High voltage tam sim no transformer yog cov cuab yeej tseem ceeb rau kev ntsuas tam sim no, kev tiv thaiv relay thiab lub zog ntsuas hluav taws xob hauv substation, kev sib kis thiab kev faib tawm, cov khoom siv hluav taws xob thiab cov phiaj xwm tshiab. Lub installation zoo tsis tsuas cuam tshuam qhov ntsuas qhov tseeb, tab sis tseem cuam tshuam ncaj qha rau kev ua haujlwm ruaj ntseg thiab ruaj khov ntawm tag nrho lub zog hluav taws xob.
Raws li tus neeg muag khoom ntawm cov khoom siv hluav taws xob siab, peb pom tias ntau yam khoom siv tsis ua haujlwm tsis yog vim cov khoom nws tus kheej, tab sis rau kev teeb tsa tsis raug. Yog li ntawd, nyob rau hauv cov chav kawm ntawm engineering tsim thiab khoom commissioning, nws yog ib qho tseem ceeb kom paub qhov tseeb installation yuav tsum tau.
Daim ntawv no yuav qhia kom meej txog tej yam uas yuav tsum tau them sai sai rau thaum txhim kho high voltage tam sim no transformer los pab engineers txo cov kev pheej hmoo ntawm kev lag luam thiab txhim kho cov cuab yeej kev ntseeg siab.
1.Txhais tau tias cov khoom siv tsis sib xws raws li qhov yuav tsum tau ua
Ua ntej kev teeb tsa, cov cuab yeej siv kev ntsuas yuav tsum raug txheeb xyuas kom ua raws li kev tsim qauv tsim qauv.
Cov ntsiab lus tseem ceeb:
Rated voltage theem
Rated tam sim no piv
Chav kawm raug
Rated Load
Rwb thaiv tsev theem
Zaus parameters
Yog tias qhov ntsuas qhov ntsuas tsis sib xws hauv qhov system, nws yuav ua rau:
Kev ntsuas qhov yuam kev ntau ntxiv
Cov cuab yeej tiv thaiv tsis ua haujlwm
Cov khoom siv overload ua haujlwm;
Yog li ntawd, parameter kev pom zoo ua ntej kev teeb tsa yog lub hauv paus tseem ceeb ntawm tag nrho qhov project.
2. Tshawb xyuas cov tsos thiab kev thauj mus los ntawm cov khoom siv
High - cov cuab yeej siv siab yuav raug vibration lossis poob siab thaum thauj.
Ua ntej txhim kho, ob npaug - xyuas:
Txhim kho porcelain bushings
Installation ntawm casing
Installation davhlau ya nyob twg
Nruab cov ntaub ntawv npe
Installation ntawm sealing qauv
Rau cov roj-immersed los yog SF6 insulated khoom, kuj xyuas:
Cov dej ntws tawm
Kev teeb tsa cov ntsuas ntsuas siab
Txhua qhov kev tsis txaus ntseeg yuav tsum tau hais kom raws sijhawm kom tsis txhob muaj teeb meem kev teeb tsa.
3. Xaiv qhov chaw teeb tsa tsim nyog
Lub installation ib puag ncig ntawm high voltage tam sim no transformer ncaj qha cuam tshuam qhov kev ua tau zoo ntawm transformer nyob rau hauv lub sij hawm ntev.
Qhov chaw zoo tshaj plaws installation yuav tsum ua raws li cov hauv qab no:
Qhov cua
Unobstructed ntws
Tsis muaj zog vibrations
Tsis yog -cov roj corrosive heev
Tsis muaj plua plav tseem ceeb
Rau kev teeb tsa sab nraum zoov, kev txiav txim siab yuav tsum tau muab rau:
Kev tiv thaiv nag
Tsis muaj ntsev los tiv thaiv corrosion
Tsis muaj condensation tsim
Ib puag ncig zoo tuaj yeem ua rau lub neej ua haujlwm ntawm cov cuab yeej siv tau zoo.
4. Ua kom lub hauv paus installation muaj zog thiab txhim khu kev qha.
High voltage tam sim no transformers feem ntau hnyav.
Lub hauv paus mounting yuav tsum muaj zog txaus.
Thaum lub sij hawm installation, cov hauv qab no yuav tsum tau ua kom tiav:
Foundation yog du thiab ua tau raws li qhov yuav tsum tau ua;
Fastening bolts.
Kev txhawb nqa ruaj khov
Tsis pom kev vibrations
Lub hauv paus tsis ruaj khov tuaj yeem ua rau:
Khoom siv tilting
Ua kom muaj kev vibration
Ntev -kev pheej hmoo ua haujlwm ntev
Tshwj xeeb tshaj yog nyob rau hauv av qeeg- tej thaj chaw uas muaj xwm txheej, yuav tsum tau them nyiaj mloog mus ntxiv rau av qeeg- tiv taus tsim.
5. Kev ua raws li txoj cai ntawm kev xaim polarity.
Kev xaim polarity tsis raug yog ib qho teeb meem tshwm sim hauv cov chaw tsim kho.
High voltage tam sim no transformers feem ntau cim:
P1, P2 (qhov tseem ceeb)
S1, S2 (thib ob sab)
Thaum lub sij hawm installation, kev sib txuas yuav tsum tau ua raws li cov qauv tsim.
Rov qab polarity tuaj yeem ua rau:
Metering yuam kev
Kev suav lub zog yuam kev
Relay tiv thaiv tsis ua hauj lwm
Kev tiv thaiv sib txawv tsis ua haujlwm
Yog li ntawd, kev kuaj polarity thiab kuaj yuav tsum tau ua ua ntej kev debugging.
6. Xyuas kom meej tias lub voj thib ob yog hauv av ntseeg tau.
Secondary circuit grounding yog ib qho kev ntsuas tseem ceeb los xyuas kom muaj kev nyab xeeb ntawm cov neeg ua haujlwm thiab cov khoom siv.
Cov kev cai dav dav:
Qhov thib ob ib zaug -point grounding
Secondary conductor txuas kev ruaj ntseg
Grounding kuj conforms rau specification.
Qhov tseeb grounding tuaj yeem:
Tiv thaiv kom paub qhov overvoltage
Txhim kho kev ruaj ntseg
Txo cov electromagnetic cuam tshuam
Ntau cov ntsiab lus hauv av yuav tsum raug zam kom tsis txhob muaj cov dej ntws tawm los ntawm kev cuam tshuam kev ntsuas qhov tseeb.
7. Qhov thib ob lateral qhib ntawm tam sim no transformer yog nruj me ntsis txwv tsis pub.
Qhov no yog ib qho tseem ceeb tshaj plaws kev nyab xeeb yuav tsum tau thaum lub sij hawm installation thiab siv.
Lub high voltage tam sim no transformer yuav tsum tau kaw nyob rau hauv lub thib ob sab thaum khiav.
Yog tias lub voj voog thib ob qhib:
Lub cores sai sai saturates
Qhov thib ob sab yuav ua rau muaj kev kub ntxhov.
Rwb thaiv tsev tuaj yeem raug puas tsuaj.
Yog li ntawd, muaj kev pheej hmoo ntawm electrocution.
Yog li ntawd, cov kab hluav taws xob thib ob yuav tsum tau kaw ntau zaus thaum xaim thiab tu.
8. Tshawb xyuas qhov zoo ntawm qhov kev sib txuas ntawm theem nrab.
Qhov zoo ntawm qhov txuas txuas txuas txuas txuas ncaj qha cuam tshuam rau kev ntsuas qhov tseeb.
Tom qab installation, cov hauv qab no yuav tsum tau xyuas:
(a) Kev nruj ntawm lub davhlau ya nyob twg;
Txawm hais tias hlau specifications ua tau raws li qhov yuav tsum tau ua;
seb qhov sib txuas yog oxidized;
Seb qhov kev tiv thaiv Circuit Court yog qhov qub;
Kev sib cuag tsis zoo tuaj yeem ua rau:
Cov ntaub ntawv volatility
Cua sov
Kev ntsuas qhov yuam kev ntau ntxiv
Rau cov khoom tseem ceeb, kev ntsuas ntsuas hluav taws xob raug pom zoo.
9. Kev kuaj hluav taws xob tom qab kev teeb tsa
Cov kev ntsuam xyuas cuam tshuam yuav tsum tau ua ua ntej kev debugging.
Cov khoom kuaj pom muaj xws li:
Rwb thaiv tsev kuj kuaj
Kev xeem polarity
Transformer ratio test
Voltage -ampere yam ntxwv kuaj
Industrial Frequency Pressure Resistance Test
Cov teeb meem kev teeb tsa tuaj yeem tshawb pom nyob rau lub sijhawm kom ntseeg tau tias cov cuab yeej ua tau raws li qhov yuav tsum tau siv.
Xaus:
High voltage tam sim no transformer yog ib qho tseem ceeb ntawm kev ntsuas thiab kev tiv thaiv ntawm lub hwj chim system. Nws qhov kev txhim kho zoo ncaj qha cuam tshuam rau kev ua haujlwm kev nyab xeeb thiab cov ntaub ntawv raug ntawm lub kaw lus. Los ntawm kev xaiv cov khoom siv thiab lub hauv paus kev teeb tsa mus rau cabling, debugging, thiab kev xeem khiav, txhua kauj ruam yuav tsum tau ua raws li cov lus qhia tshwj xeeb. Los ntawm kev ua ntej- kev tshuaj xyuas kev teeb tsa, xyuas kom muaj cov kab hluav taws xob raug, txhim khu kev qha hauv av, thiab kev sim ua haujlwm tau zoo, tsis tsuas yog tuaj yeem txhim kho kev ua haujlwm ruaj khov ntawm cov cuab yeej siv, tab sis kuj tuaj yeem ua kom ntev kev pab cuam lub neej ntawm cov cuab yeej, thiab muab kev ruaj ntseg lav rau kev nyab xeeb ntawm lub zog hluav taws xob.
Cov lus nug nquag
Dab tsi yog qhov tseem ceeb tshaj plaws ntawm kev nyab xeeb thaum txhim kho HVCT?
Qhov tseem ceeb tshaj plaws uas yuav tsum tau muaj yog qhov thib ob sab yuav tsum tsis txhob qhib, txwv tsis pub muaj kev kub ntxhov siab yuav tshwm sim.
Puas yog tam sim no transformer yuav tsum tau grounded?
Yog lawm. ' Feem ntau, ib qho -point grounding method yog siv nyob rau sab thib ob kom muaj kev nyab xeeb ntawm lub kaw lus thiab cov neeg ua haujlwm.
Koj yuav tsum tau ua dab tsi tom qab kev teeb tsa?
Kev ntsuam xyuas hluav taws xob, kev hloov pauv piv, kev ntsuas polarity thiab kev ntsuas siab ua haujlwm feem ntau yuav tsum tau ua.
Qhov rov qab polarity ua li cas?
Nws tuaj yeem ua rau kev ntsuas qhov yuam kev, kev tiv thaiv tsis ua haujlwm, thiab kev ua haujlwm tsis zoo.
Koj yuav tsum paub dab tsi txog kev txhim kho high voltage tam sim no transformer sab nraum zoov?
Cov kev xav tseem ceeb yuav tsum muaj xws li kev tiv thaiv los nag, kev tiv thaiv ntsev tsuag, kev tiv thaiv condensation thiab kev tiv thaiv ib puag ncig kub hloov.
