: Public Class
Created: 03/02/2012 10:56:20
Modified: 08/08/2012 21:26:17
Project:
Advanced:
The class represents IEEE Std 421.5-2005 type ST4B model. This model is a variation of the Type ST3A model, with a proportional plus integral (PI) regulator block replacing the lag-lead regulator characteristic that is in the ST3A model. Both potential and compound source rectifier excitation systems are modeled.  The PI regulator blocks have non-windup limits that are represented. The voltage regulator of this model is typically implemented digitally.<br/><br/>Reference: IEEE Standard 421.5-2005 Section 7.4. <br/>
Attribute
Public PU
  kc
Details:
Notes: Rectifier loading factor proportional to commutating reactance (K<sub>C</sub>). Typical Value = 0.113.<br/>
Public PU
  kg
Details:
Notes: Feedback gain constant of the inner loop field regulator (K<sub>G</sub>).  Typical Value = 0.<br/>
Public PU
  ki
Details:
Notes: Potential circuit gain coefficient (K<sub>I</sub>).  Typical Value = 0.<br/>
Public PU
  kim
Details:
Notes: Voltage regulator integral gain output (K<sub>IM</sub>).  Typical Value = 0.<br/>
Public PU
  kir
Details:
Notes: Voltage regulator integral gain (K<sub>IR</sub>).  Typical Value = 10.75.<br/>
Public PU
  kp
Details:
Notes: Potential circuit gain coefficient (K<sub>P</sub>).  Typical Value = 9.3.<br/>
Public PU
  kpm
Details:
Notes: Voltage regulator proportional gain output (K<sub>PM</sub>).  Typical Value = 1.<br/>
Public PU
  kpr
Details:
Notes: Voltage regulator proportional gain (K<sub>PR</sub>).  Typical Value = 10.75.<br/>
Public Seconds
  ta
Details:
Notes: Voltage regulator time constant (T<sub>A</sub>).  Typical Value = 0.02.<br/>
Public AngleDegrees
  thetap
Details:
Notes: Potential circuit phase angle (thetap).  Typical Value = 0.<br/>
Public PU
  vbmax
Details:
Notes: Maximum excitation voltage (V<sub>BMax</sub>).  Typical Value = 11.63.<br/>
Public PU
  vmmax
Details:
Notes: Maximum inner loop output (V<sub>MMax</sub>).  Typical Value = 99.<br/>
Public PU
  vmmin
Details:
Notes: Minimum inner loop output (V<sub>MMin</sub>).  Typical Value = -99.<br/>
Public PU
  vrmax
Details:
Notes: Maximum voltage regulator output (V<sub>RMAX</sub>).  Typical Value = 1.<br/>
Public PU
  vrmin
Details:
Notes: Minimum voltage regulator output (V<sub>RMIN</sub>).  Typical Value = -0.87.<br/>
Public PU
  xl
Details:
Notes: Reactance associated with potential source (X<sub>L</sub>).  Typical Value = 0.124.<br/>
Object Type Connection Direction Notes
ExcitationSystemDynamics Class Generalization To