High-Gain AVR

# Voltage error gain K0v — voltage deviation channel gain

# Voltage derivative gain K1v — voltage change rate channel gain

# Field current derivative gain K1Ifd — gain on the excitation current rate channel

# Frequency error gain K0f — gain on the channel of voltage frequency deviation from nominal frequency

# Frequency derivative gain K1f — gain on the voltage frequency rate channel

# Voltage derivative time constant T1, s — lag time constant of the generator voltage change rate channel

# Frequency error time constant T2, s — delay time constant of the voltage frequency deviation channel from the nominal voltage frequency

# Frequency derivative time constant T3, s — lag time constant of the voltage frequency rate channel

# Frequency time constant T4, s — delay time constant of the common frequency channel

# Field current derivative time constant T5, s — time constant of the lag time of the excitation current rate channel

# Regulator time constant T6, s — delay time constant of the common ADF channel

# Сompensated transformer resistance Xcompounding, pu — transformer reactance compensated by the controller

# Voltage regulator limits [VRmax VRmin], pu — regulator output voltage value limits

# Initial condition of the regulator voltage Vr0, pu — initial value of the voltage regulator

# Reference voltage Vref, pu — voltage setpoint

# Initial condition of field current Ifd0, pu — initial value of generator excitation current

# Initial condition of terminal voltage magnitude Vmag0, pu — initial voltage value at the generator terminals

# Initial condition of terminal reactive current Ireactive0, pu — initial value of generator reactive current