Exciter Model: PV1E

 

Model Equations and/or Block Diagrams

Parameters:

varflg 1 = Qord from PV plant Var controller emulator; -1 = Qord from vref; 0 = constant
Kqi Q control integral gain
Kvi V control integral gain
Vmax Maximum V at regulated bus, pu
Vmin Minimum V at regulated bus, pu
Qmax Maximum Q command, pu
Qmin Minimum Q command, pu
Tr Voltage measuremant lag, sec
Tc Lag time constant, sec
Kpv Regulator proportional gain
Kiv Regulator integral gain
pfaflg 1 = regulate power factor angle; 0 = regulate Q
Fn Scaling gain
Tv Time constant in proportional path, sec
Tpwr Time constant in power measurment for PFA control (tp), sec
Iphl Hard limit on real current, pu
Iqhl Hard limit on reactive current, pu
Pqflag 0 = Q priority; 1 = P priority
Xc Compensating reactance for voltage control, pu
Kqd Gain on Q Droop function
Tlpqd Time constant in Q Droop function
Xqd Compensating reactance for Q Droop function
VerMn Minimum limit on regulated bus voltage error, pu
VerMx Maximum limit on regulated bus voltage error, pu
Vfrz Voltage threshold to freeze integrators in PV plant Var controller emulator voltage regulator, pu
ImaxTD Maximum temperature dependent converter current, pu
Viqlim Maximum voltage dependent reactive current limit, pu