I have a 3 phase 50kva diesel generator I'm working on. It's brushless and doesn't use an AVR, voltage is controlled by RPM. It's currently wired for 208v Y configuration. The machine was running good until all of the sudden it quit producing voltage. Upon inspection I found that one of the wires was not soldered very well to the rectifier wheel and it came off the diode. My understanding is that this broke the circuit for DC power getting to the main rotor which is why the generator lost voltage. Now the problem is that it still doesn't produce power. I've been looking for information on how to reflash it but haven't gotten to far with it. My understanding is that I need to induce a DC voltage to the exciter stator. What is the proper way of doing so? I assume I can do it with a 12v battery in parallel with some type of load to help regulate amperage? I have confirmed that diodes are still in good condition with a multi meter. Appreciate the help!
Reflashing generator
- Thread starter powerfool
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- Chapel Hill, NC
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- Retired Electrical Contractor
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