GovGAST3

Class Description

Generic turbogas with acceleration and temperature controller.

Attributes

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

Relationships

Inherits from

Descendant classes

  • No descendant classes

Leaf/Root class

IsLeaf IsRoot
False False

Associations

None