Power System Stabilizers (2016)

The inputs to this model are per-unit speed w, synchronous machine terminal voltage Vt, and discontinuous controller reference Vk. The output is Vs, which can be speed, terminal frequency, power or none.

Input Parameters

Name for Identification	Text		Optional text parameter for identification of the component.

PSS Status: 0-Initialize; 1-Release	INTEGER	Variable	A variable name can be used. This variable controls the status of the PSS.

DEC Status: 0-Initialize; 1-Release	INTEGER	Variable	A variable name can be used. This variable controls the status of the DEC.

Stabilizer?	Choice		Select from None, PSS1A, PSS2C, PSS3C, PSS4C, PSS5C, PSS6C or PSS7C.

Discontinuous Excitation Controller?	Choice		Select None, DEC1A, DEC2A, or DEC3A.

NOTE: This category is enabled only when Stabilizer? | PSS1A is selected.

Input Signal	Choice		Select None, Frequency, Speed or Power

Transducer Time Constant [T6]	REAL	Constant	Enter a value for the transducer time constant [s].

PSS gain [Ks]	REAL	Constant	Enter a value for the PSS gain [pu].

Washout Time Constant [T5]	REAL	Constant	Enter a value for the washout time constant [s].

Filter Constant [A1]	REAL	Constant	Enter a value for the filter constant.

Filter Constant [A2]	REAL	Constant	Enter a value for the filter constant.

First Lead Time Constant [T1]	REAL	Constant	Enter a value for the 1st lead time constant [s].

First Lag Time Constant [T2]	REAL	Constant	Enter a value for the 1st lag time constant [s].

Second Lead Time Constant [T3]	REAL	Constant	Enter a value for the 2nd lead time constant [s].

Second Lag Time Constant [T4]	REAL	Constant	Enter a value for the 2nd lag time constant [s].

PSS Output Max. Limit [VSTMAX]	REAL	Constant	Enter a value for the PSS output maximum limit [pu].

PSS Output Min. Limit [VSTMIN]	REAL	Constant	Enter a value for the PSS output minimum limit [pu].

NOTE: This category is enabled only when Stabilizer? | PSS2C is selected.

First Input Signal	Choice		Select None, Frequency, Speed or Power.

First Signal Maximum Input [VSI1MAX]	REAL	Constant	Enter a value for the first signal maximum input [pu].

First Signal Minimum Input [VSI1MIN]	REAL	Constant	Enter a value for the first signal minimum input [pu].

1st Signal 1st Washout Time [TW1]	REAL	Constant	Enter a value for the first signal first washout time [s].

1st Signal 2nd Washout Time [TW2]	REAL	Constant	Enter a value for the first signal second washout time [s].

1st Signal Transducer Time Constant [T6]	REAL	Constant	Enter a value for the first signal transducer time constant [s].

Second Input Signal	Choice		Select None, Frequency, Speed or Power.

Second Signal Maximum Input [VSI2MAX]	REAL	Constant	Enter a value for the second signal maximum input [pu].

Second Signal Minimum Input [VSI2MIN]	REAL	Constant	Enter a value for the second signal minimum input [pu].

2nd Signal 1st Washout Time [TW3]	REAL	Constant	Enter a value for the second signal first washout time [s].

2nd Signal 2nd Washout Time [TW4]	REAL	Constant	Enter a value for the second signal second washout time [s].

2nd Signal Gain [Ks2]	REAL	Constant	Enter a value for the second signal gain [pu].

2nd Signal Transducer Time Const. [T7]	REAL	Constant	Enter a value for the second signal transducer time constant [s].

2nd Signal 2nd Gain [Ks3]	REAL	Constant	Enter a value for the second signal second gain [pu].

NOTE: This category is enabled only when Stabilizer? | PSS2C is selected.

Filter Lead Time constant [T8]	REAL	Constant	Enter a value for the filter lead time constant [s].

Filter Lag Time constant [T9]	REAL	Constant	Enter a value for the filter lag time constant [s].

Integer Filter Constant [N]	INTEGER	Constant	Enter a value for the integer filter constant.

Integer Filter Constant [M]	INTEGER	Constant	Enter a value for the integer filter constant.

PSS Gain [Ks1]	REAL	Constant	Enter a value for the PSS gain [pu].

1st Lead Time Constant [T1]	REAL	Constant	Enter a value for the 1st lead time constant [s].

1st Lag Time Constant [T2]	REAL	Constant	Enter a value for the 1st lag time constant [s].

2nd Lead Time Constant [T3]	REAL	Constant	Enter a value for the 2nd lead time constant [s].

2nd Lag Time Constant [T4]	REAL	Constant	Enter a value for the 2nd lag time constant [s].

3rd Lead Time Constant [T10]	REAL	Constant	Enter a value for the 3rd lead time constant [s].

3rd Lag Time Constant [T11]	REAL	Constant	Enter a value for the 3rd lag time constant [s].

4th Lead Time Constant [T12]	REAL	Constant	Enter a value for the 4th lead time constant [s].

4th Lag Time Constant [T13]	REAL	Constant	Enter a value for the 4th lag time constant [s].

PSS Output Maximum Limit [VSTMAX]	REAL	Constant	Enter a value for the PSS output maximum limit [pu].

PSS Output Minimum Limit [VSTMIN]	REAL	Constant	Enter a value for the PSS output minimum limit [pu].

PSS Output Logic - Upper Threshold for Power Output [PPSON]	REAL	Constant	Enter a value for the PSS output logic - upper threshold for power output [pu].

PSS Output Logic - Lower Threshold for Power Output [PPSOFF]	REAL	Constant	Enter a value for the PSS output logic - lower threshold for power output [pu].

NOTE: This category is enabled only when Stabilizer? | PSS3C is selected.

First Input Signal	Choice		Select None, Frequency, Speed or Power

First Transducer Time Constant [T1]	REAL	Constant	Enter a value for the first transducer time constant [s].

First Signal Washout Time Constant [Tw1]	REAL	Constant	Enter a value for the first signal washout time constant [s].

First Input Signal Gain [Ks1]	REAL	Constant	Enter a value for the first input signal gain [pu].

Second Input Signal	Choice		Select None, Frequency, Speed or Power

Second Transducer Time Constant [T2]	REAL	Constant	Enter a value for the second transducer time constant [s].

Second Signal Washout Time Constant [Tw2]	REAL	Constant	Enter a value for the second signal washout time constant [s].

Second Input Signal Gain [Ks2]	REAL	Constant	Enter a value for the second input signal gain [pu].

NOTE: This category is enabled only when Stabilizer? | PSS3C is selected.

Washout Time Constant [Tw3]	REAL	Constant	Enter a value for the washout time constant [s].

Filter Coefficient [A#]	REAL	Constant	Enter a value for the corresponding filter coefficients [s].

PSS Output Maximum Limit [VSTMAX]	REAL	Constant	Enter a value for the PSS output maximum limit [pu].

PSS Output Minimum Limit [VSTMIN]	REAL	Constant	Enter a value for the PSS output minimum limit [pu].

PSS Output Logic - Upper Threshold for Power Output [PPSON]	REAL	Constant	Enter a value for the PSS output logic - upper threshold for power output [pu].

PSS Output Logic - Lower Threshold for Power Output [PPSOFF]	REAL	Constant	Enter a value for the PSS output logic - lower threshold for power output [pu].

NOTE: This category is enabled only when Stabilizer? | PSS4C is selected.

Include Notch Filters?	Choice		Select Yes or No.

Inertia Constant [H]	REAL	Constant	Enter a value for the inertia constant [s].

PSS Output Maximum Limit [VSTMAX]	REAL	Constant	Enter a value for the PSS output maximum limit [pu].

PSS Output Minimum Limit [VSTMIN]	REAL	Constant	Enter a value for the PSS output minimum limit [pu].

Tuned Frequency of the Notch Filter [WNI]	REAL	Constant	Enter a value for the tuned frequency of the notch filter [Hz]. This value is only available when Include Notch Filters? \| Yes is selected.

3dB Bandwidth of the Notch Filter (BWI)	REAL	Constant	Enter a value for the 3dB bandwidth of the notch filter [Hz]. This value is only available when Include Notch Filters? \| Yes is selected.

NOTE: This category is enabled only when Stabilizer? | PSS4C is selected.

Gain in Positive Branch [KVL1]	REAL	Constant	Enter a value for the gain in positive branch [pu].

Proportional Gain in First Block [KVL11]	REAL	Constant	Enter a value for the proportional gain in first block [pu].

Derivative Time Constant in First Block [TVL1]	REAL	Constant	Enter a value for the derivative time constant in first block [s].

Lag Time Constant in First Block [TVL2]	REAL	Constant	Enter a value for the lag time constant in first block [s].

Lead Time Constant in Second Block [TVL3]	REAL	Constant	Enter a value for the lead time constant in second block [s].

Lag Time Constant in Second Block [TVL4]	REAL	Constant	Enter a value for the lag time constant in second block [s].

Lead Time Constant in Third Block [TVL5]	REAL	Constant	Enter a value for the lead time constant in third block [s].

Lag Time Constant in Third Block [TVL6]	REAL	Constant	Enter a value for the lag time constant in third block [s].

Gain in Negative Branch [KVL2]	REAL	Constant	Enter a value for the gain in negative branch [pu].

Proportional Gain in First Block [KVL17]	REAL	Constant	Enter a value for the proportional gain in first block [pu].

Derivative Time Constant in First Block [TVL7]	REAL	Constant	Enter a value for the derivative time constant in first block [s].

Lag Time Constant in First Block [TVL8]	REAL	Constant	Enter a value for the lag time constant in first block [s].

Lead Time Constant in Second Block [TVL9]	REAL	Constant	Enter a value for the lead time constant in second block [s].

Lag Time Constant in Second Block [TVL10]	REAL	Constant	Enter a value for the lag time constant in second block [s].

Lead Time Constant in Third Block [TVL11]	REAL	Constant	Enter a value for the lead time constant in third block [s].

Lag Time Constant in Third Block [TVL12]	REAL	Constant	Enter a value for the lag time constant in third block [s].

Gain in Common Branch [KVL]	REAL	Constant	Enter a value for the gain in common branch [pu].

Maximum Limit [VVLMAX]	REAL	Constant	Enter a value for the maximum limit [pu].

Minimum Limit [VVLMIN]	REAL	Constant	Enter a value for the minimum limit [pu].

NOTE: This category is enabled only when Stabilizer? | PSS4C is selected.

Gain in Positive Branch [KL1]	REAL	Constant	Enter a value for the gain in positive branch [pu].

Proportional Gain in First Block [KL11]	REAL	Constant	Enter a value for the proportional gain in first block [pu].

Derivative Time Constant in First Block [TL1]	REAL	Constant	Enter a value for the derivative time constant in first block [s].

Lag Time Constant in First Block [TL2]	REAL	Constant	Enter a value for the lag time constant in first block [s].

Lead Time Constant in Second Block [TL3]	REAL	Constant	Enter a value for the lead time constant in second block [s].

Lag Time Constant in Second Block [TL4]	REAL	Constant	Enter a value for the lag time constant in second block [s].

Lead Time Constant in Third Block [TL5]	REAL	Constant	Enter a value for the lead time constant in third block [s].

Lag Time Constant in Third Block [TL6]	REAL	Constant	Enter a value for the lag time constant in third block [s].

Gain in Negative Branch [KL2]	REAL	Constant	Enter a value for the gain in negative branch [pu].

Proportional Gain in First Block [KL17]	REAL	Constant	Enter a value for the proportional gain in first block [pu].

Derivative Time Constant in First Block [TL7]	REAL	Constant	Enter a value for the derivative time constant in first block [s].

Lag Time Constant in First Block [TL8]	REAL	Constant	Enter a value for the lag time constant in first block [s].

Lead Time Constant in Second Block [TL9]	REAL	Constant	Enter a value for the lead time constant in second block [s].

Lag Time Constant in Second Block [TL10]	REAL	Constant	Enter a value for the lag time constant in second block [s].

Lead Time Constant in Third Block [TL11]	REAL	Constant	Enter a value for the lead time constant in third block [s].

Lag Time Constant in Third Block [TL12]	REAL	Constant	Enter a value for the lag time constant in third block [s].

Gain in Common Branch [KL]	REAL	Constant	Enter a value for the gain in common branch [pu].

Maximum Limit [VLMAX]	REAL	Constant	Enter a value for the maximum limit [pu].

Minimum Limit [VLMIN]	REAL	Constant	Enter a value for the minimum limit [pu].

NOTE: This category is enabled only when Stabilizer? | PSS4C is selected.

Gain in Positive Branch [KI1]	REAL	Constant	Enter a value for the gain in positive branch [pu].

Proportional Gain in First Block [KI11]	REAL	Constant	Enter a value for the proportional gain in first block [pu].

Derivative Time Constant in First Block [TI1]	REAL	Constant	Enter a value for the derivative time constant in first block [s].

Lag Time Constant in First Block [TI2]	REAL	Constant	Enter a value for the lag time constant in first block [s].

Lead Time Constant in Second Block [TI3]	REAL	Constant	Enter a value for the lead time constant in second block [s].

Lag Time Constant in Second Block [TI4]	REAL	Constant	Enter a value for the lag time constant in second block [s].

Lead Time Constant in Third Block [TI5]	REAL	Constant	Enter a value for the lead time constant in third block [s].

Lag Time Constant in Third Block [TI6]	REAL	Constant	Enter a value for the lag time constant in third block [s].

Gain in Negative Branch [KI2]	REAL	Constant	Enter a value for the gain in negative branch [pu].

Proportional Gain in First Block [KI17]	REAL	Constant	Enter a value for the proportional gain in first block [pu].

Derivative Time Constant in First Block [TI7]	REAL	Constant	Enter a value for the derivative time constant in first block [s].

Lag Time Constant in First Block [TI8]	REAL	Constant	Enter a value for the lag time constant in first block [s].

Lead Time Constant in Second Block [TI9]	REAL	Constant	Enter a value for the lead time constant in second block [s].

Lag Time Constant in Second Block [TI10]	REAL	Constant	Enter a value for the lag time constant in second block [s].

Lead Time Constant in Third Block [TI11]	REAL	Constant	Enter a value for the lead time constant in third block [s].

Lag Time Constant in Third Block [TI12]	REAL	Constant	Enter a value for the lag time constant in third block [s].

Gain in Common Branch [KI]	REAL	Constant	Enter a value for the gain in common branch [pu].

Maximum Limit [VIMAX]	REAL	Constant	Enter a value for the maximum limit [pu].

Minimum Limit [VIMIN]	REAL	Constant	Enter a value for the minimum limit [pu].

NOTE: This category is enabled only when Stabilizer? | PSS4C is selected.

Gain in Positive Branch [KH1]	REAL	Constant	Enter a value for the gain in positive branch [pu].

Proportional Gain in First Block [KH11]	REAL	Constant	Enter a value for the proportional gain in first block [pu].

Derivative Time Constant in First Block [TH1]	REAL	Constant	Enter a value for the derivative time constant in first block [s].

Lag Time Constant in First Block [TH2]	REAL	Constant	Enter a value for the lag time constant in first block [s].

Lead Time Constant in Second Block [TH3]	REAL	Constant	Enter a value for the lead time constant in second block [s].

Lag Time Constant in Second Block [TH4]	REAL	Constant	Enter a value for the lag time constant in second block [s].

Lead Time Constant in Third Block [TH5]	REAL	Constant	Enter a value for the lead time constant in third block [s].

Lag Time Constant in Third Block [TH6]	REAL	Constant	Enter a value for the lag time constant in third block [s].

Gain in Negative Branch [KH2]	REAL	Constant	Enter a value for the gain in negative branch [pu].

Proportional Gain in First Block [KH17]	REAL	Constant	Enter a value for the proportional gain in first block [pu].

Derivative Time Constant in First Block [TH7]	REAL	Constant	Enter a value for the derivative time constant in first block [s].

Lag Time Constant in First Block [TH8]	REAL	Constant	Enter a value for the lag time constant in first block [s].

Lead Time Constant in Second Block [TH9]	REAL	Constant	Enter a value for the lead time constant in second block [s].

Lag Time Constant in Second Block [TH10]	REAL	Constant	Enter a value for the lag time constant in second block [s].

Lead Time Constant in Third Block [TH11]	REAL	Constant	Enter a value for the lead time constant in third block [s].

Lag Time Constant in Third Block [TH12]	REAL	Constant	Enter a value for the lag time constant in third block [s].

Gain in Common Branch [KH]	REAL	Constant	Enter a value for the gain in common branch [pu].

Maximum Limit [VHMAX]	REAL	Constant	Enter a value for the maximum limit [pu].

Minimum Limit [VHMIN]	REAL	Constant	Enter a value for the minimum limit [pu].

NOTE: This category is enabled only when Stabilizer? | PSS6C is selected.

First Input Signal	Choice		Select None, Frequency, Speed or Power.

First Signal Maximum Input [VSI1MAX]	REAL	Constant	Enter a value for the first signal maximum input [pu].

First Signal Minimum Input [VSI1MIN]	REAL	Constant	Enter a value for the first signal minimum input [pu].

1st Signal Transducer Time Constant [T1]	REAL	Constant	Enter a value for the first signal transducer time constant [s].

1st Signal Gain [Ks1]	REAL	Constant	Enter a value for the first signal gain [pu].

1st Signal Time Constant [T3]	REAL	Constant	Enter a value for the first signal time constant [s].

Second Input Signal	Choice		Select None, Frequency, Speed or Power.

Second Signal Maximum Input [VSI2MAX]	REAL	Constant	Enter a value for the second signal maximum input [pu].

Second Signal Minimum Input [VSI2MIN]	REAL	Constant	Enter a value for the second signal minimum input [pu].

2nd Signal Transducer Time Constant [T2]	REAL	Constant	Enter a value for the second signal transducer time constant [s].

2nd Signal Gain [Ks2]	REAL	Constant	Enter a value for the second signal gain [pu].

2nd Signal Washout Time Constant [Macc]	REAL	Constant	Enter a value for the second signal washout time constant [s].

2nd Signal 2nd Time Constant [T4]	REAL	Constant	Enter a value for the second signal second time constant [s].

NOTE: This category is enabled only when Stabilizer? | PSS6C is selected.

Washout Time Constant [TD]	REAL	Constant	Enter a value for the washout time constant [s].

Canonical Gain 0 [K0]	REAL	Constant	Enter a value for the canonical gain 0 [pu].

1st Block Time Constant [Ti1]	REAL	Constant	Enter a value for the first block time constant [s].

Canonical Gain 1 [K1]	REAL	Constant	Enter a value for the canonical gain 1 [pu].

2nd Block Time Constant [Ti2]	REAL	Constant	Enter a value for the second block time constant [s].

Canonical Gain 2 [K2]	REAL	Constant	Enter a value for the canonical gain 2 [pu].

Include 3rd Block?	Choice		Select from Yes or No.

3rd Block Time Constant [Ti3]	REAL	Constant	Enter a value for the third block time constant [s]. This value is available only when Include 3rd Block? \| Yes is selected.

Canonical Gain 3 [K3]	REAL	Constant	Enter a value for the canonical gain 3 [pu]. This value is available only when Include 3rd Block? \| Yes is selected.

Include 4th Block?	Choice		Select from Yes or No. This value is available only when Include 3rd Block? \| Yes is selected.

4th Block Time Constant [Ti4]	REAL	Constant	Enter a value for the fourth block time constant [s]. This value is available only when Include 4th Block? \| Yes is selected.

Canonical Gain 4 [K4]	REAL	Constant	Enter a value for the canonical gain 4 [pu]. This value is available only when Include 4th Block? \| Yes is selected.

PSS Main Gain [KS]	REAL	Constant	Enter a value for the PSS main gain [pu].

PSS Output Maximum Limit [VSTMAX]	REAL	Constant	Enter a value for the PSS output maximum limit [pu].

PSS Output Minimum Limit [VSTMIN]	REAL	Constant	Enter a value for the PSS output minimum limit [pu]..

PSS Output Logic - Upper Threshold for Power Output [PPSON]	REAL	Constant	Enter a value for the PSS output logic - upper threshold for power output [pu].

PSS Output Logic - Lower Threshold for Power Output [PPSOFF]	REAL	Constant	Enter a value for the PSS output logic - lower threshold for power output [pu].

NOTE: This category is enabled only when Stabilizer? | PSS7C is selected.

First Input Signal	Choice		Select None, Frequency, Speed or Power.

First Signal Maximum Input [VSI1MAX]	REAL	Constant	Enter a value for the first signal maximum input [pu].

First Signal Minimum Input [VSI1MIN]	REAL	Constant	Enter a value for the first signal minimum input [pu].

1st Signal 1st Washout Time Constant [TW1]	REAL	Constant	Enter a value for the first signal first washout time constant [s].

1st Signal 2nd Washout Time Constant [TW2]	REAL	Constant	Enter a value for the first signal second washout time constant [s].

1st Signal Transducer Time Constant [T6]	REAL	Constant	Enter a value for the first signal transducer time constant [s].

Second Input Signal	Choice		Select None, Frequency, Speed or Power.

Second Signal Maximum Input [VSI2MAX]	REAL	Constant	Enter a value for the second signal maximum input [pu].

Second Signal Minimum Input [VSI2MIN]	REAL	Constant	Enter a value for the second signal minimum input [pu].

2nd Signal 1st Washout Time Constant [TW3]	REAL	Constant	Enter a value for the second signal first washout time constant [s].

2nd Signal 2nd Washout Time Constant [TW4]	REAL	Constant	Enter a value for the second signal second washout time constant [s].

2nd Signal Gain [Ks2]	REAL	Constant	Enter a value for the second signal gain [pu].

2nd Signal Transducer Time Constant [T7]	REAL	Constant	Enter a value for the second signal transducer time constant [s].

2nd Signal 2nd Gain [Ks3]	REAL	Constant	Enter a value for the second signal second gain [pu].

NOTE: This category is enabled only when Stabilizer? | PSS7C is selected.

PSS Gain [Ks1]	REAL	Constant	Enter a value for the PSS gain [pu].

Canonical Gain 0 [K0]	REAL	Constant	Enter a value for the canonical gain 0 [pu].

1st Block Time Constant [Ti1]	REAL	Constant	Enter a value for the first block time constant [s].

Canonical Gain 1 [K1]	REAL	Constant	Enter a value for the canonical gain 1 [pu].

2nd Block Time Constant [Ti2]	REAL	Constant	Enter a value for the second block time constant [s].

Canonical Gain 2 [K2]	REAL	Constant	Enter a value for the canonical gain 2 [pu].

Include 3rd Block?	Choice		Select from Yes or No.

3rd Block Time Constant [Ti3]	REAL	Constant	Enter a value for the third block time constant [s]. This value is available only when Include 3rd Block? \| Yes is selected.

Canonical Gain 3 [K3]	REAL	Constant	Enter a value for the canonical gain 3 [pu]. This value is available only when Include 3rd Block? \| Yes is selected.

Include 4th Block?	Choice		Select from Yes or No. This value is available only when Include 3rd Block? \| Yes is selected.

4th Block Time Constant [Ti4]	REAL	Constant	Enter a value for the fourth block time constant [s]. This value is available only when Include 4th Block? \| Yes is selected.

Canonical Gain 4 [K4]	REAL	Constant	Enter a value for the canonical gain 4 [pu]. This value is available only when Include 4th Block? \| Yes is selected.

PSS Output Maximum Limit [VSTMAX]	REAL	Constant	Enter a value for the PSS output maximum limit [pu].

PSS Output Minimum Limit [VSTMIN]	REAL	Constant	Enter a value for the PSS output minimum limit [pu]..

PSS Output Logic - Upper Threshold for Power Output [PPSON]	REAL	Constant	Enter a value for the PSS output logic - upper threshold for power output [pu].

PSS Output Logic - Lower Threshold for Power Output [PPSOFF]	REAL	Constant	Enter a value for the PSS output logic - lower threshold for power output [pu].

NOTE: This category is enabled only when Discontinuous Excitation Controller? | DEC1A is selected.

DEC Washout Time Constant [Tw5]	REAL	Constant	Enter a value for the DEC washout time constant [s].

Terminal Voltage Level Reference [VTC]	REAL	Constant	Enter a value for the terminal voltage level reference [pu].

Regulator Voltage Reference [VAL]	REAL	Constant	Enter a value for the regulator voltage reference [pu].

Speed Change Reference [Esc]	REAL	Constant	Enter a value for the speed change reference [pu].

Terminal Voltage Reference [VTLMT]	REAL	Constant	Enter a value for the terminal voltage reference [pu].

Terminal Voltage Maximum Deviation Over Reference	REAL	Constant	Enter a value for the terminal voltage maximum deviation over reference [pu].

Terminal Voltage Minimum Deviation Over Reference	REAL	Constant	Enter a value for the terminal voltage minimum deviation over reference [pu].

Terminal Voltage Limiter gain [KETL]	REAL	Constant	Enter a value for the terminal voltage limiter gain [pu].

Voltage Limiter Lead Time Constant [TL1]	REAL	Constant	Enter a value for the terminal voltage limiter lead time constant [s].

Voltage Limiter Lag Time Constant [TL2]	REAL	Constant	Enter a value for the terminal voltage limiter lag time constant [s].

NOTE: This category is enabled only when Discontinuous Excitation Controller? | DEC1A is selected.

Bang-Bang Controller Maximum Limit [VTM]	REAL	Constant	Enter a value for the bang-bang controller maximum limit [pu].

Bang-Bang Controller Minimum Limit [VTN]	REAL	Constant	Enter a value for the bang-bang controller minimum limit [pu].

Reset Delay Time [TD]	REAL	Constant	Enter a value for the reset delay time [s].

Integrator Gain [KAN]	REAL	Constant	Enter a value for the integrator gain [pu].

Integrator Time Constant [TAN]	REAL	Constant	Enter a value for the integrator time constant [s].

Integrator Maximum Limit [VANMAX]	REAL	Constant	Enter a value for the integrator maximum limit [pu].

PSS plus DEC Maximum Limit [VSMAX]	REAL	Constant	Enter a value for the PSS plus DEC maximum limit [pu].

PSS plus DEC Minimum Limit [VSMIN]	REAL	Constant	Enter a value for the PSS plus PSS and DEC minimum limit [pu].

NOTE: This category is enabled only when Discontinuous Excitation Controller? | DEC2A is selected.

Trigger Signal Amplitude [Vk]	REAL	Constant	Enter a value for the trigger signal amplitude [pu].

Controller Time Constant [TD1]	REAL	Constant	Enter a value for the controller time constant [s].

DEC Washout Time Constant [TD2]	REAL	Constant	Enter a value for the DEC washout time constant [s].

Terminal Voltage Maximum Limit [VTLIMIT]	REAL	Constant	Enter a value for the terminal voltage maximum limit [pu].

DEC Maximum Limit	REAL	Constant	Enter a value for the DEC maximum limit [pu].

DEC Minimum Limit	REAL	Constant	Enter a value for the DEC minimum limit [pu].

Central Frequency (in Hz) [FVL]	REAL	Constant	Enter a value for the central frequency [Hz].

Gain in Common Branch [KVL]	REAL	Constant	Enter a value for the gain in common branch [pu].

Maximum Limit [VVLMAX]	REAL	Constant	Enter a value for the maximum limit [pu].

Minimum Limit [VVLMIN]	REAL	Constant	Enter a value for the minimum limit [pu].

Central Frequency (in Hz) [FL]	REAL	Constant	Enter a value for the central frequency [Hz].

Gain in Common Branch [KL]	REAL	Constant	Enter a value for the gain in common branch [pu].

Maximum Limit [VLMAX]	REAL	Constant	Enter a value for the maximum limit [pu].

Minimum Limit [VLMIN]	REAL	Constant	Enter a value for the minimum limit [pu].

Central Frequency (in Hz) [FI]	REAL	Constant	Enter a value for the central frequency [Hz].

Gain in Common Branch [KI]	REAL	Constant	Enter a value for the gain in common branch [pu].

Maximum Limit [VIMAX]	REAL	Constant	Enter a value for the maximum limit [pu].

Minimum Limit [VIMIN]	REAL	Constant	Enter a value for the minimum limit [pu].

Central Frequency (in Hz) [FH]	REAL	Constant	Enter a value for the central frequency [Hz].

Gain in Common Branch [KH]	REAL	Constant	Enter a value for the gain in common branch [pu].

Maximum Limit [VHMAX]	REAL	Constant	Enter a value for the maximum limit [pu].

Minimum Limit [VHMIN]	REAL	Constant	Enter a value for the minimum limit [pu].

Controller Input Reference [VTMIN]	REAL	Constant	Enter a value for the controller input reference [pu].

Reset Time Delay [TDR]	REAL	Constant	Enter a value for the reset time delay [s].

Power System Stabilizers (2016)

Description

Input Parameters