{"id":2225,"date":"2026-07-22T15:00:00","date_gmt":"2026-07-22T07:00:00","guid":{"rendered":"https:\/\/cnbygele.com\/?p=2225"},"modified":"2026-08-24T17:25:26","modified_gmt":"2026-08-24T09:25:26","slug":"generator-paralleling-nonlinear-load-harmonics","status":"publish","type":"post","link":"https:\/\/cnbygele.com\/vi\/blog\/generator-paralleling-nonlinear-load-harmonics\/","title":{"rendered":"Generator Set Paralleling with Nonlinear Load Harmonics"},"content":{"rendered":"<div class=\"b2b-article\">\n<p style=\"margin:0 0 16px;line-height:1.7\"><strong>Harmonic current sharing and measurement boundaries when generator sets parallel should begin with a documented electrical boundary, representative operating record, and a defined decision.<\/strong> M\u1ed9t ch\u1ec9 s\u1ed1 \u0111\u1ed3ng h\u1ed3 \u0111o, m\u1ed9t b\u1ea3ng t\u00ean linh ki\u1ec7n, ho\u1eb7c m\u1ed9t thao t\u00e1c \u0111\u00f3ng c\u1eaft \u0111\u01a1n l\u1ebb t\u1ef1 b\u1ea3n th\u00e2n n\u00f3 ch\u01b0a th\u1ec3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c nguy\u00ean nh\u00e2n, thi\u1ebft b\u1ecb c\u1ea7n thi\u1ebft, ho\u1eb7c ti\u00eau ch\u00ed nghi\u1ec7m thu.<\/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-start-with-the-decision-question\">Ph\u1ea7n 1. B\u1eaft \u0111\u1ea7u v\u1edbi c\u00e2u h\u1ecfi quy\u1ebft \u0111\u1ecbnh<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-2-set-the-electrical-and-operating-boundary\">Ph\u1ea7n 2. Thi\u1ebft l\u1eadp gi\u1edbi h\u1ea1n \u0111i\u1ec7n v\u00e0 v\u1eadn h\u00e0nh<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-3-build-a-defensible-measurement-record\">Ph\u1ea7n 3. X\u00e2y d\u1ef1ng m\u1ed9t h\u1ed3 s\u01a1 \u0111o l\u01b0\u1eddng c\u00f3 th\u1ec3 b\u1ea3o v\u1ec7 \u0111\u01b0\u1ee3c<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-4-compare-scenarios-before-interpreting-results\">Ph\u1ea7n 4. So s\u00e1nh c\u00e1c k\u1ecbch b\u1ea3n tr\u01b0\u1edbc khi di\u1ec5n gi\u1ea3i k\u1ebft qu\u1ea3<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-5-evaluate-integration-paths-and-rfq-inputs\">Ph\u1ea7n 5. \u0110\u00e1nh gi\u00e1 c\u00e1c l\u1ed9 tr\u00ecnh t\u00edch h\u1ee3p v\u00e0 \u0111\u1ea7u v\u00e0o RFQ<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-6-apply-the-fit-boundary\">Ph\u1ea7n 6. \u00c1p d\u1ee5ng \u0111\u01b0\u1eddng bi\u00ean kh\u1edbp<\/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\">Harmonic current sharing and measurement boundaries when generator sets parallel should begin with a documented electrical boundary, representative operating record, and a defined decision. A meter reading, a component nameplate, or a single switching event does not by itself establish the cause, the required equipment, or the acceptance criteria.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">CNBYG can discuss AHF Active Harmonic Filter product-line context when the recorded evidence supports a defined objective. It cannot establish This addresses generator sharing risks, not shipboard power quality, generator certification, protection coordination approval, or a guaranteed voltage result. from an article. For broader navigation, see <a href=\"https:\/\/cnbygele.com\/vi\/power-quality-system-guides\/\">H\u01b0\u1edbng d\u1eabn 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=\"part-1-start-with-the-decision-question\">Ph\u1ea7n 1. B\u1eaft \u0111\u1ea7u v\u1edbi c\u00e2u h\u1ecfi quy\u1ebft \u0111\u1ecbnh<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">When a second generator closes onto a bus, the source impedance and sharing controls change at the same time. Nonlinear current may therefore produce a different voltage spectrum even where connected equipment and total kW appear unchanged. The practical question is not whether one waveform is \u201cgood\u201d or \u201cbad.\u201d It is whether the evidence describes the same electrical point and operating condition that the project team will use for a decision.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">B\u1eaft \u0111\u1ea7u b\u1eb1ng c\u00e1ch ghi l\u1ea1i tri\u1ec7u ch\u1ee9ng, quy\u1ebft \u0111\u1ecbnh d\u1ef1 \u0111\u1ecbnh v\u00e0 ranh gi\u1edbi ch\u1ea5p nh\u1eadn. Vi\u1ec7c thu th\u1eadp d\u1eef li\u1ec7u ngu\u1ed3n c\u1ea5p c\u00f3 th\u1ec3 l\u00e0 c\u00e1ch \u0111\u00fang \u0111\u1eafn \u0111\u1ec3 m\u00f4 t\u1ea3 \u0111\u1eb7c t\u00ednh c\u1ee7a m\u1ed9t ngu\u1ed3n \u0111i\u1ec7n. Vi\u1ec7c thu th\u1eadp d\u1eef li\u1ec7u \u1edf thanh c\u00e1i chung, th\u1ee9 c\u1ea5p m\u00e1y bi\u1ebfn \u00e1p ho\u1eb7c PCC s\u1ebd tr\u1ea3 l\u1eddi cho m\u1ed9t c\u00e2u h\u1ecfi kh\u00e1c. Vi\u1ec7c k\u1ebft h\u1ee3p c\u1ea3 hai m\u00e0 kh\u00f4ng c\u00f3 nh\u00e3n d\u00e1n c\u00f3 th\u1ec3 bi\u1ebfn m\u1ed9t cu\u1ed9c \u0111i\u1ec1u tra h\u1eefu \u00edch th\u00e0nh m\u1ed9t y\u00eau c\u1ea7u thi\u1ebft b\u1ecb g\u00e2y hi\u1ec3u l\u1ea7m.<\/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\/07\/three-phase-series-filter-reactor-application-guide-cover.webp\" alt=\"generator paralleling under nonlinear load measurement context on an industrial power system\" \/><\/figure>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-2-set-the-electrical-and-operating-boundary\">Ph\u1ea7n 2. Thi\u1ebft l\u1eadp gi\u1edbi h\u1ea1n \u0111i\u1ec7n v\u00e0 v\u1eadn h\u00e0nh<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">For paralleled standby or prime generators feeding rectifiers, drives, and other nonlinear loads, the measurement plan should name the meter position, voltage reference, CT ratio and polarity, aggregation interval, and the upstream topology in effect. Collect a current spectrum and voltage trend where the load is observed, then add a bus-level location if the decision concerns a shared system boundary.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">The operations log is equally important. Capture one-set operation, two-set synchronization, step loading, kW and kvar sharing, load shedding, and generator removal. Mark events with a common clock so the electrical record can be compared with the process record. A high reading during a brief transition is not automatically representative of normal operation, and a calm period can omit the condition that created the original concern.<\/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\u1ecb tr\u00ed \u0111o<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">B\u1eb1ng ch\u1ee9ng \u0111\u00e3 thu th\u1eadp<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">C\u00e2u h\u1ecfi \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">B\u1ed9 c\u1ea5p li\u1ec7u \u0111\u01a1n<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">D\u1ea1ng s\u00f3ng d\u00f2ng \u0111i\u1ec7n, xu h\u01b0\u1edbng RMS, tr\u1ea1ng th\u00e1i t\u1ea3i, chi ti\u1ebft CT<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Nh\u00f3m \u0111\u1ecba ph\u01b0\u01a1ng n\u00e0o \u0111\u00f3ng g\u00f3p d\u01b0\u1edbi m\u1ed9t bang \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn?<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Thanh g\u00f3p chung ho\u1eb7c PCC<\/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, th\u00f4ng tin ngu\u1ed3n<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0110i\u1ec1u g\u00ec xu\u1ea5t hi\u1ec7n t\u1ea1i ranh gi\u1edbi h\u1ec7 th\u1ed1ng \u0111\u00e3 x\u00e1c \u0111\u1ecbnh?<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">K\u1ebft n\u1ed1i b\u00f9 \u0111\u1eafp hi\u1ec7n c\u00f3<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Chuy\u1ec3n \u0111\u1ed5i tr\u1ea1ng th\u00e1i, ph\u1ed5, b\u1ea3o v\u1ec7 v\u00e0 \u0111i\u1ec1u khi\u1ec3n<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u00ecnh tr\u1ea1ng quan s\u00e1t \u0111\u01b0\u1ee3c kh\u00f4ng?<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">B\u1ea3n ghi qu\u00e1 tr\u00ecnh ho\u1eb7c b\u1ed9 \u0111i\u1ec1u khi\u1ec3n<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">S\u1ef1 ki\u1ec7n v\u1eadn h\u00e0nh \u0111\u01b0\u1ee3c g\u1eafn d\u1ea5u th\u1eddi gian<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">S\u1ef1 thay \u0111\u1ed5i v\u1ec1 \u0111i\u1ec7n c\u00f3 t\u01b0\u01a1ng th\u00edch v\u1edbi m\u1ed9t qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i v\u1eadn h\u00e0nh th\u1ef1c t\u1ebf kh\u00f4ng?<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-3-build-a-defensible-measurement-record\">Ph\u1ea7n 3. X\u00e2y d\u1ef1ng m\u1ed9t h\u1ed3 s\u01a1 \u0111o l\u01b0\u1eddng c\u00f3 th\u1ec3 b\u1ea3o v\u1ec7 \u0111\u01b0\u1ee3c<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">B\u1ea3n ghi c\u1ea7n c\u00f3 \u0111\u1ee7 th\u1eddi l\u01b0\u1ee3ng \u0111\u1ec3 bao g\u1ed3m c\u00e1c m\u1eabu s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 l\u1eb7p l\u1ea1i v\u00e0 \u0111\u1ee7 \u0111\u1ed9 ph\u00e2n gi\u1ea3i s\u1ef1 ki\u1ec7n \u0111\u1ec3 gi\u1eef l\u1ea1i h\u00e0nh vi quan tr\u1ecdng. Gi\u1eef nguy\u00ean c\u00e1c t\u1ec7p xu\u1ea5t \u0111\u1ed3ng h\u1ed3 \u0111o ban \u0111\u1ea7u c\u0169ng nh\u01b0 c\u00e1c bi\u1ec3u \u0111\u1ed3 t\u00f3m t\u1eaft. L\u01b0u \u00fd thi\u1ebft l\u1eadp d\u1ee5ng c\u1ee5, h\u01b0\u1edbng CT, d\u00e2y d\u1eabn \u0111i\u1ec7n \u00e1p, ngu\u1ed3n \u0111\u1ed3ng h\u1ed3 v\u00e0 b\u1ea5t k\u1ef3 thay \u0111\u1ed5i c\u1ea5u h\u00ecnh n\u00e0o trong \u0111\u1ee3t \u0111o.<\/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 IEEE 519<\/a> cung c\u1ea5p b\u1ed1i c\u1ea3nh ki\u1ec3m so\u00e1t s\u00f3ng h\u00e0i h\u1eefu \u00edch nh\u01b0ng kh\u00f4ng ch\u1ecdn m\u1ed9t thi\u1ebft b\u1ecb t\u1eeb m\u1ed9t s\u1ed1 duy nh\u1ea5t. Khi hi\u1ec7n t\u01b0\u1ee3ng nh\u1ea5p nh\u00e1y \u0111ang \u0111\u01b0\u1ee3c xem x\u00e9t, <a href=\"https:\/\/webstore.iec.ch\/en\/publication\/4185\" rel=\"nofollow noopener\" target=\"_blank\">T\u1ed5ng quan v\u1ec1 ti\u00eau chu\u1ea9n IEC 61000-4-15<\/a> cung c\u1ea5p ng\u1eef c\u1ea3nh ph\u01b0\u01a1ng ph\u00e1p; n\u00f3 kh\u00f4ng lo\u1ea1i b\u1ecf s\u1ef1 c\u1ea7n thi\u1ebft ph\u1ea3i x\u00e1c \u0111\u1ecbnh \u0111i\u1ec3m \u0111\u00e1nh gi\u00e1 v\u00e0 c\u00e1c y\u00eau c\u1ea7u c\u1ee7a d\u1ef1 \u00e1n.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u0110\u1eebng bi\u1ebfn m\u1ecdi tri\u1ec7u ch\u1ee9ng \u0111i\u1ec7n th\u00e0nh m\u1ed9t k\u1ebft lu\u1eadn v\u1ec1 s\u00f3ng h\u00e0i. C\u00e1c s\u1ef1 ki\u1ec7n \u0111i\u1ec7n \u00e1p, s\u1ef1 d\u1ecbch chuy\u1ec3n c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng, s\u1ef1 m\u1ea5t c\u00e2n b\u1eb1ng, hi\u1ec7n t\u01b0\u1ee3ng qu\u00e1 \u0111\u1ed9 do \u0111\u00f3ng c\u1eaft, h\u00e0nh vi b\u1ea3o v\u1ec7 v\u00e0 c\u00e1c thay \u0111\u1ed5i t\u1eeb ph\u00eda qu\u00e1 tr\u00ecnh c\u00f3 th\u1ec3 c\u00f9ng t\u1ed3n t\u1ea1i. H\u00e3y t\u00e1ch c\u00e1c d\u00f2ng b\u1eb1ng ch\u1ee9ng c\u1ee7a ch\u00fang tr\u01b0\u1edbc khi \u0111\u1eb7t c\u00e2u h\u1ecfi li\u1ec7u ch\u00fang c\u00f3 chung m\u1ed9t nguy\u00ean nh\u00e2n hay kh\u00f4ng.<\/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\/07\/three-phase-series-filter-reactor-application-guide-body.webp\" alt=\"generator paralleling under nonlinear load technical measurement and operating-state review\" \/><\/figure>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-4-compare-scenarios-before-interpreting-results\">Ph\u1ea7n 4. So s\u00e1nh c\u00e1c k\u1ecbch b\u1ea3n tr\u01b0\u1edbc khi di\u1ec5n gi\u1ea3i k\u1ebft qu\u1ea3<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">S\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p so s\u00e1nh k\u1ecbch b\u1ea3n \u0111\u1ec3 tr\u00e1nh vi\u1ec7c l\u1ea5y gi\u00e1 tr\u1ecb trung b\u00ecnh l\u00e0m lu m\u1edd \u0111i\u1ec1u ki\u1ec7n quan tr\u1ecdng. M\u1ed7i h\u00e0ng d\u01b0\u1edbi \u0111\u00e2y c\u1ea7n \u0111\u01b0\u1ee3c \u0111i\u1ec1n d\u1eef li\u1ec7u t\u1eeb b\u1ea3n ghi v\u1eadn h\u00e0nh v\u00e0 \u0111\u1ed3ng h\u1ed3 \u0111o \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1ed3ng b\u1ed9 h\u00f3a theo th\u1eddi gian; \u0111\u00e2y l\u00e0 m\u1ed9t khung l\u1eadp k\u1ebf ho\u1ea1ch ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 ng\u01b0\u1ee1ng hi\u1ec7u su\u1ea5t \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp s\u1eb5n.<\/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\">K\u1ecbch b\u1ea3n<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">B\u1ea3n ghi tr\u01b0\u1edbc khi so s\u00e1nh<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Ranh gi\u1edbi di\u1ec5n gi\u1ea3i<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Ho\u1ea1t \u0111\u1ed9ng c\u01a1 b\u1ea3n \/ t\u1ed1i thi\u1ec3u<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">S\u1eafp x\u1ebfp ngu\u1ed3n, m\u1ee9c t\u1ea3i, ph\u1ed5, \u0111i\u1ec7n \u00e1p, kvar<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Ch\u1ec9 thi\u1ebft l\u1eadp tham chi\u1ebfu cho c\u1ea5u tr\u00fac li\u00ean k\u1ebft \u0111\u01b0\u1ee3c t\u00e0i li\u1ec7u h\u00f3a<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">S\u1ea3n xu\u1ea5t ti\u00eau bi\u1ec3u<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Process state, coincident loads, current spectrum, voltage spectrum, kW\/kvar sharing, frequency, voltage, and breaker-event timing<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Hi\u1ec3n th\u1ecb \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh l\u1eb7p l\u1ea1i<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0110\u1ec9nh cao hay chuy\u1ec3n giao<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">D\u1ea5u th\u1eddi gian s\u1ef1 ki\u1ec7n, tr\u00ecnh t\u1ef1 t\u1ea3i, tr\u1ea1ng th\u00e1i ngu\u1ed3n<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Ki\u1ec3m tra xem m\u1ed9t m\u1ed1i quan t\u00e2m c\u00f3 \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi m\u1ed9t chuy\u1ec3n \u0111\u1ed5i c\u1ee5 th\u1ec3 hay kh\u00f4ng<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Chuy\u1ec3n m\u1ea1ch ho\u1eb7c \u0111\u1ea5u t\u1eaft thi\u1ebft b\u1ecb<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Tr\u1ea1ng th\u00e1i c\u00f4ng t\u1eafc, tr\u1ea1ng th\u00e1i b\u00e1o \u0111\u1ed9ng, d\u1eef li\u1ec7u ghi tr\u01b0\u1edbc\/sau s\u1ef1 ki\u1ec7n<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">X\u00e1c \u0111\u1ecbnh m\u1ed1i t\u01b0\u01a1ng quan, kh\u00f4ng ph\u1ea3i nh\u00e2n qu\u1ea3, cho \u0111\u1ebfn khi \u0111\u01b0\u1ee3c xem x\u00e9t<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"margin:0 0 16px;line-height:1.7\">So s\u00e1nh c\u00e1c y\u1ebfu t\u1ed1 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi nhau. N\u1ebfu ngu\u1ed3n c\u1ea5p ng\u01b0\u1ee3c, \u0111i\u1ec3m \u0111o, t\u1ea3i ho\u1eb7c tr\u1ea1ng th\u00e1i v\u1eadn h\u00e0nh thay \u0111\u1ed5i, h\u00e3y n\u00eau s\u1ef1 thay \u0111\u1ed5i \u0111\u00f3 b\u00ean c\u1ea1nh k\u1ebft qu\u1ea3. Quy t\u1eafc n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng khi \u0111i\u1ec1u ki\u1ec7n \u0111o \u0111\u1ea1c c\u00f3 t\u00ednh ch\u1ea5t gi\u00e1n \u0111o\u1ea1n: m\u1ed9t bi\u1ec3u \u0111\u1ed3 tr\u01b0\u1edbc-v\u00e0-sau h\u1ea5p d\u1eabn c\u00f3 th\u1ec3 tr\u1edf n\u00ean v\u00f4 ngh\u0129a n\u1ebfu tr\u00ecnh t\u1ef1 s\u1ea3n xu\u1ea5t kh\u00e1c nhau.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-5-evaluate-integration-paths-and-rfq-inputs\">Ph\u1ea7n 5. \u0110\u00e1nh gi\u00e1 c\u00e1c l\u1ed9 tr\u00ecnh t\u00edch h\u1ee3p v\u00e0 \u0111\u1ea7u v\u00e0o RFQ<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Thi\u1ebft b\u1ecb gi\u1ea3m thi\u1ec3u tu\u00e2n theo m\u1ee5c ti\u00eau \u0111\u00e3 x\u00e1c \u0111\u1ecbnh v\u00e0 thi\u1ebft k\u1ebf l\u1eafp \u0111\u1eb7t. <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> l\u00e0 \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u c\u1ee7a d\u00f2ng s\u1ea3n ph\u1ea9m, kh\u00f4ng ph\u1ea3i l\u00e0 s\u1ef1 thay th\u1ebf cho b\u1eb1ng ch\u1ee9ng h\u1ec7 th\u1ed1ng. Nh\u00f3m d\u1ef1 \u00e1n c\u00f3 th\u1ec3 c\u00e2n nh\u1eafc s\u1eed d\u1ee5ng khi c\u00e1c y\u1ebfu t\u1ed1 sau \u0111\u00e3 r\u00f5 r\u00e0ng: m\u1ee5c ti\u00eau \u0111o l\u01b0\u1eddng, v\u1ecb tr\u00ed k\u1ebft n\u1ed1i, tham s\u1ed1 m\u00e1y bi\u1ebfn d\u00f2ng (CT), c\u1ea5u h\u00ecnh d\u00f2ng \u0111i\u1ec7n ho\u1eb7c c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng t\u00f9y theo tr\u01b0\u1eddng h\u1ee3p, c\u01a1 s\u1edf c\u00f4ng su\u1ea5t, \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9, b\u1ea3o v\u1ec7 v\u00e0 \u0111i\u1ec1u khi\u1ec3n.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">Tr\u01b0\u1edbc m\u1ed9t RFQ, h\u00e3y ghi l\u1ea1i s\u01a1 \u0111\u1ed3 \u0111\u01a1n tuy\u1ebfn, \u0111i\u1ec7n \u00e1p danh \u0111\u1ecbnh v\u00e0 t\u1ea7n s\u1ed1, th\u00f4ng tin ngu\u1ed3n v\u00e0 m\u00e1y bi\u1ebfn \u00e1p, h\u1ed3 s\u01a1 c\u00f4ng t\u01a1, nh\u1eadt k\u00fd s\u1ea3n xu\u1ea5t ho\u1eb7c v\u1eadn h\u00e0nh, c\u00e1c \u1ed5 \u0111\u0129a v\u00e0 b\u1ed9 ch\u1ec9nh l\u01b0u \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i, t\u1ee5 \u0111i\u1ec7n\/cu\u1ed9n kh\u00e1ng\/b\u1ed9 l\u1ecdc hi\u1ec7n c\u00f3, v\u1ecb tr\u00ed \u0111\u1ec1 xu\u1ea5t, b\u1ed1 tr\u00ed m\u1ea1ch nh\u00e1nh, kh\u00f4ng gian c\u00f3 s\u1eb5n, h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t, truy\u1ec1n th\u00f4ng, c\u1ea3nh b\u00e1o v\u00e0 gi\u1edbi h\u1ea1n d\u1eebng ho\u1ea1t \u0111\u1ed9ng. B\u00e0i vi\u1ebft li\u00ean quan v\u1ec1 <a href=\"https:\/\/cnbygele.com\/vi\/blog\/marine-shipbuilding-power-quality-welding-shore-power\/\">marine and shipbuilding power-quality planning<\/a> cung c\u1ea5p ng\u1eef c\u1ea3nh li\u1ec1n k\u1ec1; <a href=\"https:\/\/cnbygele.com\/vi\/blog\/vfd-harmonics-industrial-plants-apf-selection\/\">S\u00f3ng h\u00e0i VFD v\u00e0 l\u1ef1a ch\u1ecdn APF<\/a> gi\u1ea3i quy\u1ebft m\u1ed9t bi\u00ean quy\u1ebft \u0111\u1ecbnh li\u00ean quan.<\/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\/07\/three-phase-series-filter-reactor-application-guide-product.webp\" alt=\"CNBYG AHF Active Harmonic Filter product recommendation context for generator paralleling under nonlinear load\" \/><\/figure>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-6-apply-the-fit-boundary\">Ph\u1ea7n 6. \u00c1p d\u1ee5ng \u0111\u01b0\u1eddng bi\u00ean kh\u1edbp<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">This addresses generator sharing risks, not shipboard power quality, generator certification, protection coordination approval, or a guaranteed voltage result. It also does not replace utility coordination, a protection study, equipment certification review, or project commissioning. Those responsibilities remain with the parties accountable for the installation and its acceptance criteria.<\/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 d\u1ef1 \u00e1n c\u00f3 s\u1eb5n v\u00e0 th\u1ea3o lu\u1eadn xem d\u00f2ng s\u1ea3n ph\u1ea9m c\u1ee7a m\u00ecnh c\u00f3 ph\u00f9 h\u1ee3p v\u1edbi ph\u1ea1m vi \u0111\u00e3 n\u00eau hay kh\u00f4ng. N\u1ebfu b\u1ea3n ghi \u0111o l\u01b0\u1eddng kh\u00f4ng \u0111\u1ea7y \u0111\u1ee7, h\u00e3y b\u1ea3o l\u01b0u m\u1ee9c \u0111\u1ed9 b\u1ea5t \u0111\u1ecbnh thay v\u00ec l\u1ea5p \u0111\u1ea7y n\u00f3 b\u1eb1ng m\u1ed9t khuy\u1ebfn ngh\u1ecb thi\u1ebft b\u1ecb chung chung. S\u1eed d\u1ee5ng <a href=\"https:\/\/cnbygele.com\/vi\/power-quality-system-guides\/\">H\u01b0\u1edbng d\u1eabn H\u1ec7 th\u1ed1ng Ch\u1ea5t l\u01b0\u1ee3ng \u0110i\u1ec7n<\/a> \u0111\u1ec3 \u0111i\u1ec1u h\u01b0\u1edbng r\u1ed9ng h\u01a1n, ho\u1eb7c <a href=\"https:\/\/cnbygele.com\/vi\/contact-us\/\">li\u00ean h\u1ec7 CNBYG<\/a> v\u1edbi th\u00f4ng tin h\u1ec7 th\u1ed1ng \u0111\u00e3 \u0111\u01b0\u1ee3c t\u00e0i li\u1ec7u h\u00f3a.<\/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\">Why can harmonic voltage change after another generator parallels?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Adding a source changes the effective source impedance and the behavior of the sharing system. The same harmonic current can therefore create a different voltage result at the bus.<\/p>\n<h3 style=\"margin:28px 0 12px\">What should be recorded during generator load sharing?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Record generator breaker state, kW, kvar, voltage, frequency, current spectra, load steps, and the controller mode. Time alignment is essential when comparing operating states.<\/p>\n<h3 style=\"margin:28px 0 12px\">Can an active harmonic filter be selected from generator nameplate kVA?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">No. A review needs measured nonlinear current, generator and transformer data, available fault and protection constraints, operating scenarios, and a defined connection point.<\/p>\n<h3 style=\"margin:28px 0 12px\">D\u1eef li\u1ec7u n\u00e0o n\u00ean \u0111\u01b0\u1ee3c bao g\u1ed3m trong m\u1ed9t RFQ (Y\u00eau c\u1ea7u B\u00e1o gi\u00e1)?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Cung c\u1ea5p s\u01a1 \u0111\u1ed3 m\u1ed9t s\u1ee3i, d\u1eef li\u1ec7u h\u1ec7 th\u1ed1ng danh \u0111\u1ecbnh, th\u00f4ng tin ngu\u1ed3n ho\u1eb7c m\u00e1y bi\u1ebfn \u00e1p, d\u1eef li\u1ec7u xu\u1ea5t t\u1eeb \u0111\u1ed3ng h\u1ed3 \u0111\u1ea1i di\u1ec7n, nh\u1eadt k\u00fd v\u1eadn h\u00e0nh, danh inventory thi\u1ebft b\u1ecb hi\u1ec7n c\u00f3, \u0111i\u1ec3m \u0111\u1ea5u n\u1ed1i \u0111\u1ec1 xu\u1ea5t, c\u00e1c r\u00e0ng bu\u1ed9c b\u1ea3o v\u1ec7 v\u00e0 \u0111i\u1ec1u ki\u1ec7n l\u1eafp \u0111\u1eb7t.<\/p>\n<h3 style=\"margin:28px 0 12px\">B\u00e0i vi\u1ebft n\u00e0y c\u00f3 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 tu\u00e2n th\u1ee7 ho\u1eb7c k\u1ebft qu\u1ea3 ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Kh\u00f4ng. Ti\u00eau ch\u00ed nghi\u1ec7m thu, \u0111i\u1ec1u ki\u1ec7n m\u1ea1ng, t\u00edch h\u1ee3p thi\u1ebft b\u1ecb v\u00e0 ch\u1ea1y th\u1eed thu\u1ed9c v\u1ec1 d\u1ef1 \u00e1n c\u1ee5 th\u1ec3 v\u00e0 ph\u1ea3i \u0111\u01b0\u1ee3c xem x\u00e9t b\u1edfi k\u1ef9 s\u01b0 ph\u1ee5 tr\u00e1ch.<\/p>\n<h3 style=\"margin:28px 0 12px\">Ai n\u00ean xem x\u00e9t c\u00e1c r\u00e0ng bu\u1ed9c b\u1ea5t th\u01b0\u1eddng ho\u1eb7c t\u1ea1i c\u00e1c khu v\u1ef1c tr\u1ecdng y\u1ebfu?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u0110\u01b0a ch\u1ee7 s\u1edf h\u1eefu t\u00e0i s\u1ea3n, k\u1ef9 s\u01b0 \u0111i\u1ec7n \u0111\u1ee7 \u0111i\u1ec1u ki\u1ec7n, chuy\u00ean gia v\u1ec1 m\u00e1y ph\u00e1t \u0111i\u1ec7n ho\u1eb7c quy tr\u00ecnh khi c\u00f3 li\u00ean quan, \u0111\u01a1n v\u1ecb \u0111i\u1ec7n l\u1ef1c ho\u1eb7c b\u00ean li\u00ean quan th\u01b0\u1ee3ng ngu\u1ed3n, c\u00f9ng c\u00e1c b\u00ean ch\u1ecbu tr\u00e1ch nhi\u1ec7m v\u1ec1 b\u1ea3o v\u1ec7 v\u00e0 ch\u1ea1y th\u1eed v\u00e0o tham gia.<\/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:\/\/webstore.iec.ch\/en\/publication\/4185\" rel=\"nofollow noopener\" target=\"_blank\">IEC 61000-4-15 \u2014 Quy \u0111\u1ecbnh k\u1ef9 thu\u1eadt v\u1ec1 ch\u1ee9c n\u0103ng v\u00e0 thi\u1ebft k\u1ebf c\u1ee7a thi\u1ebft b\u1ecb \u0111o nh\u1ea5p nh\u00e1y \u0111i\u1ec7n \u00e1p<\/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<\/ul>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Harmonic current sharing and measurement boundaries when generator sets parallel should begin with a documented electrical boundary, representative operating record, and a defined decision. A meter reading, a component nameplate, or a single switching event does not by itself establish the cause, the required equipment, or the acceptance criteria. Contents Part 1. Start with the [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_gspb_post_css":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-2225","post","type-post","status-publish","format-standard","hentry","category-blog"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":7}},"acf":[],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/posts\/2225","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=2225"}],"version-history":[{"count":2,"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/posts\/2225\/revisions"}],"predecessor-version":[{"id":2547,"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/posts\/2225\/revisions\/2547"}],"wp:attachment":[{"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/media?parent=2225"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/categories?post=2225"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/tags?post=2225"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}