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Re: DC Controlled Reactance Choke



A filter cap leaks it to ground via a power resistor.  Doesn't seem to
interfere with the DC signal.

Dr. Resonance


-----Original Message-----
From: Tesla List <tesla-at-pupman-dot-com>
To: tesla-at-pupman-dot-com <tesla-at-pupman-dot-com>
Date: Saturday, January 08, 2000 12:30 AM
Subject: Re: DC Controlled Reactance Choke


>Original Poster: Ed Phillips <evp-at-pacbell-dot-net>
>
>Tesla List wrote:
>>
>> Original Poster: "bob golding" <yubba-at-clara-dot-net>
>>
>> ----------
>> > From: Tesla List <tesla-at-pupman-dot-com>
>> > To: tesla-at-pupman-dot-com
>> > Subject: Re: DC Controlled Reactance Choke
>> > Date: 06 January 2000 19:27
>> >
>> > Original Poster: "Dr. Resonance" <Dr.Resonance-at-next-wave-dot-net>
>> >
>> >
>> >
>> > This concept works very well.  We use it in our reactors for higher
>> powered
>> > coil systems.  Using a gapped core E-I reactor you wind approx 150
turns
>> > around the center of the E lamination and then wind your normal reactor
>> > windings over this.  By running approx 75-100 VDC at 3-5 amps through
the
>> > center winding you have complete control over the reactor's
performance.
>> >
>> > Dr. Resonance
>
> What do you do about the voltage induced in the control winding?
>Conventional saturable reactor design uses two control windings (or I
>guess reactor windings would do as well) polarized so that the induced
>voltage in each winding cancels.
>
>Ed
>
>
>