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Re: Choke for pole xformer

Posted By: Kent
Date: Thursday, 6 September 2007, at 12:30 p.m.

In Response To: Re: Choke for pole xformer (John Anderson)

> A slide choke will probably work better with
> a pole pig. Reason being the pole has no
> magnetic shunts and tend to be a little
> jumpy. They can work though - especially if
> you add a reactance coil (such as from a
> welder) in series. Some people have made
> their own reactance coils with motor wire
> and steel rods, old power transformers, old
> slide-chokes, etc.

> As to the KVA rating - yes, you can have a
> place make one for you. Make sure you tell
> them duty cycle will be around 30-50% -
> otherwise they'll make (and charge you for)
> one that's much bigger than you need. They
> will want to know what type of control
> voltage you'll be using - unless they supply
> that part of the circuit too. It's fairly
> easy to supply 0-10v or 0-12v dc with a
> simple circuit. But you'll need to match
> whatever the design of the choke it.
Thanks, John
I have had experience using an arc welder in series as the transformer is an artifact from my Tesla coil building days. Thanks for the info.

Messages In This Thread

• Choke for pole xformer -- Kent -- Monday, 3 September 2007, at 10:14 p.m.
  • Re: Choke for pole xformer -- John Anderson -- Thursday, 6 September 2007, at 4:44 a.m.
    • Re: Choke for pole xformer -- Kent -- Thursday, 6 September 2007, at 12:30 p.m.

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