Xov xwm

Muaj pes tsawg Reactive Power Compensation Methods Muaj?

Jun 15, 2024 Tso lus

Reactive fais fab nyiaj them, hu ua reactive them, plays lub luag hauj lwm nyob rau hauv kev txhim kho lub hwj chim ntawm lub hwj chim daim phiaj nyob rau hauv lub hwj chim mov system, txo qhov poob ntawm lub hwj chim mov transformers thiab kis kab, txhim kho lub hwj chim efficiency, thiab txhim kho lub hwj chim mov ib puag ncig. . Yog li ntawd, cov khoom siv hluav taws xob reactive yog nyob rau hauv qhov tseem ceeb thiab tseem ceeb heev nyob rau hauv lub hwj chim mov system.

Kev xaiv tsim nyog ntawm cov khoom siv them nyiaj tuaj yeem txo qis kev poob hauv network thiab txhim kho qhov zoo ntawm daim phiaj hluav taws xob. Ntawm qhov tsis sib xws, kev xaiv tsis raug lossis siv tsis raug yuav ua rau muaj ntau yam xws li cov khoom siv hluav taws xob, kev hloov hluav taws xob, thiab kev sib raug zoo ntxiv. Niaj hnub no, tus editor yuav qhia txog 13 hom kev siv hluav taws xob them nyiaj rov qab thiab lawv qhov zoo thiab qhov tsis zoo.

(1) Synchronous theem regulator

Lub hauv paus ntsiab lus: Synchronous motors khiav tsis muaj load, thiab emit inductive reactive zog thaum overexcited; nqus inductive reactive zog thaum underexcited;

Cov txiaj ntsig tseem ceeb: Nws tuaj yeem tso tawm lub zog inductive reactive thiab nqus inductive reactive zog;

Lub ntsiab tsis zoo: poob loj, suab nrov, qeeb teb ceev, thiab txoj kev tu qauv;

Muaj feem xyuam: Tseem muaj qee qhov kev siv tsawg hauv cov chaw tsim hluav taws xob.

(3) Kev them nyiaj rau ntawm qhov chaw

Lub hauv paus ntsiab lus: Feem ntau, lub capacitor txuas ncaj qha nyob rau hauv parallel nrog lub cev muaj zog transformer, thiab ob qho tib si sib koom lub txee hloov;

Cov txiaj ntsig tseem ceeb: kev them nyiaj kawg tuaj yeem txo cov kab poob;

Qhov tsis zoo tseem ceeb: ntau chav nyob thiab kev nqis peev loj;

Muaj feem xyuam: ntau daim ntawv thov hauv cov nroj tsuag dej thiab cov nroj tsuag cement;

(3) Centralized them nyiaj

Lub hauv paus ntsiab lus: Centrally nruab rau ntawm lub tsheb npav, feem ntau yog ib qho kev sib cais ntawm lub txee;

Cov txiaj ntsig tseem ceeb: Tag nrho cov chaw ua haujlwm substation tuaj yeem them rov qab, thiab kev nqis peev yog me me;

Qhov tsis zoo tseem ceeb: feem ntau kho cov nyiaj them poob haujlwm, kev them nyiaj ntau dhau tuaj yeem tshwm sim thaum lub load tsawg;

Muaj feem xyuam: haum rau lub tshuab nrog me me load fluctuations system;

(4) Tsis siv neeg them nyiaj (txheej txheem hloov pauv capacitor)

Lub hauv paus ntsiab lus: Siv cov khoom siv hluav taws xob hloov pauv (cov neeg tiv tauj, cov hluav taws xob hluav taws xob) los hloov cov khoom siv hluav taws xob raws li cov lus qhia ntawm lub hwj chim tswj;

Cov txiaj ntsig tseem ceeb: tuaj yeem hloov kho reactive zog tso zis kom lub zog reactive zog sib npaug, paub tab technology, me me hneev taw, tus nqi qis;

Lub ntsiab tsis zoo: lub sij hawm teb qeeb, txwv los ntawm lub sij hawm tso tawm capacitor;

Muaj feem xyuam: Tam sim no txoj kev them nyiaj tseem ceeb, ua tau raws li qhov xav tau ntawm cov neeg siv khoom lag luam feem ntau;

(5) Thyristor hloov capacitor

Lub hauv paus ntsiab lus: Siv thyristor valve pawg los hloov cov capacitors los ntawm xoom raws li cov lus qhia ntawm lub hwj chim yam tswj;

Cov txiaj ntsig tseem ceeb: Cov lus teb ceev ceev, tsis muaj kev cuam tshuam tam sim no, tsis muaj kev cuam tshuam;

Lub ntsiab qhov tsis zoo: cov hneev taw loj, tus nqi siab;

Muaj feem xyuam: feem ntau yog siv nyob rau hauv qhov chaw uas lub load hloov ceev, xws li cov chaw nres nkoj;

(6) Thyristor-tswj reactor

Lub hauv paus ntsiab lus: feem ntau yog tsim los ntawm ib qho kev sib txuas ruaj khov thiab cov khoom siv hluav taws xob sib txuas uas tswj tau los ntawm thyristor nyob rau hauv parallel, thiab cov inductive tam sim no tau hloov pauv los ntawm kev hloov lub kaum sab xis ntawm lub thyristor, yog li tswj cov reactive tawm ntawm tag nrho cov cuab yeej;

Cov txiaj ntsig tseem ceeb: cov lus teb ceev ceev, tsis muaj kev hloov pauv, tuaj yeem them nyiaj rau ob qho tib si capacitive reactive zog thiab inductive reactive zog;

Qhov tsis zoo tseem ceeb: cov hneev taw loj, tus nqi siab, thiab rau cov neeg siv khoom lag luam feem ntau, tsis tas yuav muaj zog inductive reactive;

Cov Sijhawm Siv Tau: feem ntau yog siv hauv cov hlau, hluav taws xob railways thiab lub zog xa hluav taws xob thiab kev hloov pauv;

(7) Magnetically tswj reactor

Lub hauv paus ntsiab lus: Lub inductor tam sim no raug hloov los ntawm kev tswj qhov loj ntawm qhov excitation tam sim no thiab saturation ntawm cov tub ntxhais los ntawm thyristor, yog li tswj cov reactive tawm ntawm tag nrho cov khoom;

Cov txiaj ntsig tseem ceeb: cov lus teb zoo, tsis muaj kev tswj hwm, kev them nyiaj bidirectional, tsis tshua muaj thyristor tiv taus qhov hluav taws xob, tsis xav tau ntau theem kev sib txuas, thiab me me kev sib haum xeeb;

Lub ntsiab tsis zoo: lub sij hawm teb qeeb me ntsis dua TCR, suab nrov;

Muaj feem xyuam: muaj qhov zoo dua hauv cov tshuab hluav taws xob siab;

(8) Kev them nyiaj Series

Lub hauv paus ntsiab lus: Series capacitor pawg yog siv los them nyiaj rau qhov inductance ntawm cov kab sib txuas los txhim kho lub peev xwm kis tau tus mob thiab ruaj khov ntawm cov kab. Series capacitors kuj tuaj yeem kho qhov kev faib tawm ntawm cov kab sib txuas;

Cov txiaj ntsig tseem ceeb: tuaj yeem them nyiaj rau cov kab hluav taws xob poob thiab txo cov kab poob;

Qhov tsis zoo tseem ceeb: kev them nyiaj ruaj khov, kev hloov pauv tsis tuaj yeem hloov pauv, thiab tuaj yeem ua rau subsynchronous resonance;

Muaj feem xyuam: siv rau cov kab sib kis;

(9) Controllable series them nyiaj

Lub hauv paus ntsiab lus tseem ceeb: thyristor-tswj inductor ceg txuas nrog rau qhov sib npaug ntawm ob qho kawg ntawm cov khoom siv hluav taws xob, thiab cov inductor tam sim no tau hloov pauv los ntawm kev hloov lub kaum sab xis ntawm lub thyristor, yog li tswj kev hloov pauv ntawm qhov sib npaug impedance ntawm LC parallel circuit. ;

Cov txiaj ntsig tseem ceeb: tuaj yeem ua haujlwm zoo rau cov kab hluav taws xob poob thiab txo cov kab poob, thiab tuaj yeem hloov kho lub peev xwm reactance los tiv thaiv subsynchronous resonance;

Lub ntsiab qhov tsis zoo: cov hneev taw loj, tus nqi siab;

Muaj feem xyuam: siv rau cov kab sib kis;

(10) Voltage thiab peev xwm tswj

Lub hauv paus ntsiab lus: txuas cov khoom siv hluav taws xob sib txuas mus rau sab thib ob ntawm lub tshuab hluav taws xob hluav taws xob, thiab hloov lub peev xwm them nyiaj ntawm tag nrho cov cuab yeej los ntawm kev kho lub capacitor's withstand voltage;

Cov txiaj ntsig tseem ceeb: tsis tas yuav muaj kev sib koom ua ke, tsis xav tau kev hloov pauv hloov, thiab qib nyiaj ntau dua;

Lub ntsiab tsis zoo: ntxiv transformers, thiab teeb chav transformer;

(11) Static VAR generator

Lub hauv paus ntsiab lus: siv IGB Tus kheej-commutated converter muaj li ntawm T muab coj thiab lagging reactive tam sim no rau kev them nyiaj los ntawm voltage fais fab mov inversion tshuab;

Cov txiaj ntsig tseem ceeb: cov lus teb ceev ceev, tsis muaj kev tswj hwm, kev them nyiaj bidirectional, tsis tas yuav muaj peev xwm loj, thiab hneev taw me me;

Qhov tsis zoo tseem ceeb: tsis yooj yim rau kev tswj thiab tswj, poob siab, thiab tus nqi siab;

Muaj feem xyuam: reactive fais fab them hom ntawm lub hwj chim electronics;

(12) Active lim

Lub hauv paus ntsiab lus: Tswj lub PWM converter rau txhaj tam sim no sib npaug thiab tawm tsam rau cov khoom sib haum xeeb thiab cov khoom siv rov ua haujlwm rau hauv lub tshuab hluav taws xob kom ua tiav Lim tawm kev sib haum xeeb thiab dynamically them rau lub zog reactive;

Cov txiaj ntsig tseem ceeb: cov lus teb ceev ceev, tsis muaj kev tswj hwm, kev them nyiaj bidirectional, tsis tas yuav muaj peev xwm loj capacitors thiab reactance, me me hneev taw;

Lub ntsiab tsis zoo: tsis yooj yim rau kev tswj thiab tswj, poob siab, tus nqi siab, muaj peev xwm me me;

Muaj feem xyuam: twb tau siv nyob rau hauv txoj kev tsheb ciav hlau uas tsis muaj hluav taws xob, cov ntawv zeb, thiab steel mills;

(13) Integrated fais fab mov tswj

Lub hauv paus ntsiab lus: AC voltage generated los ntawm ib tug thyristor converter yog kev cob cog rua nyob rau hauv series thiab superimposed nyob rau theem voltage ntawm lub kis kab mob, kom nws amplitude thiab theem lub kaum sab xis yuav hloov tsis tu ncua, yog li ua tiav cov kev cai ntawm lub active thiab reactive zog ntawm lub kab;

Xa kev nug