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Re: Soft transformer turn on without a variac
Original poster: "Gerry Reynolds" <gerryreynolds-at-earthlink-dot-net>
Hi Ed,
Would this be true even if the variac output was set to zero when first
turned on?
Gerry R
>
> A large current surge when the variac is connected to the line is quite
> normal, depending on the phase at which the switch or relay closes. The
> bigger the variac the lower its resistance and the bigger the surge.
>
> Ed
>
>