{"id":2443,"date":"2026-08-20T07:00:00","date_gmt":"2026-08-19T23:00:00","guid":{"rendered":"https:\/\/cnbygele.com\/?p=2443"},"modified":"2026-08-24T17:23:12","modified_gmt":"2026-08-24T09:23:12","slug":"what-are-capacitor-banks","status":"publish","type":"post","link":"https:\/\/cnbygele.com\/vi\/blog\/what-are-capacitor-banks\/","title":{"rendered":"T\u1ee5 \u0111i\u1ec7n nh\u00f3m l\u00e0 g\u00ec?"},"content":{"rendered":"<div class=\"b2b-article\">\n<p style=\"margin:0 0 16px;line-height:1.7\"><strong>t\u1ee5 \u0111i\u1ec7n gh\u00e9p n\u1ed1i<\/strong> l\u00e0 c\u00e1c c\u1ee5m bao g\u1ed3m nhi\u1ec1u \u0111\u01a1n v\u1ecb t\u1ee5 \u0111i\u1ec7n l\u1ef1c \u0111\u01b0\u1ee3c m\u1eafc n\u1ed1i ti\u1ebfp, song song ho\u1eb7c c\u1ea3 hai \u0111\u1ec3 nh\u00f3m n\u00e0y \u0111\u00e1p \u1ee9ng \u0111\u1ecbnh m\u1ee9c \u0111i\u1ec7n \u00e1p m\u1ee5c ti\u00eau v\u00e0 c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng (kvar). C\u00e1c nh\u00e0 m\u00e1y th\u01b0\u1eddng \u0111\u1ea5u n\u1ed1i c\u1ee5m thi\u1ebft b\u1ecb \u0111\u00f3 m\u1eafc song song v\u1edbi m\u1ed9t thanh c\u00e1i ho\u1eb7c t\u1ea3i \u0111\u1ec3 cung c\u1ea5p c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng t\u1ea1i ch\u1ed7 v\u00e0 c\u1ea3i thi\u1ec7n h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">H\u01b0\u1edbng d\u1eabn n\u00e0y bao g\u1ed3m vai tr\u00f2 c\u1ee7a t\u1ee7 b\u00f9, c\u00e1ch d\u00f2ng \u0111i\u1ec7n d\u1eabn tr\u01b0\u1edbc b\u00f9 tr\u1eeb cho \u0111\u1ed9ng c\u01a1 c\u1ea3m \u1ee9ng, c\u00e1c lo\u1ea1i ch\u00ednh \u1edf m\u1ee9c \u0111\u1ed9 cao, c\u00e1c l\u1ef1a ch\u1ecdn v\u1ecb tr\u00ed, v\u00e0 th\u1eddi \u0111i\u1ec3m s\u00f3ng h\u00e0i khi\u1ebfn m\u1ed9t b\u1ed9 t\u1ee5 th\u00f4ng th\u01b0\u1eddng tr\u1edf th\u00e0nh b\u01b0\u1edbc \u0111i sai l\u1ea7m \u0111\u1ea7u ti\u00ean. \u0110\u1ed1i v\u1edbi to\u00e1n h\u1ecdc t\u00ednh to\u00e1n k\u00edch th\u01b0\u1edbc kvar, h\u00e3y m\u1edf ph\u1ea7n ri\u00eang c\u1ee7a ch\u00fang t\u00f4i <a href=\"https:\/\/cnbygele.com\/vi\/blog\/capacitor-bank-sizing-for-power-factor-correction\/\">t\u00ednh to\u00e1n dung l\u01b0\u1ee3ng t\u1ee5 b\u00f9 cho vi\u1ec7c n\u00e2ng cao h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t<\/a> b\u00e0i b\u00e1o thay v\u00ec coi trang n\u00e0y nh\u01b0 m\u1ed9t m\u00e1y t\u00ednh.<\/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=\"#what-a-capacitor-bank-is\">T\u1ee5 \u0111i\u1ec7n ng\u00e2n h\u00e0ng<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#the-role-of-capacitor-banks-in-a-plant-electrical-system\">Vai tr\u00f2 c\u1ee7a c\u00e1c b\u1ed9 t\u1ee5 b\u00f9 trong h\u1ec7 th\u1ed1ng \u0111i\u1ec7n nh\u00e0 m\u00e1y<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#how-capacitor-banks-supply-reactive-power\">C\u00e1ch C\u00e1c D\u1ee5m T\u1ee5 Cung C\u1ea5p C\u00f4ng Su\u1ea5t Ph\u1ea3n Kh\u00e1ng<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#common-capacitor-bank-types-at-a-high-level\">C\u00e1c lo\u1ea1i t\u1ee5 b\u00f9 ph\u1ed5 bi\u1ebfn \u1edf m\u1ee9c t\u1ed5ng quan<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#where-capacitor-banks-sit-in-a-plant\">V\u1ecb tr\u00ed c\u1ee7a c\u00e1c d\u00e3y t\u1ee5 \u0111i\u1ec7n trong nh\u00e0 m\u00e1y<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#limits-harmonics-and-when-a-bank-is-the-wrong-first-move\">Gi\u1edbi h\u1ea1n, S\u00f3ng h\u00e0i, v\u00e0 Khi n\u00e0o ng\u00e2n h\u00e0ng kh\u00f4ng ph\u1ea3i l\u00e0 b\u01b0\u1edbc \u0111i \u0111\u1ea7u ti\u00ean ph\u00f9 h\u1ee3p<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#choosing-lv-capacitor-hardware-and-next-steps\">L\u1ef1a ch\u1ecdn ph\u1ea7n c\u1ee9ng t\u1ee5 \u0111i\u1ec7n h\u1ea1 th\u1ebf v\u00e0 c\u00e1c b\u01b0\u1edbc ti\u1ebfp theo<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#faq\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/a><\/li>\n<\/ul>\n<\/nav>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"what-a-capacitor-bank-is\">T\u1ee5 \u0111i\u1ec7n ng\u00e2n h\u00e0ng<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">D\u00e3y t\u1ee5 \u0111i\u1ec7n kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t b\u00ecnh \u0111\u01a1n v\u1edbi hai c\u1ef1c m\u00e0 l\u00e0 m\u1ed9t nh\u00f3m c\u00e1c kh\u1ed1i t\u1ee5 \u0111i\u1ec7n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf s\u1eafp x\u1ebfp sao cho kh\u1ea3 n\u0103ng \u0111i\u1ec7n \u00e1p v\u00e0 c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng (kvar) c\u1ed9ng l\u1ea1i \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c nhu c\u1ea7u c\u1ee7a \u1ee9ng d\u1ee5ng.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">M\u1ed7i \u0111\u01a1n v\u1ecb l\u01b0u tr\u1eef n\u0103ng l\u01b0\u1ee3ng trong m\u1ed9t \u0111i\u1ec7n tr\u01b0\u1eddng gi\u1eefa c\u00e1c d\u00e2y d\u1eabn \u0111\u01b0\u1ee3c ng\u0103n c\u00e1ch b\u1edfi m\u1ed9t ch\u1ea5t \u0111i\u1ec7n m\u00f4i. C\u00e1c d\u00e3y n\u1ed1i ti\u1ebfp l\u00e0m t\u0103ng \u0111i\u1ec7n \u00e1p m\u00e0 t\u1ed5 h\u1ee3p c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u01b0\u1ee3c. C\u00e1c nh\u00e1nh song song l\u00e0m t\u0103ng t\u1ed5ng c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">D\u00e3y t\u1ee5 \u0111i\u1ec7n ho\u00e0n ch\u1ec9nh c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1eb7t trong gi\u00e1 \u0111\u1ee1 h\u1edf, v\u1ecf kim lo\u1ea1i, khung c\u1ed9t ho\u1eb7c t\u1ee7 b\u00f9 h\u1ea1 th\u1ebf.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">Trong ng\u00f4n ng\u1eef c\u1ee7a lo\u00e0i c\u00e2y, b\u1ea1n c\u0169ng s\u1ebd l\u1eafng nghe <strong>t\u1ee5 b\u00f9 m\u1eafc song song<\/strong> ho\u1eb7c t\u1ee5 b\u00f9 c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng. A <strong>m\u1eafc song song<\/strong> ngh\u0129a l\u00e0 c\u00e1c d\u00e3y t\u1ee5 \u0111i\u1ec7n \u0111\u01b0\u1ee3c m\u1eafc song song v\u1edbi t\u1ea3i ho\u1eb7c thanh c\u00e1i\u2014ki\u1ec3u c\u00f4ng nghi\u1ec7p th\u00f4ng th\u01b0\u1eddng. C\u00e1c d\u00e3y t\u1ee5 m\u1eafc n\u1ed1i ti\u1ebfp n\u1eb1m tr\u00ean c\u00f9ng m\u1ed9t m\u1ea1ch truy\u1ec1n t\u1ea3i d\u00e0i gi\u1ea3i quy\u1ebft m\u1ed9t v\u1ea5n \u0111\u1ec1 kh\u00e1c c\u1ee7a ng\u00e0nh \u0111i\u1ec7n v\u00e0 kh\u00f4ng n\u1eb1m trong ph\u1ea1m vi th\u1ea3o lu\u1eadn v\u1ec1 nh\u00e0 m\u00e1y h\u1ea1 th\u1ebf n\u00e0y.<\/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\" alt=\"C\u00e1c module t\u1ee7 t\u1ee5 \u0111i\u1ec7n h\u1ea1 th\u1ebf c\u00f4ng nghi\u1ec7p \u0111\u01b0\u1ee3c t\u1eadp k\u1ebft b\u00ean c\u1ea1nh thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft c\u1ee7a nh\u00e0 m\u00e1y\" src=\"https:\/\/cnbygele.com\/wp-content\/uploads\/2026\/08\/what-are-capacitor-banks-featured-1.webp\" \/><\/figure>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"the-role-of-capacitor-banks-in-a-plant-electrical-system\">Vai tr\u00f2 c\u1ee7a c\u00e1c b\u1ed9 t\u1ee5 b\u00f9 trong h\u1ec7 th\u1ed1ng \u0111i\u1ec7n nh\u00e0 m\u00e1y<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">C\u00e1c ng\u00e2n h\u00e0ng t\u1ee5 \u0111i\u1ec7n t\u1ed3n\u03b9\u03b2 ch\u1ee7 y\u1ebfu trong c\u00e1c nh\u00e0 m\u00e1y nh\u1eb1m m\u1ee5c \u0111\u00edch <strong>hi\u1ec7u ch\u1ec9nh h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t b\u1eb1ng t\u1ee5 \u0111i\u1ec7n<\/strong>ch\u00fang cung c\u1ea5p c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng t\u1ea1i ch\u1ed7 \u0111\u1ec3 c\u00e1c thi\u1ebft b\u1ecb c\u1ea3m \u1ee9ng kh\u00f4ng h\u00fat qu\u00e1 nhi\u1ec1u d\u00f2ng \u0111i\u1ec7n tr\u1ec5 qua c\u00e1c m\u00e1y bi\u1ebfn \u00e1p, c\u00e1p v\u00e0 \u0111\u01b0\u1eddng d\u00e2y c\u1ea5p \u0111i\u1ec7n ph\u00eda tr\u00ean.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u0110\u1ed9ng c\u01a1, m\u00e1y bi\u1ebfn \u00e1p v\u00e0 nhi\u1ec1u ch\u1ea5n l\u01b0u \u0111\u00e8n c\u1ea7n c\u00f3 d\u00f2ng \u0111i\u1ec7n t\u1eeb h\u00f3a. D\u00f2ng \u0111i\u1ec7n \u0111\u00f3 \u00edt th\u1ef1c hi\u1ec7n c\u00f4ng c\u01a1 h\u1ecdc ho\u1eb7c nhi\u1ec7t h\u1eefu \u00edch, nh\u01b0ng n\u00f3 v\u1eabn \u0111\u01b0\u1ee3c t\u00ednh v\u00e0o c\u00f4ng su\u1ea5t bi\u1ec3u ki\u1ebfn (kVA). H\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t\u2014c\u00f4ng su\u1ea5t th\u1ef1c chia cho c\u00f4ng su\u1ea5t bi\u1ec3u ki\u1ebfn\u2014gi\u1ea3m xu\u1ed1ng khi nhu c\u1ea7u ph\u1ea3n kh\u00e1ng tr\u1ec5 pha \u0111\u00f3 l\u1edbn.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">Nhi\u1ec1u c\u00f4ng ty \u0111i\u1ec7n l\u1ef1c \u1edf Hoa K\u1ef3 c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng c\u00e1c kho\u1ea3n ph\u1ee5 ph\u00ed khi h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t c\u1ee7a c\u01a1 s\u1edf n\u1eb1m d\u01b0\u1edbi kho\u1ea3ng 0,95. Ngay c\u1ea3 khi kh\u00f4ng c\u00f3 kho\u1ea3n ph\u1ea1t chi ti\u1ebft c\u1ee5 th\u1ec3, d\u00f2ng \u0111i\u1ec7n d\u01b0 th\u1eeba v\u1eabn g\u00e2y c\u0103ng th\u1eb3ng cho thi\u1ebft b\u1ecb c\u1ee7a nh\u00e0 m\u00e1y.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">Khi m\u1ed9t b\u1ed9 t\u1ee5 \u0111i\u1ec7n \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t \u0111\u00fang c\u00e1ch b\u1ed5 sung c\u00f4ng su\u1ea5t kh\u00e1ng d\u1eabn d\u00f2ng g\u1ea7n c\u00e1c ph\u1ee5 t\u1ea3i \u0111\u00f3, th\u00ec c\u00f4ng ty \u0111i\u1ec7n l\u1ef1c v\u00e0 c\u00e1c m\u00e1y bi\u1ebfn \u00e1p ch\u00ednh c\u1ee7a nh\u00e0 m\u00e1y s\u1ebd nh\u1eadn th\u1ea5y th\u00e0nh ph\u1ea7n kh\u00e1ng nh\u1ecf h\u01a1n. D\u00f2ng \u0111i\u1ec7n tr\u00ean \u0111\u01b0\u1eddng d\u00e2y c\u1ea5p ngu\u1ed3n c\u00f3 th\u1ec3 gi\u1ea3m xu\u1ed1ng \u0111\u1ed1i v\u1edbi c\u00f9ng m\u1ed9t t\u1ea3i c\u00f4ng su\u1ea5t t\u00e1c d\u1ee5ng (kilowatt), v\u00e0 c\u00f4ng su\u1ea5t m\u00e1y bi\u1ebfn \u00e1p \u0111\u01b0\u1ee3c gi\u1ea3i ph\u00f3ng s\u1ebd s\u1eb5n s\u00e0ng ph\u1ee5c v\u1ee5 cho vi\u1ec7c m\u1edf r\u1ed9ng s\u1ea3n xu\u1ea5t.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">N\u1ebfu b\u1ea1n v\u1eabn c\u1ea7n \u00fd t\u01b0\u1edfng r\u1ed9ng h\u01a1n v\u1ec1 ch\u00ednh s\u1ef1 b\u1ed3i th\u01b0\u1eddng, h\u00e3y b\u1eaft \u0111\u1ea7u v\u1edbi <a href=\"https:\/\/cnbygele.com\/vi\/blog\/what-is-reactive-power-compensation-key-concepts-explained\/\">b\u00f9 c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng<\/a>, sau \u0111\u00f3 quay l\u1ea1i \u0111\u00e2y \u0111\u1ec3 xem quan \u0111i\u1ec3m ng\u00e2n h\u00e0ng nh\u01b0 m\u1ed9t thi\u1ebft b\u1ecb.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"how-capacitor-banks-supply-reactive-power\">C\u00e1ch C\u00e1c D\u1ee5m T\u1ee5 Cung C\u1ea5p C\u00f4ng Su\u1ea5t Ph\u1ea3n Kh\u00e1ng<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">C\u00e1c d\u00e3y t\u1ee5 \u0111i\u1ec7n cung c\u1ea5p c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng b\u1eb1ng c\u00e1ch h\u00fat d\u00f2ng \u0111i\u1ec7n v\u01b0\u1ee3t tr\u01b0\u1edbc \u0111\u1ec3 b\u00f9 \u0111\u1eafp cho d\u00f2ng \u0111i\u1ec7n tr\u1ec5 do c\u00e1c t\u1ea3i c\u1ea3m kh\u00e1ng y\u00eau c\u1ea7u.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">Tr\u00ean m\u1ed9t l\u01b0\u1edbi \u0111i\u1ec7n xoay chi\u1ec1u, d\u00f2ng \u0111i\u1ec7n c\u1ee7a m\u1ed9t t\u1ee5 \u0111i\u1ec7n l\u00fd t\u01b0\u1edfng d\u1eabn tr\u01b0\u1edbc \u0111i\u1ec7n \u00e1p \u0111\u1ea7u c\u1ee7a n\u00f3 kho\u1ea3ng ch\u00edn m\u01b0\u01a1i \u0111\u1ed9. D\u00f2ng \u0111i\u1ec7n t\u1eeb h\u00f3a c\u1ee7a m\u1ed9t \u0111\u1ed9ng c\u01a1 c\u1ea3m \u1ee9ng ch\u1eadm pha h\u01a1n \u0111i\u1ec7n \u00e1p. \u0110\u1eb7t t\u1ee5 \u0111i\u1ec7n m\u1eafc song song v\u1edbi \u0111\u01b0\u1eddng c\u1ea5p ngu\u1ed3n c\u1ee7a \u0111\u1ed9ng c\u01a1 ho\u1eb7c m\u1ed9t thanh c\u00e1i chung v\u00e0 hai d\u00f2ng \u0111i\u1ec7n ph\u1ea3n kh\u00e1ng s\u1ebd tri\u1ec7t ti\u00eau l\u1eabn nhau m\u1ed9t ph\u1ea7n.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">C\u00f4ng su\u1ea5t th\u1ef1c v\u1eabn truy\u1ec1n \u0111\u1ebfn tr\u1ee5c. S\u1ef1 trao \u0111\u1ed5i ph\u1ea3n kh\u00e1ng \u201cngang\u201d di\u1ec5n ra c\u1ee5c b\u1ed9 h\u01a1n gi\u1eefa \u0111\u1ed9ng c\u01a1 v\u00e0 t\u1ee5 \u0111i\u1ec7n thay v\u00ec ph\u1ea3i truy\u1ec1n t\u1ea3i to\u00e0n b\u1ed9 t\u1eeb m\u00e1y ph\u00e1t \u0111i\u1ec7n c\u1ee7a h\u1ec7 th\u1ed1ng \u0111i\u1ec7n l\u1ef1c.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">H\u00e3y coi c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng l\u00e0 ph\u1ea7n d\u00f2ng \u0111i\u1ec7n duy tr\u00ec s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a t\u1eeb tr\u01b0\u1eddng. T\u1ee5 b\u00f9 tr\u1edf th\u00e0nh m\u1ed9t h\u1ed3 ch\u1ee9a c\u1ee5c b\u1ed9 cho s\u1ef1 trao \u0111\u1ed5i \u0111\u00f3. C\u00e1c b\u1ed9 \u0111i\u1ec1u khi\u1ec3n v\u00e0 c\u00f4ng t\u1eafc quy\u1ebft \u0111\u1ecbnh c\u00f3 bao nhi\u00eau b\u1eadc c\u1ee7a h\u1ed3 ch\u1ee9a \u0111\u00f3 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o ho\u1ea1t \u0111\u1ed9ng khi t\u1ea3i c\u1ee7a nh\u00e0 m\u00e1y thay \u0111\u1ed5i.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">L\u1ef1a ch\u1ecdn kVAR s\u00e2u, b\u1ea3ng tan\u03c6 v\u00e0 b\u1ea3ng t\u00ednh h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t (PF) m\u1ee5c ti\u00eau n\u1eb1m trong h\u01b0\u1edbng d\u1eabn ch\u1ecdn k\u00edch th\u01b0\u1edbc tr\u1ef1c ti\u1ebfp \u0111\u01b0\u1ee3c li\u00ean k\u1ebft \u1edf tr\u00ean. Ph\u1ea7n n\u00e0y ch\u1ec9 kh\u00f3a c\u01a1 ch\u1ebf \u0111\u1ec3 c\u00e1c l\u1ef1a ch\u1ecdn lo\u1ea1i v\u00e0 r\u1ee7i ro sau \u0111\u00f3 c\u00f3 \u00fd ngh\u0129a.<\/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\" alt=\"C\u00e1c t\u1ee5 \u0111i\u1ec7n m\u00f4-\u0111un \u0111\u01b0\u1ee3c l\u1eafp r\u00e1p tr\u00ean gi\u00e1 \u0111\u1ee1 th\u00e0nh m\u1ed9t b\u1ed9 t\u1ee5 b\u00f9 song song\" src=\"https:\/\/cnbygele.com\/wp-content\/uploads\/2026\/08\/what-are-capacitor-banks-assembly-1.webp\" \/><\/figure>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"common-capacitor-bank-types-at-a-high-level\">C\u00e1c lo\u1ea1i t\u1ee5 b\u00f9 ph\u1ed5 bi\u1ebfn \u1edf m\u1ee9c t\u1ed5ng quan<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">H\u1ea7u h\u1ebft c\u00e1c cu\u1ed9c th\u1ea3o lu\u1eadn v\u1ec1 d\u1ef1 \u00e1n \u0111\u1ec1u ph\u00e2n lo\u1ea1i c\u00e1c t\u1ee5 b\u00f9 theo c\u00e1ch ch\u00fang \u0111\u01b0\u1ee3c \u0111i\u1ec1u khi\u1ec3n v\u00e0 c\u00f3 t\u00edch h\u1ee3p cu\u1ed9n kh\u00e1ng l\u1ecdc s\u00f3ng h\u00e0i hay kh\u00f4ng\u2014ch\u1ee9 kh\u00f4ng ph\u1ea3i theo th\u01b0\u01a1ng hi\u1ec7u.<\/p>\n<div class=\"b2b-table-scroll\" role=\"region\" aria-label=\"B\u1ea3ng d\u1eef li\u1ec7u c\u00f3 th\u1ec3 cu\u1ed9n\" tabindex=\"0\" style=\"width:100%;max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 0 18px\">\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\">Lo\u1ea1i<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Nh\u1eefng g\u00ec b\u1ea1n nh\u1eadn \u0111\u01b0\u1ee3c<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">V\u1eeba v\u1eb7n th\u00f4ng th\u01b0\u1eddng<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">T\u1ee5 b\u00f9 t\u0129nh<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">M\u1ed9t kh\u1ed1i t\u1ee5 b\u00f9 (kvar) c\u1ed1 \u0111\u1ecbnh lu\u00f4n \u0111\u01b0\u1ee3c duy tr\u00ec tr\u1ea1ng th\u00e1i \u0111\u00f3ng \u0111i\u1ec7n b\u1ea5t c\u1ee9 khi n\u00e0o m\u1ea1ch c\u00f3 \u0111i\u1ec7n<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">T\u1ea3i c\u1ea3m \u1ee9ng \u1ed5n \u0111\u1ecbnh v\u00e0 \u00edt khi dao \u0111\u1ed9ng<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">T\u1ee5 b\u00f9 t\u1ef1 \u0111\u1ed9ng<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Nhi\u1ec1u c\u1ea5p \u0111\u01b0\u1ee3c chuy\u1ec3n m\u1ea1ch b\u1edfi b\u1ed9 \u0111i\u1ec1u khi\u1ec3n h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t ho\u1eb7c b\u1ed9 \u0111i\u1ec1u khi\u1ec3n kvar<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Ca l\u00e0m vi\u1ec7c, quy tr\u00ecnh theo l\u00f4 ho\u1eb7c h\u1ed3 s\u01a1 t\u1ea3i h\u00e0ng ng\u00e0y<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">T\u1ee5 b\u00f9 kh\u00e1ng \u0111i\u1ec7n<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">C\u00e1c c\u1ea5p t\u1ee5 \u0111i\u1ec7n k\u1ebft h\u1ee3p v\u1edbi cu\u1ed9n kh\u00e1ng n\u1ed1i ti\u1ebfp gi\u00fap d\u1ecbch chuy\u1ec3n t\u1ea7n s\u1ed1 c\u1ed9ng h\u01b0\u1edfng xu\u1ed1ng d\u01b0\u1edbi c\u00e1c s\u00f3ng h\u00e0i b\u1eadc th\u1ea5p th\u00f4ng th\u01b0\u1eddng<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">C\u00e1c nh\u00e0 m\u00e1y c\u00f3 bi\u1ebfn t\u1ea7n, b\u1ed9 ch\u1ec9nh l\u01b0u ho\u1eb7c c\u00e1c t\u1ea3i phi tuy\u1ebfn t\u00ednh kh\u00e1c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p style=\"margin:0 0 16px;line-height:1.7\">Nh\u00e3n bao b\u00ec tr\u00ean c\u00e1c d\u1ef1 \u00e1n \u0111i\u1ec7n ho\u1eb7c trung th\u1ebf\u2014gi\u00e1 \u0111\u1ee1 ngo\u00e0i tr\u1eddi, c\u1ee5m l\u1eafp r\u00e1p b\u1ecdc kim lo\u1ea1i, khung l\u1eafp tr\u00ean c\u1ed9t ho\u1eb7c xe mo\u00f3c di \u0111\u1ed9ng\u2014m\u00f4 t\u1ea3 ph\u1ea7n v\u1ecf v\u00e0 c\u00e1ch l\u1eafp \u0111\u1eb7t, ch\u1ee9 kh\u00f4ng ph\u1ea3i m\u1ee5c \u0111\u00edch \u0111i\u1ec7n kh\u00e1c. C\u00e1c \u0111\u1ecba \u0111i\u1ec3m c\u00f4ng nghi\u1ec7p h\u1ea1 th\u1ebf th\u01b0\u1eddng th\u1ec3 hi\u1ec7n \u00fd t\u01b0\u1edfng t\u01b0\u01a1ng t\u1ef1 v\u1edbi c\u00e1c b\u01b0\u1edbc l\u1eafp tr\u00ean t\u1ee7 c\u00f3 c\u00f4ng t\u1eafc t\u01a1 ho\u1eb7c c\u00f4ng t\u1eafc b\u00e1n d\u1eabn, \u0111\u00f4i khi \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u00e0o <a href=\"https:\/\/cnbygele.com\/vi\/intelligent-capacitor\/\">t\u1ee5 \u0111i\u1ec7n th\u00f4ng minh<\/a> C\u00e1c m\u00f4-\u0111un.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">Ki\u1ec3u b\u1ea3o v\u1ec7 (c\u1ea5u tr\u00fac c\u00f3 c\u1ea7u ch\u00ec b\u00ean trong, c\u1ea7u ch\u00ec b\u00ean ngo\u00e0i, ho\u1eb7c kh\u00f4ng d\u00f9ng c\u1ea7u ch\u00ec tr\u00ean c\u00e1c gi\u00e1 \u0111\u1ee1 trung th\u1ebf) quan tr\u1ecdng \u0111\u1ed1i v\u1edbi vi\u1ec7c b\u1ea3o tr\u00ec v\u00e0 \u1ee9ng x\u1eed khi c\u00f3 s\u1ef1 c\u1ed1. N\u00f3 kh\u00f4ng thay \u0111\u1ed5i c\u00e2u h\u1ecfi \u0111\u1ea7u ti\u00ean c\u1ee7a ng\u01b0\u1eddi \u0111\u1ecdc: \u0111\u00e2y l\u00e0 t\u1ee7 t\u1ee5 b\u00f9 c\u1ed1 \u0111\u1ecbnh, t\u1ee7 t\u1ee5 b\u00f9 t\u1ef1 \u0111\u1ed9ng, hay t\u1ee7 t\u1ee5 b\u00f9 kh\u00e1ng \u0111i\u1ec7n?<\/p>\n<figure style=\"margin:26px 0;text-align:center\"><img decoding=\"async\" style=\"max-width:640px;width:100%;height:auto;display:block;margin:0 auto;border-radius:8px\" alt=\"T\u1ee7 b\u00f9 h\u1ea1 th\u1ebf v\u1edbi c\u00e1c c\u1ea5p t\u1ee5 \u0111i\u1ec7n \u0111\u1eb7t b\u00ean c\u1ea1nh t\u1ee7 \u0111i\u1ec1u khi\u1ec3n trung t\u00e2m (MCC) c\u1ee7a nh\u00e0 m\u00e1y\" src=\"https:\/\/cnbygele.com\/wp-content\/uploads\/2026\/08\/what-are-capacitor-banks-placement-1.webp\" \/><\/figure>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"where-capacitor-banks-sit-in-a-plant\">V\u1ecb tr\u00ed c\u1ee7a c\u00e1c d\u00e3y t\u1ee5 \u0111i\u1ec7n trong nh\u00e0 m\u00e1y<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">C\u00e1c d\u00e3y t\u1ee5 \u0111i\u1ec7n \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf n\u01a1i v\u1ea5n \u0111\u1ec1 ph\u1ea3n kh\u00e1ng t\u1eadp trung \u0111\u1ee7 \u0111\u1ec3 x\u1ee9ng \u0111\u00e1ng v\u1edbi ph\u1ea7n c\u1ee9ng\u2014v\u00e0 n\u01a1i vi\u1ec7c chuy\u1ec3n m\u1ea1ch s\u1ebd kh\u00f4ng l\u00e0m b\u1ea5t ng\u1edd c\u00e1c thi\u1ebft b\u1ecb nh\u1ea1y c\u1ea3m.<\/p>\n<div class=\"b2b-table-scroll\" role=\"region\" aria-label=\"B\u1ea3ng d\u1eef li\u1ec7u c\u00f3 th\u1ec3 cu\u1ed9n\" tabindex=\"0\" style=\"width:100%;max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 0 18px\">\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<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">\u00dd t\u01b0\u1edfng k\u1ebft n\u1ed1i<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">S\u1ee9c m\u1ea1nh<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">C\u1ea9n th\u1eadn<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">T\u1eadp trung<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">G\u1ea7n t\u1ee7 ph\u00e2n ph\u1ed1i ch\u00ednh \u0111\u1ea7u v\u00e0o ho\u1eb7c thanh c\u00e1i h\u1ea1 th\u1ebf ch\u00ednh<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">M\u1ed9t g\u00f3i, m\u1ed9t b\u1ed9 \u0111i\u1ec1u khi\u1ec3n, d\u1ec5 nh\u00ecn tr\u00ean m\u1ed9t d\u00f2ng<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">C\u00f3 th\u1ec3 b\u1ecf l\u1ee1 c\u00e1c trung t\u00e2m ph\u1ee5 t\u1ea3i \u1edf xa; c\u00e1c b\u01b0\u1edbc l\u1edbn h\u01a1n c\u00f3 th\u1ec3 l\u00e0m dao \u0111\u1ed9ng to\u00e0n b\u1ed9 thanh c\u00e1i<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Nh\u00f3m \/ phi t\u1eadp trung<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">T\u1ea1i c\u00e1c t\u1ee7 ph\u00e2n ph\u1ed1i c\u1ea5p ngu\u1ed3n cho c\u00e1c nh\u00f3m \u0111\u1ed9ng c\u01a1<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0110\u00e1p \u1ee9ng nhu c\u1ea7u ph\u1ea3n kh\u00e1ng g\u1ea7n h\u01a1n v\u1edbi c\u00e1c t\u1ea3i t\u1ea1o ra n\u00f3<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Nhi\u1ec1u t\u1ea5m pin c\u1ea7n b\u1ea3o tr\u00ec v\u00e0 ph\u1ed1i h\u1ee3p h\u01a1n<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">C\u1ee5c b\u1ed9<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">T\u1ea1i m\u1ed9t m\u00e1y n\u00e9n kh\u00ed l\u1edbn, nh\u00e0 m\u00e1y nghi\u1ec1n, ho\u1eb7c m\u00e1y c\u1ea3m \u1ee9ng chi\u1ebfm \u01b0u th\u1ebf kh\u00e1c<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Kh\u1eafc ph\u1ee5c t\u00e1c nh\u00e2n g\u00e2y h\u1ea1i n\u1eb7ng nh\u1ea5t v\u1edbi l\u01b0\u1ee3ng l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp ng\u01b0\u1ee3c d\u00f2ng t\u1ed1i thi\u1ec3u<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Nhi\u1ec1u ng\u00e2n h\u00e0ng nh\u1ecf t\u00ednh th\u00eam chi ph\u00ed n\u1ebfu m\u1ed7i \u0111\u1ed9ng c\u01a1 c\u00f3 m\u1ed9t \u0111\u1ed9ng c\u01a1 ri\u00eang<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p style=\"margin:0 0 16px;line-height:1.7\">C\u00e1c \u0111\u1ed9i thu mua th\u01b0\u1eddng b\u1eaft \u0111\u1ea7u theo h\u00ecnh th\u1ee9c t\u1eadp trung v\u00ec b\u00e1o gi\u00e1 c\u00f3 v\u1ebb \u0111\u01a1n gi\u1ea3n. C\u00e1c k\u1ef9 s\u01b0 quy tr\u00ecnh \u0111\u00f4i khi th\u00edch d\u00f9ng c\u00e1c m\u00e1y bi\u1ebfn d\u00f2ng (ho\u1eb7c t\u1ee5 b\u00f9\/thi\u1ebft b\u1ecb) c\u1ee5c b\u1ed9 cho c\u00e1c \u0111\u1ed9ng c\u01a1 l\u1edbn nh\u1ea5t \u0111\u1ec3 thanh c\u00e1i ch\u00ednh kh\u00f4ng bao gi\u1edd ph\u1ea3i ch\u1ecbu d\u00f2ng \u0111i\u1ec7n t\u1eeb h\u00f3a \u0111\u00f3.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">C\u00e1c tr\u1ea1m h\u1ed7n h\u1ee3p s\u1eed d\u1ee5ng c\u1ea3 hai: m\u1ed9t tr\u1ea1m ch\u00ednh v\u1eeba ph\u1ea3i k\u1ebft h\u1ee3p b\u00f9 c\u1ee5c b\u1ed9 cho m\u1ed9t s\u1ed1 m\u00e1y m\u00f3c n\u1eb7ng. S\u01a1 \u0111\u1ed3 ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o bi\u1ec3u \u0111\u1ed3 ph\u1ee5 t\u1ea3i \u0111\u01b0\u1ee3c \u0111o \u0111\u1ea1c, ch\u1ee9 kh\u00f4ng ph\u1ea3i d\u1ef1a v\u00e0o m\u1ed9t kh\u1ea9u hi\u1ec7u chung chung n\u00e0o.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"limits-harmonics-and-when-a-bank-is-the-wrong-first-move\">Gi\u1edbi h\u1ea1n, S\u00f3ng h\u00e0i, v\u00e0 Khi n\u00e0o ng\u00e2n h\u00e0ng kh\u00f4ng ph\u1ea3i l\u00e0 b\u01b0\u1edbc \u0111i \u0111\u1ea7u ti\u00ean ph\u00f9 h\u1ee3p<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">D\u00e3y t\u1ee5 \u0111i\u1ec7n c\u00f3 th\u1ec3 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng ph\u1ea3n t\u00e1c d\u1ee5ng khi chuy\u1ec3n m\u1ea1ch qu\u00e1 \u0111\u1ed9 ho\u1eb7c \u0111\u1ea5u song song <strong>c\u1ed9ng h\u01b0\u1edfng h\u00e0i h\u00f2a<\/strong> v\u1edbi t\u1ea3i phi tuy\u1ebfn t\u00ednh l\u00e0m qu\u00e1 t\u1ea3i ch\u1ea5t \u0111i\u1ec7n m\u00f4i, c\u1ea7u ch\u00ec v\u00e0 c\u00e1c \u1ed5 \u0111\u0129a g\u1ea7n \u0111\u00f3.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">Vi\u1ec7c \u0111\u00f3ng \u0111i\u1ec7n m\u1ed9t b\u1ed9 t\u1ee5 \u0111i\u1ec7n kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t s\u1ef1 ki\u1ec7n nh\u1eb9 nh\u00e0ng. D\u00f2ng \u0111i\u1ec7n xung k\u00edch v\u00e0 c\u00e1c nhi\u1ec5u lo\u1ea1n \u0111i\u1ec7n \u00e1p xu\u1ea5t hi\u1ec7n khi \u0111i\u1ec7n dung g\u1eb7p \u0111i\u1ec7n c\u1ea3m c\u1ee7a h\u1ec7 th\u1ed1ng. Vi\u1ec7c \u0111\u00f3ng c\u1eaft n\u1ed1i ti\u1ebfp\u2014\u0111\u00f3ng m\u1ed9t b\u1ed9 t\u1ee5 trong khi m\u1ed9t b\u1ed9 kh\u00e1c \u0111\u00e3 ho\u1ea1t \u0111\u1ed9ng tr\u00ean c\u00f9ng m\u1ed9t thanh c\u00e1i\u2014th\u1eadm ch\u00ed c\u00f3 th\u1ec3 kh\u1eafc nghi\u1ec7t h\u01a1n nhi\u1ec1u.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">B\u1ed9 \u0111i\u1ec1u khi\u1ec3n, \u0111i\u1ec7n tr\u1edf c\u1eafm tr\u01b0\u1edbc ho\u1eb7c \u0111\u00f3ng c\u1eaft t\u1ea1i \u0111i\u1ec3m kh\u00f4ng t\u1ed3n t\u1ea1i \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 ki\u1ec3m so\u00e1t m\u1ee9c \u1ee9ng su\u1ea5t \u0111\u00f3.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">S\u00f3ng h\u00e0i l\u00e0m thay \u0111\u1ed5i c\u00e2u chuy\u1ec7n \u0111i xa h\u01a1n. C\u00e1c t\u1ea3i phi tuy\u1ebfn t\u00ednh (bi\u1ebfn t\u1ea7n, m\u00e1y h\u00e0n, t\u1ea7ng \u0111\u1ea7u v\u00e0o c\u1ee7a b\u1ed9 l\u01b0u \u0111i\u1ec7n UPS) b\u01a1m c\u00e1c d\u00f2ng \u0111i\u1ec7n \u1edf c\u00e1c b\u1ed9i s\u1ed1 c\u1ee7a 60 Hz. Tr\u1edf kh\u00e1ng dung gi\u1ea3m xu\u1ed1ng khi t\u1ea7n s\u1ed1 t\u0103ng l\u00ean, do \u0111\u00f3 c\u00e1c d\u00f2ng \u0111i\u1ec7n \u0111\u00f3 \u01b0u ti\u00ean \u0111i v\u00e0o t\u1ee5 \u0111i\u1ec7n.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">N\u1ebfu ng\u00e2n h\u00e0ng t\u1ee5 \u0111i\u1ec7n v\u00e0 \u0111\u1ed9 t\u1ef1 c\u1ea3m c\u1ee7a ngu\u1ed3n c\u1ed9ng h\u01b0\u1edfng g\u1ea7n m\u1ed9t b\u1eadc s\u00f3ng h\u00e0i \u0111\u1eb7c tr\u01b0ng (th\u01b0\u1eddng l\u00e0 b\u1eadc 5 ho\u1eb7c b\u1eadc 7), \u0111\u1ed9 m\u00e9o \u0111i\u1ec7n \u00e1p c\u00f3 th\u1ec3 t\u0103ng cao, c\u1ea7u ch\u00ec c\u00f3 th\u1ec3 b\u1ecb n\u00f3ng v\u00e0 t\u1ee5 \u0111i\u1ec7n c\u00f3 th\u1ec3 h\u1ecfng s\u1edbm.<\/p>\n<blockquote>\n<p style=\"margin:0 0 16px;line-height:1.7\"><strong>T\u1eeb l\u0129nh v\u1ef1c:<\/strong> C\u00e1c cu\u1ed9c th\u1ea3o lu\u1eadn v\u1ec1 nh\u00e0 m\u00e1y tr\u00ean c\u00e1c di\u1ec5n \u0111\u00e0n chuy\u00ean 1ngh\u1ec1 m\u00f4 t\u1ea3 c\u00e1c t\u1ea7ng h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t (PF) t\u1ef1 \u0111\u1ed9ng ph\u00e1t ra ti\u1ebfng vo ve l\u1edbn, c\u00e1c cu\u1ed9n kh\u00e1ng ho\u1eb7c t\u1ee5 \u0111i\u1ec7n b\u1ecb qu\u00e1 nhi\u1ec7t, v\u00e0 \u0111\u1ee9t c\u1ea7u ch\u00ec\u2014th\u1ec9nh tho\u1ea3ng nghi\u00eam tr\u1ecdng \u0111\u1ebfn m\u1ee9c ng\u01b0\u1eddi v\u1eadn h\u00e0nh ph\u1ea3i t\u1eaft thi\u1ebft b\u1ecb \u201cv\u00ec s\u1ee3 ch\u00e1y\u201d. Ng\u00f4n t\u1eeb \u0111\u00f3 l\u00e0 m\u1ed9t l\u1eddi c\u1ea3nh b\u00e1o v\u1ec1 hi\u1ec7n t\u01b0\u1ee3ng c\u1ed9ng h\u01b0\u1edfng v\u00e0 t\u1ea3i phi tuy\u1ebfn t\u00ednh, ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 l\u00fd do \u0111\u1ec3 t\u1eeb b\u1ecf ho\u00e0n to\u00e0n vi\u1ec7c hi\u1ec7u ch\u1ec9nh h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\"><strong>Quan tr\u1ecdng:<\/strong> \u0110\u1eebng coi m\u1ed9t b\u1ed9 t\u1ee5 \u0111i\u1ec7n tr\u1ea7n, kh\u00f4ng \u0111\u01b0\u1ee3c tinh ch\u1ec9nh l\u00e0 v\u00f4 h\u1ea1i tr\u00ean m\u1ed9t thanh c\u00e1i ch\u1ecbu t\u1ea3i bi\u1ebfn t\u1ea7n (VFD) n\u1eb7ng ch\u1ec9 v\u00ec h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t d\u1ecbch chuy\u1ec3n tr\u00f4ng th\u1ea5p tr\u00ean b\u1ea3ng t\u00f3m t\u1eaft h\u00f3a \u0111\u01a1n ti\u1ec1n \u0111i\u1ec7n. H\u00e3y \u0111o \u0111\u1ed9 m\u00e9o \u0111i\u1ec7n \u00e1p v\u00e0 d\u00f2ng \u0111i\u1ec7n, xem x\u00e9t r\u1ee7i ro c\u1ed9ng h\u01b0\u1edfng v\u00e0 c\u00e2n nh\u1eafc m\u1ed9t <a href=\"https:\/\/cnbygele.com\/vi\/product\/cksg-series-low-voltage-series-reactors\/\">cu\u1ed9n kh\u00e1ng n\u1ed1i ti\u1ebfp<\/a> v\u1edbi c\u00e1c t\u1ee5 \u0111i\u1ec7n\u2014ho\u1eb7c m\u1ed9t c\u00f4ng ngh\u1ec7 ph\u1ea3n kh\u00e1ng kh\u00e1c\u2014tr\u01b0\u1edbc khi th\u00eam c\u00e1c b\u01b0\u1edbc. <a href=\"https:\/\/ipqdf.com\/pq-info\/harmonics\/harmonics-and-power-factor-capacitors-understanding-failure-resonance-and-the-filter-solution\/\" rel=\"nofollow noopener\" target=\"_blank\">S\u00f3ng h\u00e0i IPQDF v\u00e0 t\u1ee5 \u0111i\u1ec7n h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t<\/a><\/p>\n<\/blockquote>\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\" alt=\"T\u1ee5 b\u00f9 kh\u00e1ng l\u1ecdc s\u00f3ng h\u00e0i v\u00e0 cu\u1ed9n kh\u00e1ng n\u1ed1i ti\u1ebfp trong t\u1ee7 \u0111i\u1ec7n c\u00f4ng nghi\u1ec7p\" src=\"https:\/\/cnbygele.com\/wp-content\/uploads\/2026\/08\/what-are-capacitor-banks-detuned-1.webp\" \/><\/figure>\n<p style=\"margin:0 0 16px;line-height:1.7\">Khi t\u1ea3i dao \u0111\u1ed9ng nhanh, khi c\u1ea7n c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng hai chi\u1ec1u, ho\u1eb7c khi ph\u1ed5 s\u00f3ng h\u00e0i li\u00ean t\u1ee5c thay \u0111\u1ed5i, c\u00e1c gi\u1ea3i ph\u00e1p d\u1ef1a tr\u00ean \u0111i\u1ec7n t\u1eed c\u00f4ng su\u1ea5t nh\u01b0 SVG c\u00f3 th\u1ec3 ph\u00f9 h\u1ee3p h\u01a1n m\u1ed9t d\u00e3y t\u1ee5 \u0111i\u1ec7n th\u00f4ng th\u01b0\u1eddng. D\u00e3y t\u1ee5 v\u1eabn l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd, kinh t\u1ebf \u0111\u1ed1i v\u1edbi nhu c\u1ea7u c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng ch\u1eadm \u1ed5n \u0111\u1ecbnh trong m\u1ed9t l\u01b0\u1edbi \u0111i\u1ec7n t\u01b0\u01a1ng \u0111\u1ed1i s\u1ea1ch \u2013 n\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 l\u1ef1a ch\u1ecdn m\u1eb7c \u0111\u1ecbnh cho m\u1ecdi tr\u01b0\u1eddng h\u1ee3p.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"choosing-lv-capacitor-hardware-and-next-steps\">L\u1ef1a ch\u1ecdn ph\u1ea7n c\u1ee9ng t\u1ee5 \u0111i\u1ec7n h\u1ea1 th\u1ebf v\u00e0 c\u00e1c b\u01b0\u1edbc ti\u1ebfp theo<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u0110\u1ed1i v\u1edbi c\u00e1c t\u1ed5 h\u1ee3p thi\u1ebft b\u1ecb \u0111i\u1ec7n h\u1ea1 \u00e1p, h\u00e3y b\u1eaft \u0111\u1ea7u v\u1edbi c\u00e1c kh\u1ed1i t\u1ee5 b\u00f9 song song \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m ch\u1ee9ng v\u00e0 thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft c\u00f3 \u0111i\u1ec1u khi\u1ec3n, sau \u0111\u00f3 m\u1edf t\u00e0i li\u1ec7u v\u1ec1 c\u00e1ch t\u00ednh k\u00edch th\u01b0\u1edbc tr\u01b0\u1edbc khi b\u1ea1n ch\u1ed1t t\u1ed5ng s\u1ed1 kvar.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\"><a href=\"https:\/\/cnbygele.com\/vi\/reactive-power-compensator\/\">Trung t\u00e2m b\u00f9 c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng c\u1ee7a CNBYG<\/a> nh\u00f3m c\u00e1c b\u1ed9 ph\u1eadn th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n c\u00f9ng nhau trong m\u1ed9t t\u1ee7 \u0111i\u1ec7n h\u1ea1 th\u1ebf (LV bank): c\u00e1c b\u1ed9 ph\u1eadn t\u1ee5 b\u00f9, c\u00e1c module t\u1ee5 th\u00f4ng minh, cu\u1ed9n kh\u00e1ng l\u1ecdc s\u00f3ng h\u00e0i, b\u1ed9 \u0111i\u1ec1u khi\u1ec3n v\u00e0 c\u00e1c ph\u1ee5 ki\u1ec7n \u0111\u00f3ng c\u1eaft. <a href=\"https:\/\/cnbygele.com\/vi\/product\/by81-series-intelligent-capacitors\/\">T\u1ee5 \u0111i\u1ec7n th\u00f4ng minh d\u00f2ng BY81<\/a> k\u1ebft h\u1ee3p \u0111o l\u01b0\u1eddng v\u00e0 \u0111i\u1ec1u khi\u1ec3n v\u1edbi chuy\u1ec3n m\u1ea1ch qua \u0111i\u1ec3m kh\u00f4ng \u0111\u1ed3ng b\u1ed9 \u0111\u1ec3 c\u00e1c b\u01b0\u1edbc c\u00f3 th\u1ec3 \u0111\u00f3ng t\u1ea3i m\u00e0 kh\u00f4ng b\u1ecb d\u00f2ng \u0111i\u1ec7n xung k\u00edch kh\u00f4ng ki\u1ec3m so\u00e1t nh\u01b0 khi \u0111\u00f3ng c\u1eaft b\u1eb1ng kh\u1edfi \u0111\u1ed9ng t\u1eeb th\u00f4ng th\u01b0\u1eddng.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\"><a href=\"https:\/\/cnbygele.com\/vi\/product\/bsmjparallel-series-self-healing-low-voltage-parallel-capacitors\/\">T\u1ee5 b\u00f9 t\u1ef1 ph\u1ee5c h\u1ed3i BSMJ<\/a> C\u00e1c thi\u1ebft b\u1ecb n\u00e0y cung c\u1ea5p c\u00e1c kh\u1ed1i m\u00e0ng kim lo\u1ea1i h\u00f3a m\u00e0 nhi\u1ec1u t\u1ee7 \u0111i\u1ec7n v\u1eabn s\u1eed d\u1ee5ng l\u00e0m l\u00f5i b\u00f9 c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng kvar. Tr\u01b0\u1eddng h\u1ee3p s\u00f3ng h\u00e0i \u0111\u00f2i h\u1ecfi ph\u1ea3i ch\u1ec9nh t\u1ea7n s\u1ed1 l\u1ec7ch (detuning), h\u00e3y gh\u00e9p n\u1ed1i c\u00e1c t\u1ee5 \u0111i\u1ec7n v\u1edbi m\u1ed9t cu\u1ed9n kh\u00e1ng m\u1eafc n\u1ed1i ti\u1ebfp ch\u1eb3ng h\u1ea1n nh\u01b0 <a href=\"https:\/\/cnbygele.com\/vi\/product\/cksg-series-low-voltage-series-reactors\/\">D\u00f2ng CKSG<\/a>.<\/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\" alt=\"T\u1ee5 \u0111i\u1ec7n th\u00f4ng minh d\u00f2ng BY81 d\u00f9ng cho t\u1ee7 b\u00f9 c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng h\u1ea1 th\u1ebf\" src=\"https:\/\/cnbygele.com\/wp-content\/uploads\/2026\/08\/what-are-capacitor-banks-by81-1.webp\" \/><\/figure>\n<p style=\"margin:0 0 16px;line-height:1.7\">Kh\u00f4ng c\u00f3 trang s\u1ea3n ph\u1ea9m n\u00e0o trong s\u1ed1 \u0111\u00f3 thay th\u1ebf cho vi\u1ec7c \u0111o \u0111\u1ea1c th\u1ef1c t\u1ebf t\u1ea1i c\u00f4ng tr\u00ecnh ho\u1eb7c b\u1ea3ng t\u00ednh kvar. Khi b\u1ea1n \u0111\u00e3 s\u1eb5n s\u00e0ng \u0111\u1ec3 c\u00f3 c\u00e1c s\u1ed1 li\u1ec7u c\u1ee5 th\u1ec3, h\u00e3y ti\u1ebfp t\u1ee5c \u0111\u1ebfn <a href=\"https:\/\/cnbygele.com\/vi\/blog\/capacitor-bank-sizing-for-power-factor-correction\/\">t\u00ednh to\u00e1n dung l\u01b0\u1ee3ng t\u1ee5 b\u00f9 cho vi\u1ec7c n\u00e2ng cao h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t<\/a>. S\u1eed d\u1ee5ng trang \u0111\u1ecbnh ngh\u0129a n\u00e0y \u0111\u1ec3 gi\u1eef cho t\u1eeb v\u1ef1ng, c\u00e1c l\u1ef1a ch\u1ecdn s\u1eafp x\u1ebfp v\u00e0 ranh gi\u1edbi h\u00f2a \u00e2m \u0111\u01b0\u1ee3c nh\u1ea5t qu\u00e1n trong khi c\u00f4ng vi\u1ec7c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc \u0111\u00f3 ti\u1ebfn h\u00e0nh.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"faq\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n<h3 style=\"margin:28px 0 12px\">S\u1ef1 kh\u00e1c nhau gi\u1eefa t\u1ee5 \u0111i\u1ec7n (capacitor) v\u00e0 d\u00e3y t\u1ee5 \u0111i\u1ec7n (capacitor bank) l\u00e0 g\u00ec?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">M\u1ed9t t\u1ee5 \u0111i\u1ec7n c\u00f4ng su\u1ea5t \u0111\u01a1n l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb k\u00edn \u0111\u01a1n l\u1ebb v\u1edbi \u0111i\u1ec7n \u00e1p danh \u0111\u1ecbnh v\u00e0 c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng (kvar) \u0111\u1ecbnh m\u1ee9c tr\u00ean nh\u00e3n. M\u1ed9t d\u00e3y t\u1ee5 \u0111i\u1ec7n l\u00e0 m\u1ed9t t\u1eadp h\u1ee3p g\u1ed3m nhi\u1ec1u thi\u1ebft b\u1ecb \u2014 c\u1ed9ng v\u1edbi khung, v\u1ecf, c\u1ea7u ch\u00ec, c\u00f4ng t\u1eafc v\u00e0 th\u01b0\u1eddng l\u00e0 m\u1ed9t b\u1ed9 \u0111i\u1ec1u khi\u1ec3n \u2014 \u0111\u01b0\u1ee3c n\u1ed1i d\u00e2y sao cho nh\u00f3m n\u00e0y \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c t\u1ed5ng nhu c\u1ea7u v\u1ec1 \u0111i\u1ec7n \u00e1p v\u00e0 kvar c\u1ee7a \u1ee9ng d\u1ee5ng.<\/p>\n<h3 style=\"margin:28px 0 12px\">T\u1ea1i sao c\u00e1c nh\u00e0 m\u00e1y l\u1ea1i l\u1eafp \u0111\u1eb7t t\u1ee5 b\u00f9?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">C\u00e1c d\u00e0n t\u1ee5 \u0111i\u1ec7n \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t \u0111\u1ec3 cung c\u1ea5p c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng c\u1ee5c b\u1ed9 cho c\u00e1c t\u1ea3i c\u1ea3m \u1ee9ng, n\u00e2ng cao h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t, gi\u1ea3m d\u00f2ng \u0111i\u1ec7n kh\u00f4ng c\u1ea7n thi\u1ebft trong c\u00e1c \u0111\u01b0\u1eddng d\u00e2y c\u1ea5p \u0111i\u1ec7n v\u00e0 m\u00e1y bi\u1ebfn \u00e1p, \u0111\u1ed3ng th\u1eddi \u2014 khi \u00e1p d\u1ee5ng bi\u1ec3u gi\u00e1 \u2014 tr\u00e1nh c\u00e1c kho\u1ea3n ph\u00ed do h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t th\u1ea5p m\u00e0 nhi\u1ec1u c\u00f4ng ty \u0111i\u1ec7n l\u1ef1c c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng \u0111\u1ed1i v\u1edbi m\u1ee9c d\u01b0\u1edbi kho\u1ea3ng 0,95.<\/p>\n<h3 style=\"margin:28px 0 12px\">T\u1ee5 \u0111i\u1ec7n b\u00f9 c\u00f3 gi\u1ed1ng v\u1edbi vi\u1ec7c hi\u1ec7u ch\u1ec9nh h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t kh\u00f4ng?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">B\u1ed9 t\u1ee5 \u0111i\u1ec7n l\u00e0 m\u1ed9t trong nh\u1eefng ph\u1ea7n c\u1ee9ng ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho vi\u1ec7c b\u00f9 c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng m\u1eafc song song, nh\u01b0ng \u201cb\u00f9 c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng\u201d l\u00e0 m\u1ee5c ti\u00eau c\u1ee7a h\u1ec7 th\u1ed1ng. Vi\u1ec7c b\u00f9 c\u0169ng c\u00f3 th\u1ec3 li\u00ean quan \u0111\u1ebfn quy tr\u00ecnh v\u1eadn h\u00e0nh, c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c, ho\u1eb7c h\u1ed7 tr\u1ee3 c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng d\u1ef1a tr\u00ean \u0111i\u1ec7n t\u1eed. Xem th\u00eam <a href=\"https:\/\/cnbygele.com\/vi\/blog\/what-is-reactive-power-compensation-key-concepts-explained\/\">b\u00f9 c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng<\/a>.<\/p>\n<h3 style=\"margin:28px 0 12px\">C\u1ed1 \u0111\u1ecbnh hay t\u1ef1 \u0111\u1ed9ng \u2014 lo\u1ea1i n\u00e0o ph\u00f9 h\u1ee3p v\u1edbi t\u1ea3i tr\u1ecdng \u0111\u1ed9ng c\u01a1 thay \u0111\u1ed5i?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">M\u1ed9t d\u00e3y t\u1ee5 \u0111i\u1ec7n c\u1ed1 \u0111\u1ecbnh ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ea3m kh\u00e1ng t\u01b0\u01a1ng \u0111\u1ed1i \u1ed5n \u0111\u1ecbnh. M\u1ed9t d\u00e3y t\u1ee5 \u0111i\u1ec7n t\u1ef1 \u0111\u1ed9ng th\u00eam v\u00e0 b\u1edbt c\u00e1c b\u01b0\u1edbc c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng (kvar) khi t\u1ea3i s\u1ea3n xu\u1ea5t thay \u0111\u1ed5i \u0111\u1ec3 c\u01a1 s\u1edf kh\u00f4ng b\u1ecb b\u00f9 th\u1eeba ho\u1eb7c b\u00f9 thi\u1ebfu trong c\u00e1c ca l\u00e0m vi\u1ec7c.<\/p>\n<h3 style=\"margin:28px 0 12px\">T\u1ee5 b\u00f9 c\u00f3 th\u1ec3 g\u00e2y ra v\u1ea5n \u0111\u1ec1 s\u00f3ng h\u00e0i kh\u00f4ng?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">V\u00e2ng. C\u00f9ng v\u1edbi \u0111i\u1ec7n c\u1ea3m c\u1ee7a h\u1ec7 th\u1ed1ng, m\u1ed9t t\u1ee5 b\u00f9 c\u00f3 th\u1ec3 t\u1ea1o ra hi\u1ec7n t\u01b0\u1ee3ng c\u1ed9ng h\u01b0\u1edfng s\u00f3ng h\u00e0i song song g\u1ea7n m\u1ed9t t\u1ea7n s\u1ed1 s\u00f3ng h\u00e0i.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">\u1ede c\u00e1c nh\u00e0 m\u00e1y c\u00f3 h\u00e0m l\u01b0\u1ee3ng VFD cao, t\u00ecnh tr\u1ea1ng \u0111\u00f3 bi\u1ec3u hi\u1ec7n b\u1eb1ng hi\u1ec7n t\u01b0\u1ee3ng qu\u00e1 nhi\u1ec7t, \u0111\u1ee9t c\u1ea7u ch\u00ec, ti\u1ebfng \u1ed3n ho\u1eb7c \u0111\u1ed9 m\u00e9o ng\u00e0y c\u00e0ng t\u0103ng. M\u1ed9t d\u00e3y t\u1ee5 \u0111i\u1ec7n \u0111\u01b0\u1ee3c ch\u1ec9nh t\u1ea7n s\u1ed1, b\u1ed9 l\u1ecdc ho\u1eb7c c\u00e1c c\u00f4ng ngh\u1ec7 Q thay th\u1ebf s\u1ebd gi\u1ea3i quy\u1ebft r\u1ee7i ro \u0111\u00f3 sau khi \u0111o \u0111\u1ea1c.<\/p>\n<h3 style=\"margin:28px 0 12px\">Ng\u00e2n h\u00e0ng n\u00ean k\u1ebft n\u1ed1i \u1edf v\u1ecb tr\u00ed n\u00e0o trong nh\u00e0 m\u00e1y?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">T\u1eadp trung t\u1ea1i b\u1ea3ng \u0111i\u1ec7n ch\u00ednh, nh\u00f3m l\u1ea1i t\u1ea1i c\u00e1c t\u1ee7 ph\u00e2n ph\u1ed1i, ho\u1eb7c c\u1ee5c b\u1ed9 t\u1ea1i c\u00e1c m\u00e1y l\u1edbn l\u00e0 ba m\u00f4 h\u00ecnh c\u1ed5 \u0111i\u1ec3n. H\u00e3y l\u1ef1a ch\u1ecdn d\u1ef1a tr\u00ean v\u1ecb tr\u00ed t\u1eadp trung nhu c\u1ea7u c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng v\u00e0 m\u1ee9c \u0111\u1ed9 dao \u0111\u1ed9ng \u0111i\u1ec7n \u00e1p thanh c\u00e1i m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn khi c\u00e1c b\u01b0\u1edbc chuy\u1ec3n m\u1ea1ch.<\/p>\n<h3 style=\"margin:28px 0 12px\">L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u00ednh to\u00e1n k\u00edch th\u01b0\u1edbc kvar?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">S\u1eed d\u1ee5ng c\u00f4ng su\u1ea5t th\u1ef1c t\u1ebf \u0111\u00e3 \u0111o v\u00e0 c\u00e1c g\u00f3c h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t hi\u1ec7n t\u1ea1i so v\u1edbi m\u1ee5c ti\u00eau\u2014ho\u1eb7c m\u1ed9t b\u1ea3ng t\u00ednh t\u01b0\u01a1ng \u0111\u01b0\u01a1ng\u2014tr\u00ean trang chuy\u00ean d\u1ee5ng c\u1ee7a ch\u00fang t\u00f4i <a href=\"https:\/\/cnbygele.com\/vi\/blog\/capacitor-bank-sizing-for-power-factor-correction\/\">t\u00ednh to\u00e1n dung l\u01b0\u1ee3ng t\u1ee5 b\u00f9<\/a> B\u00e0i vi\u1ebft \u0111\u1ecbnh ngh\u0129a n\u00e0y c\u1ed1 \u00fd kh\u00f4ng l\u1eb7p l\u1ea1i ph\u1ea7n to\u00e1n h\u1ecdc \u0111\u00f3.<\/p>\n<h3 style=\"margin:28px 0 12px\">Khi n\u00e0o t\u00f4i n\u00ean c\u00e2n nh\u1eafc s\u1eed d\u1ee5ng t\u1ee5 \u0111i\u1ec7n th\u00f4ng minh ho\u1eb7c cu\u1ed9n kh\u00e1ng l\u1ecdc s\u00f3ng h\u00e0i?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">H\u00e3y c\u00e2n nh\u1eafc s\u1eed d\u1ee5ng m\u1ed9t m\u00f4-\u0111un t\u1ee5 \u0111i\u1ec7n th\u00f4ng minh khi b\u1ea1n c\u1ea7n t\u00edch h\u1ee3p c\u1ea3m bi\u1ebfn v\u00e0 chuy\u1ec3n m\u1ea1ch \u0111i\u1ec3m kh\u00f4ng c\u00f3 \u0111i\u1ec1u khi\u1ec3n trong t\u1ee7 h\u1ea1 th\u1ebf. Th\u00eam m\u1ed9t cu\u1ed9n kh\u00e1ng n\u1ed1i ti\u1ebfp khi c\u00e1c ph\u00e9p \u0111o s\u00f3ng h\u00e0i cho th\u1ea5y nguy c\u01a1 c\u1ed9ng h\u01b0\u1edfng v\u1edbi c\u00e1c c\u1ea5p t\u1ee5 \u0111i\u1ec7n th\u00f4ng th\u01b0\u1eddng. Xem x\u00e9t c\u00e1c t\u00f9y ch\u1ecdn t\u1eeb <a href=\"https:\/\/cnbygele.com\/vi\/reactive-power-compensator\/\">b\u1ed9 b\u00f9 c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng<\/a> trung t\u00e2m tr\u01b0\u1edbc khi \u0111\u00f3ng b\u0103ng \u0111\u1ecbnh m\u1ee9c v\u1eadt t\u01b0.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"references\">T\u00e0i li\u1ec7u tham kh\u1ea3o<\/h2>\n<ol style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/www.energy.gov\/sites\/prod\/files\/2014\/04\/f15\/mc60405.pdf\" rel=\"nofollow noopener\" target=\"_blank\">B\u1ed9 N\u0103ng l\u01b0\u1ee3ng Hoa K\u1ef3 \u2014 Gi\u1ea3m chi ph\u00ed h\u1ec7 s\u1ed1 c\u00f4ng su\u1ea5t<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/technav.ieee.org\/topic\/capacitor-banks\/\" rel=\"nofollow noopener\" target=\"_blank\">Tr\u00ecnh \u0111i\u1ec1u h\u01b0\u1edbng C\u00f4ng ngh\u1ec7 IEEE \u2014 T\u1ee5 \u0111i\u1ec7n gh\u00e9p (Capacitor Banks)<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/www.electricaltechnology.org\/2018\/01\/capacitor-banks-characteristics-and-applications.html\" rel=\"nofollow noopener\" target=\"_blank\">C\u00f4ng ngh\u1ec7 \u0111i\u1ec7n \u2014 \u0110\u1eb7c \u0111i\u1ec3m v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a t\u1ee5 b\u00f9<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/standards.ieee.org\/ieee\/1036\/5912\/\" rel=\"nofollow noopener\" target=\"_blank\">IEEE SA \u2014 H\u01b0\u1edbng d\u1eabn \u00e1p d\u1ee5ng t\u1ee5 \u0111i\u1ec7n c\u00f4ng su\u1ea5t m\u1eafc song song IEEE 1036-2020<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/ipqdf.com\/pq-info\/harmonics\/harmonics-and-power-factor-capacitors-understanding-failure-resonance-and-the-filter-solution\/\" rel=\"nofollow noopener\" target=\"_blank\">IPQDF \u2014 S\u00f3ng h\u00e0i v\u00e0 T\u1ee5 b\u00f9 c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng<\/a><\/li>\n<\/ol>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>T\u00ecm hi\u1ec3u t\u1ee5 b\u00f9 l\u00e0 g\u00ec, c\u00e1ch ch\u00fang cung c\u1ea5p c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng cho nh\u00e0 m\u00e1y, c\u00e1c lo\u1ea1i ch\u00ednh n\u00e0o ph\u00f9 h\u1ee3p, v\u00e0 khi n\u00e0o s\u00f3ng h\u00e0i l\u00e0m thay \u0111\u1ed5i l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb.<\/p>","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_gspb_post_css":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-2443","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\/2443","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=2443"}],"version-history":[{"count":1,"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/posts\/2443\/revisions"}],"predecessor-version":[{"id":2529,"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/posts\/2443\/revisions\/2529"}],"wp:attachment":[{"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/media?parent=2443"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/categories?post=2443"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cnbygele.com\/vi\/wp-json\/wp\/v2\/tags?post=2443"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}