While testing the 33KV Busbar by using Hipot kit, what
should be the test voltage we have to apply
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Answer Posted / ramaswamy venkatachalam
At the factory, it is tested by applying twice the voltage.
ie, 2U. If a dc kit is used, (2U)/sqrt(2) + 1 KV. Which is
a minimum of 48 kV. You can use 50 kV test kit for the same.
Convert the ac rms voltage to dc by dividing by sqrt(2) and
multiplying it by 2 and adding 1kV to it.
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