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Ran a test today, couple of hang ups, the 100w field resistor is to low, it got so hot I burnt myself on it and it melted some insulation on a wire touching it. Also I am getting a 120hz on my analog gauge vs 60hz on my multimeter. Generator worked great, provided consistent power and met the...

Spent some more time re designing. Disconnected my exciter system from the DC buss, I found out that the exciter was backfeeding line voltage onto the dc bus and using my Espar ecu as a ground path I found the Espar heater had a chassis ground of 18k ohms when the ecu was connected. I combined...

yes, that is basically how my wiring is. The exciter windings are part of the stator windings and terminate on the N side of the power windings. I would have liked to separate the exciter from the power but it is not possible without taking the stator apart. you were right about almost killing...

If I die from this project I will make sure to post the details. thanks for noticing the issue with the grounds I didn’t see the issue with the grounds when I drew up that schematic, the grounds are isolated. the DC and AC buss ground check has no continuity between the two. I was debating...

My project seems to have blown something up, I installed the generator in my camper to run the AC buss. I basically gutted the MEP-531a electronics and moved them into a control panel in my camper. I had to modify quite a bit to get it to work, the ops check was ok the generator was able to...

Hello, first time posting on the generator forum. I have 2 MEP-531a generators, I could not get either of them to work, I found that the VR does not pass the lightbulb test and I can’t get to power on. Both VR are swelled and once is cracked. I found an aftermarket VR called a EA350, I could not...