{"id":2361,"date":"2026-08-12T09:00:00","date_gmt":"2026-08-12T01:00:00","guid":{"rendered":"https:\/\/cnbygele.com\/blog\/displacement-vs-distortion-power-factor-logging\/"},"modified":"2026-08-24T17:23:52","modified_gmt":"2026-08-24T09:23:52","slug":"displacement-vs-distortion-power-factor-logging","status":"publish","type":"post","link":"https:\/\/cnbygele.com\/vi\/blog\/displacement-vs-distortion-power-factor-logging\/","title":{"rendered":"\u0110\u1ed9 d\u1ecbch chuy\u1ec3n PF vs \u0110\u1ed9 m\u00e9o PF: Ph\u01b0\u01a1ng ph\u00e1p ghi d\u1eef li\u1ec7u ri\u00eang bi\u1ec7t"},"content":{"rendered":"<div class=\"b2b-article\">\n<p style=\"margin:0 0 16px;line-height:1.7\">Vi\u1ec7c ghi l\u1ea1i h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t tr\u1edf n\u00ean h\u1eefu \u00edch h\u01a1n khi b\u00e1o c\u00e1o t\u00e1ch c\u00e2u h\u1ecfi v\u1ec1 \u0111\u1ed9 l\u1ec7ch pha kh\u1ecfi b\u1eb1ng ch\u1ee9ng v\u1ec1 bi\u1ebfn d\u1ea1ng d\u1ea1ng s\u00f3ng. M\u1ed9t gi\u00e1 tr\u1ecb duy nh\u1ea5t tr\u00ean b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n c\u00f3 th\u1ec3 l\u00e0 t\u00edn hi\u1ec7u h\u1eefu \u00edch, nh\u01b0ng n\u00f3 kh\u00f4ng x\u00e1c \u0111\u1ecbnh ranh gi\u1edbi \u0111i\u1ec7n, \u0111i\u1ec1u ki\u1ec7n ho\u1ea1t \u0111\u1ed9ng, ho\u1eb7c li\u1ec7u c\u00e2u h\u1ecfi v\u1ec1 c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng hay d\u00f2ng \u0111i\u1ec7n h\u00e0i \u0111ang \u0111\u01b0\u1ee3c xem x\u00e9t hay kh\u00f4ng.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u0110\u1ec3 c\u00f3 c\u00e1i nh\u00ecn t\u1ed5ng quan v\u1ec1 quy ho\u1ea1ch, h\u00e3y b\u1eaft \u0111\u1ea7u v\u1edbi <a href=\"https:\/\/cnbygele.com\/vi\/reactive-power-compensation-guides\/\">H\u01b0\u1edbng d\u1eabn v\u1ec1 vi\u1ec7c b\u00f9 \u0111\u1eafp c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng<\/a>. Trang n\u00e0y m\u00f4 t\u1ea3 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p l\u01b0u tr\u1eef d\u1eef li\u1ec7u; n\u00f3 kh\u00f4ng h\u1ee9a h\u1eb9n k\u1ebft qu\u1ea3 kh\u1eafc ph\u1ee5c, k\u00edch th\u01b0\u1edbc thi\u1ebft b\u1ecb ho\u1eb7c k\u1ebft qu\u1ea3 tu\u00e2n th\u1ee7.<\/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\/04\/15.JKW-PV.webp\" alt=\"B\u1ed9 \u0111i\u1ec1u khi\u1ec3n CNBYG \u0111\u1ec3 ghi l\u1ea1i d\u1eef li\u1ec7u ki\u1ec3m tra h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t ri\u00eang bi\u1ec7t\" \/><\/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-electrical-question-before-logging-pf\">Ph\u1ea7n 1. X\u00e1c \u0111\u1ecbnh c\u00e2u h\u1ecfi v\u1ec1 \u0111i\u1ec7n tr\u01b0\u1edbc khi \u0111\u0103ng nh\u1eadp PF<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-2-keep-displacement-and-distortion-records-distinct\">Ph\u1ea7n 2. Gi\u1eef cho c\u00e1c b\u1ea3n ghi v\u1ec1 s\u1ef1 d\u1ecbch chuy\u1ec3n v\u00e0 bi\u1ebfn d\u1ea1ng lu\u00f4n ri\u00eang bi\u1ec7t<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-3-log-the-operating-state-beside-the-values\">Ph\u1ea7n 3. L\u1eadp log tr\u1ea1ng th\u00e1i ho\u1ea1t \u0111\u1ed9ng b\u00ean c\u1ea1nh c\u00e1c gi\u00e1 tr\u1ecb<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-4-place-the-meter-at-the-decision-boundary\">Ph\u1ea7n 4. \u0110\u1eb7t \u0111\u1ed3ng h\u1ed3 \u0111o t\u1ea1i ranh gi\u1edbi quy\u1ebft \u0111\u1ecbnh<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-5-link-the-records-to-an-appropriate-review-scope\">Ph\u1ea7n 5. Li\u00ean k\u1ebft c\u00e1c b\u1ea3n ghi v\u1edbi ph\u1ea1m vi \u0111\u00e1nh gi\u00e1 ph\u00f9 h\u1ee3p<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-6-send-a-two-objective-measurement-package\">Ph\u1ea7n 6. G\u1eedi g\u00f3i \u0111o l\u01b0\u1eddng g\u1ed3m hai m\u1ee5c ti\u00eau<\/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\">H\u00e3y l\u01b0u chuy\u1ec3n v\u1ecb tr\u00ed PF, t\u1ed5ng l\u01b0\u1ee3ng PF \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb, b\u1eb1ng ch\u1ee9ng v\u1ec1 d\u00f2ng \u0111i\u1ec7n h\u00e0i h\u00f2a v\u00e0 ghi ch\u00fa v\u1ec1 tr\u1ea1ng th\u00e1i ho\u1ea1t \u0111\u1ed9ng trong m\u1ed9t b\u1ed9 h\u1ed3 s\u01a1 c\u00f3 t\u00ean ri\u00eang. Vi\u1ec7c so s\u00e1nh s\u1ebd tr\u1edf n\u00ean c\u00f3 th\u1ec3 xem x\u00e9t khi m\u1ecdi gi\u00e1 tr\u1ecb \u0111\u1ec1u d\u1eabn \u0111\u1ebfn c\u00f9ng m\u1ed9t v\u1ecb tr\u00ed \u0111i\u1ec7n v\u00e0 khung th\u1eddi gian.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-1-name-the-electrical-question-before-logging-pf\">Ph\u1ea7n 1. X\u00e1c \u0111\u1ecbnh c\u00e2u h\u1ecfi v\u1ec1 \u0111i\u1ec7n tr\u01b0\u1edbc khi \u0111\u0103ng nh\u1eadp PF<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Tr\u01b0\u1edbc khi c\u1ea5u h\u00ecnh xu h\u01b0\u1edbng, h\u00e3y vi\u1ebft m\u1ee5c \u0111\u00edch c\u1ee7a n\u00f3. \u0110\u1ed9i ng\u0169 c\u00f3 th\u1ec3 \u0111ang \u0111\u00e1nh gi\u00e1 l\u1ea1i ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng, so s\u00e1nh vi\u1ec7c ph\u00e2n ph\u1ed1i c\u00f4ng su\u1ea5t gi\u1eefa c\u00e1c ca l\u00e0m vi\u1ec7c, ghi ch\u00e9p c\u00e1c b\u1eb1ng ch\u1ee9ng v\u1ec1 hi\u1ec7n t\u01b0\u1ee3ng d\u00f2ng \u0111i\u1ec7n c\u1ed9ng h\u01b0\u1edfng ho\u1eb7c chu\u1ea9n b\u1ecb m\u1ed9t b\u00e1o c\u00e1o \u0111i\u1ec1u tra. \u0110\u00e2y l\u00e0 nh\u1eefng c\u00e2u h\u1ecfi c\u00f3 li\u00ean quan nh\u01b0ng kh\u00e1c nhau, v\u00ec v\u1eady ghi ch\u00e9p ph\u1ea3i n\u00eau r\u00f5 quy\u1ebft \u0111\u1ecbnh n\u00e0o \u0111\u01b0\u1ee3c d\u1ef1 \u0111\u1ecbnh h\u1ed7 tr\u1ee3.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u0110\u00e1nh d\u1ea5u v\u1ecb tr\u00ed c\u1ee7a \u0111\u1ed3ng h\u1ed3 \u0111o, h\u01b0\u1edbng c\u1ee7a CT, tham chi\u1ebfu \u0111i\u1ec7n \u00e1p, c\u01a1 s\u1edf th\u1eddi gian v\u00e0 ng\u01b0\u1eddi gi\u00e1m s\u00e1t ch\u1ecbu tr\u00e1ch nhi\u1ec7m tr\u00ean m\u1ed9t s\u01a1 \u0111\u1ed3 \u0111\u01a1n d\u00f2ng. M\u1ed9t s\u1ed1 l\u01b0\u1ee3ng t\u1eeb \u0111\u1ea7u v\u00e0o c\u1ee5c b\u1ed9 kh\u00f4ng t\u1ef1 \u0111\u1ed9ng m\u00f4 t\u1ea3 v\u1ec1 m\u1ed9t thi\u1ebft b\u1ecb c\u1ea5p ngu\u1ed3n ho\u1eb7c ranh gi\u1edbi ph\u00eda cung c\u1ea5p.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\"><strong>Quan tr\u1ecdng:<\/strong> Kh\u00f4ng n\u00ean bi\u1ebfn m\u1ed9t m\u00e0n h\u00ecnh PF th\u1ea5p th\u00e0nh h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb. M\u1ee5c ti\u00eau \u0111i\u1ec7n, ranh gi\u1edbi \u0111\u00e1nh gi\u00e1 v\u00e0 ph\u01b0\u01a1ng ph\u00e1p ch\u1ea5p nh\u1eadn ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh c\u00f9ng nhau (<a href=\"https:\/\/standards.ieee.org\/ieee\/519\/5892\/\" rel=\"nofollow noopener\" target=\"_blank\">B\u1ed1i c\u1ea3nh tham chi\u1ebfu IEEE 519<\/a>).<\/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\">V\u1ea5n \u0111\u1ec1 \u0111ang \u0111\u01b0\u1ee3c xem x\u00e9t<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">L\u01b0u gi\u1eef k\u1ef7 l\u1ee5c<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">L\u01b0u \u00fd v\u1ec1 ranh gi\u1edbi<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">H\u00e0nh vi c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Xu h\u01b0\u1edbng PF, \u0111i\u1ec7n \u00e1p, d\u00f2ng \u0111i\u1ec7n, tr\u1ea1ng th\u00e1i t\u1ea3i<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">H\u00e3y n\u00eau t\u00ean c\u1ee7a b\u1ed9 chuy\u1ec3n \u0111\u1ed5i ho\u1eb7c bus.<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">H\u00e0nh vi d\u00f2ng \u0111i\u1ec7n h\u00e0i h\u00f2a<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">L\u01b0u d\u1eef li\u1ec7u h\u00e0i h\u00f2a ri\u00eang l\u1ebb ho\u1eb7c t\u1ed5ng h\u1ee3p, c\u00e0i \u0111\u1eb7t \u0111\u1ed3ng h\u1ed3<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">H\u00e3y t\u00e1ch n\u00f3 ra kh\u1ecfi k\u1ebft lu\u1eadn ch\u1ec9 \u00e1p d\u1ee5ng cho PF.<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Vi\u1ec7c \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng n\u0103ng l\u01b0\u1ee3ng k\u1ebft h\u1ee3p<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">C\u1ea3 hai t\u1eadp d\u1eef li\u1ec7u ghi l\u1ea1i c\u1ed9ng v\u1edbi m\u1ed9t s\u01a1 \u0111\u1ed3 m\u1ed9t d\u00f2ng<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Gi\u1ea3i th\u00edch c\u00e1ch ch\u00fang li\u00ean quan t\u1ea1i \u0111i\u1ec3m \u0111\u01b0\u1ee3c ch\u1ecdn.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-2-keep-displacement-and-distortion-records-distinct\">Ph\u1ea7n 2. Gi\u1eef cho c\u00e1c b\u1ea3n ghi v\u1ec1 s\u1ef1 d\u1ecbch chuy\u1ec3n v\u00e0 bi\u1ebfn d\u1ea1ng lu\u00f4n ri\u00eang bi\u1ec7t<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Quy t\u1eafc h\u1eefu \u00edch r\u1ea5t \u0111\u01a1n gi\u1ea3n: h\u00e3y ghi nh\u00e3n cho tr\u01b0\u1eddng \u0111o \u0111\u01b0\u1ee3c ghi l\u1ea1i b\u1edfi thi\u1ebft b\u1ecb v\u00e0 kh\u00f4ng thay th\u1ebf n\u00f3 b\u1eb1ng m\u1ed9t c\u1ee5m t\u1eeb chung chung. N\u1ebfu \u0111\u1ed3ng h\u1ed3 \u0111o cung c\u1ea5p tr\u01b0\u1eddng \u0111o \u0111\u1ea1c chuy\u1ec3n \u0111\u1ed9ng, h\u00e3y gi\u1eef l\u1ea1i tr\u01b0\u1eddng \u0111o \u0111\u1ea1c \u0111\u00f3 c\u00f9ng v\u1edbi khung th\u1eddi gian c\u1ee7a n\u00f3. H\u00e3y l\u01b0u tr\u1eef c\u00e1c b\u1ea3n ghi d\u00f2ng \u0111i\u1ec7n ho\u1eb7c d\u1ea1ng s\u00f3ng theo c\u1ed9t ri\u00eang ho\u1eb7c trong ph\u1ea7n \u0111\u00ednh k\u00e8m, thay v\u00ec cho r\u1eb1ng ch\u00fang c\u00f3 c\u00f9ng nguy\u00ean nh\u00e2n ho\u1eb7c gi\u1ea3i ph\u00e1p kh\u1eafc ph\u1ee5c.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u0110i\u1ec1u n\u00e0y kh\u00f4ng \u0111\u00f2i h\u1ecfi m\u1ed9t b\u00e1o c\u00e1o l\u00fd thuy\u1ebft d\u00e0i d\u00f2ng. N\u00f3 ch\u1ec9 c\u1ea7n \u0111\u1ee7 th\u00f4ng tin si\u00eau d\u1eef li\u1ec7u \u0111\u1ec3 m\u1ed9t k\u1ef9 s\u01b0 c\u00f3 th\u1ec3 th\u1ea5y \u0111\u01b0\u1ee3c nh\u1eefng g\u00ec \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111o v\u00e0 tr\u00e1nh so s\u00e1nh c\u00e1c gi\u00e1 tr\u1ecb kh\u00f4ng t\u01b0\u01a1ng t\u1ef1 nhau. <a href=\"https:\/\/cnbygele.com\/vi\/blog\/power-factor-versus-harmonic-distortion-selection\/\">Quy\u1ebft \u0111\u1ecbnh v\u1ec1 h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t v\u00e0 bi\u1ebfn d\u1ea1ng h\u00e0i<\/a> H\u01b0\u1edbng d\u1eabn c\u00f3 th\u1ec3 gi\u00fap \u0111\u1ecbnh h\u00ecnh m\u1ee5c ti\u00eau tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh cu\u1ed9c \u0111i\u1ec1u tra.<\/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 b\u1ea3n ghi<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">\u0110\u1eb7t b\u00ean c\u1ea1nh n\u00f3<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">\u0110\u1eebng suy di\u1ec5n<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Hi\u1ec3n th\u1ecb t\u1ed5ng s\u1ed1 PF<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Nh\u00e3n ghi d\u1ee5ng c\u1ee5, c\u1eeda s\u1ed5 th\u1eddi gian v\u00e0 v\u1ecb tr\u00ed \u0111\u1ed3ng h\u1ed3 \u0111o<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Gi\u00e1 tr\u1ecb \u0111\u00f3 cho th\u1ea5y nguy\u00ean nh\u00e2n.<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">M\u1eb7t tr\u1eadn chuy\u1ec3n d\u1ecbch PF<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0110i\u1ec1u ki\u1ec7n ho\u1ea1t \u0111\u1ed9ng v\u00e0 tham chi\u1ebfu \u0111i\u1ec7n \u00e1p\/t\u1ea7n s\u1ed1<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0110i\u1ec1u \u0111\u00f3 m\u00f4 t\u1ea3 s\u1ef1 bi\u1ebfn d\u1ea1ng c\u1ee7a d\u1ea1ng s\u00f3ng.<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Xu\u1ea5t kh\u1ea9u d\u00f2ng \u0111i\u1ec7n h\u00e0i h\u00f2a<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0110\u01a1n v\u1ecb, \u0111\u01a1n \u0111\u1eb7t h\u00e0ng ho\u1eb7c t\u1ed5ng h\u1ee3p v\u00e0 c\u00e0i \u0111\u1eb7t ch\u1ee5p \u1ea3nh<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0110\u00f3 l\u00e0 vi\u1ec7c t\u00ednh to\u00e1n v\u1ec1 c\u00f4ng su\u1ea5t ph\u1ea3n l\u1ef1c.<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Chuy\u1ec3n \u0111\u1ed5i tr\u1ea1ng th\u00e1i<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">B\u1ed9 ph\u1eadn t\u1ee5 \u0111i\u1ec7n, b\u1ed9 l\u1ecdc, b\u1ed9 bypass v\u00e0 tr\u1ea1ng th\u00e1i truy\u1ec1n t\u1ea3i<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Vi\u1ec7c m\u1ed9t s\u1ef1 ki\u1ec7n chuy\u1ec3n \u0111\u1ed5i l\u00e0 m\u1ed9t ho\u1ea1t \u0111\u1ed9ng \u0111\u1ea1i di\u1ec7n.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-3-log-the-operating-state-beside-the-values\">Ph\u1ea7n 3. L\u1eadp log tr\u1ea1ng th\u00e1i ho\u1ea1t \u0111\u1ed9ng b\u00ean c\u1ea1nh c\u00e1c gi\u00e1 tr\u1ecb<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">M\u1ed9t xu h\u01b0\u1edbng kh\u00f4ng \u0111\u01b0\u1ee3c ghi nh\u00e3n s\u1ebd m\u1ea5t \u0111i ph\u1ea7n l\u1edbn gi\u00e1 tr\u1ecb khi tr\u1ea1ng th\u00e1i s\u1ea3n xu\u1ea5t thay \u0111\u1ed5i. \u0110\u0103ng nh\u1eadp d\u00f2ng tr\u1ea1ng th\u00e1i, c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec1u khi\u1ec3n ch\u00ednh, b\u1ed9 ch\u1ec9nh l\u01b0u, t\u1ea3i UPS, t\u1ed1c \u0111\u1ed9 qu\u00e1 tr\u00ecnh, kh\u1edfi \u0111\u1ed9ng, d\u1eebng, ng\u1eaft k\u1ebft n\u1ed1i v\u00e0 c\u00e1c thay \u0111\u1ed5i trong t\u1ee5 \u0111i\u1ec7n ho\u1eb7c c\u00e1c thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t kh\u00e1c. M\u1ed9t nh\u1eadt k\u00fd chuy\u1ec3n \u0111\u1ed5i ng\u1eafn g\u1ecdn, nh\u1ea5t qu\u00e1n s\u1ebd h\u1eefu \u00edch h\u01a1n so v\u1edbi m\u1ed9t kho \u1ea3nh ch\u1ee5p m\u00e0n h\u00ecnh l\u1edbn kh\u00f4ng k\u00e8m theo ch\u00fa th\u00edch v\u1ec1 th\u1eddi gian ho\u1eb7c t\u1ea3i tr\u1ecdng.<\/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\/04\/16.JKW-PV.webp\" alt=\"Giao di\u1ec7n terminal b\u1ed9 \u0111i\u1ec1u khi\u1ec3n CNBYG \u0111\u1ec3 ghi l\u1ea1i c\u00e1c k\u1ebft n\u1ed1i \u0111o l\u01b0\u1eddng\" \/><\/figure>\n<p style=\"margin:0 0 16px;line-height:1.7\">Khi so s\u00e1nh hai kho\u1ea3ng th\u1eddi gian, h\u00e3y gi\u1eef nguy\u00ean c\u1ea5u h\u00ecnh m\u00e9t v\u00e0 ranh gi\u1edbi n\u1ebfu c\u00f3 th\u1ec3. N\u1ebfu ranh gi\u1edbi thay \u0111\u1ed5i, h\u00e3y ghi nh\u00e3n c\u00e1c b\u1ea3n ghi d\u01b0\u1edbi d\u1ea1ng c\u00e1c k\u1ecbch b\u1ea3n ri\u00eang bi\u1ec7t. <a href=\"https:\/\/cnbygele.com\/vi\/blog\/thd-vs-tdd-measurement-plant-engineers\/\">M\u00f4i tr\u01b0\u1eddng \u0111o l\u01b0\u1eddng THD v\u00e0 TDD<\/a> B\u00e0i vi\u1ebft gi\u1ea3i th\u00edch l\u00fd do t\u1ea1i sao h\u1ec7 s\u1ed1 nh\u00e2n v\u00e0 tr\u1ea1ng th\u00e1i ho\u1ea1t \u0111\u1ed9ng ph\u1ea3i \u0111i k\u00e8m v\u1edbi b\u1ea3n ghi sai l\u1ec7ch d\u00f2ng \u0111i\u1ec7n.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-4-place-the-meter-at-the-decision-boundary\">Ph\u1ea7n 4. \u0110\u1eb7t \u0111\u1ed3ng h\u1ed3 \u0111o t\u1ea1i ranh gi\u1edbi quy\u1ebft \u0111\u1ecbnh<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">T\u00ecm v\u1ecb tr\u00ed c\u1ee7a thi\u1ebft b\u1ecb ghi nh\u1eadn t\u1ea1i \u0111i\u1ec3m \u0111i\u1ec7n t\u01b0\u01a1ng \u1ee9ng v\u1edbi quy\u1ebft \u0111\u1ecbnh. M\u1ed9t \u0111\u1ea7u v\u00e0o c\u1ee5c b\u1ed9 c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 ch\u1ea9n \u0111o\u00e1n t\u1ea1i \u0111\u1ecba ph\u01b0\u01a1ng, trong khi v\u1ecb tr\u00ed c\u1ee7a b\u1ed9 c\u1ea5p \u0111i\u1ec7n c\u00f3 th\u1ec3 hi\u1ec3n th\u1ecb k\u1ebft qu\u1ea3 t\u1ed5ng h\u1ee3p c\u1ee7a nhi\u1ec1u t\u1ea3i \u0111i\u1ec7n.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">M\u1ed9t ranh gi\u1edbi chung c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 cu\u1ed9c th\u1ea3o lu\u1eadn \u0111\u00e1nh gi\u00e1 r\u1ed9ng h\u01a1n. V\u00ec m\u1ed7i v\u1ecb tr\u00ed bao g\u1ed3m m\u1ed9t t\u1eadp h\u1ee3p m\u1ea1ch kh\u00e1c nhau, h\u00e3y v\u1ebd v\u00e0 \u0111\u1eb7t t\u00ean n\u00f3 thay v\u00ec gi\u1ea3 \u0111\u1ecbnh.<\/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 v\u1ecb tr\u00ed<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">T\u00e0i li\u1ec7u c\u1ea7n l\u01b0u gi\u1eef<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Xem l\u1ea1i s\u1eed d\u1ee5ng<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">M\u1ed9t nh\u00f3m \u0111i\u1ec1u khi\u1ec3n xe ch\u1ea1y \u0111\u00f3ng g\u00f3p g\u00ec?<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Danh t\u00ednh ngu\u1ed3n c\u1ea5p \u0111\u1ecba ph\u01b0\u01a1ng, v\u1ecb tr\u00ed CT, tr\u1ea1ng th\u00e1i ho\u1ea1t \u0111\u1ed9ng<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0110i\u1ec1u tra \u0111\u1ecba ph\u01b0\u01a1ng.<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Chuy\u1ec7n g\u00ec \u0111ang x\u1ea3y ra tr\u00ean ngu\u1ed3n c\u1ea5p qu\u00e1 tr\u00ecnh?<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">V\u1ecb tr\u00ed d\u00f2ng \u0111\u01a1n v\u00e0 t\u1ea3i \u0111\u1ed3ng th\u1eddi<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">So s\u00e1nh ngu\u1ed3n c\u1ea5p.<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">C\u00e2u h\u1ecfi v\u1ec1 ph\u00eda cung c\u1ea5p?<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Ranh gi\u1edbi chung \u0111\u00e3 x\u00e1c \u0111\u1ecbnh v\u00e0 tr\u00e1ch nhi\u1ec7m<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0110\u00e1nh gi\u00e1 c\u1ea5p d\u1ef1 \u00e1n.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"margin:0 0 16px;line-height:1.7\">The <a href=\"https:\/\/www.nema.org\/standards\/view\/motors-and-generators\" rel=\"nofollow noopener\" target=\"_blank\">T\u00e0i nguy\u00ean NEMA MG 1<\/a> cung c\u1ea5p b\u1ed1i c\u1ea3nh chung v\u1ec1 h\u1ec7 th\u1ed1ng \u0111\u1ed9ng c\u01a1. N\u00f3 kh\u00f4ng x\u00e1c \u0111\u1ecbnh ranh gi\u1edbi \u0111o l\u01b0\u1eddng c\u1ee7a m\u1ed9t \u0111\u1ecba \u0111i\u1ec3m ho\u1eb7c ch\u1ee9ng nh\u1eadn k\u1ebft qu\u1ea3 gi\u1ea3m thi\u1ec3u.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-5-link-the-records-to-an-appropriate-review-scope\">Ph\u1ea7n 5. Li\u00ean k\u1ebft c\u00e1c b\u1ea3n ghi v\u1edbi ph\u1ea1m vi \u0111\u00e1nh gi\u00e1 ph\u00f9 h\u1ee3p<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Xem t\u1eadp h\u1ee3p \u0111o l\u01b0\u1eddng nh\u01b0 b\u1eb1ng ch\u1ee9ng cho cu\u1ed9c th\u1ea3o lu\u1eadn ph\u1ea1m vi, kh\u00f4ng ph\u1ea3i l\u00e0 \u0111\u01a1n h\u00e0ng s\u1ea3n ph\u1ea9m tr\u1ef1c ti\u1ebfp. M\u1ed9t m\u1ee5c ti\u00eau c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng c\u00f3 th\u1ec3 y\u00eau c\u1ea7u m\u1ed9t b\u1ed9 c\u00e2u h\u1ecfi, trong khi m\u1ee5c ti\u00eau d\u00f2ng h\u00e0i h\u00f2a c\u00f3 th\u1ec3 y\u00eau c\u1ea7u b\u1ed9 kh\u00e1c. N\u1ebfu c\u1ea3 hai \u0111\u1ec1u c\u00f3, h\u00e3y gi\u1eef h\u1ed3 s\u01a1 ri\u00eang cho \u0111\u1ebfn khi nh\u00f3m d\u1ef1 \u00e1n x\u00e1c \u0111\u1ecbnh c\u00e1ch ch\u00fang s\u1ebd \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">The <a href=\"https:\/\/cnbygele.com\/vi\/product\/svg-static-var-generators\/\">B\u1ed1i c\u1ea3nh s\u1ea3n ph\u1ea9m M\u00e1y ph\u00e1t Var t\u0129nh<\/a> trang n\u00e0y l\u00e0 \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u CNBYG cho m\u1ed9t cu\u1ed9c \u0111\u00e1nh gi\u00e1 c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng \u0111\u00e3 \u0111\u1ecbnh ngh\u0129a. N\u00f3 kh\u00f4ng \u0111\u1ea3m b\u1ea3o gi\u00e1 tr\u1ecb PF, k\u1ebft qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng ho\u1eb7c k\u1ebft qu\u1ea3 hi\u1ec7u su\u1ea5t. M\u1ed9t cu\u1ed9c \u0111\u00e1nh gi\u00e1 d\u00f2ng h\u00e0i h\u00f2a c\u00f3 th\u1ec3 y\u00eau c\u1ea7u b\u1eb1ng ch\u1ee9ng kh\u00e1c v\u00e0 con \u0111\u01b0\u1eddng k\u1ef9 thu\u1eadt kh\u00e1c.<\/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\/04\/17.JKW58.webp\" alt=\"B\u1ed9 \u0111i\u1ec1u khi\u1ec3n c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng CNBYG th\u1ec3 hi\u1ec7n nh\u01b0 b\u1ed1i c\u1ea3nh cho ph\u1ea1m vi ki\u1ec3m tra \u0111\u00e3 \u0111\u1ecbnh ngh\u0129a\" \/><\/figure>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-6-send-a-two-objective-measurement-package\">Ph\u1ea7n 6. G\u1eedi g\u00f3i \u0111o l\u01b0\u1eddng g\u1ed3m hai m\u1ee5c ti\u00eau<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">G\u1eedi m\u1ed9t g\u00f3i nh\u1ecf g\u1ecdn gi\u1eef g\u00ecn s\u1ef1 ph\u00e2n bi\u1ec7t gi\u1eefa c\u00e1c h\u1ed3 s\u01a1. \u0110i\u1ec1u n\u00e0y gi\u00fap vi\u1ec7c xem x\u00e9t c\u1ee7a nh\u00e0 cung c\u1ea5p ho\u1eb7c k\u1ef9 thu\u1eadt hi\u1ec7u qu\u1ea3 h\u01a1n m\u00e0 kh\u00f4ng ng\u1ee5 \u00fd r\u1eb1ng m\u1ed9t b\u00e0i vi\u1ebft chung \u0111\u00e3 ch\u1ecdn thi\u1ebft b\u1ecb.<\/p>\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">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\">X\u00e1c \u0111\u1ecbnh ranh gi\u1edbi \u0111\u00e3 ch\u1ecdn 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\">Cho ph\u00e9p ng\u01b0\u1eddi \u0111\u00e1nh gi\u00e1 x\u00e1c \u0111\u1ecbnh t\u1eebng b\u1ea3n ghi.<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">T\u1ed5ng c\u1ed9ng v\u00e0 xu\u1ea5t PF d\u1ecbch chuy\u1ec3n khi c\u00f3 s\u1eb5n<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">B\u1ea3o l\u01b0u c\u00e1c tr\u01b0\u1eddng c\u1ee7a thi\u1ebft b\u1ecb thay v\u00ec di\u1ec5n gi\u1ea3i l\u1ea1i.<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Xu\u1ea5t d\u00f2ng h\u00e0i h\u00f2a v\u00e0 c\u00e0i \u0111\u1eb7t \u0111\u1ed3ng h\u1ed3 \u0111o<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Gi\u1eef ch\u1ee9ng c\u1ee9 d\u1ea1ng s\u00f3ng ri\u00eang bi\u1ec7t kh\u1ecfi c\u00e1c tr\u01b0\u1eddng PF.<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Nh\u1eadt k\u00fd tr\u1ea1ng th\u00e1i v\u1eadn h\u00e0nh v\u00e0 danh m\u1ee5c t\u1ea3i.<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">K\u1ebft n\u1ed1i d\u1eef li\u1ec7u \u0111i\u1ec7n v\u1edbi t\u00ecnh tr\u1ea1ng c\u1ee7a nh\u00e0 m\u00e1y.<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Thi\u1ebft b\u1ecb hi\u1ec7n c\u00f3, gi\u1edbi h\u1ea1n l\u1eafp \u0111\u1eb7t v\u00e0 y\u00eau c\u1ea7u ch\u1ea5p nh\u1eadn<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">X\u00e1c \u0111\u1ecbnh ph\u1ea1m vi t\u00edch h\u1ee3p v\u00e0 ranh gi\u1edbi d\u1ef1 \u00e1n.<\/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 v\u1ec1 ph\u00f9 h\u1ee3p d\u00f2ng s\u1ea3n ph\u1ea9m sau khi x\u00e1c \u0111\u1ecbnh m\u1ee5c ti\u00eau v\u00e0 g\u00f3i ch\u1ee9ng c\u1ee9. S\u1eed d\u1ee5ng <a href=\"https:\/\/cnbygele.com\/vi\/contact-us\/\">c\u00e1c b\u1ea3n ghi \u0111o l\u01b0\u1eddng ri\u00eang bi\u1ec7t<\/a> \u0111\u1ec3 b\u1eaft \u0111\u1ea7u cu\u1ed9c tr\u00f2 chuy\u1ec7n \u0111\u00f3; h\u01b0\u1edbng d\u1eabn n\u00e0y kh\u00f4ng th\u1ec3 thay th\u1ebf nghi\u00ean c\u1ee9u m\u1ea1ng ho\u1eb7c quy tr\u00ecnh ch\u1ea5p nh\u1eadn d\u1ef1 \u00e1n.<\/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\">D\u00f2ng c\u00f4ng su\u1ea5t d\u1ecbch chuy\u1ec3n l\u00e0 g\u00ec?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u0110\u00f3 l\u00e0 tr\u01b0\u1eddng c\u00f4ng su\u1ea5t ph\u1ea3n \u1ee9ng \u0111\u01b0\u1ee3c b\u00e1o c\u00e1o, n\u00ean \u0111\u1ecdc c\u00f9ng v\u1edbi c\u1ea5u h\u00ecnh thi\u1ebft b\u1ecb, v\u1ecb tr\u00ed \u0111i\u1ec7n v\u00e0 tr\u1ea1ng th\u00e1i ho\u1ea1t \u0111\u1ed9ng. Gi\u1eef nh\u00e3n \u0111\u1ed3ng h\u1ed3 \u0111o g\u1ed1c trong b\u1ea3n ghi.<\/p>\n<h3 style=\"margin:28px 0 12px\">D\u00f2ng c\u00f4ng su\u1ea5t bi\u1ebfn d\u1ea1ng l\u00e0 g\u00ec?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">L\u00e0 m\u1ed9t xem x\u00e9t ri\u00eang li\u00ean quan \u0111\u1ebfn d\u1ea1ng s\u00f3ng. Gi\u1eef ch\u1ee9ng c\u1ee9 d\u00f2ng h\u00e0i h\u00f2a v\u00e0 c\u00e0i \u0111\u1eb7t ghi l\u1ea1i c\u1ee7a n\u00f3 b\u00ean c\u1ea1nh b\u1ea3n ghi PF thay v\u00ec coi m\u1ecdi s\u1ed1 l\u00e0 c\u00f9ng m\u1ed9t ch\u1ec9 s\u1ed1.<\/p>\n<h3 style=\"margin:28px 0 12px\">T\u1ea1i sao ch\u00fang c\u1ea7n \u0111\u01b0\u1ee3c ghi l\u1ea1i ri\u00eang bi\u1ec7t?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">C\u00e1c b\u1ea3n ghi ri\u00eang bi\u1ec7t l\u00e0m r\u00f5 c\u00e2u h\u1ecfi \u0111i\u1ec7n n\u00e0o m\u1ed7i b\u1ea3n ghi \u0111\u1ec1 c\u1eadp \u0111\u1ebfn. \u0110i\u1ec1u n\u00e0y ng\u0103n ch\u1eb7n vi\u1ec7c quan s\u00e1t c\u00f4ng su\u1ea5t ph\u1ea3n \u1ee9ng \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y nh\u01b0 k\u1ebft lu\u1eadn d\u00f2ng h\u00e0i h\u00f2a, ho\u1eb7c ng\u01b0\u1ee3c l\u1ea1i.<\/p>\n<h3 style=\"margin:28px 0 12px\">Hi\u1ec3n th\u1ecb PF th\u1ea5p c\u00f3 x\u00e1c \u0111\u1ecbnh m\u1ed9t gi\u1ea3i ph\u00e1p kh\u00f4ng?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Kh\u00f4ng. D\u1ef1 \u00e1n v\u1eabn c\u1ea7n c\u00f3 gi\u1edbi h\u1ea1n x\u00e1c \u0111\u1ecbnh, b\u1ea3n ghi ho\u1ea1t \u0111\u1ed9ng, m\u1ee5c ti\u00eau \u0111\u00e3 n\u00eau, ph\u1ea1m vi l\u1eafp \u0111\u1eb7t v\u00e0 ph\u01b0\u01a1ng ph\u00e1p ch\u1ea5p nh\u1eadn tr\u01b0\u1edbc khi th\u1ea3o lu\u1eadn v\u1ec1 s\u1ea3n ph\u1ea9m.<\/p>\n<h3 style=\"margin:28px 0 12px\">B\u1ea3n ghi n\u00ean \u0111\u01b0\u1ee3c l\u1ea5y \u1edf \u0111\u00e2u?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">L\u1ea5y \u0111i\u1ec3m \u0111i\u1ec7n t\u1ea1i \u0111i\u1ec3m \u0111i\u1ec7n ph\u00f9 h\u1ee3p v\u1edbi quy\u1ebft \u0111\u1ecbnh, sau \u0111\u00f3 \u0111\u00e1nh d\u1ea5u \u0111\u1ed3ng h\u1ed3, CT, v\u00e0 tham chi\u1ebfu \u0111i\u1ec7n \u00e1p tr\u00ean s\u01a1 \u0111\u1ed3 m\u1ed9t d\u00f2ng.<\/p>\n<h3 style=\"margin:28px 0 12px\">\u0110i\u1ec1u g\u00ec thu\u1ed9c v\u1ec1 y\u00eau c\u1ea7u ki\u1ec3m tra PF v\u00e0 h\u00e0i h\u00f2a?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Cung c\u1ea5p s\u01a1 \u0111\u1ed3 m\u1ed9t d\u00f2ng, d\u1eef li\u1ec7u danh ngh\u0129a, thi\u1ebft l\u1eadp \u0111o l\u01b0\u1eddng, tr\u01b0\u1eddng PF, xu\u1ea5t h\u00e0i h\u00f2a, nh\u1eadt k\u00fd v\u1eadn h\u00e0nh, danh m\u1ee5c t\u1ea3i, thi\u1ebft b\u1ecb hi\u1ec7n c\u00f3, v\u00e0 h\u1ea1n ch\u1ebf l\u1eafp \u0111\u1eb7t.<\/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\">Trang IEEE 519 \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 ki\u1ec3m so\u00e1t h\u00e0i h\u00f2a trong b\u1ed1i c\u1ea3nh<\/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\">T\u00e0i li\u1ec7u NEMA MG 1 v\u1ec1 tham kh\u1ea3o h\u1ec7 th\u1ed1ng \u0111\u1ed9ng c\u01a1<\/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\">Th\u00f4ng tin t\u1eeb V\u0103n ph\u00f2ng C\u00f4ng ngh\u1ec7 C\u00f4ng nghi\u1ec7p c\u1ee7a B\u1ed9 N\u0103ng l\u01b0\u1ee3ng<\/a><\/li>\n<\/ul>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Power-factor logging is more useful when the report separates the phase-displacement question from waveform-distortion evidence. A single dashboard value can be a useful signal, but it does not identify the electrical boundary, the operating condition, or whether a reactive-power or harmonic-current question is being reviewed. For broader planning context, begin with the reactive power compensation [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":1626,"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-2361","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\/2361","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=2361"}],"version-history":[{"count":1,"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/posts\/2361\/revisions"}],"predecessor-version":[{"id":2535,"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/posts\/2361\/revisions\/2535"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/media\/1626"}],"wp:attachment":[{"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/media?parent=2361"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/categories?post=2361"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/tags?post=2361"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}