[Amps] Zero Crossing circuit

[R.Measures]

On Nov 18, 2004, at 2:07 PM, hermans wrote:

> I still have a few hundreds of low power ( Clare PS1201 ) and a few
> RC4425-D12 ( 440v~ 25 Amps  4-32V DC )Projected to use the LP PS1201 )
> as AC switches in my Yeasu G-2000RC  command box as I have to repair it
> anyway. The big ones should be used on a Amp HV PS .......reading all
> this comments, I just wonder if it’s a good idea......It just bothers 
> me
> that no one talked about snubber circuits!

A snubber in which circuit?

> Just a few hours back from Hospital and a surgery I can't concentrate,
> but there is some stuff when I do a google on snubber.
> Unfortunately I can only listen with one ear....
> What say gentlement?
>
> Jos on47kj
>
>
> ************************************************
> -----Message d'origine-----
> De : amps-bounces at contesting.com [mailto:amps-bounces at contesting.com] 
> De
> la part de Bill Turner
> Envoyé : jeudi 18 novembre 2004 19:47
> À : R.Measures
> Cc : amps at contesting.com; Phil Clements
> Objet : Re: [Amps] Zero Crossing circuit
>
> On Thu, 18 Nov 2004 08:08:20 -0800, R. Measures wrote:
>
>> Translation -- The transformer has so much winding resistance that it
>> does not need a step-start R.
>>>
>
> _________________________________________________________
>
> Winding resistance is one factor.  There is also the capacitance of
> the filter caps and the inductance of both primary and secondary of
> the transformer.
>
> A zero-crossing circuit which works well with one
> transformer/capacitor combination might not be satisfactory with
> another.
>
> --
> Bill W6WRT
>
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>

Richard L. Measures, AG6K, 805.386.3734.  www.somis.org