Wrenches,
When the inverter charger charges the battery bank and runs loads
this can affect the harmonics of the generator output.
Not much you can do about it other than putting in a larger
generator to handle the inverter/charging load along with the loads
of the system, and even in some of those cases depending on the
generator dosn't even fix that.
I have seen some successful with filter caps on the output / Input of
the inverter, but that is pretty hit an miss..
<http://www.rollsbattery.com>
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On Mon, Aug 17, 2020 at 10:42 AM Will White <w...@solarenergy.org
<mailto:w...@solarenergy.org>> wrote:
I've seen that same issue too. I assumed that the battery
charging, house base loads, and the microwave were too much power
for the small generator. The voltage drops big time which I
assume is what was causing the issue with the microwave and most
likely with the dryer too.
On Sat, Aug 15, 2020 at 11:51 AM Dan Fink <danbo...@gmail.com
<mailto:danbo...@gmail.com>> wrote:
I have the same problem at my place, and a couple client's
systems, with Magnum inverter/chargers and small ~2-3kw
generators (not just Honda). But the problem appliance is
microwave ovens, doesn't matter which microwave brand. They
run fine straight from the generator, and fine from the
inverter with no generator running, but make a strange, loud
hum, dim internal light, and food doesn't heat if the
generator is also charging the battery bank. I'll try to
figure out how to capture a waveform photo with my scopemeter
and post it.
Dan Fink
Executive Director, Buckville Energy Consulting
NABCEP PV Associate
NABCEP Certified PV System Inspector
IREC Certified Instructor™ for:
~ PV Installation Professional
~ Small Wind Installer
NABCEP Registered Continuing Education Providers
d
<mailto:dan.f...@greendustrialtraining.com>anbo...@gmail.com
<mailto:anbo...@gmail.com>
970-672-4342
On Sat, Aug 15, 2020 at 9:37 AM Kent Osterberg
<k...@coveoregon.com <mailto:k...@coveoregon.com>> wrote:
Matt,
I haven't looked at what the FXR does to the waveform of
a 3000-watt Honda, but I have used an oscilloscope to
look at the waveform of a small generator while an FX
inverter is charging batteries -- it pretty much makes an
ugly mess of the voltage waveform. Not surprised to hear
that some loads don't like to operate when the FXR is
charging batteries from a small generator. The FX charger
has a poor power factor and little filtering of the
current waveform, it is a tough load on a small
generator. The generator responds with lots of harmonic
voltages and high frequency noise.
Kent Osterberg
Blue Mountain Solar
On 8/15/2020 8:06 AM, Matt Sherald wrote:
Hello All,
My curiosity was piqued by a recent customer complaint.
I'm hoping someone has bumped up against this issue before.
The customer has a OB FXR2812 and a 3,000W Honda gen.
Her gas clothes dryer runs just fine off the OB inverter.
It runs properly on the Honda gen (when the inverter is
bypassed)
It will not run when the gen is on and battery charging
is taking place.
All the other AC loads (including the washing machine)
run properly during battery charging with the gen.
The OB inverter replaced an old Trace unit. The dryer
worked as it should with the Trace during battery charging.
Any thoughts are greatly appreciated. Thanks in advance!
--
Matt Sherald
PIMBY Energy, LLC
NABCEP Certified Solar PV Installer®
304-704-5943
www.getpimby.blogspot.com <http://www.getpimby.blogspot.com>
www.getpimby.com <http://www.getpimby.com>
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