Re: CD 942 failure tonight

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: Bart Anderson <classi6-at-classictesla-dot-com> 

Yep, it's LTR for SRSG.

Bart

Tesla list wrote:

>Original poster: FutureT-at-aol-dot-com
>In a message dated 3/1/04 2:41:56 PM Eastern Standard Time, 
>tesla-at-pupman-dot-com writes:
>
>>Hi John,
>>
>>I've done a number of spice simulations of the phasing of an SRSG (120pps).
>>The behavior seems to give the highest Cp voltage when phased about 1.5ms
>>after peak (60Hz).  When I rephased later,  voltage dropped and when I
>>phased earlier, at peak, and even before peak, the voltage dropped.
>>When
>>the SRSG stopped, the voltage would drop to about half of rating.  Of course
>>these simulation were with a Cp of about 3.1 * Cres where the steady state
>>voltage (with no firing) was about 1/2 of rating.  I sorta concluded that
>>with a proper valued Cp, I could not overvolt the Cp.  Could you elaborate
>>on the abuse you are thinking of?
>>
>>Gerry R.
>
>
>
>Gerry,
>
>I don't know if John was using an LTR cap, I didn't really check
>over the figures.  If it was LTR, then it shouldn't abuse the cap.
>
>John
>
>