winding across the line through current-limiting resistors. ... to the indicator potential circuit by advancing the slider of the potentiometer-type resistor (left- hand control knob on the panel) . Fig. ... By means of a calculator furnished, the circuit power (watts), vars (reactive-volt-ampercs) , and power-factor may be determined.
|Title||:||Manual of electric instruments|
|Author||:||General Electric Company|