hockeyoligist2
Senior Member
- Location
- close to greenville sc
The voltage was very unstable on a 277/480 V generator with or without a load. Constantly up and down, too fast for my Fluke, had to get my old analog meter.
The RPM's and frequency are holding steady. I replaced the voltage adjustment pot on the panel, the old one checked good but I had a new one handy. I adjusted the stability pot on the voltage regulator (Generac) and got it to within 20v, was 50+v. The gain pot doesn't affect it at all.
I can raise and lower the voltage with the panel control and/or the voltage adjust pot on the regulator. I'm thinking the regulator is bad. Anything else I should check before buying a new one? The Boss wants to be sure before spending $300.
The RPM's and frequency are holding steady. I replaced the voltage adjustment pot on the panel, the old one checked good but I had a new one handy. I adjusted the stability pot on the voltage regulator (Generac) and got it to within 20v, was 50+v. The gain pot doesn't affect it at all.
I can raise and lower the voltage with the panel control and/or the voltage adjust pot on the regulator. I'm thinking the regulator is bad. Anything else I should check before buying a new one? The Boss wants to be sure before spending $300.