450kV 20kJ High Voltage Impulse Voltage Test System Rau Kev Teeb Tsom Ntsia

450kV 20kJ High Voltage Impulse Voltage Test System Rau Kev Teeb Tsom Ntsia

450kV 20kJ High Voltage Impulse Voltage Test System rau Kev Teeb Tsom Ntsuas Kev siv lub tshuab hluav taws xob no yog siv rau kev ua kom tag nro thiab hla kev ntsuas ntawm kev ntsuas hluav taws xob rau kev siv hluav taws xob pauv, transformers, reactors, hluav taws xob qws, keyboards, bushings, insulators thiab lwm yam khoom siv nrog ...

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450kV 20kJ High Voltage Impulse Voltage Test System rau Teeb Pom Kev Ntsuas

Lub tshuab hluav taws xob no siv rau kev ua kom tag nrho thiab yoj hla cov qauv ntsuas hluav taws xob rau kev hloov hluav taws xob, hloov tsheb, hluav taws xob, hluav taws xob, keyboards, bushings, insulators thiab lwm yam khoom siv nrog cov khoom muaj zog ntawm 35kV thiab hauv qab.

impulse.jpg

Cov nqi parameter

Rated nominal voltage : ± 450kV

Lub sijhawm luv: ± 150kV

Rated zog : 20kJ

Tag nrho plhom peev xim : 0.25μF

Tag nrho series : 3 series

Rated zog muaj peev xwm : 1μF

 

Cov nram qab no waveforms yuav tsum generated thaum lub peev xwm ua haujlwm yog 300 ~ 5000PF :

2 ± 30% / 50 ± 20% μs Lightning impulse voltage puv yoj, Cov efficiency ntawm voltage≥92% (tsis muaj-load)

txheem impulse voltage hlais yoj    2 ~ 6μs , Tus nqi ntawm voltage≥92% ( tsis muaj-load )

Lub impulsevoltage waveform tsis tau tag nrho cov kev txwv ntawm IEC thiab GB311-97 hauv lub tebchaws

Cov chav kawm tsis muaj zog li ntawm 10% ~ 100% rated voltage, qhov zoo thiab qhov tsis zoo ntawm qhov sib txawv yog tsis pub tsawg tshaj 20%.

Ignition range 10% ~ 100%

Synchronous tawm tus nqi tawm ntawm kev tswj : 2 %

Qhov tsawg zis hluav taws xob : ≤10un

Cheem tsis muaj qhov tsis txaus siab : ≤ ± 1.0 %

Kev pab ntev:>, tshaj 70% UN rated voltage, tuaj yeem ua haujlwm txhua txhua 90 seconds. Raws li cov ntsuas pa ntawm <70% un,="" them="" nqi="" thiab="" tso="" tawm="" thaum="" txhua="" txhua="" 45="" vib="" nas="" this="" yuav="" khiav="" tsis="" tu="">

 

 

Table 1 impulse voltage waveform thiab nws cov tsis

 

Impulse yoj

Waveform parameter

Tshaj tawm

1

Xob laim impulse tag nro

Oscillating xob laim impulse

Yoj lub taub hau lub sijhawm T1

Ib nrab sij hawm peak   T2

Peak Up

Ntau ntau   cov khoom kuaj

2

Xob laim impulse txiav nthwv dej

Yoj lub taub hau lub sijhawm T1

Txiav tua lub sij hawm Tc

Lub voj coefficient   K

Peak Up

Ntau cov khoom kuaj

3

Ua hauj lwm poob siab tag nro    

Oscillating ua haujlwm   impulse

Yoj lub taub hau lub sij hawm Tp

Ib nrab sij hawm peak   T2

Peak Up

Ntau yam khoom xeem ntau tshaj 330 KV

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