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[Amps] Solid state relays and step start

To: <Amps@contesting.com>
Subject: [Amps] Solid state relays and step start
From: "Gary Schafer" <garyschafer@comcast.net>
Reply-to: garyschafer@comcast.net
Date: Thu, 4 Mar 2010 15:53:17 -0500
List-post: <amps@contesting.com">mailto:amps@contesting.com>
Has anyone had problems using a solid state relay to short out the step
start resistor in a power supply?

I have heard of problems of not enough current thru the SS relays (when amp
is in standby) when used as the primary on/off relay. Sometimes a resistor
has to be placed in parallel with the transformer primary so the relay works
properly.

When used in a step start circuit the current could be quite low as well as
the voltage at the relay due to the resistor across the relay.  Any issues
here?

73
Gary  K4FMX

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