: Public Class
Created: 04/04/2012 12:31:26
Modified: 30/08/2012 10:26:13
Project:
Advanced:
Modified single shaft gas turbine.<br/>
Attribute
Public Float
  a
Details:
Notes: Turbine power time constant numerator scale factor (a).  Typical Value = 0.8.<br/>
Public Float
  b
Details:
Notes: Turbine power time constant denominator scale factor (b).  Typical Value = 1.<br/>
Public Frequency
  db1
Details:
Notes: Intentional dead-band width (db1).  Unit = Hz.  Typical Value = 0.<br/>
Public ActivePower
  db2
Details:
Notes: Unintentional dead-band (db2).  Unit = MW.  Typical Value = 0.<br/>
Public Frequency
  eps
Details:
Notes: Intentional db hysteresis (eps).  Unit = Hz.  Typical Value = 0.<br/>
Public PU
  fidle
Details:
Notes: Fuel flow at zero power output (Fidle).  Typical Value = 0.18.<br/>
Public PU
  gv1
Details:
Notes: Nonlinear gain point 1, PU gv (Gv1).  Typical Value = 0.<br/>
Public PU
  gv2
Details:
Notes: Nonlinear gain point 2,PU gv (Gv2).  Typical Value = 0.<br/>
Public PU
  gv3
Details:
Notes: Nonlinear gain point 3, PU gv (Gv3).  Typical Value = 0.<br/>
Public PU
  gv4
Details:
Notes: Nonlinear gain point 4, PU gv (Gv4).  Typical Value = 0.<br/>
Public PU
  gv5
Details:
Notes: Nonlinear gain point 5, PU gv (Gv5).  Typical Value = 0.<br/>
Public PU
  gv6
Details:
Notes: Nonlinear gain point 6, PU gv (Gv6).  Typical Value = 0.<br/>
Public PU
  ka
Details:
Notes: Governor gain (Ka).  Typical Value = 0.<br/>
Public PU
  kt
Details:
Notes: Temperature limiter gain (Kt).  Typical Value = 3.<br/>
Public PU
  lmax
Details:
Notes: Ambient temperature load limit (Lmax).  Lmax is the turbine power output corresponding to the limiting exhaust gas temperature.  Typical Value = 1.<br/>
Public PU
  loadinc
Details:
Notes: Valve position change allowed at fast rate (Loadinc).  Typical Value = 0.05.<br/>
Public Float
  ltrate
Details:
Notes: Maximum long term fuel valve opening rate (Ltrate).  Typical Value = 0.02.<br/>
Public ActivePower
  mwbase
Details:
Notes: Base for power values (MWbase) (#gt; 0).  Unit = MW.<br/>
Public PU
  pgv1
Details:
Notes: Nonlinear gain point 1, PU power (Pgv1).  Typical Value = 0.<br/>
Public PU
  pgv2
Details:
Notes: Nonlinear gain point 2, PU power (Pgv2).  Typical Value = 0.<br/>
Public PU
  pgv3
Details:
Notes: Nonlinear gain point 3, PU power (Pgv3).  Typical Value = 0.<br/>
Public PU
  pgv4
Details:
Notes: Nonlinear gain point 4, PU power (Pgv4).  Typical Value = 0.<br/>
Public PU
  pgv5
Details:
Notes: Nonlinear gain point 5, PU power (Pgv5).  Typical Value = 0.<br/>
Public PU
  pgv6
Details:
Notes: Nonlinear gain point 6, PU power (Pgv6).  Typical Value = 0.<br/>
Public PU
  r
Details:
Notes: Permanent droop (R).  Typical Value = 0.04.<br/>
Public Float
  rmax
Details:
Notes: Maximum fuel valve opening rate (Rmax).  Unit = PU/sec.  Typical Value = 1.<br/>
Public Seconds
  t1
Details:
Notes: Governor mechanism time constant (T1).  T1 represents the natural valve positioning time constant of the governor for small disturbances, as seen when rate limiting is not in effect.  Typical Value = 0.5.<br/>
Public Seconds
  t2
Details:
Notes: Turbine power time constant (T2).  T2 represents delay due to internal energy storage of the gas turbine engine. T2 can be used to give a rough approximation to the delay associated with acceleration of the compressor spool of a multi-shaft engine, or with the compressibility of gas in the plenum of the free power turbine of an aero-derivative unit, for example.  Typical Value = 0.5.<br/>
Public Seconds
  t3
Details:
Notes: Turbine exhaust temperature time constant (T3).  T3 represents delay in the exhaust temperature and load limiting system. Typical Value = 3.<br/>
Public Seconds
  t4
Details:
Notes: Governor lead time constant (T4).  Typical Value = 0.<br/>
Public Seconds
  t5
Details:
Notes: Governor lag time constant (T5).  Typical Value = 0.<br/>
Public Seconds
  tltr
Details:
Notes: Valve position averaging time constant (Tltr).  Typical Value = 10.<br/>
Public PU
  vmax
Details:
Notes: Maximum turbine power, PU of MWbase (Vmax).  Typical Value = 1.<br/>
Public PU
  vmin
Details:
Notes: Minimum turbine power, PU of MWbase (Vmin).  Typical Value = 0.<br/>
Object Type Connection Direction Notes
TurbineGovernorDynamics Class Generalization To