Generator Voltage

T

Thread Starter

TexasPower

I am trying to find out how fast the generator terminal voltage would collapse if we removed the field current from the generator. What is the driving factor?

Also, if we were to switch in a shorting resistor across the field input of the generator would that increase the rate at which the voltage collapsed?

Thank you.
 
TexasPower,

I know there are formulas for determining residual magnetism of a rotating magnetic field but I can't tell you where to find them--except in some text or reference book. I suppose if one knew the residual magnetism one could use the generator V-curves to estimate terminal voltage, but that's just a swag.

But, I am very curious about why this question is being researched? What mode of operation would require a quickly collapsing generator terminal voltage--or is this some kind of test or part of some test procedure?
 
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