{"id":2443,"date":"2026-08-20T07:00:00","date_gmt":"2026-08-19T23:00:00","guid":{"rendered":"https:\/\/cnbygele.com\/?p=2443"},"modified":"2026-08-21T06:38:19","modified_gmt":"2026-08-20T22:38:19","slug":"what-are-capacitor-banks","status":"publish","type":"post","link":"https:\/\/cnbygele.com\/ru\/blog\/what-are-capacitor-banks\/","title":{"rendered":"\u0427\u0442\u043e \u0442\u0430\u043a\u043e\u0435 \u043a\u043e\u043d\u0434\u0435\u043d\u0441\u0430\u0442\u043e\u0440\u043d\u044b\u0435 \u0431\u0430\u0442\u0430\u0440\u0435\u0438?"},"content":{"rendered":"<div class=\"b2b-article\">\n<p style=\"margin:0 0 16px;line-height:1.7\"><strong>what are capacitor banks<\/strong> are assemblies of multiple power-capacitor units connected in series, parallel, or both so the group meets a target voltage rating and reactive-power (kvar) output. Plants usually connect that assembly in shunt with a bus or load to supply local reactive power and improve power factor.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">This guide covers the plant role, how leading current offsets inductive motors, high-level types, placement choices, and when harmonics make a plain bank the wrong first move. For kvar sizing math, open our separate <a href=\"https:\/\/cnbygele.com\/ru\/blog\/capacitor-bank-sizing-for-power-factor-correction\/\">capacitor bank sizing for power factor correction<\/a> article instead of treating this page as a calculator.<\/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\">\u0421\u043e\u0434\u0435\u0440\u0436\u0430\u043d\u0438\u0435<\/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\">What a Capacitor Bank Is<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#the-role-of-capacitor-banks-in-a-plant-electrical-system\">The Role of Capacitor Banks in a Plant Electrical System<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#how-capacitor-banks-supply-reactive-power\">How Capacitor Banks Supply Reactive Power<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#common-capacitor-bank-types-at-a-high-level\">Common Capacitor Bank Types at a High Level<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#where-capacitor-banks-sit-in-a-plant\">Where Capacitor Banks Sit in a Plant<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#limits-harmonics-and-when-a-bank-is-the-wrong-first-move\">Limits, Harmonics, and When a Bank Is the Wrong First Move<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#choosing-lv-capacitor-hardware-and-next-steps\">Choosing LV Capacitor Hardware and Next Steps<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#faq\">\u0427\u0430\u0441\u0442\u043e \u0437\u0430\u0434\u0430\u0432\u0430\u0435\u043c\u044b\u0435 \u0432\u043e\u043f\u0440\u043e\u0441\u044b<\/a><\/li>\n<\/ul>\n<\/nav>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"what-a-capacitor-bank-is\">What a Capacitor Bank Is<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">A capacitor bank is not a single can with two terminals\u2014it is an engineered grouping of capacitor units arranged so voltage capability and kvar add up to what the application needs.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">Each unit stores energy in an electric field between conductors separated by a dielectric. Series strings raise the voltage the assembly can withstand. Parallel paths raise the total reactive power.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">The finished bank may sit in an open rack, a metal enclosure, a pole frame, or a low-voltage compensation cabinet.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">In plant language you will also hear <strong>shunt capacitor bank<\/strong> or power factor capacitor bank. A <strong>shunt connection<\/strong> means the bank sits in parallel with the load or bus\u2014the usual industrial pattern. Series banks that sit in-line with a long transmission circuit solve a different utility problem and stay outside this LV plant conversation.<\/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=\"Industrial low-voltage capacitor bank modules staged beside plant switchgear\" 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\">The Role of Capacitor Banks in a Plant Electrical System<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Capacitor banks exist in plants mainly for <strong>capacitor bank power factor correction<\/strong>: they supply reactive power locally so inductive equipment does not pull as much lagging current through upstream transformers, cables, and utility feeders.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">Motors, transformers, and many lighting ballasts need magnetizing current. That current does little useful mechanical or thermal work, yet it still counts in apparent power (kVA). Power factor\u2014real power divided by apparent power\u2014falls when that lagging reactive demand is large.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">Many U.S. utilities may assess extra charges when site power factor sits below about 0.95. Even without a line-item penalty, the extra current still stresses plant gear.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">When a correctly applied bank injects leading reactive support near those loads, the utility and the plant\u2019s main transformers see a smaller reactive component. Feeder current can drop for the same kilowatt process load, and released transformer capacity becomes available for production growth.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">If you still need the broader idea of compensation itself, start with <a href=\"https:\/\/cnbygele.com\/ru\/blog\/what-is-reactive-power-compensation-key-concepts-explained\/\">what is reactive power compensation<\/a>, then return here for the bank-as-equipment view.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"how-capacitor-banks-supply-reactive-power\">How Capacitor Banks Supply Reactive Power<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Capacitor banks supply reactive power by drawing a leading current that offsets the lagging current demanded by inductive loads.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">On an AC bus, an ideal capacitor\u2019s current leads its terminal voltage by about ninety degrees. An induction motor\u2019s magnetizing current lags voltage. Place the capacitor in shunt with the motor feeder or a shared bus and the two reactive currents partly cancel.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">Real power still flows to the shaft. The \u201csideways\u201d reactive exchange happens more locally between motor and capacitor instead of being hauled all the way from the utility generator.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">Think of reactive power as the portion of current that keeps magnetic fields alive. The bank becomes a local reservoir for that exchange. Controllers and switches decide how many steps of that reservoir are online as plant load changes.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">Deep kvar selection, tan\u03c6 tables, and target-PF worksheets belong on the live sizing guide linked above. This section only locks the mechanism so later type and risk choices make sense.<\/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=\"Modular capacitor units assembled on a rack as a shunt bank\" 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\">Common Capacitor Bank Types at a High Level<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Most project conversations sort capacitor banks by how they are controlled and whether they include harmonic detuning\u2014not by brand logos.<\/p>\n<div class=\"b2b-table-scroll\" role=\"region\" aria-label=\"Scrollable data table\" 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\">\u0422\u0438\u043f<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">What you get<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Typical fit<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Fixed capacitor bank<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">A set kvar block that stays energized whenever the circuit is live<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Steady inductive load that rarely swings<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Automatic capacitor bank<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Multiple steps switched by a power-factor or kvar controller<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Shifts, batch processes, or daily load profiles<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Detuned capacitor bank<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Capacitor steps plus series reactors that move resonance below common harmonics<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Plants with VFDs, rectifiers, or other nonlinear loads<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p style=\"margin:0 0 16px;line-height:1.7\">Packaging labels on utility or MV projects\u2014open-air racks, metal-enclosed assemblies, pole-mounted frames, or mobile trailers\u2014describe enclosure and mounting, not a different electrical purpose. Low-voltage industrial sites more often meet the same idea as cabinet-mounted steps with contactors or semiconductor switches, sometimes integrated into <a href=\"https:\/\/cnbygele.com\/ru\/intelligent-capacitor\/\">intelligent capacitor<\/a> modules.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">Protection style (internally fused, externally fused, or fuseless constructions on MV racks) matters for maintenance and fault behavior. It does not change the reader\u2019s first question: is this a fixed capacitor bank, an automatic capacitor bank, or a detuned capacitor bank?<\/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=\"LV compensation cabinet with capacitor steps beside a plant MCC\" 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\">Where Capacitor Banks Sit in a Plant<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Capacitor banks sit where the reactive problem is concentrated enough to justify the hardware\u2014and where switching will not surprise sensitive equipment.<\/p>\n<div class=\"b2b-table-scroll\" role=\"region\" aria-label=\"Scrollable data table\" 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\">Placement<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Connection idea<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Strength<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Watch-out<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">\u0426\u0435\u043d\u0442\u0440\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u043d\u044b\u0439<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Near the main incoming switchboard or main LV bus<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">One package, one controller, easy to see on a one-line<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">May miss remote load centers; larger steps can swing the whole bus<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Group \/ decentralized<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">At distribution boards feeding clusters of motors<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Matches reactive demand closer to the loads that create it<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">More panels to maintain and coordinate<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Local<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">At a large compressor, mill, or other dominant inductive machine<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Corrects the worst offender with minimal upstream traffic<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Many small banks add cost if every motor gets its own<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p style=\"margin:0 0 16px;line-height:1.7\">Procurement teams often start centralized because the quote looks simple. Process engineers sometimes prefer local banks on the largest motors so the main bus never carries that magnetizing current.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">Mixed plants use both: a modest main bank plus local correction on a few heavy machines. The right map depends on measured load profiles, not on a universal slogan.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"limits-harmonics-and-when-a-bank-is-the-wrong-first-move\">Limits, Harmonics, and When a Bank Is the Wrong First Move<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">A capacitor bank can backfire when switching transients or parallel <strong>harmonic resonance<\/strong> with nonlinear loads overstress the dielectric, fuses, and nearby drives.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">Energizing a bank is not a soft event. Inrush and voltage disturbances appear as the capacitance meets system inductance. Back-to-back switching\u2014closing one bank while another is already online on the same bus\u2014can be harsher still.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">Controllers, pre-insertion impedance, or zero-crossing switching exist specifically to tame that stress.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">Harmonics change the story further. Nonlinear loads (variable-frequency drives, welders, UPS front ends) inject currents at multiples of 60 Hz. Capacitive impedance falls as frequency rises, so those currents prefer the bank.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">If the bank and the supply inductance resonate near a characteristic harmonic (often the 5th or 7th), voltage distortion can climb, fuses can run hot, and capacitors can fail early.<\/p>\n<blockquote>\n<p style=\"margin:0 0 16px;line-height:1.7\"><strong>\u0418\u0437 \u043f\u043e\u043b\u044f:<\/strong> Plant discussions on professional forums describe automatic PF stages that produce loud humming, overheating reactors or capacitors, and blown fuses\u2014sometimes severe enough that operators leave the equipment off \u201cdue to fear of fire.\u201d That language is a warning about resonance and nonlinear loads, not a reason to abandon power-factor correction entirely. \u2014 source note: Mike Holt Power Quality Issue thread (research extract; not linked because automated fetches often return 403)<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\"><strong>\u0412\u0430\u0436\u043d\u043e:<\/strong> Do not treat a plain, undetuned bank as harmless on a VFD-heavy bus just because the displacement power factor looks low on a billing summary. Measure voltage and current distortion, review resonance risk, and consider a <a href=\"https:\/\/cnbygele.com\/ru\/product\/cksg-series-low-voltage-series-reactors\/\">series reactor<\/a> with the capacitors\u2014or a different reactive-power technology\u2014before adding steps. \u2014 source: <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 harmonics and power factor capacitors<\/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=\"Detuned capacitor and series reactor context in an industrial cabinet\" 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\">When loads swing fast, when bidirectional vars are required, or when harmonic spectra keep shifting, electronics-based options such as an SVG may fit better than another capacitor step. The bank remains a strong, economical tool for steady lagging reactive demand in a clean enough network\u2014it is not a universal default.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"choosing-lv-capacitor-hardware-and-next-steps\">Choosing LV Capacitor Hardware and Next Steps<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">For low-voltage plant assemblies, start with proven shunt capacitor building blocks and controlled switching, then open the sizing article before you freeze kvar totals.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\"><a href=\"https:\/\/cnbygele.com\/ru\/reactive-power-compensator\/\">CNBYG\u2019s reactive power compensator hub<\/a> groups the parts that usually appear together in an LV bank: shunt capacitor units, intelligent capacitor modules, series reactors, controllers, and switching accessories. The <a href=\"https:\/\/cnbygele.com\/ru\/product\/by81-series-intelligent-capacitors\/\">BY81 series intelligent capacitors<\/a> combine measurement and control with synchronous zero-crossing switching so steps can engage without the uncontrolled inrush of a naive contactor slam.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\"><a href=\"https:\/\/cnbygele.com\/ru\/product\/bsmjparallel-series-self-healing-low-voltage-parallel-capacitors\/\">BSMJ self-healing shunt capacitor<\/a> units provide the metallized-film building blocks many cabinets still use as the kvar core. Where harmonics require detuning, pair capacitors with a series reactor such as the <a href=\"https:\/\/cnbygele.com\/ru\/product\/cksg-series-low-voltage-series-reactors\/\">CKSG series<\/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=\"BY81 series intelligent capacitors for LV reactive power assemblies\" 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\">None of those product pages replaces a site measurement or the kvar worksheet. When you are ready for numbers, continue to <a href=\"https:\/\/cnbygele.com\/ru\/blog\/capacitor-bank-sizing-for-power-factor-correction\/\">capacitor bank sizing for power factor correction<\/a>. Use this definition page to keep the vocabulary, placement choices, and harmonic boundaries straight while that sizing work proceeds.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"faq\">\u0427\u0430\u0441\u0442\u043e \u0437\u0430\u0434\u0430\u0432\u0430\u0435\u043c\u044b\u0435 \u0432\u043e\u043f\u0440\u043e\u0441\u044b<\/h2>\n<h3 style=\"margin:28px 0 12px\">What is the difference between a capacitor and a capacitor bank?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">A single power capacitor is one sealed unit with a nameplate voltage and kvar rating. A capacitor bank is the assembly of multiple units\u2014plus the frame, enclosure, fuses, switches, and often a controller\u2014wired so the group meets the application\u2019s total voltage and kvar need.<\/p>\n<h3 style=\"margin:28px 0 12px\">Why do plants install capacitor banks?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Plants install banks to supply local reactive power for inductive loads, raise power factor, reduce unnecessary current in feeders and transformers, and\u2014where tariffs apply\u2014avoid low power-factor charges that many utilities may assess below about 0.95.<\/p>\n<h3 style=\"margin:28px 0 12px\">Are capacitor banks the same as power factor correction?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">A capacitor bank is one of the most common pieces of hardware used for shunt power-factor correction, but \u201cpower factor correction\u201d is the system goal. Correction can also involve operating practices, other equipment, or electronics-based reactive support. See also <a href=\"https:\/\/cnbygele.com\/ru\/blog\/what-is-reactive-power-compensation-key-concepts-explained\/\">what is reactive power compensation<\/a>.<\/p>\n<h3 style=\"margin:28px 0 12px\">Fixed or automatic \u2014 which fits varying motor loads?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">A fixed capacitor bank suits relatively steady inductive demand. An automatic capacitor bank adds and removes kvar steps as production load changes so the site does not stay over- or under-compensated across shifts.<\/p>\n<h3 style=\"margin:28px 0 12px\">Can a capacitor bank create harmonic problems?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Yes. Together with system inductance, a bank can form parallel harmonic resonance near a harmonic frequency.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">In VFD-rich plants that shows up as overheating, fuse operations, noise, or rising distortion. A detuned capacitor bank, filters, or alternate Q technologies address that risk after measurement.<\/p>\n<h3 style=\"margin:28px 0 12px\">Where should the bank connect in a plant?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Centralized at the main board, grouped at distribution boards, or local at large machines are the three classic patterns. Choose based on where reactive demand concentrates and how much bus voltage swing you can tolerate when steps switch.<\/p>\n<h3 style=\"margin:28px 0 12px\">How do I calculate kvar size?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Use measured real power and the present versus target power-factor angles\u2014or an equivalent worksheet\u2014on our dedicated <a href=\"https:\/\/cnbygele.com\/ru\/blog\/capacitor-bank-sizing-for-power-factor-correction\/\">capacitor bank sizing<\/a> page. This definition article intentionally does not restate that math.<\/p>\n<h3 style=\"margin:28px 0 12px\">When should I consider an intelligent capacitor or detuned reactor?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Consider an intelligent capacitor module when you need integrated sensing and controlled zero-crossing switching in an LV cabinet. Add a series reactor when harmonic measurements show resonance risk with plain capacitor steps. Review options from the <a href=\"https:\/\/cnbygele.com\/ru\/reactive-power-compensator\/\">\u043a\u043e\u043c\u043f\u0435\u043d\u0441\u0430\u0442\u043e\u0440 \u0440\u0435\u0430\u043a\u0442\u0438\u0432\u043d\u043e\u0439 \u043c\u043e\u0449\u043d\u043e\u0441\u0442\u0438<\/a> hub before freezing a bill of materials.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"references\">\u0421\u0441\u044b\u043b\u043a\u0438<\/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\">U.S. Department of Energy \u2014 Reducing Power Factor Cost<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/technav.ieee.org\/topic\/capacitor-banks\/\" rel=\"nofollow noopener\" target=\"_blank\">IEEE Technology Navigator \u2014 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\">Electrical Technology \u2014 Capacitor Banks Characteristics and Applications<\/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 IEEE 1036-2020 Guide for the Application of Shunt Power Capacitors<\/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 Harmonics and Power Factor Capacitors<\/a><\/li>\n<\/ol>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>\u0423\u0437\u043d\u0430\u0439\u0442\u0435, \u0447\u0442\u043e \u0442\u0430\u043a\u043e\u0435 \u043a\u043e\u043d\u0434\u0435\u043d\u0441\u0430\u0442\u043e\u0440\u043d\u044b\u0435 \u0431\u0430\u0442\u0430\u0440\u0435\u0438, \u043a\u0430\u043a \u043e\u043d\u0438 \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u044e\u0442 \u043f\u0440\u0435\u0434\u043f\u0440\u0438\u044f\u0442\u0438\u0435 \u0440\u0435\u0430\u043a\u0442\u0438\u0432\u043d\u043e\u0439 \u043c\u043e\u0449\u043d\u043e\u0441\u0442\u044c\u044e, \u043a\u0430\u043a\u0438\u0435 \u0442\u0438\u043f\u044b \u043f\u043e\u0434\u0445\u043e\u0434\u044f\u0442 \u0434\u043b\u044f \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0445 \u0437\u0430\u0434\u0430\u0447 \u0438 \u043a\u043e\u0433\u0434\u0430 \u0433\u0430\u0440\u043c\u043e\u043d\u0438\u043a\u0438 \u0432\u043b\u0438\u044f\u044e\u0442 \u043d\u0430 \u0432\u044b\u0431\u043e\u0440 \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u044f.<\/p>","protected":false},"author":3,"featured_media":2462,"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","has-post-thumbnail","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\/ru\/wp-json\/wp\/v2\/posts\/2443","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cnbygele.com\/ru\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cnbygele.com\/ru\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cnbygele.com\/ru\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/cnbygele.com\/ru\/wp-json\/wp\/v2\/comments?post=2443"}],"version-history":[{"count":2,"href":"https:\/\/cnbygele.com\/ru\/wp-json\/wp\/v2\/posts\/2443\/revisions"}],"predecessor-version":[{"id":2474,"href":"https:\/\/cnbygele.com\/ru\/wp-json\/wp\/v2\/posts\/2443\/revisions\/2474"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cnbygele.com\/ru\/wp-json\/wp\/v2\/media\/2462"}],"wp:attachment":[{"href":"https:\/\/cnbygele.com\/ru\/wp-json\/wp\/v2\/media?parent=2443"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cnbygele.com\/ru\/wp-json\/wp\/v2\/categories?post=2443"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cnbygele.com\/ru\/wp-json\/wp\/v2\/tags?post=2443"}],"curies":[{"name":"\u0432\u043f","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}