: Public Class
Created: 02/02/2012 21:26:51
Modified: 23/04/2012 08:45:32
Project:
Advanced:
The class represents IEEE Std 421.5-2005 type AC7B model. The model represents excitation systems which consist of an ac alternator with either stationary or rotating rectifiers to produce the dc field requirements. It is an upgrade to earlier ac excitation systems, which replace only the controls but retain the ac alternator and diode rectifier bridge.<br/><br/>Reference: IEEE Standard 421.5-2005 Section 6.7.<br/><br/><b>Note: </b>In the IEEE Standard 421.5 – 2005, the [1 / sT<sub>E</sub>] block is shown as [1 / (1 + sT<sub>E</sub>)], which is incorrect.<br/>
Attribute
Public PU
  kc
Details:
Notes: Rectifier loading factor proportional to commutating reactance (K<sub>C</sub>). Typical Value = 0.18.<br/>
Public PU
  kd
Details:
Notes: Demagnetizing factor, a function of exciter alternator reactances (K<sub>D</sub>).  Typical Value = 0.02.<br/>
Public PU
  kdr
Details:
Notes: Voltage regulator derivative gain (K<sub>DR</sub>).  Typical Value = 0.<br/>
Public PU
  ke
Details:
Notes: Exciter constant related to self-excited field (K<sub>E</sub>).  Typical Value = 1.<br/>
Public PU
  kf1
Details:
Notes: Excitation control system stabilizer gain (K<sub>F1</sub>).  Typical Value = 0.212.<br/>
Public PU
  kf2
Details:
Notes: Excitation control system stabilizer gain (K<sub>F2</sub>).  Typical Value = 0.<br/>
Public PU
  kf3
Details:
Notes: Excitation control system stabilizer gain (K<sub>F3</sub>).  Typical Value = 0.<br/>
Public PU
  kia
Details:
Notes: Voltage regulator integral gain (K<sub>IA</sub>).  Typical Value = 59.69.<br/>
Public PU
  kir
Details:
Notes: Voltage regulator integral gain (K<sub>IR</sub>).  Typical Value = 4.24.<br/>
Public PU
  kl
Details:
Notes: Exciter field voltage lower limit parameter (K<sub>L</sub>).  Typical Value = 10.<br/>
Public PU
  kp
Details:
Notes: Potential circuit gain coefficient (K<sub>P</sub>).  Typical Value = 4.96.<br/>
Public PU
  kpa
Details:
Notes: Voltage regulator proportional gain (K<sub>PA</sub>).  Typical Value = 65.36.<br/>
Public PU
  kpr
Details:
Notes: Voltage regulator proportional gain (K<sub>PR</sub>).  Typical Value = 4.24.<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 = 0.44.<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 = 0.075.<br/>
Public Seconds
  tdr
Details:
Notes: Lag time constant (T<sub>DR</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 = 1.1.<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 = 1.<br/>
Public PU
  vamin
Details:
Notes: Minimum voltage regulator output (V<sub>AMIN</sub>).  Typical Value = -0.95.<br/>
Public PU
  ve1
Details:
Notes: Exciter alternator output voltages back of commutating reactance at which saturation is defined (V<sub>E1</sub>) equals V<sub>EMAX</sub> (V<sub>E1</sub>).  Typical Value = 6.3.<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 = 3.02.<br/>
Public PU
  vemin
Details:
Notes: Minimum exciter voltage output (V<sub>EMIN</sub>).  Typical Value = 0.<br/>
Public PU
  vfemax
Details:
Notes: Exciter field current limit reference (V<sub>FEMAX</sub>).  Typical Value = 6.9.<br/>
Public PU
  vrmax
Details:
Notes: Maximum voltage regulator output (V<sub>RMAX</sub>).  Typical Value = 5.79.<br/>
Public PU
  vrmin
Details:
Notes: Minimum voltage regulator output (V<sub>RMIN</sub>).  Typical Value = -5.79.<br/>
Object Type Connection Direction Notes
ExcitationSystemDynamics Class Generalization To