\u1ea1i \u0111i\u1ec3m \u0111\u1ea5u n\u1ed1i chung (PCC) ho\u1eb7c ranh gi\u1edbi h\u1ec7 th\u1ed1ng \u0111\u00e3 th\u1ecfa thu\u1eadn kh\u00e1c, h\u00e3y thu th\u1eadp th\u00f4ng tin \u0111i\u1ec7n \u00e1p v\u00e0 d\u00f2ng \u0111i\u1ec7n trong c\u00e1c kho\u1ea3ng th\u1eddi gian \u0111\u1ea1i di\u1ec7n v\u00e0 gi\u1eef l\u1ea1i b\u1ea3n ghi nhu c\u1ea7u li\u00ean k\u1ebft. M\u1ee5c ti\u00eau kh\u00f4ng ph\u1ea3i l\u00e0 t\u1ea1o ra m\u1ed9t t\u1ef7 l\u1ec7 ph\u1ea7n tr\u0103m ph\u1ed5 qu\u00e1t duy nh\u1ea5t. M\u1ee5c ti\u00eau l\u00e0 x\u00e1c \u0111\u1ecbnh \u0111i\u1ec1u ki\u1ec7n t\u1ea3i, ranh gi\u1edbi \u0111i\u1ec7n v\u00e0 c\u00e0i \u0111\u1eb7t \u0111o l\u01b0\u1eddng n\u00e0o hi\u1ec7n di\u1ec7n khi b\u1ea3n ghi \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n.<\/p>\n<figure style=\"clear:both;display:block;margin:28px 0;float:none;width:100%;\"><img decoding=\"async\" src=\"https:\/\/cnbygele.com\/wp-content\/uploads\/2026\/04\/3.AHF-Active-Harmonic-Filter.webp\" alt=\"Module b\u1ed9 l\u1ecdc h\u00e0i h\u00f2a g\u1eafn rack cho k\u1ebf ho\u1ea1ch ph\u00f2ng \u0111i\u1ec7n HVAC\" style=\"display:block;max-width:640px;height:auto;float:none;margin:0 auto;\" \/><\/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\">M\u1ee5c so s\u00e1nh<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Gi\u1eef nguy\u00ean ho\u1eb7c ti\u1ebft l\u1ed9<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">S\u1eed d\u1ee5ng quy\u1ebft \u0111\u1ecbnh<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">V\u1ecb tr\u00ed \u0111i\u1ec7n<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0110i\u1ec3m \u0111o, tham chi\u1ebfu bi\u1ebfn d\u00f2ng (CT) v\u00e0 ngu\u1ed3n \u0111i\u1ec7n \u00e1p<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Ng\u0103n ch\u1eb7n vi\u1ec7c so s\u00e1nh k\u1ebft qu\u1ea3 c\u1ee7a m\u1ed9t nh\u00e1nh l\u1ed9 v\u1edbi k\u1ebft qu\u1ea3 t\u1ea1i \u0111i\u1ec3m \u0111\u1ea5u n\u1ed1i chung (PCC).<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">C\u01a1 s\u1edf th\u1eddi gian<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Kho\u1ea3ng th\u1eddi gian, th\u1eddi l\u01b0\u1ee3ng v\u00e0 tham chi\u1ebfu xung nh\u1ecbp<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">K\u1ebft n\u1ed1i d\u1eef li\u1ec7u \u0111i\u1ec7n v\u1edbi nh\u1eadt k\u00fd v\u1eadn h\u00e0nh.<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">T\u1ea3i c\u1ea5u h\u00ecnh<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">C\u00e1c t\u1ed5 m\u00e1y HVAC \u0111ang ch\u1ea1y v\u00e0 c\u00e1c t\u1ea3i tr\u00f9ng l\u1eafp l\u1edbn<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Ph\u00e2n bi\u1ec7t h\u00e0nh vi c\u1ee7a h\u1ec7 th\u1ed1ng v\u1edbi m\u1ed9t s\u1ef1 ki\u1ec7n truy\u1ec1n \u0111\u1ed9ng \u0111\u01a1n l\u1ebb.<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Ng\u1eef c\u1ea3nh ch\u1ea5p nh\u1eadn<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Ch\u1ec9 s\u1ed1 h\u1ee3p \u0111\u1ed3ng v\u00e0 ng\u01b0\u1eddi \u0111\u00e1nh gi\u00e1 ch\u1ecbu tr\u00e1ch nhi\u1ec7m<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Ng\u0103n ch\u1eb7n m\u1ed9t b\u00e0i vi\u1ebft ho\u1eb7c bi\u1ec3u \u0111\u1ed3 chung tr\u1edf th\u00e0nh k\u1ebft lu\u1eadn v\u1ec1 s\u1ef1 tu\u00e2n th\u1ee7.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"margin:0 0 16px;line-height:1.7\">The <a href=\"https:\/\/www.energy.gov\/cmei\/ito\/industrial-technologies-office\" rel=\"nofollow noopener\" target=\"_blank\">V\u0103n ph\u00f2ng C\u00f4ng ngh\u1ec7 C\u00f4ng nghi\u1ec7p thu\u1ed9c B\u1ed9 N\u0103ng l\u01b0\u1ee3ng<\/a> cung c\u1ea5p b\u1ed1i c\u1ea3nh h\u1ec7 th\u1ed1ng c\u00f4ng nghi\u1ec7p r\u1ed9ng h\u01a1n. N\u00f3 kh\u00f4ng thi\u1ebft l\u1eadp gi\u1edbi h\u1ea1n ch\u1ea5p nh\u1eadn cho m\u1ed9t l\u1eafp \u0111\u1eb7t \u0111\u1ea7u cu\u1ed1i c\u1ee5 th\u1ec3. T\u01b0\u01a1ng t\u1ef1, m\u1ed9t tham chi\u1ebfu IEEE cung c\u1ea5p b\u1ed1i c\u1ea3nh \u0111\u00e1nh gi\u00e1, kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t ph\u00edm t\u1eaft \u0111\u1ec3 ch\u1ecdn c\u00f4ng su\u1ea5t d\u1ef1a tr\u00ean \u0111\u00e1nh gi\u00e1 c\u1ee7a \u0111\u1ed9ng c\u01a1 k\u1ebft n\u1ed1i.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-4-separate-harmonic-mitigation-from-other-terminal-power-quality-issues\">Ph\u1ea7n 4. Ph\u00e2n bi\u1ec7t gi\u1ea3m thi\u1ec3u h\u00e0i h\u00f2a kh\u1ecfi c\u00e1c v\u1ea5n \u0111\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng ngu\u1ed3n \u0111i\u1ec7n kh\u00e1c c\u1ee7a \u0111i\u1ec3m cu\u1ed1i<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">C\u00e1c c\u00e2u h\u1ecfi li\u00ean quan \u0111\u1ebfn VFD c\u00f3 th\u1ec3 ch\u1ed3ng ch\u00e9o v\u1edbi bi\u1ebfn \u0111\u1ed5i \u0111i\u1ec7n \u00e1p, y\u00eau c\u1ea7u c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng, s\u1ef1 ki\u1ec7n chuy\u1ec3n \u0111\u1ed5i, m\u1ea5t c\u00e2n b\u1eb1ng, n\u1ed1i \u0111\u1ea5t ho\u1eb7c h\u00e0nh vi b\u1ea3o v\u1ec7. X\u1eed l\u00fd m\u1ecdi tri\u1ec7u ch\u1ee9ng \u0111i\u1ec7n nh\u01b0 m\u1ed9t c\u00e2u h\u1ecfi v\u1ec1 b\u1ed9 l\u1ecdc h\u00e0i h\u00f2a c\u00f3 th\u1ec3 t\u1ea1o ra ph\u1ea1m vi kh\u00f4ng ch\u00ednh x\u00e1c. Cu\u1ed9c \u0111i\u1ec1u tra n\u00ean x\u00e1c \u0111\u1ecbnh tr\u01b0\u1edbc xem d\u00f2ng h\u00e0i t\u1ea1i ranh gi\u1edbi \u0111\u00e3 \u0111\u1ecbnh c\u00f3 ph\u1ea3i l\u00e0 v\u1ea5n \u0111\u1ec1 c\u1ea7n gi\u1ea3i quy\u1ebft 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\">M\u1ed1i quan t\u00e2m \u0111\u00e3 quan s\u00e1t<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">C\u00e2u h\u1ecfi \u0111\u00e1nh gi\u00e1 \u0111\u1ea7u ti\u00ean<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">\u0110\u1eebng m\u1eb7c \u0111\u1ecbnh<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">B\u1ea3n ghi d\u00f2ng \u0111i\u1ec7n h\u00e0i<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">N\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111o \u1edf \u0111\u00e2u v\u00e0 trong tr\u1ea1ng th\u00e1i HVAC n\u00e0o?<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">R\u1eb1ng m\u1ed9t b\u1ed9 truy\u1ec1n \u0111\u1ed9ng l\u00e0 ngu\u1ed3n duy nh\u1ea5t.<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">S\u1ef1 c\u1ed1 \u0111i\u1ec7n<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">S\u1ef1 ki\u1ec7n c\u00f3 ph\u00f9 h\u1ee3p v\u1edbi thay \u0111\u1ed5i ngu\u1ed3n cung c\u1ea5p, chuy\u1ec3n \u0111\u1ed5i ho\u1eb7c t\u1ea3i kh\u00f4ng?<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">R\u1eb1ng m\u1ed9t thi\u1ebft b\u1ecb gi\u1ea3m d\u00f2ng \u0111i\u1ec7n c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft m\u1ecdi s\u1ef1 ki\u1ec7n \u0111i\u1ec7n \u00e1p.<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">M\u1ee5c ti\u00eau c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">H\u00e0nh vi ph\u1ea3n \u1ee9ng \u0111\u1ed9ng c\u00f3 ph\u1ea3i l\u00e0 m\u1ee5c ti\u00eau \u0111\u00e3 \u0111\u1ec1 ra kh\u00f4ng?<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">R\u1eb1ng n\u00f3 c\u00f3 c\u00f9ng c\u01a1 s\u1edf l\u1ef1a ch\u1ecdn nh\u01b0 gi\u1ea3m d\u00f2ng h\u00e0i h\u00f2a.<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">C\u1ea3nh b\u00e1o b\u1ea3o v\u1ec7 ho\u1eb7c v\u1eadn h\u00e0nh<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">C\u00f3 m\u1ed1i quan h\u1ec7 \u0111i\u1ec7n n\u00e0o \u0111\u01b0\u1ee3c ghi l\u1ea1i kh\u00f4ng?<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">R\u1eb1ng m\u1ed9t b\u00e0i b\u00e1o c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u0110\u1ed1i v\u1edbi quy tr\u00ecnh \u0111o l\u01b0\u1eddng li\u00ean quan, xem <a href=\"https:\/\/cnbygele.com\/vi\/blog\/power-quality-metering-before-apf-svg-rfq\/\">\u0111o l\u01b0\u1eddng ch\u1ea5t l\u01b0\u1ee3ng \u0111i\u1ec7n n\u0103ng tr\u01b0\u1edbc b\u1ed9 l\u1ecdc c\u00f4ng su\u1ea5t t\u00edch c\u1ef1c (APF) ho\u1eb7c m\u00e1y ph\u00e1t t\u0129nh (SVG) RFQ<\/a>. N\u00f3 gi\u00fap c\u00e1c nh\u00f3m x\u00e1c \u0111\u1ecbnh khung ch\u1ee9ng c\u1ee9 c\u1ea7n thi\u1ebft tr\u01b0\u1edbc cu\u1ed9c th\u1ea3o lu\u1eadn v\u1ec1 s\u1ea3n ph\u1ea9m.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-5-review-mitigation-options-against-an-integration-scope\">Ph\u1ea7n 5. Xem x\u00e9t c\u00e1c ph\u01b0\u01a1ng \u00e1n gi\u1ea3m thi\u1ec3u so v\u1edbi ph\u1ea1m vi t\u00edch h\u1ee3p<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u0110\u00e1nh gi\u00e1 AHF\/APF c\u00f3 th\u1ec3 ph\u00f9 h\u1ee3p khi d\u00f2ng \u0111i\u1ec7n h\u00e0i \u0111o \u0111\u01b0\u1ee3c l\u00e0 m\u1ee5c ti\u00eau d\u1ef1 \u00e1n \u0111\u00e3 th\u1ed1ng nh\u1ea5t. N\u00f3 v\u1eabn c\u1ea7n m\u1ed9t \u0111i\u1ec3m k\u1ebft n\u1ed1i, s\u1eafp x\u1ebfp CT, ghi l\u1ea1i t\u1ea3i, c\u01a1 s\u1edf dung l\u01b0\u1ee3ng, xem x\u00e9t b\u1ea3o v\u1ec7, kh\u00f4ng gian, l\u00e0m m\u00e1t, \u0111\u1ecbnh tuy\u1ebfn c\u00e1p, v\u00e0 ph\u01b0\u01a1ng ph\u00e1p ch\u1ea5p nh\u1eadn. Trang <a href=\"https:\/\/cnbygele.com\/vi\/product\/ahf-active-harmonic-filter-harmonic-control\/\">B\u1ed9 l\u1ecdc s\u00f3ng h\u00e0i t\u00edch c\u1ef1c AHF<\/a> l\u00e0 \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u cho d\u00f2ng s\u1ea3n ph\u1ea9m, kh\u00f4ng thay th\u1ebf ph\u1ea1m vi k\u1ef9 thu\u1eadt \u0111\u00f3.<\/p>\n<figure style=\"clear:both;display:block;margin:28px 0;float:none;width:100%;\"><img decoding=\"async\" src=\"https:\/\/cnbygele.com\/wp-content\/uploads\/2026\/04\/4.AHF-Active-Harmonic-Filter.webp\" alt=\"V\u1ecf b\u1ecdc CNBYG AHF cho ph\u1ea1m vi d\u00f2ng h\u00e0i h\u00f2a c\u1ee7a s\u00e2n bay \u0111\u00e3 x\u00e1c \u0111\u1ecbnh\" style=\"display:block;max-width:640px;height:auto;float:none;margin:0 auto;\" \/><\/figure>\n<p style=\"margin:0 0 16px;line-height:1.7\">C\u00e1c t\u00ecnh hu\u1ed1ng kh\u00e1c c\u00f3 th\u1ec3 y\u00eau c\u1ea7u m\u1ed9t \u0111\u00e1nh gi\u00e1 kh\u00e1c: m\u1ee5c ti\u00eau c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng, t\u01b0\u01a1ng t\u00e1c m\u1ea1ng, s\u1ef1 ki\u1ec7n ph\u00eda tr\u00ean, ho\u1eb7c v\u1ea5n \u0111\u1ec1 \u0111i\u1ec1u khi\u1ec3n c\u00f3 th\u1ec3 c\u00f3 \u0111\u01b0\u1eddng ch\u1ee9ng c\u1ee9 kh\u00e1c. Kh\u00f4ng ch\u1ecdn m\u1ed9t t\u00f9y ch\u1ecdn t\u1eeb h\u1ed3 s\u01a1 terminal chung chung m\u1ed9t m\u00ecnh.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-6-prepare-a-project-inquiry-without-promising-a-terminal-outcome\">Ph\u1ea7n 6. Chu\u1ea9n b\u1ecb m\u1ed9t y\u00eau c\u1ea7u d\u1ef1 \u00e1n m\u00e0 kh\u00f4ng h\u1ee9a h\u1eb9n k\u1ebft qu\u1ea3 cu\u1ed1i c\u00f9ng<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">M\u1ed9t y\u00eau c\u1ea7u terminal-HVAC hi\u1ec7u qu\u1ea3 m\u00f4 t\u1ea3 ranh gi\u1edbi \u0111i\u1ec7n v\u00e0 \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh, thay v\u00ec ch\u1ec9 li\u1ec7t k\u00ea c\u00f4ng su\u1ea5t \u0111\u1ed9ng c\u01a1 \u0111\u00e3 l\u1eafp \u0111\u1eb7t. G\u1eedi c\u00e1c th\u00f4ng tin sau c\u00f9ng c\u00e2u h\u1ecfi 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\">Ng\u01b0\u1eddi mua ph\u1ea3i cung c\u1ea5p<\/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\">S\u01a1 \u0111\u1ed3 m\u1ed9t s\u1ee3i v\u00e0 c\u00e1c th\u00f4ng s\u1ed1 danh \u0111\u1ecbnh c\u1ee7a h\u1ec7 th\u1ed1ng<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Thi\u1ebft l\u1eadp \u0111i\u1ec3m k\u1ebft n\u1ed1i v\u00e0 b\u1ed1i c\u1ea3nh cung c\u1ea5p.<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">V\u1ecb tr\u00ed \u0111\u1ed3ng h\u1ed3 \u0111o, bi\u1ebfn d\u00f2ng (CT) v\u00e0 \u0111i\u1ec7n \u00e1p chu\u1ea9n<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">L\u00e0m r\u00f5 v\u1ecb tr\u00ed \u0111o l\u01b0\u1eddng.<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Ghi l\u1ea1i \u0111i\u1ec7n \u00e1p\/ d\u00f2ng \u0111i\u1ec7n \u0111\u1ea1i di\u1ec7n v\u1edbi c\u00e1c kho\u1ea3ng th\u1eddi gian<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Hi\u1ec3n th\u1ecb b\u1ed9 d\u1eef li\u1ec7u \u0111\u1eb1ng sau y\u00eau c\u1ea7u.<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Nh\u1eadt k\u00fd tr\u1ea1ng th\u00e1i ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y l\u00e0m l\u1ea1nh, AHU, b\u01a1m, v\u00e0 qu\u1ea1t<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Li\u00ean k\u1ebft m\u1ed7i b\u1ea3n ghi v\u1edbi \u0111i\u1ec1u ki\u1ec7n terminal.<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Th\u00f4ng tin v\u1ec1 t\u1ee5 \u0111i\u1ec7n, b\u1ed9 ph\u1ea3n \u1ee9ng, b\u1ed9 l\u1ecdc, v\u00e0 b\u1ea3o v\u1ec7 hi\u1ec7n c\u00f3<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">X\u00e1c \u0111\u1ecbnh c\u00e1c r\u00e0ng bu\u1ed9c t\u00edch h\u1ee3p.<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Gi\u1edbi h\u1ea1n ph\u00f2ng thi\u1ebft b\u1ecb \u0111\u1ec1 xu\u1ea5t, l\u00e0m m\u00e1t, c\u00e1p, v\u00e0 truy\u1ec1n th\u00f4ng<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Ki\u1ec3m tra xem m\u1ed9t kh\u00e1i ni\u1ec7m l\u1eafp \u0111\u1eb7t c\u00f3 th\u1ef1c t\u1ebf hay kh\u00f4ng.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"margin:0 0 16px;line-height:1.7\">CNBYG c\u00f3 th\u1ec3 th\u1ea3o lu\u1eadn xem d\u00f2ng s\u1ea3n ph\u1ea9m c\u1ee7a h\u1ecd ph\u00f9 h\u1ee3p v\u1edbi ph\u1ea1m vi d\u00f2ng d\u00f2ng \u0111i\u1ec7n h\u00e0i \u0111\u00e3 \u0111\u1ecbnh ngh\u0129a hay kh\u00f4ng. N\u00f3 kh\u00f4ng th\u1ec3 h\u1ee9a h\u1eb9n th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng c\u1ee7a s\u00e2n bay, s\u1ef1 tho\u1ea3i m\u00e1i c\u1ee7a h\u00e0nh kh\u00e1ch, ph\u00ea duy\u1ec7t an to\u00e0n, tu\u00e2n th\u1ee7 m\u00e3, ho\u1eb7c k\u1ebft qu\u1ea3 \u0111i\u1ec7n \u0111\u1ea3m b\u1ea3o t\u1eeb h\u01b0\u1edbng d\u1eabn chung. S\u1eed d\u1ee5ng <a href=\"https:\/\/cnbygele.com\/vi\/contact-us\/\">m\u1eabu th\u00f4ng tin d\u1ef1 \u00e1n terminal<\/a> \u0111\u1ec3 b\u1eaft \u0111\u1ea7u th\u1ea3o lu\u1eadn ph\u1ea1m vi.<\/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\">T\u1ea1i sao h\u1ed3 s\u01a1 \u0111\u1ea7u cu\u1ed1i c\u1ee7a \u1ed5 \u0111\u0129a kh\u00f4ng gi\u1ed1ng nh\u01b0 h\u1ed3 s\u01a1 PCC?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">H\u1ed3 s\u01a1 \u0111\u1ea7u cu\u1ed1i c\u1ee7a \u1ed5 \u0111\u0129a m\u00f4 t\u1ea3 m\u1ed9t v\u1ecb tr\u00ed \u0111i\u1ec7n t\u1eed \u0111\u1ecba ph\u01b0\u01a1ng. H\u1ed3 s\u01a1 PCC \u0111\u01b0\u1ee3c l\u1ea5y t\u1ea1i ranh gi\u1edbi h\u1ec7 th\u1ed1ng \u0111\u00e3 th\u1ecfa thu\u1eadn v\u00e0 c\u00f3 th\u1ec3 bao g\u1ed3m t\u00e1c \u0111\u1ed9ng k\u1ebft h\u1ee3p c\u1ee7a nhi\u1ec1u t\u1ea3i v\u00e0 s\u1eafp x\u1ebfp ngu\u1ed3n cung c\u1ea5p.<\/p>\n<h3 style=\"margin:28px 0 12px\">C\u00e1c tr\u1ea1ng th\u00e1i v\u1eadn h\u00e0nh HVAC c\u1ee7a s\u00e2n bay n\u00e0o n\u00ean \u0111\u01b0\u1ee3c ghi l\u1ea1i?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Ghi l\u1ea1i c\u00e1c nh\u00f3m m\u00e1y l\u00e0m l\u1ea1nh \u0111ang ho\u1ea1t \u0111\u1ed9ng, b\u1ed9 x\u1eed l\u00fd kh\u00ed, b\u01a1m, qu\u1ea1t, c\u00e1c thay \u0111\u1ed5i giai \u0111o\u1ea1n ho\u1eb7c t\u1ed1c \u0111\u1ed9 c\u1ee7a ch\u00fang, c\u01a1 s\u1edf th\u1eddi gian, t\u1ea3i ch\u00ednh \u0111\u1ed3ng th\u1eddi, v\u00e0 b\u1ea5t k\u1ef3 s\u1eafp x\u1ebfp ngu\u1ed3n d\u1ef1 ph\u00f2ng n\u00e0o li\u00ean quan.<\/p>\n<h3 style=\"margin:28px 0 12px\">KW c\u1ee7a \u0111\u1ed9ng c\u01a1 k\u1ebft n\u1ed1i c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc AHF ho\u1eb7c APF kh\u00f4ng?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Kh\u00f4ng. M\u1ed9t cu\u1ed9c xem x\u00e9t c\u1ea7n c\u00f3 h\u00e0nh vi d\u00f2ng \u0111i\u1ec7n \u0111o \u0111\u01b0\u1ee3c, h\u1ed3 s\u01a1 tr\u1ea1ng th\u00e1i v\u1eadn h\u00e0nh, \u0111i\u1ec3m k\u1ebft n\u1ed1i \u0111\u1ec1 xu\u1ea5t, v\u00e0 m\u1ee5c ti\u00eau \u0111\u00e3 x\u00e1c \u0111\u1ecbnh tr\u01b0\u1edbc khi th\u1ea3o lu\u1eadn v\u1ec1 c\u00f4ng su\u1ea5t.<\/p>\n<h3 style=\"margin:28px 0 12px\">M\u1ed9t tham chi\u1ebfu IEEE c\u00f3 l\u00e0m cho k\u1ebft qu\u1ea3 cu\u1ed1i c\u00f9ng ph\u00f9 h\u1ee3p kh\u00f4ng?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Kh\u00f4ng. Ranh gi\u1edbi \u00e1p d\u1ee5ng, b\u1ed9 d\u1eef li\u1ec7u, y\u00eau c\u1ea7u h\u1ee3p \u0111\u1ed3ng, \u0111i\u1ec1u ki\u1ec7n m\u1ea1ng, v\u00e0 quy tr\u00ecnh ch\u1ea5p nh\u1eadn ph\u1ea3i \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp cho d\u1ef1 \u00e1n c\u1ee5 th\u1ec3.<\/p>\n<h3 style=\"margin:28px 0 12px\">N\u00ean bao g\u1ed3m g\u00ec trong y\u00eau c\u1ea7u \u0111i\u1ec1u tra h\u00e0i h\u00f2a HVAC c\u1ee7a s\u00e2n bay?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Bao g\u1ed3m s\u01a1 \u0111\u1ed3 m\u1ed9t d\u00f2ng, th\u00f4ng tin h\u1ec7 th\u1ed1ng danh ngh\u0129a, v\u1ecb tr\u00ed \u0111\u1ed3ng h\u1ed3 \u0111o v\u00e0 CT, h\u1ed3 s\u01a1 \u0111\u1ea1i di\u1ec7n, nh\u1eadt k\u00fd tr\u1ea1ng th\u00e1i v\u1eadn h\u00e0nh HVAC, thi\u1ebft b\u1ecb hi\u1ec7n c\u00f3, chi ti\u1ebft b\u1ea3o v\u1ec7, v\u00e0 c\u00e1c h\u1ea1n ch\u1ebf l\u1eafp \u0111\u1eb7t.<\/p>\n<h3 style=\"margin:28px 0 12px\">H\u01b0\u1edbng d\u1eabn n\u00e0y c\u00f3 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 v\u1eadn h\u00e0nh c\u1ee7a s\u00e2n bay kh\u00f4ng?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Kh\u00f4ng. N\u00f3 h\u1ed7 tr\u1ee3 th\u1ea3o lu\u1eadn d\u1ef1 \u00e1n d\u1ef1a tr\u00ean \u0111o l\u01b0\u1eddng v\u00e0 kh\u00f4ng thay th\u1ebf cho nghi\u00ean c\u1ee9u b\u1ea3o v\u1ec7, xem x\u00e9t ti\u1ec7n \u00edch, xem x\u00e9t m\u00e3, quy tr\u00ecnh an to\u00e0n ho\u1eb7c ki\u1ec3m tra ch\u1ea5p nh\u1eadn.<\/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.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\/cmei\/ito\/industrial-technologies-office\" rel=\"nofollow noopener\" target=\"_blank\">V\u0103n ph\u00f2ng C\u00f4ng ngh\u1ec7 C\u00f4ng nghi\u1ec7p thu\u1ed9c B\u1ed9 N\u0103ng l\u01b0\u1ee3ng<\/a><\/li>\n<\/ul>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Airport terminal HVAC VFD harmonic work should begin with a measurement question, not a device choice. The record needs to state whether it represents one drive lineup, a mechanical-electrical room bus, or the terminal point of common coupling (PCC), and it needs to identify the operating state that produced it. Chillers, air-handling units, pumps, cooling-tower [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":1309,"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-2355","post","type-post","status-publish","format-standard","has-post-thumbnail","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\/2355","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=2355"}],"version-history":[{"count":1,"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/posts\/2355\/revisions"}],"predecessor-version":[{"id":2537,"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/posts\/2355\/revisions\/2537"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/media\/1309"}],"wp:attachment":[{"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/media?parent=2355"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/categories?post=2355"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/tags?post=2355"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}