ALFC Loop AVR Loop APtie Steam / a water inlet AQH Inlet valve Controllable excitation Turbine APr ^yl^ ^ n ^T^H^^j Qenerator Q-V controller Aim vx W Comparator [ Field winding APr- ... This results in a change in the rotor field current, which in turn modifies the generator terminal voltage. ... 7.4 Schematic diagram of P-f controller and Q-V controller Fly-ball speed governer Hydraulic servomotor FIG.
|Title||:||Power System Operation and Control|
|Publisher||:||Pearson Education India - 2009|