Arc fault tripping intermittently on generator

Briggs & Stratton generator troubleshooting
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Sammtillman
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Recently installed a Briggs on a brand new house. I have a few of the breakers tripping when the generator comes on. These breakers only have problems with the generator. I’ve been doing some research. My first guess could be a noise issue off the generator . I read they will trip at 100 hz. I also have a 3 volt unbalance between line and neutral. L1 to n is 119. And l2 to N is 121 volts. You can actually see the ghost amperage through the breakers before they trip. I also read that arc fault breakers do not see supply line neutral problems. I figured it could be a bad neutral connection. If it is I traced the bad readings back to the generator. I will keep the sight updated on what I fine. Will be calling Briggs if I can’t find the problem. I have a voltmeter which shows wave forms. Going to use it to see if I pick up a noise problem
Chris
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I've heard that older arc fault breakers were a pain on generator power. It may be that they just are too sensitive and need to be replaced.
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Sammtillman
Generator Guru
Generator Guru
Posts: 387
Joined: Tue Sep 15, 2020 8:42 am

Thanks Chris for your comment. Coming back for the holidays. The issue cleared up. I’m thinking the problem was a break in noise issue. Maybe the brushes needed a little time to seat. What ever it was it cleared up. I bought a 200.00 hand held oscilloscope in case I have some similar issues. I’m happy with the purchase.
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