John T said: (quoted from post at 17:18:41 05/10/10) Cool, great explanation Jimbo, I enjoyed reading it. What you call the "pull in winding" (a good term to help one understand) I sometime refer to as (Im sure you know) the "shunt winding" as its across the cutout (GEN/ARM terminal) to ground, and as you say small wire as its relatively low curent as compared to the "hold in" I sometime refer to as the "series winding" and as you say big wire as its in series with the gennys output and may carry 20 amps. Its my understanding the reverse cutout current and the resulting opposite magnetic field is what helps drive open and unlatch the cutout relay.
I was thinking perhaps when the cutout closes and the series hold in winding is latching the relay, the shunt pull in winding drops out of the circuit??? you know for sure???? It would take a single pole double throw relay action to accomplish that but thats not rocket science, I need to take one apart or look at a diagram I reckon?????????????????????????
I agree the quality of Chinese made VR's isnt too great.
We need to meet up at a tractor show and swap a few big ones, maybe consume an adult beverage such as a barley soda, bring Bob M with you, we will gang up on him lol I outweigh him but bet he can outrun me !!!!
John T
No, john, both remain active....I have "unwound" a few.
"I was thinking perhaps when the cutout closes and the series hold in winding is latching the relay, the shunt pull in winding drops out of the circuit??? you know for sure???? It would take a single pole double throw relay action to accomplish that but thats not rocket science, I need to take one apart or look at a diagram I reckon????????????????????????? "
The reverse series current & associated field has to overcome the shunt field before drop out.
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