GovSteamEU

Class Description

Simplified boiler and steam turbine with PID governor.

Attributes

Name Type Description
chc Float Control valves rate closing limit (Chc). Unit = PU / s. Typical value = -3,3.
cho Float Control valves rate opening limit (Cho). Unit = PU / s. Typical value = 0,17.
cic PU Intercept valves rate closing limit (Cic). Typical value = -2,2.
cio PU Intercept valves rate opening limit (Cio). Typical value = 0,123.
db1 PU Deadband of the frequency corrector (db1). Typical value = 0.
db2 PU Deadband of the speed governor (db2). Typical value = 0,0004.
hhpmax PU Maximum control valve position (Hhpmax). Typical value = 1.
ke PU Gain of the power controller (Ke). Typical value = 0,65.
kfcor PU Gain of the frequency corrector (Kfcor). Typical value = 20.
khp PU Fraction of total turbine output generated by HP part (Khp). Typical value = 0,277.
klp PU Fraction of total turbine output generated by HP part (Klp). Typical value = 0,723.
komegacor PU Gain of the speed governor (Kwcor). Typical value = 20.
mwbase ActivePower Base for power values (MWbase) (> 0). Unit = MW.
pmax PU Maximal active power of the turbine (Pmax). Typical value = 1.
prhmax PU Maximum low pressure limit (Prhmax). Typical value = 1,4.
simx PU Intercept valves transfer limit (Simx). Typical value = 0,425.
tb Seconds Boiler time constant (Tb) (>= 0). Typical value = 100.
tdp Seconds Derivative time constant of the power controller (Tdp) (>= 0). Typical value = 0.
ten Seconds Electro hydraulic transducer (Ten) (>= 0). Typical value = 0,1.
tf Seconds Frequency transducer time constant (Tf) (>= 0). Typical value = 0.
tfp Seconds Time constant of the power controller (Tfp) (>= 0). Typical value = 0.
thp Seconds High pressure (HP) time constant of the turbine (Thp) (>= 0). Typical value = 0,31.
tip Seconds Integral time constant of the power controller (Tip) (>= 0). Typical value = 2.
tlp Seconds Low pressure (LP) time constant of the turbine (Tlp) (>= 0). Typical value = 0,45.
tp Seconds Power transducer time constant (Tp) (>= 0). Typical value = 0,07.
trh Seconds Reheater time constant of the turbine (Trh) (>= 0). Typical value = 8.
tvhp Seconds Control valves servo time constant (Tvhp) (>= 0). Typical value = 0,1.
tvip Seconds Intercept valves servo time constant (Tvip) (>= 0). Typical value = 0,15.
tw Seconds Speed transducer time constant (Tw) (>= 0). Typical value = 0,02.
wfmax PU Upper limit for frequency correction (Wfmax) (> GovSteamEU.wfmin). Typical value = 0,05.
wfmin PU Lower limit for frequency correction (Wfmin) (< GovSteamEU.wfmax). Typical value = -0,05.
wmax1 PU Emergency speed control lower limit (wmax1). Typical value = 1,025.
wmax2 PU Emergency speed control upper limit (wmax2). Typical value = 1,05.
wwmax PU Upper limit for the speed governor (Wwmax) (> GovSteamEU.wwmin). Typical value = 0,1.
wwmin PU Lower limit for the speed governor frequency correction (Wwmin) (< GovSteamEU.wwmax). Typical value = -1.

Relationships

Inherits from

Descendant classes

  • No descendant classes

Leaf/Root class

IsLeaf IsRoot
False False

Associations

None