GovSteamIEEE1

Class Description

IEEE steam turbine governor model.
Reference: IEEE Transactions on Power Apparatus and Systems, November/December 1973, Volume PAS-92, Number 6, Dynamic Models for Steam and Hydro Turbines in Power System Studies, page 1904.

Attributes

Name Type Description
k PU Governor gain (reciprocal of droop) (K) (> 0). Typical value = 25.
k1 Float Fraction of HP shaft power after first boiler pass (K1). Typical value = 0,2.
k2 Float Fraction of LP shaft power after first boiler pass (K2). Typical value = 0.
k3 Float Fraction of HP shaft power after second boiler pass (K3). Typical value = 0,3.
k4 Float Fraction of LP shaft power after second boiler pass (K4). Typical value = 0.
k5 Float Fraction of HP shaft power after third boiler pass (K5). Typical value = 0,5.
k6 Float Fraction of LP shaft power after third boiler pass (K6). Typical value = 0.
k7 Float Fraction of HP shaft power after fourth boiler pass (K7). Typical value = 0.
k8 Float Fraction of LP shaft power after fourth boiler pass (K8). Typical value = 0.
mwbase ActivePower Base for power values (MWbase) (> 0). Unit = MW.
pmax PU Maximum valve opening (Pmax) (> GovSteamIEEE1.pmin). Typical value = 1.
pmin PU Minimum valve opening (Pmin) (>= 0 and < GovSteamIEEE1.pmax). Typical value = 0.
t1 Seconds Governor lag time constant (T1) (>= 0). Typical value = 0.
t2 Seconds Governor lead time constant (T2) (>= 0). Typical value = 0.
t3 Seconds Valve positioner time constant (T3) (> 0). Typical value = 0,1.
t4 Seconds Inlet piping/steam bowl time constant (T4) (>= 0). Typical value = 0,3.
t5 Seconds Time constant of second boiler pass (T5) (>= 0). Typical value = 5.
t6 Seconds Time constant of third boiler pass (T6) (>= 0). Typical value = 0,5.
t7 Seconds Time constant of fourth boiler pass (T7) (>= 0). Typical value = 0.
uc Float Maximum valve closing velocity (Uc) (< 0). Unit = PU / s. Typical value = -10.
uo Float Maximum valve opening velocity (Uo) (> 0). Unit = PU / s. Typical value = 1.

Relationships

Inherits from

Descendant classes

  • No descendant classes

Leaf/Root class

IsLeaf IsRoot
False False

Associations

None