: Public Class
Created: 02/02/2012 13:52:55
Modified: 22/02/2013 14:45:36
Project:
Advanced:
The class represents IEEE Std 421.5-2005 type AC2A model. The model represents a high initial response field-controlled alternator-rectifier excitation system. The alternator main exciter is used with non-controlled rectifiers. The Type AC2A model is similar to that of Type AC1A except for the inclusion of exciter time constant compensation and exciter field current limiting elements.<br/><br/>Reference: IEEE Standard 421.5-2005 Section 6.2.<br/>
Attribute
Public PU
  ka
Details:
Notes: Voltage regulator gain (K<sub>A</sub>).  Typical Value = 400.<br/>
Public PU
  kb
Details:
Notes: Second stage regulator gain (K<sub>B</sub>).  Typical Value = 25.<br/>
Public PU
  kc
Details:
Notes: Rectifier loading factor proportional to commutating reactance (K<sub>C</sub>).  Typical Value = 0.28.<br/>
Public PU
  kd
Details:
Notes: Demagnetizing factor, a function of exciter alternator reactances (K<sub>D</sub>).  Typical Value = 0.35.<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 gains (K<sub>F</sub>).  Typical Value = 0.03.<br/>
Public PU
  kh
Details:
Notes: Exciter field current feedback gain (K<sub>H</sub>).  Typical Value = 1.<br/>
Public Float
  seve1
Details:
Notes: Exciter saturation function value at the corresponding exciter voltage, V<sub>E1</sub>, back of commutating reactance (S<sub>E</sub>[V<sub>E1</sub>]).  Typical Value = 0.037.<br/>
Public Float
  seve2
Details:
Notes: Exciter saturation function value at the corresponding exciter voltage, V<sub>E2</sub>, back of commutating reactance (S<sub>E</sub>[V<sub>E2</sub>]).  Typical Value = 0.012.<br/>
Public Seconds
  ta
Details:
Notes: Voltage regulator time constant (T<sub>A</sub>).  Typical Value = 0.02.<br/>
Public Seconds
  tb
Details:
Notes: Voltage regulator time constant (T<sub>B</sub>).  Typical Value = 0.<br/>
Public Seconds
  tc
Details:
Notes: Voltage regulator time constant (T<sub>C</sub>).  Typical Value = 0.<br/>
Public Seconds
  te
Details:
Notes: Exciter time constant, integration rate associated with exciter control (T<sub>E</sub>).  Typical Value = 0.6.<br/>
Public Seconds
  tf
Details:
Notes: Excitation control system stabilizer time constant (T<sub>F</sub>).  Typical Value = 1.<br/>
Public PU
  vamax
Details:
Notes: Maximum voltage regulator output (V<sub>AMAX</sub>).  Typical Value = 8.<br/>
Public PU
  vamin
Details:
Notes: Minimum voltage regulator output (V<sub>AMIN</sub>).  Typical Value = -8.<br/>
Public PU
  ve1
Details:
Notes: Exciter alternator output voltages back of commutating reactance at which saturation is defined (V<sub>E1</sub>).  Typical Value = 4.4.<br/>
Public PU
  ve2
Details:
Notes: Exciter alternator output voltages back of commutating reactance at which saturation is defined (V<sub>E2</sub>).  Typical Value = 3.3.<br/>
Public PU
  vfemax
Details:
Notes: Exciter field current limit reference (V<sub>FEMAX</sub>).  Typical Value = 4.4.<br/>
Public PU
  vrmax
Details:
Notes: Maximum voltage regulator outputs (V<sub>RMAX</sub>).  Typical Value = 105.<br/>
Public PU
  vrmin
Details:
Notes: Minimum voltage regulator outputs (V<sub>RMIN</sub>).  Typical Value = -95.<br/>
Object Type Connection Direction Notes
ExcitationSystemDynamics Class Generalization To