[pvusers] Issue 34 re: EMI from SW4048

[Brian McMaster <bmcmaster@swrpc.org>]

Dave & Co.
I read the following with interest, but limited understanding. I own one of these inverters in my unfinished house.  Is this an issue only for ham radio enthusiasts, or am I about to experience a world of inteference? Also, will the not-so-true sinewave pattern make a difference for other electronic appliances?

I was considering going 48 volts with the house system initially, but the
Xantrex Trace SW4048 inverter emits a large amount of EMI due to its stepped
sinewave.  The harmonics of those squares edges are detectable well over 100
feet away with sensitive HF and VHF equipment. 



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