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Re: ARSG Questions



Original poster: "resonance" <resonance@xxxxxxxxxxxx>


Try disconnecting your arrestor and running the pole xmfr with either short circuit output or small climbing arc on the output.

Dr. Resonance



If you can't get the RSG to run at any power level, then you really do have a serious problem. The RSG is too well built to require a slave gap. I have a hunch the problem is not in the gap at all but possibly the arrestor, tvs, or even the filters.

Regarding the slow ramp up and down, it's important that a slow ramp is used on such a light load for the motor, especially when slowing the speed. The generation effect will easily cause an overvolt error unless it is allowed to slow over a decent duration of time. Ramp up is usually less critical.

Take care,
Bart

Tesla list wrote:

Original poster: Yurtle Turtle <yurtle_t@xxxxxxxxx>

As configured, I cannot get my coil to run at any
power level using only the rsg. I need the sucker gap
in series to get smooth operation. With the sucker I'm
probably able to run up to 10 kVA, though both the rsg
and the sucker gap get HOT!

My problems don't occur when making rapid speed
changes in my rsg. I deliberately set my rate of
change really slow. I don't recall my settings (and am
too lazy to go down two flights of stairs) but I think
I set the vfd to take 5 seconds to go from 0 - 45 Hz.
My problems haven't been in rapid changes. Since my
safety's are so sensitive, I go easy.

Adam