[Milsurplus] Inverter Adjustment

[Mike Hanz]

Richard Brunner wrote:

> I've been playing with the 800-1-D rotary inverter, which is 24 vdc to 
> 120 vac 800 cycle. In the excitation circuit there is a carbon pile 
> adjustment, and a series resistor .  I've had good luck getting good 
> voltage regulation adjusting the carbon pile at light load, (key up) 
> and the resistor at full load. (key down)   However, there are two 
> ends to the carbon pile, and only one end is adjustable and locked.  
> The other end appears to be adjustable but not lockable.  When I screw 
> that end in tight, the voltage goes sky-high (140 volts) so that must 
> not be right.  Any experience here? 


Bottom of http://members.cox.net/aafradio/garajmahal/ might be of help, 
Richard.

73,
Mike de KC4TOS