Question about Inverter Electronics - Others

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I have solar panels that put out a little more voltage then they are rated at,and they keep faulting out my grid tie inverter.I need a resister to knock down the voltage about 8 volts, got any ideas?

Sy-GWV Series Smart Gridtie Micro inverter My grid tie inverter is 60 volt max 600 watts, 50 amp I keep getting a high fault code on the inverter. I get an output reading from the solar panel at 57.3 volts but it surges to 68.2 sometimes I have been using the panels by covering them with cardboard about a quarter of the panel. It looks kinda tacky!

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You could use a PWM solar charge controller , to better regulate your voltages , but most grid tied inverters don't require them as they allow for a slightly higher voltages into them , a better situation would to maybe move half of your panels to another orientation , so that half your panels get full sun say sunrise to mid day and the other half miday to dusk this would produce a longer power supply than just all of them for midday sun plus would work better in the off seasons as well

Posted on Mar 11, 2016

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I like to ask, is the voltage from the solar panel messure with some load connected or is open circuit, normally solar panels produce high voltage than the working system, the reasson for that is to have Amperes in of to charge the batery, these is related to the size and power generated by the panel.
No need a resistor or in any case use a voltage regulator to prevent over charge.

Posted on Apr 21, 2015


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Posted on Jan 02, 2017

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SOURCE: Low voltage output from inverter

I am thinking this a high impediance device problem and this is normal operation - the user manual of my inverter warns about use with high impediance devices - if not I am interested also...

Posted on Mar 03, 2009

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SOURCE: In my question as to

this solution would likely work fine if you were only looking to have 110vac power. In order to have 220vac from two 110vac devices, you would need expensive equipment, and technical knowledge.

What you need to do in order to get 220vac is buy an inverter that will provide 220vac. There are many available.

Hope that helps.... Good Luck!

Posted on Nov 27, 2009

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It certainly sounds as if there is a power distribution problem from the panels supplying the 3100 W average output inverter. It can be anything from a corroded terminal to a damaged umbilical or anything in between.
A bad ground for the inverter will also limit output. It may read resistance / continuity but can not carry the amount of current needed to produce 3100 W output. Given it has only been 5 days the problem should not be hard to isolate and find.
I had a similar problem arise quite recently with an 18 panel system and the problem ended up being corrosion on a terminal block connection. Cleaned up the terminals and reconnected everything with a 2155W difference from the original output on a 3200W inverter system.

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