Can I Measure Grid-tie Inverter Output With a Kill-A-Watt Meter?
I have successfully used a Kill-a-watt meter to measure the output of my grid-tie inverter by reversing the plug input and output, but that was while the sun was shining. However I'm not sure what will happen when the sun goes down. Will the meter be OK with the mains voltage on the output side and no power coming from the inverter? Secondly, can I just plug the meter in normally, and measure a negative power usage?
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