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Old 25-09-2017, 03:40   #1
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Join Date: Apr 2015
Location: UK
Boat: Moody 37
Posts: 71
Testing my fixed genny

I recently took apart a broken Windair genny and replaced the blown electrical components as they are dirt-cheap.

Any suggestions on how I can test whether my repairs have been successful without going through the rigmarole of re-installing the genny on the boat? I have access to a limited amount of test equipment and supplies and a very basic knowledge of physics and electronics. Can anyone suggest a test rig?
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Old 25-09-2017, 04:49   #2
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Join Date: Sep 2009
Location: Houston
Boat: '76 Allied Seawind II, 32'
Posts: 7,517
Re: Testing my fixed genny

I don't know anything about your manufacturer of wind gen, however if it is direct D.C. Output you can...

Hook a drill to the shaft, attach the output leads to a battery and use a clamp meter to measure current with the drill turning the shaft. Alternatively if you only have a multimeter, most of those have a 10 amp current measuring capability. Run the lead through the meter and control the drill speed to keep the output under 10 amps.

If you gen is ac output rectified elsewhere you can spin the shaft and measure ac volts. Or pull the rectifier and connect and test as above.
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