Stabilizer Model: PTIST1

 

Following checks and corrections are applied during Validation and AutoCorrection.

  • If 0 < Tp < Mult*TimeStep then Tp = Mult*TimeStep
  • If 0 < Tf < Mult*TimeStep then Tf = Mult*TimeStep
  • If 0 < T2 < Mult*TimeStep then T2 = Mult*TimeStep
  • If 0 < T4 < Mult*TimeStep then T4 = Mult*TimeStep

Mult represents the user-specified value Minimum time constant size as multiple of time step option on the Validation page of the Transient Stability Dialog

TimeStep represents the integration time step being used as described on TimeStep

Model Equations and/or Block Diagrams

Parameters:

DeltaTf Delta time constant, sec
DeltaTp Delta time constant, sec
DeltaTc Delta time constant, sec
Xq Terminal Voltage and Current of the generator along with the parameter Xq are used to estimate the complex internal voltage of the generator. The angle of this internal voltage is then taken, and a derivative of this angle is used to estimate the rotor speed.
M Time constant, sec
Tp Time constant, sec
Tf Time constant, sec
K Gain
T1 Time constant 1, sec
T2 Time constant 2, sec
T3 Time constant 3, sec
T4 Time constant 4, sec