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SteveL · December 12th, 2018, 02:55 AM

The AC indication you read on a small DVM is not going to be accurate as they are optimised for a correct RMS value at 50/60 Hz all you get is an indication that it is working which should be good enough. When you measure between two of the three wires you have a reading is this the same value when you measure the third wire, you have a three phase generator so you should measure the same value between any two phases. Do you have the same values when the regulator is connected i.e. the generator is under load, I know you have measured with an ohm meter but with these very low values you need a special meter to get a meaningful result. It may be difficult to have access to the regulator input, but until you have measured the voltage there under load you can't rule out the generator windings.

Steve

December 12th, 2018, 02:55 AM	#6
SteveL old git Name: Steve Location: Geneve Switzerland Join Date: Mar 2009 Motorcycle(s): BMW K1300S Posts: 479	The AC indication you read on a small DVM is not going to be accurate as they are optimised for a correct RMS value at 50/60 Hz all you get is an indication that it is working which should be good enough. When you measure between two of the three wires you have a reading is this the same value when you measure the third wire, you have a three phase generator so you should measure the same value between any two phases. Do you have the same values when the regulator is connected i.e. the generator is under load, I know you have measured with an ohm meter but with these very low values you need a special meter to get a meaningful result. It may be difficult to have access to the regulator input, but until you have measured the voltage there under load you can't rule out the generator windings. Steve __________________________________________________ Some mistakes are too much fun to make only once.