GovSteamFV4

Class Description

Detailed electro-hydraulic governor for steam unit.

Attributes

Name Type Description
rvgmx PU Maximum value of integral regulator (Rvgmx). Typical value = 1,2.
srmn PU Minimum valve opening (Srmn). Typical value = 0.
srmx PU Maximum valve opening (Srmx). Typical value = 1,1.
srsmp PU Intercept valves characteristic discontinuity point (Srsmp). Typical value = 0,43.
svmn Float Maximum regulator gate closing velocity (Svmn). Typical value = -0,0333.
svmx Float Maximum regulator gate opening velocity (Svmx). Typical value = 0,0333.
ta Seconds Control valves rate opening time (Ta) (>= 0). Typical value = 0,8.
tam Seconds Intercept valves rate opening time (Tam) (>= 0). Typical value = 0,8.
tc Seconds Control valves rate closing time (Tc) (>= 0). Typical value = 0,5.
tcm Seconds Intercept valves rate closing time (Tcm) (>= 0). Typical value = 0,5.
tdc Seconds Derivative time constant of pressure regulator (Tdc) (>= 0). Typical value = 90.
tf1 Seconds Time constant of fuel regulation (Tf1) (>= 0). Typical value = 10.
tf2 Seconds Time constant of steam chest (Tf2) (>= 0). Typical value = 10.
thp Seconds High pressure (HP) time constant of the turbine (Thp) (>= 0). Typical value = 0,15.
tmp Seconds Low pressure (LP) time constant of the turbine (Tmp) (>= 0). Typical value = 0,4.
trh Seconds Reheater time constant of the turbine (Trh) (>= 0). Typical value = 10.
tv Seconds Boiler time constant (Tv) (>= 0). Typical value = 60.
ty Seconds Control valves servo time constant (Ty) (>= 0). Typical value = 0,1.
y PU Coefficient of linearized equations of turbine (Stodola formulation) (Y). Typical value = 0,13.
yhpmn PU Minimum control valve position (Yhpmn). Typical value = 0.
yhpmx PU Maximum control valve position (Yhpmx). Typical value = 1,1.
ympmn PU Minimum intercept valve position (Ympmn). Typical value = 0.
ympmx PU Maximum intercept valve position (Ympmx). Typical value = 1,1.
cpsmn PU Minimum value of pressure regulator output (Cpsmn). Typical value = -1.
cpsmx PU Maximum value of pressure regulator output (Cpsmx). Typical value = 1.
crmn PU Minimum value of regulator set-point (Crmn). Typical value = 0.
crmx PU Maximum value of regulator set-point (Crmx). Typical value = 1,2.
kdc PU Derivative gain of pressure regulator (Kdc). Typical value = 1.
kf1 PU Frequency bias (reciprocal of droop) (Kf1). Typical value = 20.
kf3 PU Frequency control (reciprocal of droop) (Kf3). Typical value = 20.
khp PU Fraction of total turbine output generated by HP part (Khp). Typical value = 0,35.
kic PU Integral gain of pressure regulator (Kic). Typical value = 0,0033.
kip PU Integral gain of pressure feedback regulator (Kip). Typical value = 0,5.
kit PU Integral gain of electro-hydraulic regulator (Kit). Typical value = 0,04.
kmp1 PU First gain coefficient of intercept valves characteristic (Kmp1). Typical value = 0,5.
kmp2 PU Second gain coefficient of intercept valves characteristic (Kmp2). Typical value = 3,5.
kpc PU Proportional gain of pressure regulator (Kpc). Typical value = 0,5.
kpp PU Proportional gain of pressure feedback regulator (Kpp). Typical value = 1.
kpt PU Proportional gain of electro-hydraulic regulator (Kpt). Typical value = 0,3.
krc PU Maximum variation of fuel flow (Krc). Typical value = 0,05.
ksh PU Pressure loss due to flow friction in the boiler tubes (Ksh). Typical value = 0,08.
lpi PU Maximum negative power error (Lpi). Typical value = -0,15.
lps PU Maximum positive power error (Lps). Typical value = 0,03.
mnef PU Lower limit for frequency correction (MNEF). Typical value = -0,05.
mxef PU Upper limit for frequency correction (MXEF). Typical value = 0,05.
pr1 PU First value of pressure set point static characteristic (Pr1). Typical value = 0,2.
pr2 PU Second value of pressure set point static characteristic, corresponding to Ps0 = 1,0 PU (Pr2). Typical value = 0,75.
psmn PU Minimum value of pressure set point static characteristic (Psmn). Typical value = 1.
rsmimn PU Minimum value of integral regulator (Rsmimn). Typical value = 0.
rsmimx PU Maximum value of integral regulator (Rsmimx). Typical value = 1,1.
rvgmn PU Minimum value of integral regulator (Rvgmn). Typical value = 0.

Relationships

Inherits from

Descendant classes

  • No descendant classes

Leaf/Root class

IsLeaf IsRoot
False False

Associations

None