EMFs and inverters [RE-wrenches]
Bob-O Schultze, Electron Connection
econnect at snowcrest.net
Fri Jan 21 14:25:09 PST 2005
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Kelly,
When Richard Perez and I were doing measurements on EMF fields with
our homemade Gaussmeters years ago, we found the largest source of
EMF came from the inverter/Battery cables. Makes sense as there is
some heavy amperage switching going on. Twisting the cables together
helped some, but the best cure was distance. At a bit over six feet
away from the cables, we were almost at background readings. The
moral of that story is: Don't put the inverter under the bed, or if
you must-put it at the foot rather than the head.
Allan S. is correct for the ac wiring as well. Twisting the
conductors-but not the ground wire helped. Putting the whole shebang
in EMT or metal flex really did the job.
Bob-O
>Hi all,
>
>Does anyone have experience in applying EMF mitigation
>to inverter installation? Other than moving the
>inverter, are there other ways you've found to lessen
>or move the fields, Maybe using shielding films or
>such? And since those shields only affect magnetic
>fields, what about the remaining electrc fields?
>
>Thank you all for sharing your experience!
>
>Kelly Larson
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