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Re: [TCML] Re: Spark gap Resistance
Hi Greg,
When you increased the primary impedance on the system, were there
energy transfer measurements made before and after? For quite a while
now, I've considered the secondary's ability to do something with the
energy provided is what determines what the impedance of the primary
needs to be for best efficiency of the system.
It appears to me that by increasing the primary impedance, you've given
the secondary the time to do something with that energy. This in turn
results in less recursive energy flows and greater efficiency in the
primary and secondary circuits.
Take care,
Bart
Given that the operating Zpri was 5.3ohm, one might imagine that this
system would nominally work, as it did, although with considerable gap
losses. The design improvements made in 1998 [increasing Zpri to
14ohm, larger toroid] actually increased the arc performance while
reducing the maximum wall-plug draw down to about 25kW. The rotary
gap can now operate steady-state without significant heating, as the
peak currents are now only about 2500A. GL
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