35kV Lightning Resistor Neutral Grounding Protection Device

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.


Below info. only for your reference, all data shall be specified and determined
by technical specification and customer demand.

Item Description Offered
1 Type TJZB-35
2 TR rated voltage kV 35
3 Power frequency voltage kV 95
4 Lightning impulse voltage withstand kV 185
5 Metal-oxide
surge arrester Type Y(H)1.5W-30/98
Rated voltage kV 30
Residual voltage at lightning impulse kV ≯98
Residual voltage at switching impulse kV ≯88
Reference voltage at D.C. 1mA kV ≮61
Leakage current at 0.75U1mA μA ≯50
6 Disconnect
switch Rated voltage kV 40.5
Rated current A 630
Operation mechanism Motor/ Manual
Rated short-time current withstand kA 31.5
Rated peak current withstand kV 80
7 Current
transformer Rated voltage kV 10
Rated insulation level 42/75
Rated dynamic current kA 110
8 Discharge
gap Gap type Ball/ Rod
Power frequecny discharge voltage kV 55±10%
Impulse discharge voltage kV ≯150
Gap distance mm 30~35 adjustable
9 Monitor Type JCQ-CⅠ
Current measurement range mA 0~5
Operation current range A 50~20000

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