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ePHASORSIM native library has the following PSS/e supported exciter models.
ExciterESAC1A
Description for this component will be added soon.
ExciterESAC5A
Description for this component will be added soon.
ExciterESAC6A
Description for this component will be added soon.
ExciterESAC8B
Description for this component will be added soon.
ExciterESDC1A
Description for this component will be added soon.
ExciterESDC2A
Description for this component will be added soon.
ExciterESST1A
Description for this component will be added soon.
ExciterESST4B
Description for this component will be added soon.
ExciterEXAC1
Description for this component will be added soon.
ExciterEXAC2
Description for this component will be added soon.
ExciterEXAC4
Description for this component will be added soon.
ExciterEXDC2
Description for this component will be added soon.
ExciterEXPIC1
Description for this component will be added soon.
ExciterEXST1
Description for this component will be added soon.
ExciterIEEET1
Description for this component will be added soon.
ExciterIEEEX1
Description for this component will be added soon.
ExciterIVOEX
Description for this component will be added soon.
ExciterSCRX
Description for this component will be added soon.
ExciterSEXS
Description for this component will be added soon.
ExciterURST5T
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Exciter ESAC1A
Parameters
Name | 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 ESAC5A
Parameters
Name | Description | Unit |
Tr | Input filter time constant | s |
Ka | Gain | pu |
Ta | Time constant | s |
Vrmax | Maximum controller output | pu |
| Vrmin | Minimum controller output | pu |
Kf | Rate feedback gain | pu |
Te | Exciter time constant | s |
Ke | Exciter field resistance line slope | pu |
Tf1 | Rate feebdack lag time constant | s |
Tf2 | Rate feebdack lag time constant | s |
Tf3 | Rate feebdack lead time constant | s |
E1 | Excitation voltage at point 1 | pu |
SE1 | Exciter Saturation factor at E1 | pu |
E2 | Excitation voltage at point 2 | pu |
SE2 | Exciter Saturation factor at E2 | pu |
Exciter ESAC6A
Parameters
Name | Description | Unit |
Tr | Filter time constant | s |
Ka | Gain | pu |
Ta | Time constant | s |
Tk | Lag time constant=0 | s |
Tb | Time constant | s |
Tc | Lead time constant | s |
Vamax | Maximum controller output | pu |
| Vamin | Minimum controller output | pu |
Vrmax | Maximum exciter output | pu |
Vrmin | Minimum exciter output | pu |
Te | Exciter time constant | s |
Kh | Exciter field current limiter gain | pu |
Tj | Field current limiter time constant | s |
Th | Field current limiter time constant | s |
Vfelim | Exciter field current limit reference | pu |
Vhmax | Maximum field current limiter | pu |
Kd | Exciter internal reactance | pu |
Kc | Rectifier regulation factor | pu |
Ke | Exciter field resistance constant | 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 ESAC8B
Parameters
Name | Description | Unit |
Tr | Voltage transducer time constant | s |
Kp | Voltage regulator proportional gain | pu |
Ki | Voltage regulator integral gain | pu |
Kd | Voltage regulator derivative gain | pu |
Td | Voltage regulator derivative time constant | s |
Vrmax | Maximum controller output | pu |
| Vrmin | Minimum controller output | pu |
Ka | Amplifier gain | pu |
Ta | Amplifier time constant | s |
Te | Exciter field time constant | s |
Ke | Exciter field proportional constant=0 | pu |
E1 | Excitation voltage at point 1 | pu |
SE1 | Exciter Saturation factor at E1 | pu |
E2 | Excitation voltage at point 2 | pu |
SE2 | Exciter Saturation factor at E2 | pu |
Exciter ESDC1A
Parameters
Name | Description | Unit |
Tr | Filter time constant | s |
Ka | Gain | pu |
Ta | Time constant | s |
Tb | Lag time constant | s |
Tc | Lead time constant | s |
Vrmax | Maximum controller output | pu |
| Vrmin | Minimum controller output | pu |
Ke | Exciter field resistance line slope | pu |
Te | Exciter time constant | s |
Kf | Rate feedback gain | pu |
Tf1 | Rate feedback time constant | s |
E1 | Excitation voltage at point 1 | pu |
SE1 | Exciter Saturation factor at E1 | pu |
E2 | Excitation voltage at point 2 | pu |
SE2 | Exciter Saturation factor at E2 | pu |
Exciter ESDC2A
Parameters
Name | Description | Unit |
Tr | Filter time constant | s |
Ka | Gain | pu |
Ta | Time constant | s |
Tb | Lag time constant | s |
Tc | Lead time constant | s |
Vrmax | Maximum controller output | pu |
| Vrmin | Minimum controller output | pu |
Ke | Exciter field resistance line slope | pu |
Te | Exciter time constant | s |
Kf | Rate feedback gain | pu |
Tf1 | Rate feedback time constant | s |
E1 | Excitation voltage at point 1 | pu |
SE1 | Exciter Saturation factor at E1 | pu |
E2 | Excitation voltage at point 2 | pu |
SE2 | Exciter Saturation factor at E2 | pu |
Exciter ESST1A
Parameters
Name | Description | Unit |
Uel | Under excitation limit | pu |
Vos | pu | |
Tr | Voltage transducer time constant | s |
Vimax | Maximum error | pu |
Vimin | Minimum error | pu |
Ka | Gain | pu |
Ta | Time constant | s |
Tb | Lag time constant | s |
Tb1 | Lag time constant | s |
Tc | Lead time constant | s |
Tc1 | Lead time constant | s |
Vrmax | Excitation voltage upper limit | pu |
| Vrmin | Excitation voltage lower limit | pu |
Kc | Excitation system regulation factor | pu |
Kf | Rate feedback gain | pu |
Tf | Rate feedback time constant | s |
Vamax | Maximum control element output | pu |
Vamin | Minimum control element output | pu |
Ilr | Maximum field current | pu |
Klr | Gain on field current limit | pu |
Exciter ESST4B
Parameters
Name | Description | Unit |
Tr | Voltage transducer time constant | s |
Kpr | AVR proportional gain | pu |
Kir | AVR integral gain | pu |
Vrmax | Maximum AVR output | pu |
Vrmin | Minimum AVR output | pu |
Ta | AVR Time constant | s |
Kpm | Proportional gain of inner loop regulator | pu |
Kim | Integral gain of inner loop regulator | pu |
Vmmax | Maximum inner loop regulator output | pu |
| Vmmin | Minimum inner loop regulator output | pu |
Kg | Inner loop feedback again | pu |
Kp | Potential source gain | pu |
Thetap | Phase angle of potential source | deg |
Ki | Current source gain | pu |
Vbmax | Maximum excitation voltage | pu |
Kc | Exciter regulation factor | pu |
Xl | Bar leakage reactance | pu |
Exciter EXAC1
Parameters
Name | Description | Unit |
Tr | Filter time constant | s |
Tb | Lag time constant | s |
Tc | Lead time constant | s |
Ka | AVR Gain | pu |
Ta | AVR time constant | s |
Te | Exciter time constant | s |
Kf | Rate feedback gain | pu |
Tf | Rate feedback time constant | s |
Kc | Rectifier regulation factor | pu |
Kd | Exciter internal reactance | pu |
Ke | Exciter field resistance constant | pu |
E1 | Excitation voltage at point 1 | pu |
SE1 | Exciter Saturation factor at E1 | - |
E2 | Excitation voltage at point 2 | pu |
SE2 | Exciter Saturation factor at E2 | - |
Vrmax | Maximum exciter control | pu |
Vrmin | Minimum exciter control | pu |
Exciter EXAC2
Parameters
Name | Description | Unit |
Tr | Filter time constant | s |
Tb | Lag time constant | s |
Tc | Lead time constant | s |
Ka | AVR Gain | pu |
Ta | AVR time constant | s |
Vamax | Maximum output | pu |
Vamin | Minimum output | pu |
Kb | Exciter field current controller gain | pu |
Kl | Exciter field current limiter gain | pu |
Kh | Exciter field current feedback gain | pu |
Te | Exciter time constant | s |
Kf | Rate feedback gain | pu |
Tf | Rate feedback time constant | s |
Kc | Rectifier regulation factor | pu |
Kd | Exciter internal reactance | pu |
Ke | Exciter field resistance constant | pu |
E1 | Excitation voltage at point 1 | pu |
SE1 | Exciter Saturation factor at E1 | - |
E2 | Excitation voltage at point 2 | pu |
SE2 | Exciter Saturation factor at E2 | - |
Vlr | Maximum exciter field voltage | pu |
Vrmax | Maximum exciter control | pu |
Vrmin | Minimum exciter control | pu |
Exciter EXAC4
Parameters
Name | Description | Unit |
Tr | Filter time constant | s |
Tb | Lag time constant | s |
Tc | Lead time constant | s |
Vimax | Maximum error | pu |
| Vimin | Minimum error | pu |
Ka | Gain | pu |
Ta | Time constant | s |
Vrmax | Maximum controller output | pu |
Vrmin | Minimum controller output | pu |
Kc | Excitation system regulataion | pu |
Exciter EXDC2
Parameters
Name | Description | Unit |
Tr | Filter time constant | s |
Tb | Voltage regulator time constant | s |
Tc | Voltage regulator time constant | s |
Ka | Gain | pu |
Ta | Time constant | s |
Vrmax | Maximum controller output | pu |
Vrmin | Minimum controller output | pu |
Te | Exciter time constant | s |
Ke | Exciter field resistance line slope | pu |
Kf | Rate feedback gain | pu |
Tf1 | Rate feedback lag time constant | s |
E1 | Excitation voltage at point 1 | pu |
SE1 | Exciter Saturation factor at E1 | - |
E2 | Excitation voltage at point 2 | pu |
SE2 | Exciter Saturation factor at E2 | - |
Exciter EXPIC1
Parameters
Name | Description | Unit |
Tr | Regulator input filter time constant | s |
Kpr | Proportional controller gain | pu |
Kir | Integral controller gain | pu |
Vr1 | Controller maximum limit | pu |
Vr2 | Controller minimum limit | pu |
Tas | Voltage regulator time constant | s |
Tas2 | Voltage regulator time constant | s |
Tas4 | Voltage regulator time constant | s |
Vrmax | Voltage maximum regulator output | pu |
Vrmin | Voltage minimum regulator output | pu |
Kf | Rate feedback gain | pu |
Tf1 | Rate feedback time constant | s |
Tf2 | Rate feedback time constant | s |
Efdmax | Efd maximum output | pu |
Efdmin | Efd minimum output | pu |
Ke | Exciter constant related to self-excited field | pu |
Te | Exciter time constant | s |
Kp | Potential circuit real part gain | pu |
Ki | Potential circuit imaginary part gain | pu |
Kc | Rectifier loading factor | pu |
E1 | Excitation voltage at point 1 | pu |
SE1 | Exciter Saturation factor at E1 | - |
E2 | Excitation voltage at point 2 | pu |
SE2 | Exciter Saturation factor at E2 | - |
Exciter EXST1
Parameters
Name | Description | Unit |
Tr | Regulator input filter time constant | s |
Vimax | Maximum regulator input voltage | pu |
Vimin | Minimum regulator input voltage | pu |
Tb | AVR lead-lag denominator time constant | s |
Tc | AVR lead-lag numerator time constant | s |
Ka | AVR filter gain | pu |
Ta | AVR filter time constant | s |
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 | s |
Kc | Rectifier loading factor | pu |
Exciter IEEET1
Parameters
Name | Description | Unit |
Tr | Regulator input filter time constant | s |
Ka | Voltage regulator gain | pu |
Ta | Voltage regulator time constant | s |
Vrmax | Maximum voltage regulator output | pu |
Vrmin | Minimum voltage regulator output | pu |
Te | Exciter time constant | s |
Ke | Exciter constant related to self-excited field | pu |
Kf | Excitation control system stabilizer gain | pu |
Tf | Excitation control system stabilizer time constant | s |
E1 | Excitation voltage at point 1 | pu |
SE1 | Exciter Saturation factor at E1 | - |
E2 | Excitation voltage at point 2 | pu |
SE2 | Exciter Saturation factor at E2 | - |
Exciter IEEEX1
Parameters
Name | Description | Unit |
Tr | Filter time constant | s |
Tb | Lag time constant | s |
Tc | Lead time constant | s |
Ka | Gain | pu |
Ta | Time constant | s |
Vrmax | Maximum controller output | pu |
Vrmin | Minimum controller output | pu |
Kf | Rate feedback gain | pu |
Tf | Rate feedback time constant | s |
Ke | Exciter field resistance line slope | pu |
Te | Exciter time constant | s |
E1 | Excitation voltage at point 1 | pu |
SE1 | Exciter Saturation factor at E1 | - |
E2 | Excitation voltage at point 2 | pu |
SE2 | Exciter Saturation factor at E2 | - |
Exciter IVOEX
Parameters
Name | Description | Unit |
K1 | Gain | pu |
A1 | Lead constant | pu |
A2 | Lag constant | pu |
T1 | Lead time constant | s |
T2 | Lag time constant | s |
Max1 | Maximum output | pu |
Min1 | Minimum output | pu |
K3 | Gain | pu |
| A3 | Lead constant | pu |
A4 | Lag constant | pu |
T3 | Lead time constant | s |
T4 | Lag time constant | s |
| Max3 | Maximum output | pu |
Min3 | Minimum output | pu |
K5 | Gain | pu |
A5 | Lead constant | pu |
A6 | Lag constant | pu |
T5 | Lead time constant | s |
T6 | Lag time constant | s |
Max5 | Maximum output | pu |
Min5 | Minimum output | pu |
Exciter SCRX
Parameters
Name | Description | Unit |
Ta/Tb | Gain reduction ratio | - |
Tb | Time constant | s |
K | Exciter Gain | pu |
Te | Time constant | s |
Emax | Maximum field voltage output | pu |
Emin | Minimum field voltage output | pu |
Cswitch | Voltage source switch – Bus fed = 0, Solid fed = 1. | - |
Rc/Rfd | Ratio of the crowbar resistance to field winding resistance Rc/Rfd | - |
Exciter SEXS
Parameters
Name | Description | Unit |
Ta | Lead time constant of transient filter | s |
Tb | Lag time constant of transient filter | s |
K | Exciter Gain | pu |
Te | Lag time constant of exciter | s |
Emax | Maximum field voltage limit | pu |
Emin | Minimum field voltage limit | pu |
Exciter URST5T
Parameters
Name | Description | Unit |
Tr | Filter time constant | s |
Tc1 | Regulator time constant | s |
Tb1 | Regulator time constant | s |
Tc2 | Regulator time constant | s |
Tb2 | Regulator time constant | s |
Kr | Regulator gain | pu |
Vrmax | Maximum voltage regulator output | pu |
Vrmin | Minimum voltage regulator output | pu |
T1 | Regulator time constant | s |
Kc | Rectifier regulation factor | pu |
Available I/O Pins
No | Pin Description | Pin Type | Value/Unit | Instruction |
1 | Get initial voltage reference | O | p.u. | exciterID/Vref0 |
2 | Set/Get voltage reference increment | I/O | p.u. | exciterID/pins/dVref |
| 3 | Get exciter output Efd | O | p.u. | exciterID/pins/Efd |
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