Re: [TCML] VTTC Curent Draw

["Phillip Slawinski" <pslawinski@xxxxxxxxx>]

As stated previously these transformers are wired in series.

On Wed, Sep 24, 2008 at 5:46 PM, Skip Malley <skip@xxxxxxxxxxxxxxx> wrote:

> Is it possible that you have a current measuring problem?  What is the
> rating of your circuit breaker?  I would expect things to be blowing up at
> that much power/  How are you measuring the current?  If you are using a
> digital type of meter, you may be getting interference from the coil.  The
> best way is with an analog meter and a current transformer combination.
>


I'm confident that the readings are correct.  I've had several meters tell
me the same thing.  The breaker is 20A, but that does not mean that it will
trip immediately after the current exceeds 20A.


>
>
> Skip
>
>
> At 10:12 AM 9/24/2008, you wrote:
>
>> I've been tinkering with my 833C for several weeks now.  Unfortunately
>> no matter what I do the thing seems to want to pull 50A at full voltage.
>> I'm getting some pretty nice performance out of it now [20-24"] in
>> continuous mode @ 100V/50A.  I know the coil is in tune, I've tried
>> removing
>> turns, and I've tried adding a little capacitance and both of those result
>> in shorter raspy sparks.  I don't think the grid is the problem.  I've
>> tried
>> both CW wound grid coils and CCW wound grid coils.  All my grid coils have
>> been 22 turns.  My primary and secondary are both wound CW.
>>
>> I'm using two large (nearly identical) series wired MOTs which go
>> through a doubler consisting
>> of a rectifier and 2nF 13kV filter cap.  My tank cap is a 12kV 2nF mica
>> transmitting cap.  My grid resistor is 10K, and I have a 2nF doorknob in
>> parallel with that.  My primary is 28 turns of 8AWG.  My secondary is 17"
>> of
>> 26 AWG.
>>
>> What could be causing this current draw?  Is  the amount of current
>> I'm drawing in line with the spark output I'm getting?
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>
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