Special Design for Air circuit breaker-FTW3 Supply to San Francisco


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we had added three 33KV GIS switchgears to existing switchgear panels , as part from testing , we intended to conduct high voltage test .

As per Saudi Electricity company , we have to apply 57KV for a period of 1 minuet (Power Frequency withstand) .

we started increasing the voltage gradually till we reached 50KV were a flash over happened as shown in the video .

Any suggestion for this issue?

Saqer Khalil
Jeddah , Saudi Arabia

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