6-35kV High voltage Static var Generator

SVG (Static Var Generator) yog ib qho khoom siv hluav taws xob niaj hnub siv hluav taws xob uas siv tus kheej hloov pauv hloov pauv tam sim no. Nws yog cov thev naus laus zis tshiab tshaj plaws hauv kev ua haujlwm ntawm kev them nyiaj hluav taws xob reactive, tseem hu ua STATCOM (Static Synchronous Compensator).

SVG dynamic reactive fais fab nyiaj them nyiaj ntaus ntawv tsim los ntawm peb lub tuam txhab muaj qhov zoo hauv cov lus teb ceev, ruaj khov daim phiaj hluav taws xob, txo qhov kev poob qis, nce kev sib kis quab yuam, txhim kho kev hloov pauv hluav taws xob, txo kev sib haum xeeb, thiab txo qis hneev taw.

Txoj kev loj hlob ntawm SVG dynamic reactive fais fab nyiaj pab ntaus ntawv cia siab rau lub zog technical zog ntawm peb lub tuam txhab, thiab siv tag nrho cov advanced technology thiab ntau lawm kev zoo ntawm cov pab pawg neeg tuam txhab nyob rau hauv lub hwj chim kev lag luam, tag nrho siv cov kev tshawb fawb, tsim, tsim, thiab kuaj muaj peev xwm. . Peb lub tuam txhab muaj kev sib raug zoo kev kawm thiab kev koom tes nrog cov kws tshawb fawb muaj npe nrov thiab cov tuam txhab hluav taws xob hauv tsev thiab thoob ntiaj teb. Peb txaus siab ua haujlwm ua ke nrog cov neeg siv los txhim kho lub zog zoo ntawm daim phiaj hluav taws xob nrog cov thev naus laus zis thiab cov khoom lag luam zoo, thiab pab txhawb kev txuag hluav taws xob, txo kev siv hluav taws xob, thiab kev nyab xeeb ntawm kev tsim hluav taws xob, khoom siv, thiab kev noj haus.

※ Cov cuab yeej ua kom pom thiab saib xyuas yog tsim los nrog kev ywj pheej theem sib cais, nrog kev ua haujlwm nrawm thiab muaj peev xwm tiv thaiv kev cuam tshuam;

※ Reactive zog tshawb nrhiav tshuab raws li instantaneous reactive zog txoj kev xav;

※ DC sab voltage tshuav nyiaj li cas;

※ Ua tiav cov haujlwm tiv thaiv;

Kev mob siab rau IGBT tsav tsheb Circuit Court ua kom muaj kev ntseeg siab ntawm IGBT high-frequency disconnection thiab uploads cov ntaub ntawv saib xyuas cov xwm txheej ntawm lub sijhawm mus rau qhov kev saib xyuas sab saud;

※ Cov saw txuas yog tsim los nrog tus kheej lub zog sau, ua kom muaj kev ntseeg siab;

Cov qauv tsim qauv ntawm cov saw hlau ua tau raws li qhov yuav tsum tau muaj kev ntseeg siab ntawm qhov system thiab yooj yim los tswj;

※ Daim ntawv thov ntawm cov khoom siv tooj liab ua tau raws li qhov yuav tsum tau muaj ntawm IGBT kev ua haujlwm siab;

Lub sijhawm teb tuaj yeem ncav cuag 5ms.

※ Muaj peev xwm muab txuas ntxiv, du, dynamic, thiab ceev reactive zog them los ntawm inductive mus rau capacitive;

※ Muaj peev xwm daws tau qhov teeb meem ntawm kev thauj khoom tsis txaus;

※ Cov yam ntxwv tam sim no, cov zis tawm tam sim no tsis cuam tshuam los ntawm lub tsheb npav voltage;

※ Tsis rhiab rau qhov system impedance tsis

① Cua zog tsim qhov system

Qhov tsis paub meej ntawm cov khoom siv cua thiab cov yam ntxwv ntawm kev ua haujlwm ntawm cov cua turbines lawv tus kheej ua rau muaj kev hloov pauv hauv cov zis hluav taws xob ntawm cov cua turbines, ua rau muaj teeb meem xws li cov kab hluav taws xob tsis zoo txuas nrog lub zog hluav taws xob, qhov sib txawv ntawm qhov hluav taws xob, qhov hluav taws xob hloov pauv, thiab flicker. Rau lub peev xwm loj cua ua liaj ua teb, cov teeb meem kev ruaj ntseg tseem muaj nyob thaum txuas nrog lub kaw lus, thiab cov khoom siv hluav taws xob muaj zog yuav tsum tau them nyiaj; Ntawm qhov tod tes, kev hloov pauv hauv qhov system voltage kuj tuaj yeem cuam tshuam rau kev ua haujlwm ntawm tus kiv cua. Daim ntawv thov ntawm SVG dynamic reactive zog them nyiaj pab kiag li lawm nyob rau hauv cov cua ua liaj ua teb yuav tsis tau tsuas yog ua tau raws li qhov yuav tsum tau ntawm lub hwj chim yam, voltage fluctuations, thiab flicker ntawm cua fais fab kev koom ua ke systems, tab sis kuj txo cov kev cuam tshuam ntawm lub system cuam tshuam rau cua turbines.

② Lwm cov khoom hnyav hnyav xws li cov thee mine hoists

Lwm yam kev lag luam hnyav xws li thee mine hoists yuav muaj kev cuam tshuam hauv qab no rau ntawm daim phiaj hluav taws xob thaum ua haujlwm;

(1) Ua rau lub zog poob thiab hloov pauv hauv daim phiaj hluav taws xob;

(2) Tsawg fais fab tuag;

(3) Cov khoom siv kis tau tus mob yuav tsim kev puas tsuaj siab rau kev txiav txim siab.

Txhim kho SVG dynamic reactive fais fab nyiaj them nyiaj ntaus ntawv tuaj yeem daws cov teeb meem saum toj no zoo kawg nkaus.

③ Hluav taws xob arc rauv

Raws li qhov tsis yog-linear load txuas nrog daim phiaj hluav taws xob, hluav taws xob arc rauv yuav muaj kev cuam tshuam tsis zoo ntawm daim phiaj hluav taws xob, feem ntau suav nrog:

(1) Ua rau muaj kev tsis sib haum xeeb peb-theem nyob rau hauv daim phiaj hluav taws xob, ua rau muaj qhov tsis zoo ntawm qhov tam sim no;

(2) Tsim kom muaj kev sib haum xeeb siab, ntawm cov uas muaj kev sib koom ua ke ntawm 2nd thiab 4th txawm harmonics thiab 3rd, 5, 7th khib harmonics, uas ua rau voltage distortion ua complex;

(3) Muaj qhov hluav taws xob loj heev;

(4) Tsawg zog qhov tseem ceeb.

Kev siv SVG dynamic reactive fais fab kev them nyiaj ntaus ntawv tuaj yeem daws cov teeb meem saum toj no, them sai sai rau cov tsheb npav ruaj khov, txhim kho kev tsim khoom, txo qis kev hloov pauv ntawm qhov hluav taws xob thiab flicker, thiab cov theem sib cais cov nyiaj them poob haujlwm tuaj yeem tshem tawm peb-theem imbalance los ntawm arc rauv.

④ Rolling zeb

Lub zog reactive cuam tshuam tsim los ntawm lub tshuab dov yuav muaj cov hauv qab no cuam tshuam rau hauv daim phiaj fais fab:

(1) Ua rau muaj qhov hloov pauv ntawm qhov hluav taws xob hauv daim phiaj hluav taws xob, hauv qhov xwm txheej hnyav ua rau cov khoom siv hluav taws xob ua haujlwm tsis zoo thiab txo cov khoom siv hluav taws xob;

(2) Kev txo qis zog;

(3) Cov cuab yeej kis tau tus mob ntawm lub nra yuav tsim teeb meem kev sib raug zoo siab, uas yuav ua rau muaj kev cuam tshuam loj ntawm daim phiaj hluav taws xob. Txhim kho SVG dynamic reactive fais fab nyiaj them nyiaj ntaus ntawv tuaj yeem daws cov teeb meem saum toj no, txhim kho lub tsheb npav voltage, tshem tawm kev cuam tshuam kev sib raug zoo, thiab txhim kho lub zog.

⑤ Fais fab mov substation (66/110kV)

SVG dynamic reactive fais fab nyiaj them nyiaj ntaus ntawv tuaj yeem them sai sai thiab raug them rau lub zog capacitive thiab inductive reactive zog. Thaum stabilizing lub tsheb npav voltage thiab txhim kho lub zog, nws kom huv si thiab yooj yim daws qhov teeb meem ntawm reactive fais fab rov qab. Thaum txhim kho tus tshiab SVG dynamic reactive fais fab nyiaj them nyiaj ntaus ntawv, cov uas twb muaj lawm tsau capacitor bank thiab thyristor tswj reactor (TCR) tuaj yeem siv tag nrho kom ua tiav cov txiaj ntsig zoo tshaj plaws nrog kev nqis peev tsawg, dhau los ua txoj hauv kev zoo tshaj plaws los txhim kho cov khoom siv hluav taws xob zoo hauv cheeb tsam. daim phiaj zog.

⑥ Kev xa hluav taws xob ntev

Kev teeb tsa ntawm SVG dynamic reactive fais fab nyiaj them rau cov khoom siv ntawm high-voltage, high-power, thiab ntev-ntev fais fab kis kab tuaj yeem txhim kho kev sib kis thiab kev ua haujlwm ntawm lub zog.