220kv Substation Gapless Metal Oxide Arrester With Isolator 33kv

220kv substation gapless metal oxide arrester with isolator 33kv

gapless metal oxide surge arresters with disconnectorMain features:1. The Core column applied winding structure, Polymer Housed core pillar molded on the core column, with almost no internal air gap, and outstanding sealing performance Simple in structure, small in size and light in weight. 2. Polymer Housed with silicone r

gapless metal oxide surge arresters with disconnector
Main features:

1. The Core column applied winding structure, Polymer Housed core pillar molded on the core column, with almost no internal air gap, and outstanding sealing performance Simple in structure, small in size and light in weight.
2. Polymer Housed with silicone rubber, explosion-proof ZnO varistor as the core component is large
in flow capacity.
3. International standard IEC 60099-4 and ANSI 62.22, and with high reliability. With fully insulated tops, the product can be applied to the complete cabinet installation, which can reduce the designing size of cabinet.
4. Products with detachment device can provide signals for quitting operation when failure occurs,
avoiding arrester explosion, and it is maintenance-free.
5. Polymer housed products with a six CTI level, creepage distance meets the requirements of IV level in heavy pollution areas.

Technical Parameters:

Typ

Type	YH10W5-33/90
Rated voltage---------kV	33
MCOV ----------------kV	27.5
Nominal Current-------kA	10
Residual voltage of steep impulse----at 5kA(kV)	97.5
8/20µS Residual voltage of lightning impulse current kV(Peak value)-----at 5kA(kV)	90
Residual voltage of switching impulse current kV (peak value)----at 1kA (kV)	68.7
1mA D.C reference voltage (kV)	46.7
Line discharge level	1
2mS long duration impulse current A	400
4/10µS High current impulse kA	100
Lightning impulse withstand kV	200
Power frequency voltage withstand(dry/wet)kV	70
0.1S TOV--------------kV	39.6
1S TOV----------------kV	37.95
10S TOV---------------kV	36.3
1200S TOV-------------kV	33
Creepage distance ----mm	1082
Material employed in series non-linear resistor	Zinc Oxide

Working condition:

Environment temperature: -40--+40 degree
altitude:<1000m
48HZ<Rated frequency<62HZ
Power frequency voltage should not be more than continuous running voltage
Max wind speed should be less than 35m/s
Earthquake intensity should be less than 7 degree
If used in contamination area, should be noted in advance.

Line discharge level from 1 to 5,
220kv Substation Gapless Metal-Oxide Surge Arrestors with Disconnector 33kv

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220kv substation gapless metal oxide arrester with isolator 33kv

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