: Public Class
Created: 07/05/2009 15:17:05
Modified: 04/01/2013 08:54:22
Project:
Advanced:
Simplified GovSteamIEEE1 Steam turbine governor model with Prmax limit and fast valving.<br/>
Attribute
Public PU
  k
Details:
Notes: Governor gain, (reciprocal of droop) (K).  Typical Value = 20.<br/>
Public PU
  k1
Details:
Notes: Fraction of turbine power developed after first boiler pass (K1).  Typical Value = 0.2.<br/>
Public PU
  k2
Details:
Notes: Fraction of turbine power developed after second boiler pass (K2).  Typical Value = 0.2.<br/>
Public PU
  k3
Details:
Notes: Fraction of hp turbine power developed after crossover or third boiler pass (K3). Typical Value = 0.6.<br/>
Public ActivePower
  mwbase
Details:
Notes: Base for power values (MWbase) (#gt;0).  Unit = MW.<br/>
Public PU
  pmax
Details:
Notes: Maximum valve opening, PU of MWbase (Pmax).  Typical Value = 1.<br/>
Public PU
  pmin
Details:
Notes: Minimum valve opening, PU of MWbase (Pmin).  Typical Value = 0.<br/>
Public PU
  prmax
Details:
Notes: Max. pressure in reheater (Prmax).  Typical Value = 1.<br/>
Public Seconds
  t1
Details:
Notes: Governor lead time constant (T1).  Typical Value = 0.<br/>
Public Seconds
  t2
Details:
Notes: Governor lag time constant (T2).  Typical Value = 0.<br/>
Public Seconds
  t3
Details:
Notes: Valve positioner time constant (T3).  Typical Value = 0.<br/>
Public Seconds
  t4
Details:
Notes: Inlet piping/steam bowl time constant (T4).  Typical Value = 0.2.<br/>
Public Seconds
  t5
Details:
Notes: Time constant of second boiler pass (i.e. reheater) (T5).  Typical Value = 0.5.<br/>
Public Seconds
  t6
Details:
Notes: Time constant of crossover or third boiler pass (T6).  Typical Value = 10.<br/>
Public Seconds
  ta
Details:
Notes: Time to close intercept valve (IV) (Ta).  Typical Value = 0.97.<br/>
Public Seconds
  tb
Details:
Notes: Time until IV starts to reopen (Tb).  Typical Value = 0.98.<br/>
Public Seconds
  tc
Details:
Notes: Time until IV is fully open (Tc).  Typical Value = 0.99.<br/>
Public Float
  uc
Details:
Notes: Maximum valve closing velocity (Uc).  Unit = PU/sec.  Typical Value = -1.<br/>
Public Float
  uo
Details:
Notes: Maximum valve opening velocity (Uo).  Unit = PU/sec.  Typical Value = 0.1.<br/>
Object Type Connection Direction Notes
TurbineGovernorDynamics Class Generalization To