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Re: OLTC Maggy modelling



Original poster: "boris petkovic by way of Terry Fritz <teslalist-at-qwest-dot-net>" <petkovic7-at-yahoo-dot-com>


 >
 > >How high K could be increased in present 2-coil
 > system
 > >for primary circuit still be able to
 > >quench.K=0.28,more?
 > >regards,
 > >boris
 >
 > Quenching can happen at any time in the OLTC. But
 > there are other reasons
 > not to use very high coupling: flashover between
 > primary and secondary
 > caused by close spacing, racing sparks caused by
 > exciting higher modes of
 > the secondary,
---
these are some of the reasons why to try optimised
magnifier construction (beyond efficiency ).
---

  and excessive voltage coupled back
 > into the primary after
 > quenching.
  With the charging circuit that I use,
 > this last one is by far
 > the biggest problem.
.
The charging circuit topology and quality of OLTC
components are the key points in attempt to prevent
induced voltage kickback troubles .
But considering your "you play you pay" ,not much luck
there.

take care,
Boris