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220kV Lightning Neutral Grounding Resistor For Transformer

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220kV Lightning Neutral Grounding Resistor For Transformer

Brand Name : Xi'an Shendian

Model Number : TJZB-35

Certification : IEC 60099-4/ GB 11032

Place of Origin : China

MOQ : 1 pc.

Price : To be determined by type and quantity.

Payment Terms : T/T; L/C.

Supply Ability : 1000 pc/year.

Delivery Time : Ex-work 30 days~60 days depends on quantity.

Packaging Details : Seaworthy package/ Customer specified.

Nominal system voltage : 35kV~220kV/ Customer specified

Usage : Transformer neutral point protection

System Fault Current : 50A~ 5000A

Incoming/ Outcoming : Top In Bottom Our/ Side In Side Out/ Bottom In Bottom Out

Advantage : Easy to install

Certfication : IEC 60099-4/ GB 11032

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220kV Neutral Grounding Protection Device for Transformer

Product introduction:

This kind of transformer neutral protection device adopts modular construction.

It has been running well in high altitude area over decades year.

Characteristic:
1/ Entirety assembly and transportation;
2/ Easy to install and more stable;
3/ Anti-corrosion and anti-aging.
Standard Technical Data:
Below info. only for your reference, all data shall be specified and determined by technical specification and customer demand.
Item Description Offered Offered Offered Offered
1 Type TJZB-35 TJZB-110 TJZB-220 TJZB-330
2 TR rated voltage kV 35 110 220 330
3 Power frequency voltage kV 95 95 200 230
4 Lightning impulse voltage withstand kV 185 250 400 550
5 Metal-oxide
surge arrester		 Type Y(H)1.5W-30/98 Y(H)1.5W-72/186 Y(H)1.5W-144/320 Y(H)1.5W-210/440
Rated voltage kV 30 72 144 210
Residual voltage at lightning impulse kV ≯98 ≯186 ≯320 ≯440
Residual voltage at switching impulse kV ≯88 ≯174 ≯299 ≯411
Reference voltage at D.C. 1mA kV ≮61 ≮103 ≮205 ≮288
Leakage current at 0.75U1mA μA ≯50 ≯50 ≯50 ≯50
6 Disconnect
switch		 Rated voltage kV 40.5 72.5 126 252
Rated current A 630 630 630 630
Operation mechanism Motor/ Manual Motor/ Manual Motor/ Manual Motor/ Manual
Rated short-time current withstand kA 31.5 31.5 31.5 31.5
Rated peak current withstand kV 80 80 80 80
7 Current
transformer		 Rated voltage kV 10 10 10 10
Rated insulation level 42/75 42/75 42/75 42/75
Rated dynamic current kA 110 110 110 110
8 Discharge
gap		 Gap type Ball/ Rod Ball/ Rod Ball/ Rod Ball/ Rod
Power frequecny discharge voltage kV 55±10% 83±10% 166±10% 190±10%
Impulse discharge voltage kV ≯150 ≯215 ≯350 ≯480
Gap distance mm 30~35 adjustable 60~100 adjustable 130~200 adjustable 170~250 adjustable
9 Monitor Type JCQ-CⅠ JCQ-CⅠ JCQ-CⅡ JCQ-CⅢ
Current measurement range mA 0~5 0~5 0~10 0~15
Operation current range A 50~20000 50~20000 50~20000 50~20000

Reference:
1/ Shendian resistor is widely used in China EHV (Extra hight voltage) projects of State Grid, Southern Power Grid.
2/ Supplied resistor to ABB/Siemens/Schneider more than 20 years, as well as other capacitor/switchgear manufacturers.
3/ Shendian resistor has been exported to more than 30 counties all over the world.

220kV Lightning Neutral Grounding Resistor For Transformer


Product Tags:

220kV Lightning Resistor

      

5kA Lightning Resistor

      

Transformer NER neutral earth resistor

      
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