FCC compliance [RE-wrenches]
Dean T. Newberry
deant at dcn.org
Tue Jul 20 22:20:48 PDT 2004
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Hi Chris,
The systems monitored in southern california were transmitting from the
DC drops from the PV panels. I suppose that if the drops were trimmed to
a harmonic of the step frequency they might transmit very nicely. Your
Ham guys will know the setup to test for this. I am recommending the
drops from the modules to inverter be run in metallic tubing to minimize
RF transmission.
cul deant
Christopher Freitas --- OutBack Power wrote:
>
>
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>Well - since you asked... None of the OutBack inverters and controllers
>are currently FCC listed. We recently completed CE approvals (which are
>similar, but not identical requirements) and are working hard on getting
>the FCC as soon as possible. We have two engineers assigned to this
>project already and are looking at adding more resources if required.
>
>I don't think you need to worry about downing any airplanes with any
>OutBack products - we have several HAM radio guys in our engineering
>group and are located only a few hundred feet from a busy airport
>coincidentally. The FX and MX60 are very quiet devices from a RF
>standpoint - but we are finding a few improvements are possible and
>reasonable to add from a cost standpoint.
>
>There also are numerous OutBack inverters in use by the military both in
>the US and the Middle East. The largest quantity of units is with the
>ordinance demolition group who gets to disarm the roadside bombs in Iraq
>- they use them to run large halogen lights as well as power remote
>controlled robots - so if we were making problems we would hear pretty
>quickly...
>
>We also have had many positive comments from
>dealers/installers/customers on how switching to an OutBack inverter
>eliminated various interference/noise issues caused by other previous
>sinewave inverters and controllers.
>
>The bottom line is that we do not know of anyone who has had significant
>problems with noise/interference with any OutBack products - if you do
>know of anyone we would love to see if the small changes being done for
>the FCC compliance actually does makes any difference in the real world.
>
>
>Christopher Freitas
>OutBack Power Systems, Inc.
>cfreitas @ outbackpower.com
>www.outbackpower.com
>Arlington WA USA
>Tel 360 435 6030
>
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