Governor Model: HYPID
AutoCorrection Properties
Following checks and corrections are applied during Validation and AutoCorrection.
- If 0.0 < Td < Mult*TimeStep then Td = Mult*TimeStep
- If 0.0 < Tg < Mult*TimeStep then Tg = Mult*TimeStep
- If 0.0 < Tw < Mult*TimeStep then Tw = Mult*TimeStep
- If Gmax < Gmin then swap the values.
Mult represents the user-specified value Minimum time constant size as multiple of time step option on the Validation page of the Transient Stability Dialog
TimeStep represents the integration time step being used as described on TimeStep
Following treatment is handled during the transient numerical simulation
- If Gate > Gmax , then Gmax = Gate or if Gate < Gmin , then Gmin = Gate
Model Equations and/or Block Diagrams
Parameters:
| MWCap | Turbine Rating, MW |
| Relec | Steady-state droop, pu, for electric power feedback |
| Tpelec | Electrical power transducer time constant, sec |
| Kp | Proportional gain, pu |
| Ki | Integral gain, pu |
| Kd | Derivative gain, pu |
| Td | Input filter time constant, sec |
| Tg | Gate servo time constant, sec |
| Velm | Maximum gate velocity, pu/sec |
| Gmax | Maximum gate velocity, pu of mwcap |
| Gmin | Minimum gate velocity, pu of mwcap |
| Tw | Water inertia time constant, sec |
| At | Turbine gain, pu |
| Dturb | Turbine damping coefficient, pu |
| Qnl | No-load flow at nominal head, pu |
| Gsp | Speed input gain |
| db1 | Intentional deadband width, Hz |
| Eps | Intentional db hysteresis, Hz |
| db2 | Unintentional deadband, MW |
| Gv0 | Nonlinear gain point 0, pu gv |
| Pgv0 | Nonlinear gain point 0, pu power |
| Gv1 | Nonlinear gain point 1, pu gv |
| Pgv1 | Nonlinear gain point 1, pu power |
| Gv2 | Nonlinear gain point 2, pu gv |
| Pgv2 | Nonlinear gain point 2, pu power |
| Gv3 | Nonlinear gain point 3, pu gv |
| Pgv3 | Nonlinear gain point 3, pu power |
| Gv4 | Nonlinear gain point 4, pu gv |
| Pgv4 | Nonlinear gain point 4, pu power |
| Gv5 | Nonlinear gain point 5, pu gv |
| Pgv5 | Nonlinear gain point 5, pu power |
| Hdam | Head available at dam, pu |
| Bgv0 | Kaplan blade servo point 0, pu |
| Bgv1 | Kaplan blade servo point 1, pu |
| Bgv2 | Kaplan blade servo point 2, pu |
| Bgv3 | Kaplan blade servo point 3, pu |
| Bgv4 | Kaplan blade servo point 4, pu |
| Bgv5 | Kaplan blade servo point 5, pu |
| Bmax | Maximum blade adjustment factor |
| Tblade | Blade servo time constant, sec |