Forum Discussion
MrWizard
Aug 25, 2017Moderator
The brushes on the rotor slip rings control current and voltage to the rotor which controls output voltage
Nothing to do with Hz, that is strictly rotation speed which is controlled by the governor
Only one winding in the rotor
The stator winding are the poles
One runs at 3600 rpm
Two runs st 1800 rpm
Three runs at 1200 rpm
I have never seen a gas RV Onan three pole 1200, rpm model,
I'm not going to claim they were never made, just i have never seen one
To get 18 Hz you need a dead winding in a two pole running at about half speed, just above half speed
Nothing to do with Hz, that is strictly rotation speed which is controlled by the governor
Only one winding in the rotor
The stator winding are the poles
One runs at 3600 rpm
Two runs st 1800 rpm
Three runs at 1200 rpm
I have never seen a gas RV Onan three pole 1200, rpm model,
I'm not going to claim they were never made, just i have never seen one
To get 18 Hz you need a dead winding in a two pole running at about half speed, just above half speed
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