Exciter

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Exciter

ePHASORSIM native library has the following PSS/E supported exciter models. At the bottom of this page there is a template where all exciters can be found. Once you have selected the desired exciter you can copy and paste it from this template into your Excel v2.0 file.

On this page:

ePHASORSIM native library has the following PSS/e supported exciter models. At the bottom of this page there is a template where all exciters can be found. Once you have selected the desired exciter you can copy and paste it from this template into your Excel v2.0 file.

Exciter AC7B

Parameters

Symbol

Description

Unit

Symbol

Description

Unit

Tr

Filter time constant

s

Kpr

Voltage regulator proportional gain

pu

Kir

Voltage regulator integral gain

pu

Kdr

Voltage regulator derivative gain

pu

Tdr

Lag time constant

s

Vrmax

Maximum voltage regulator output

pu

Vrmin

Minimum voltage regulator output

pu

Kpa

Voltage regulator proportional gain

pu

Kia

Voltage regulator integral gain

pu

Vamax

Maximum voltage regulator output

pu

Vamin

Minimum voltage regulator output

pu

Kp

Potential circuit gain coefficient

pu

Kl

Exciter field voltage lower limit parameter

pu

Te

Exciter time constant

s

Kc

Rectifier loading factor proportional to commutating reactance

pu

Kd

Demagnetizing factor, a function of exciter alternator reactance

pu

Ke

Exciter constant related to self-excited field

pu

Kf1

Excitation control system stabilizer gain

pu

Kf2

Excitation control system stabilizer gain

pu

Kf3

Excitation control system stabilizer gain

pu

Tf3

Excitation control system stabilizer time constant

s

Vemin

Minimum exciter voltage output

pu

Vfemax

Exciter field voltage limit reference 

pu

E1

Field voltage value 1

pu

SE1

Exciter Saturation factor at E1 

-

E2

Field voltage value 2

pu

SE2

Exciter Saturation factor at E2 

-

Exciter AC8B

Parameters

Symbol

Description

Unit

Symbol

Description

Unit

Tr

Filter time constant

s

Kpr

Voltage regulator proportional gain

pu

Kir

Voltage regulator integral gain

pu

Kdr

Voltage regulator derivative gain

pu

Tdr

Lag time constant

s

Ka

Voltage regulator gain

pu

Ta

Voltage regulator time constant

s

Vpidmax

Maximum voltage regulator output

pu

Vpidmin

Minimum voltage regulator output

pu

Vrmax

Maximum voltage regulator output

pu

Vrmin

Minimum voltage regulator output

pu

Te

Exciter time constant

s

Kc

Rectifier loading factor proportional to commutating reactance

pu

Kd

Demagnetizing factor, a function of exciter alternator reactance

pu

Ke

Exciter constant related to self-excited field

pu

Vfemax

Exciter field voltage limit reference

pu

Vemin

Minimum exciter voltage output

pu

E1

Field voltage value 1

pu

SE1

Exciter Saturation factor at E1 

-

E2

Field voltage value 2

pu

SE2

Exciter Saturation factor at E2 

-

Exciter ESAC1A

image-20250522-153157.png

Parameters

Symbol

Description

Unit

Symbol

Description

Unit

Tr

 Regulator input filter time constant

s

Tb

 AVR lead-leg numerator time constant

s

Tc

 AVR lead-leg denominator time constant

 s

Ka

AVR filter gain

pu

Ta

 AVR filter time constant

s

Vamax

Maximum filter output

pu

Vamin

Minimum filter output

pu

Vrmax

Maximum voltage regulator output

pu

Vrmin

Minimum voltage regulator output

pu

Kf

Excitation control system stabilizer gain

pu

Tf

Excitation control system stabilizer time constant

pu

Te

Exciter time constant

s

Ke

Exciter constant related to self-excited field

pu

Kd

Demagnetizing factor

pu

Kc

Rectifier loading factor

pu

E1

Field voltage value 1

pu

SE1

Exciter Saturation factor at E1 

-

E2

Field voltage value 2

pu

SE2

Exciter Saturation factor at E2 

-

Exciter ESAC2A

Parameters

Symbol

Description

Unit

Symbol

Description

Unit

Tr

 Regulator input filter time constant

s

Tb

 AVR lead-leg numerator time constant

s

Tc

 AVR lead-leg denominator time constant

 s

Ka

AVR filter gain

pu

Ta

 AVR filter time constant

s

Vamax

Maximum filter output

pu

Vamin

Minimum filter output

pu

Vrmax

Maximum voltage regulator output

pu

Vrmin

Minimum voltage regulator output

pu

Vfemax

Exciter field voltage limit reference

pu

Kh

Exciter field current feedback gain

pu

Kb

Second stage regulator gain 

pu

Kf

Excitation control system stabilizer gain

pu

Tf

Excitation control system stabilizer time constant

pu

Te

Exciter time constant

s

Ke

Exciter constant related to self-excited field

pu

Kd

Demagnetizing factor

pu

Kc

Rectifier loading factor

pu

E1

Field voltage value 1

pu

SE1

Exciter Saturation factor at E1 

-

E2

Field voltage value 2

pu

SE2

Exciter Saturation factor at E2 

-

Exciter ESAC3A

Parameters

Symbol

Description

Unit

Symbol

Description

Unit

Tr

 Regulator input filter time constant

s

Tb

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