GovSteam1

Class Description

Steam turbine governor, based on the GovSteamIEEE1 (with optional deadband and nonlinear valve gain added).

Attributes

Name	Type	Description
db1	Frequency	Intentional deadband width (<i>db1</i>). Unit = Hz. Typical value = 0.
db2	ActivePower	Unintentional deadband (<i>db2</i>). Unit = MW. Typical value = 0.
eps	Frequency	Intentional db hysteresis (<i>eps</i>). Unit = Hz. Typical value = 0.
gv1	PU	Nonlinear gain valve position point 1 (<i>GV1</i>). Typical value = 0.
gv2	PU	Nonlinear gain valve position point 2 (<i>GV2</i>). Typical value = 0,4.
gv3	PU	Nonlinear gain valve position point 3 (<i>GV3</i>). Typical value = 0,5.
gv4	PU	Nonlinear gain valve position point 4 (<i>GV4</i>). Typical value = 0,6.
gv5	PU	Nonlinear gain valve position point 5 (<i>GV5</i>). Typical value = 1.
gv6	PU	Nonlinear gain valve position point 6 (<i>GV6</i>). Typical value = 0.
k	PU	Governor gain (reciprocal of droop) (<i>K</i>) (> 0). Typical value = 25.
k1	Float	Fraction of HP shaft power after first boiler pass (<i>K1</i>). Typical value = 0,2.
k2	Float	Fraction of LP shaft power after first boiler pass (<i>K2</i>). Typical value = 0.
k3	Float	Fraction of HP shaft power after second boiler pass (<i>K3</i>). Typical value = 0,3.
k4	Float	Fraction of LP shaft power after second boiler pass (<i>K4</i>). Typical value = 0.
k5	Float	Fraction of HP shaft power after third boiler pass (<i>K5</i>). Typical value = 0,5.
k6	Float	Fraction of LP shaft power after third boiler pass (<i>K6</i>). Typical value = 0.
k7	Float	Fraction of HP shaft power after fourth boiler pass (<i>K7</i>). Typical value = 0.
k8	Float	Fraction of LP shaft power after fourth boiler pass (<i>K8</i>). Typical value = 0.
mwbase	ActivePower	Base for power values (<i>MWbase</i>) (> 0). Unit = MW.
pgv1	PU	Nonlinear gain power value point 1 (<i>Pgv1</i>). Typical value = 0.
pgv2	PU	Nonlinear gain power value point 2 (<i>Pgv2</i>). Typical value = 0,75.
pgv3	PU	Nonlinear gain power value point 3 (<i>Pgv3</i>). Typical value = 0,91.
pgv4	PU	Nonlinear gain power value point 4 (<i>Pgv4</i>). Typical value = 0,98.
pgv5	PU	Nonlinear gain power value point 5 (<i>Pgv5</i>). Typical value = 1.
pgv6	PU	Nonlinear gain power value point 6 (<i>Pgv6</i>). Typical value = 0.
pmax	PU	Maximum valve opening (<i>Pmax</i>) (> GovSteam1.pmin). Typical value = 1.
pmin	PU	Minimum valve opening (<i>Pmin</i>) (>= 0 and < GovSteam1.pmax). Typical value = 0.
sdb1	Boolean	Intentional deadband indicator. true = intentional deadband is applied false = intentional deadband is not applied. Typical value = true.
sdb2	Boolean	Unintentional deadband location. true = intentional deadband is applied before point "A" false = intentional deadband is applied after point "A". Typical value = true.
t1	Seconds	Governor lag time constant (<i>T1</i>) (>= 0). Typical value = 0.
t2	Seconds	Governor lead time constant (<i>T2</i>) (>= 0). Typical value = 0.
t3	Seconds	Valve positioner time constant (<i>T3) </i>(> 0). Typical value = 0,1.
t4	Seconds	Inlet piping/steam bowl time constant (<i>T4</i>) (>= 0). Typical value = 0,3.
t5	Seconds	Time constant of second boiler pass (<i>T5</i>) (>= 0). Typical value = 5.
t6	Seconds	Time constant of third boiler pass (<i>T6</i>) (>= 0). Typical value = 0,5.
t7	Seconds	Time constant of fourth boiler pass (<i>T7</i>) (>= 0). Typical value = 0.
uc	Float	Maximum valve closing velocity (<i>Uc</i>) (< 0). Unit = PU / s. Typical value = -10.
uo	Float	Maximum valve opening velocity (<i>Uo</i>) (> 0). Unit = PU / s. Typical value = 1.
valve	Boolean	Nonlinear valve characteristic. true = nonlinear valve characteristic is used false = nonlinear valve characteristic is not used. Typical value = true.

Relationships

Ancestors

• TurbineGovernorDynamics

Descendents

No descendent classes

Associations

None