: Public Class
Created: 03/02/2012 09:40:31
Modified: 19/04/2012 22:40:52
Project:
Advanced:
The class represents IEEE Std 421.5-2005 type DC4B model. These excitation systems utilize a field-controlled dc commutator exciter with a continuously acting voltage regulator having supplies obtained from the generator or auxiliary bus.<br/><br/>Reference: IEEE Standard 421.5-2005 Section 5.4. <br/>
Attribute
Public PU
  efd1
Details:
Notes: Exciter voltage at which exciter saturation is defined (E<sub>FD1</sub>).  Typical Value = 1.75.<br/>
Public PU
  efd2
Details:
Notes: Exciter voltage at which exciter saturation is defined (E<sub>FD2</sub>).  Typical Value = 2.33.<br/>
Public PU
  ka
Details:
Notes: Voltage regulator gain (K<sub>A</sub>).  Typical Value = 1.<br/>
Public PU
  kd
Details:
Notes: Regulator derivative gain (K<sub>D</sub>).  Typical Value = 20.<br/>
Public PU
  ke
Details:
Notes: Exciter constant related to self-excited field (K<sub>E</sub>).  Typical Value = 1.<br/>
Public PU
  kf
Details:
Notes: Excitation control system stabilizer gain (K<sub>F</sub>).  Typical Value = 0.<br/>
Public PU
  ki
Details:
Notes: Regulator integral gain (K<sub>I</sub>).  Typical Value = 20.<br/>
Public PU
  kp
Details:
Notes: Regulator proportional gain (K<sub>P</sub>).  Typical Value = 20.<br/>
Public Boolean
  oelin
Details:
Notes: OEL input (OELin).<br/>true = LV gate<br/>false = subtract from error signal.<br/>Typical Value = true.<br/>
Public Float
  seefd1
Details:
Notes: Exciter saturation function value at the corresponding exciter voltage, E<sub>FD1</sub> (S<sub>E</sub>[E<sub>FD1</sub>]).  Typical Value = 0.08.<br/>
Public Float
  seefd2
Details:
Notes: Exciter saturation function value at the corresponding exciter voltage, E<sub>FD2</sub> (S<sub>E</sub>[E<sub>FD2</sub>]).  Typical Value = 0.27.<br/>
Public Seconds
  ta
Details:
Notes: Voltage regulator time constant (T<sub>A</sub>).  Typical Value = 0.2.<br/>
Public Seconds
  td
Details:
Notes: Regulator derivative filter time constant(T<sub>D</sub>).  Typical Value = 0.01.<br/>
Public Seconds
  te
Details:
Notes: Exciter time constant, integration rate associated with exciter control (T<sub>E</sub>).  Typical Value = 0.8.<br/>
Public Seconds
  tf
Details:
Notes: Excitation control system stabilizer time constant (T<sub>F</sub>).  Typical Value = 1.<br/>
Public Boolean
  uelin
Details:
Notes: UEL input (UELin).<br/>true = HV gate<br/>false = add to error signal.<br/>Typical Value = true.<br/>
Public PU
  vemin
Details:
Notes: Minimum exciter voltage output(V<sub>EMIN</sub>).  Typical Value = 0.<br/>
Public PU
  vrmax
Details:
Notes: Maximum voltage regulator output (V<sub>RMAX</sub>).  Typical Value = 2.7.<br/>
Public PU
  vrmin
Details:
Notes: Minimum voltage regulator output (V<sub>RMIN</sub>).  Typical Value = -0.9.<br/>
Object Type Connection Direction Notes
ExcitationSystemDynamics Class Generalization To