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Re: Saturable Reactors
to: Eric
Resonance Research Corp manufactures such reactors for use with pole pigs.
Our units measure a small 6 x 4 x 3 inches and control up to 10 kva for use
with pole xmfrs. Contact us via our website for further information.
Dr. Resonance
-----Original Message-----
From: Tesla List <tesla-at-pupman-dot-com>
To: tesla-at-pupman-dot-com <tesla-at-pupman-dot-com>
Date: Thursday, September 16, 1999 12:29 AM
Subject: Saturable Reactors
>Original Poster: "Eric Davidson" <edavidson-at-icva.gov>
>
>To All,
>
>Just thought I would toss in my $0.02 into the reactive/resistive
ballasting
>fray. IMHO the most primo way to control a "pole pig" is with a saturable
>reactor. The reactance is infinitely variable from min to max and requires
>only a small DC power supply for operation (0-100 volts maybe 0.5 amp). A
>saturable reactor is not nearly as big as an arc welder, and doesn't
dissipate
>hundreds (or more) watts like several Calrod electric stove elements in
>parallel. The reactor I have is about the size of a loaf of bread, weighs
>about 30 lbs. Its rated at 20 amperes, with taps for both 240 and 208 volt
>operation. The large core gives it huge thermal hysteresis and can be
immersed
>in oil for even more cooling if desired, I have controlled 40 amps with no
>problems. Another perc of using a saturable reactor is the control
winding is
>isolated from the circuit it controls. The SR can be placed right next to
the
>pole pig and only a small lead is used for control from a safe distance.
Hope
>this helps. Stay safe.
>
>Eric
><mailto:edavidson-at-icva.gov>edavidson-at-icva.gov
>
>
>