GovHydro4

Class Description

Hydro turbine and governor. Represents plants with straight-forward penstock configurations and hydraulic governors of the traditional ‘dashpot’ type. This model can be used to represent simple, Francis/Pelton or Kaplan turbines.

Attributes

Name Type Description
at PU Turbine gain (At). Typical value = 1,2.
bgv0 PU Kaplan blade servo point 0 (Bgv0) (= 0 for simple, = 0 for Francis/Pelton). Typical value for Kaplan = 0.
bgv1 PU Kaplan blade servo point 1 (Bgv1) (= 0 for simple, = 0 for Francis/Pelton). Typical value for Kaplan = 0.
bgv2 PU Kaplan blade servo point 2 (Bgv2) (= 0 for simple, = 0 for Francis/Pelton). Typical value for Kaplan = 0,1.
bgv3 PU Kaplan blade servo point 3 (Bgv3) (= 0 for simple, = 0 for Francis/Pelton). Typical value for Kaplan = 0,667.
bgv4 PU Kaplan blade servo point 4 (Bgv4) (= 0 for simple, = 0 for Francis/Pelton). Typical value for Kaplan = 0,9.
bgv5 PU Kaplan blade servo point 5 (Bgv5) (= 0 for simple, = 0 for Francis/Pelton). Typical value for Kaplan = 1.
bmax Float Maximum blade adjustment factor (Bmax) (= 0 for simple, = 0 for Francis/Pelton). Typical value for Kaplan = 1,1276.
db1 Frequency Intentional deadband width (db1). Unit = Hz. Typical value = 0.
db2 ActivePower Unintentional dead-band (db2). Unit = MW. Typical value = 0.
dturb PU Turbine damping factor (Dturb). Unit = delta P (PU of MWbase) / delta speed (PU). Typical value for simple = 0,5, Francis/Pelton = 1,1, Kaplan = 1,1.
eps Frequency Intentional db hysteresis (eps). Unit = Hz. Typical value = 0.
gmax PU Maximum gate opening, PU of MWbase (Gmax) (> GovHydro4.gmin). Typical value = 1.
gmin PU Minimum gate opening, PU of MWbase (Gmin) (< GovHydro4.gmax). Typical value = 0.
gv0 PU Nonlinear gain point 0, PU gv (Gv0) (= 0 for simple). Typical for Francis/Pelton = 0,1, Kaplan = 0,1.
gv1 PU Nonlinear gain point 1, PU gv (Gv1) (= 0 for simple, > GovHydro4.gv0 for Francis/Pelton and Kaplan). Typical value for Francis/Pelton = 0,4, Kaplan = 0,4.
gv2 PU Nonlinear gain point 2, PU gv (Gv2) (= 0 for simple, > GovHydro4.gv1 for Francis/Pelton and Kaplan). Typical value for Francis/Pelton = 0,5, Kaplan = 0,5.
gv3 PU Nonlinear gain point 3, PU gv (Gv3) (= 0 for simple, > GovHydro4.gv2 for Francis/Pelton and Kaplan). Typical value for Francis/Pelton = 0,7, Kaplan = 0,7.
gv4 PU Nonlinear gain point 4, PU gv (Gv4) (= 0 for simple, > GovHydro4.gv3 for Francis/Pelton and Kaplan). Typical value for Francis/Pelton = 0,8, Kaplan = 0,8.
gv5 PU Nonlinear gain point 5, PU gv (Gv5) (= 0 for simple, < 1 and > GovHydro4.gv4 for Francis/Pelton and Kaplan). Typical value for Francis/Pelton = 0,9, Kaplan = 0,9.
hdam PU Head available at dam (hdam). Typical value = 1.
model GovHydro4ModelKind The kind of model being represented (simple, Francis/Pelton or Kaplan).
mwbase ActivePower Base for power values (MWbase) (> 0). Unit = MW.
pgv0 PU Nonlinear gain point 0, PU power (Pgv0) (= 0 for simple). Typical value = 0.
pgv1 PU Nonlinear gain point 1, PU power (Pgv1) (= 0 for simple).
Typical value for Francis/Pelton = 0,42, Kaplan = 0,35.
pgv2 PU Nonlinear gain point 2, PU power (Pgv2) (= 0 for simple).
Typical value for Francis/Pelton = 0,56, Kaplan = 0,468.
pgv3 PU Nonlinear gain point 3, PU power (Pgv3) (= 0 for simple).
Typical value for Francis/Pelton = 0,8, Kaplan = 0,796.
pgv4 PU Nonlinear gain point 4, PU power (Pgv4) (= 0 for simple).
Typical value for Francis/Pelton = 0,9, Kaplan = 0,917.
pgv5 PU Nonlinear gain point 5, PU power (Pgv5) (= 0 for simple).
Typical value for Francis/Pelton = 0,97, Kaplan = 0,99.
qnl PU No-load flow at nominal head (Qnl).
Typical value for simple = 0,08, Francis/Pelton = 0, Kaplan = 0.
rperm Seconds Permanent droop (Rperm) (>= 0). Typical value = 0,05.
rtemp Seconds Temporary droop (Rtemp) (>= 0). Typical value = 0,3.
tblade Seconds Blade servo time constant (Tblade) (>= 0). Typical value = 100.
tg Seconds Gate servo time constant (Tg) (> 0). Typical value = 0,5.
tp Seconds Pilot servo time constant (Tp) (>= 0). Typical value = 0,1.
tr Seconds Dashpot time constant (Tr) (>= 0). Typical value = 5.
tw Seconds Water inertia time constant (Tw) (> 0). Typical value = 1.
uc Float Max gate closing velocity (Uc). Typical value = 0,2.
uo Float Max gate opening velocity (Uo). Typical value = 0,2.

Relationships

Inherits from

Descendant classes

  • No descendant classes

Leaf/Root class

IsLeaf IsRoot
False False

Associations

None