GovHydroWEH

Class Description

WoodwardTM electric hydro governor.
[Footnote: Woodward electric hydro governors are an example of suitable products available commercially. This information is given for the convenience of users of this document and does not constitute an endorsement by IEC of these products.]

Attributes

Name Type Description
db PU Speed deadband (db).
dicn PU Value to allow the integral controller to advance beyond the gate limits (Dicn).
dpv PU Value to allow the pilot valve controller to advance beyond the gate limits (Dpv).
dturb PU Turbine damping factor (Dturb). Unit = delta P (PU of MWbase) / delta speed (PU).
feedbackSignal Boolean Feedback signal selection (Sw).
true = PID output (if R-Perm-Gate = droop and R-Perm-Pe = 0)
false = electrical power (if R-Perm-Gate = 0 and R-Perm-Pe = droop) or
false = gate position (if R-Perm-Gate = droop and R-Perm-Pe = 0).
Typical value = false.
fl1 PU Flowgate 1 (Fl1). Flow value for gate position point 1 for lookup table representing water flow through the turbine as a function of gate position to produce steady state flow.
fl2 PU Flowgate 2 (Fl2). Flow value for gate position point 2 for lookup table representing water flow through the turbine as a function of gate position to produce steady state flow.
fl3 PU Flowgate 3 (Fl3). Flow value for gate position point 3 for lookup table representing water flow through the turbine as a function of gate position to produce steady state flow.
fl4 PU Flowgate 4 (Fl4). Flow value for gate position point 4 for lookup table representing water flow through the turbine as a function of gate position to produce steady state flow.
fl5 PU Flowgate 5 (Fl5). Flow value for gate position point 5 for lookup table representing water flow through the turbine as a function of gate position to produce steady state flow.
fp1 PU Flow P1 (Fp1). Turbine flow value for point 1 for lookup table representing PU mechanical power on machine MVA rating as a function of turbine flow.
fp10 PU Flow P10 (Fp10). Turbine flow value for point 10 for lookup table representing PU mechanical power on machine MVA rating as a function of turbine flow.
fp2 PU Flow P2 (Fp2). Turbine flow value for point 2 for lookup table representing PU mechanical power on machine MVA rating as a function of turbine flow.
fp3 PU Flow P3 (Fp3). Turbine flow value for point 3 for lookup table representing PU mechanical power on machine MVA rating as a function of turbine flow.
fp4 PU Flow P4 (Fp4). Turbine flow value for point 4 for lookup table representing PU mechanical power on machine MVA rating as a function of turbine flow.
fp5 PU Flow P5 (Fp5). Turbine flow value for point 5 for lookup table representing PU mechanical power on machine MVA rating as a function of turbine flow.
fp6 PU Flow P6 (Fp6). Turbine flow value for point 6 for lookup table representing PU mechanical power on machine MVA rating as a function of turbine flow.
fp7 PU Flow P7 (Fp7). Turbine flow value for point 7 for lookup table representing PU mechanical power on machine MVA rating as a function of turbine flow.
fp8 PU Flow P8 (Fp8). Turbine flow value for point 8 for lookup table representing PU mechanical power on machine MVA rating as a function of turbine flow.
fp9 PU Flow P9 (Fp9). Turbine flow value for point 9 for lookup table representing PU mechanical power on machine MVA rating as a function of turbine flow.
gmax PU Maximum gate position (Gmax) (> GovHydroWEH.gmin).
gmin PU Minimum gate position (Gmin) (< GovHydroWEH.gmax).
gtmxcl PU Maximum gate closing rate (Gtmxcl).
gtmxop PU Maximum gate opening rate (Gtmxop).
gv1 PU Gate 1 (Gv1). Gate Position value for point 1 for lookup table representing water flow through the turbine as a function of gate position to produce steady state flow.
gv2 PU Gate 2 (Gv2). Gate Position value for point 2 for lookup table representing water flow through the turbine as a function of gate position to produce steady state flow.
gv3 PU Gate 3 (Gv3). Gate Position value for point 3 for lookup table representing water flow through the turbine as a function of gate position to produce steady state flow.
gv4 PU Gate 4 (Gv4). Gate Position value for point 4 for lookup table representing water flow through the turbine as a function of gate position to produce steady state flow.
gv5 PU Gate 5 (Gv5). Gate Position value for point 5 for lookup table representing water flow through the turbine as a function of gate position to produce steady state flow.
kd PU Derivative controller derivative gain (Kd).
ki PU Derivative controller Integral gain (Ki).
kp PU Derivative control gain (Kp).
mwbase ActivePower Base for power values (MWbase) (> 0). Unit = MW.
pmss1 PU Pmss flow P1 (Pmss1). Mechanical power output for turbine flow point 1 for lookup table representing PU mechanical power on machine MVA rating as a function of turbine flow.
pmss10 PU Pmss flow P10 (Pmss10). Mechanical power output for turbine flow point 10 for lookup table representing PU mechanical power on machine MVA rating as a function of turbine flow.
pmss2 PU Pmss flow P2 (Pmss2). Mechanical power output for turbine flow point 2 for lookup table representing PU mechanical power on machine MVA rating as a function of turbine flow.
pmss3 PU Pmss flow P3 (Pmss3). Mechanical power output for turbine flow point 3 for lookup table representing PU mechanical power on machine MVA rating as a function of turbine flow.
pmss4 PU Pmss flow P4 (Pmss4). Mechanical power output for turbine flow point 4 for lookup table representing PU mechanical power on machine MVA rating as a function of turbine flow.
pmss5 PU Pmss flow P5 (Pmss5). Mechanical power output for turbine flow point 5 for lookup table representing PU mechanical power on machine MVA rating as a function of turbine flow.
pmss6 PU Pmss flow P6 (Pmss6). Mechanical power output for turbine flow point 6 for lookup table representing PU mechanical power on machine MVA rating as a function of turbine flow.
pmss7 PU Pmss flow P7 (Pmss7). Mechanical power output for turbine flow point 7 for lookup table representing PU mechanical power on machine MVA rating as a function of turbine flow.
pmss8 PU Pmss flow P8 (Pmss8). Mechanical power output for turbine flow point 8 for lookup table representing PU mechanical power on machine MVA rating as a function of turbine flow.
pmss9 PU Pmss flow P9 (Pmss9). Mechanical power output for turbine flow point 9 for lookup table representing PU mechanical power on machine MVA rating as a function of turbine flow.
rpg Float Permanent droop for governor output feedback (R-Perm-Gate).
rpp Float Permanent droop for electrical power feedback (R-Perm-Pe).
td Seconds Derivative controller time constant (Td) (>= 0). Limits the derivative characteristic beyond a breakdown frequency to avoid amplification of high-frequency noise.
tdv Seconds Distributive valve time lag time constant (Tdv) (>= 0).
tg Seconds Value to allow the distribution valve controller to advance beyond the gate movement rate limit (Tg) (>= 0).
tp Seconds Pilot valve time lag time constant (Tp) (>= 0).
tpe Seconds Electrical power droop time constant (Tpe) (>= 0).
tw Seconds Water inertia time constant (Tw) (> 0).

Relationships

Inherits from

Descendant classes

  • No descendant classes

Leaf/Root class

IsLeaf IsRoot
False False

Associations

None