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  1. alikhan007

    500kV GIS breaker Open/close Time Testing

    Guys, need help regarding open close time testing of 500kv GIS breaker. The close time of all three phases were about 66.7,67.2,67.3ms. But as per vendor specifications. The value of closing time should be around 48~60ms. I have contacted vendor in this regard but now he is telling that value...

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