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GovHydroWEH

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.]

Inheritance

Attributes

LabelTypeMultiplicityComment
dbFloat1..1Speed deadband (db).
dicnFloat1..1Value to allow the integral controller to advance beyond the gate limits (Dicn).
dpvFloat1..1Value to allow the pilot valve controller to advance beyond the gate limits (Dpv).
dturbFloat1..1Turbine damping factor (Dturb). Unit = delta P (PU of MWbase) / delta speed (PU).
feedbackSignalBoolean1..1Feedback 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.
fl1Float1..1Flowgate 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.
fl2Float1..1Flowgate 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.
fl3Float1..1Flowgate 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.
fl4Float1..1Flowgate 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.
fl5Float1..1Flowgate 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.
fp1Float1..1Flow 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.
fp10Float1..1Flow 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.
fp2Float1..1Flow 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.
fp3Float1..1Flow 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.
fp4Float1..1Flow 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.
fp5Float1..1Flow 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.
fp6Float1..1Flow 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.
fp7Float1..1Flow 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.
fp8Float1..1Flow 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.
fp9Float1..1Flow 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.
gmaxFloat1..1Maximum gate position (Gmax) (> GovHydroWEH.gmin).
gminFloat1..1Minimum gate position (Gmin) (< GovHydroWEH.gmax).
gtmxclFloat1..1Maximum gate closing rate (Gtmxcl).
gtmxopFloat1..1Maximum gate opening rate (Gtmxop).
gv1Float1..1Gate 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.
gv2Float1..1Gate 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.
gv3Float1..1Gate 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.
gv4Float1..1Gate 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.
gv5Float1..1Gate 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.
kdFloat1..1Derivative controller derivative gain (Kd).
kiFloat1..1Derivative controller Integral gain (Ki).
kpFloat1..1Derivative control gain (Kp).
mwbaseFloat1..1Base for power values (MWbase) (> 0). Unit = MW.
pmss1Float1..1Pmss 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.
pmss10Float1..1Pmss 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.
pmss2Float1..1Pmss 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.
pmss3Float1..1Pmss 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.
pmss4Float1..1Pmss 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.
pmss5Float1..1Pmss 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.
pmss6Float1..1Pmss 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.
pmss7Float1..1Pmss 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.
pmss8Float1..1Pmss 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.
pmss9Float1..1Pmss 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.
rpgFloat1..1Permanent droop for governor output feedback (R-Perm-Gate).
rppFloat1..1Permanent droop for electrical power feedback (R-Perm-Pe).
tdFloat1..1Derivative controller time constant (Td) (>= 0). Limits the derivative characteristic beyond a breakdown frequency to avoid amplification of high-frequency noise.
tdvFloat1..1Distributive valve time lag time constant (Tdv) (>= 0).
tgFloat1..1Value to allow the distribution valve controller to advance beyond the gate movement rate limit (Tg) (>= 0).
tpFloat1..1Pilot valve time lag time constant (Tp) (>= 0).
tpeFloat1..1Electrical power droop time constant (Tpe) (>= 0).
twFloat1..1Water inertia time constant (Tw) (> 0).