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20KV Ip55 neutral grounding resistor for transformer

20KV Ip55 neutral grounding resistor for transformer

Place of Origin : Hebei,China
Brand Name : THT
Certification : ISO9001
Packaging Details : wooden box
Delivery Time : 30-45days
MOQ : 1 set
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Purpose

The THT-ZT transformer neutral grounding resistor cabinets(NGR) are applicable to the transformer neutral points of 6~35KV AC power grids to achieve the neutral point grounding via resistor


Two schemes

1) resistor + current transformer + cabinet

This case is suitable for transformer has neutral point

2)resistor + current transformer + three-phase grounding transformer

This case is suitable for transformer doesn’t have neutral point,we need provide a neutral point via three-phase grounding transformer


Feature

1,According to installation we can provide indoor or outdoor cabinet

2,When we adopt top in bottom out or side in bottom out,the top or side of cabinet will be equipped with bushing wall. When we adopt bottom in bottom out,the bottom of cabinet will be equipped with tower and Tripod for Sealing and fixing

3,The current transformer in resistor cabinet can measure the grounding fault current and lead to the relay protection device that setting circuit breaker tripping time according to the grounding fault current.

4,We can equip counter for recording number of grounding that can be installated on the observation window of cabinet

5, The top of enclosure are solid and sloped to prevent water stagnation

6, Enclosure have scales of ventilation that has been patented to prevent rain water to enter


Ordering information


system rated voltage,resistance,current;

metarial of cabinet,degree of protection


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