William:
It was my understanding that in special circumstances, inverter
manufacturers are allowed to widen the allowances for specific
units. IIRC, a letter from the utility was required. In some inverters, a
change of firmware with the more liberal settings does the job. My memory
is subject to verification.
William Miller
At 10:06 AM 8/16/2009, you wrote:
I'm beginning to wonder if the allowed voltage range for grid-tie
inverters (+/-10%) is too
sensitive in some networks and contributes more harm than benefit.
This is close to home.
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