GovGAST3

Class Description

Generic turbogas with acceleration and temperature controller.

Attributes

Name	Type	Description
bca	Float	Acceleration limit set-point (<i>Bca</i>). Unit = 1/s. Typical value = 0,01.
bp	PU	Droop (<i>bp</i>). Typical value = 0,05.
dtc	Temperature	Exhaust temperature variation due to fuel flow increasing from 0 to 1 PU (<i>deltaTc</i>). Typical value = 390.
ka	PU	Minimum fuel flow (<i>Ka</i>). Typical value = 0,23.
kac	Float	Fuel system feedback (<i>K</i><i><sub>AC</sub></i>). Typical value = 0.
kca	Float	Acceleration control integral gain (<i>Kca</i>). Unit = 1/s. Typical value = 100.
ksi	Float	Gain of radiation shield (<i>Ksi</i>). Typical value = 0,8.
ky	Float	Coefficient of transfer function of fuel valve positioner (<i>Ky</i>). Typical value = 1.
mnef	PU	Fuel flow maximum negative error value (<i>MNef</i>). Typical value = -0,05.
mxef	PU	Fuel flow maximum positive error value (<i>MXef</i>). Typical value = 0,05.
rcmn	PU	Minimum fuel flow (<i>RCMN</i>). Typical value = -0,1.
rcmx	PU	Maximum fuel flow (<i>RCMX</i>). Typical value = 1.
tac	Seconds	Fuel control time constant (<i>Tac</i>) (>= 0). Typical value = 0,1.
tc	Seconds	Compressor discharge volume time constant (<i>Tc</i>) (>= 0). Typical value = 0,2.
td	Seconds	Temperature controller derivative gain (<i>Td</i>) (>= 0). Typical value = 3,3.
tfen	Temperature	Turbine rated exhaust temperature correspondent to Pm=1 PU (<i>Tfen</i>). Typical value = 540.
tg	Seconds	Time constant of speed governor (<i>Tg</i>) (>= 0). Typical value = 0,05.
tsi	Seconds	Time constant of radiation shield (<i>Tsi</i>) (>= 0). Typical value = 15.
tt	Temperature	Temperature controller integration rate (<i>Tt</i>). Typical value = 250.
ttc	Seconds	Time constant of thermocouple (<i>Ttc</i>) (>= 0). Typical value = 2,5.
ty	Seconds	Time constant of fuel valve positioner (<i>Ty</i>) (>= 0). Typical value = 0,2.

Relationships

Ancestors

• TurbineGovernorDynamics

Descendents

No descendent classes

Associations

None