02-24-2009
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Glad I found Sailnet
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Join Date: Jul 2008
Posts: 2,658
Rep Power: 5
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PWM -- Pulse Width Modulation.
Someone mentioned somewhere that PWM also interferes with ham radio reception. (That I believe, unless you put some capacitors in the right place.)
The Tristar has a switch on it to do PWM or "on-off" battery charging. See the datasheet here.
That probably fixes it. I didn't buy the Tristar, I have the Xantrex C60 on the way, but I'm still looking for a MPPT that handles a dump load -- sounds like an opportunity to capture the "wind and solar both" (a.k.a. "belt and suspenders") market.
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