Send Message
Home ProductsNeutral Grounding Resistor

220kV Lightning Neutral Grounding Resistor For Transformer

Certification
China Shendian Electric Co. Ltd certification
China Shendian Electric Co. Ltd certification
I'm Online Chat Now

220kV Lightning Neutral Grounding Resistor For Transformer

220kV Lightning Neutral Grounding Resistor For Transformer
220kV Lightning Neutral Grounding Resistor For Transformer

Large Image :  220kV Lightning Neutral Grounding Resistor For Transformer

Product Details:
Place of Origin: China
Brand Name: Xi'an Shendian
Certification: IEC 60099-4/ GB 11032
Model Number: TJZB-35
Payment & Shipping Terms:
Minimum Order Quantity: 1 pc.
Price: To be determined by type and quantity.
Packaging Details: Seaworthy package/ Customer specified.
Delivery Time: Ex-work 30 days~60 days depends on quantity.
Payment Terms: T/T; L/C.
Supply Ability: 1000 pc/year.

220kV Lightning Neutral Grounding Resistor For Transformer

Description
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
High Light:

220kV Lightning Resistor

,

5kA Lightning Resistor

,

Transformer NER neutral earth resistor

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 0

 

 

Contact Details
Shendian Electric Co. Ltd

Contact Person: Mr. xue feng

Tel: +86 13709223751

Send your inquiry directly to us (0 / 3000)