modelREECb
WECC Electrical Control type B
Extends from Dynawo.Electrical.Controls.WECC.REEC.BaseClasses.BaseREEC (WECC Electrical Control REEC common).
Information
This block contains the electrical inverter control of the generic WECC PV model according to (in case page cannot be found, copy link in browser): https://www.wecc.biz/Reliability/WECC%20Solar%20Plant%20Dynamic%20Modeling%20Guidelines.pdf
Following control modes can be activated:
The block calculates the idCmdPu and iqCmdPu setpoint values for the generator control based on the selected control algorithm.
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Types.CurrentModulePu | Id0Pu (from ParamsREEC) | Start value of d-component current at injector terminal in pu (generator convention) (base SNom, UNom) | |
| Types.CurrentModulePu | Iq0Pu (from ParamsREEC) | Start value of q-component current at injector terminal in pu (generator convention) (base SNom, UNom) | |
| Types.PerUnit | PF0 (from ParamsREEC) | Start value of powerfactor | |
| Types.ActivePowerPu | PInj0Pu (from ParamsREEC) | Start value of active power at injector terminal in pu (generator convention) (base SNom) | |
| Types.ReactivePowerPu | QInj0Pu (from ParamsREEC) | Start value of reactive power at injector terminal in pu (generator convention) (base SNom) | |
| Types.VoltageModulePu | UInj0Pu (from ParamsREEC) | Start value of voltage magnitude at injector terminal in pu (base UNom) | |
| Electrical Control | |||
| Boolean | PfFlag (from ParamsREEC) | Power factor flag: Q control (0) or pf control(1) | |
| Boolean | PQFlag (from ParamsREEC) | Q/P priority: Q priority (0) or P priority (1) | |
| Boolean | QFlag (from ParamsREEC) | Q control flag: const. pf or Q ctrl (0) or voltage/Q (1) | |
| Boolean | VFlag (from ParamsREEC) | Voltage control flag: voltage control (0) or Q ctrl (1) | |
| Types.VoltageModulePu | Dbd1Pu (from ParamsREEC) | Overvoltage deadband for reactive current injection in pu (base UNom) (typical: -0.1..0) | |
| Types.VoltageModulePu | Dbd2Pu (from ParamsREEC) | Undervoltage deadband for reactive current injection in pu (base UNom) (typical: 0..0.1) | |
| Types.PerUnit | DPMaxPu (from ParamsREEC) | Active power upper rate limit in pu/s (base SNom) (typical: > 0.1, set to 99 to disable) | |
| Types.PerUnit | DPMinPu (from ParamsREEC) | Active power lower rate limit in pu/s (base SNom) (typical: < -0.1, set to -99 to disable) | |
| Types.CurrentModulePu | IMaxPu (from ParamsREEC) | Maximal apparent current magnitude in pu (base UNom, SNom) (typical: 1..2) | |
| Types.PerUnit | Iqh1Pu (from ParamsREEC) | Maximum reactive current injection (typical: 1..1.1) in pu (base UNom, SNom) | |
| Types.PerUnit | Iql1Pu (from ParamsREEC) | Minimum reactive current injection (typical: -1.1..-1) in pu (base UNom, SNom) | |
| Types.PerUnit | Kqi (from ParamsREEC) | Integrator gain local reactive power PI controller | |
| Types.PerUnit | Kqp (from ParamsREEC) | Proportional gain local reactive power PI controller | |
| Types.PerUnit | Kqv (from ParamsREEC) | K-Factor, reactive current injection gain (typical: 0..10) | |
| Types.PerUnit | Kvi (from ParamsREEC) | Integrator gain local voltage PI controller | |
| Types.PerUnit | Kvp (from ParamsREEC) | Proportional gain local voltage PI controller | |
| Types.ActivePowerPu | PMaxPu (from ParamsREEC) | Active power upper limit in pu (base SNom) (typical: 1) | |
| Types.ActivePowerPu | PMinPu (from ParamsREEC) | Active power lower limit in pu (base SNom) (typical: 0) | |
| Types.ReactivePowerPu | QMaxPu (from ParamsREEC) | Reactive power upper limit, when vFlag == 1 in pu (base SNom) | |
| Types.ReactivePowerPu | QMinPu (from ParamsREEC) | Reactive power lower limit, when vFlag == 1 in pu (base SNom) | |
| Types.Time | tIq (from ParamsREEC) | Filter time constant reactive current in s(typical: 0.01..0.02) | |
| Types.Time | tRv (from ParamsREEC) | Filter time constant terminal voltage in s(typical: 0.01..0.02) | |
| Types.Time | tP (from ParamsREEC) | Filter time constant active power in s (typical: 0.1..0.2) | |
| Types.Time | tPord (from ParamsREEC) | Filter time constant inverter active power in s | |
| Types.VoltageModulePu | VDipPu (from ParamsREEC) | Low voltage condition trigger voltage for FRT in pu (base UNom) (typical: 0..0.9) | |
| Types.VoltageModulePu | VMaxPu (from ParamsREEC) | Maximum voltage at inverter terminal in pu (base UNom) (typical: 1.05..1.15) | |
| Types.VoltageModulePu | VMinPu (from ParamsREEC) | Minimum voltage at inverter terminal in pu (base UNom) (typical: 0.85..0.95) | |
| Types.VoltageModulePu | VRef0Pu (from ParamsREEC) | Reference voltage for reactive current injection in pu (base UNom) (typical: 0.95..1.05) | |
| Types.VoltageModulePu | VUpPu (from ParamsREEC) | High voltage condition trigger voltage for FRT in pu (base UNom) (typical: 1.1..1.3) | |
| Types.VoltageModulePu | VRef1Pu | User-defined reference/bias on the inner-loop voltage control in pu (base UNom) (typical: 0 pu) | |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| Modelica.Blocks.Interfaces.RealInput | PFaRef (from BaseREEC) | Power factor angle reference in rad | |
| Modelica.Blocks.Interfaces.RealInput | PInjPu (from BaseREEC) | Active power at injector terminal in pu (generator convention) (base SNom) | |
| Modelica.Blocks.Interfaces.RealInput | PInjRefPu (from BaseREEC) | Active power setpoint at injector terminal in pu (generator convention) (base SNom) | |
| Modelica.Blocks.Interfaces.RealInput | QInjPu (from BaseREEC) | Reactive power at injector terminal in pu (generator convention) (base SNom) | |
| Modelica.Blocks.Interfaces.RealInput | QInjRefPu (from BaseREEC) | Reactive power setpoint at injector terminal in pu (generator convention) (base SNom) | |
| Modelica.Blocks.Interfaces.RealInput | UPu (from BaseREEC) | Voltage magnitude at injector terminal in pu (base UNom) | |
| Modelica.Blocks.Interfaces.RealOutput | idCmdPu (from BaseREEC) | idCmdPu setpoint for generator control in pu (base SNom, UNom) | |
| Modelica.Blocks.Interfaces.RealOutput | iqCmdPu (from BaseREEC) | iqCmdPu setpoint for generator control in pu (base SNom, UNom) | |
| Modelica.Blocks.Interfaces.RealOutput | UFilteredPu (from BaseREEC) | Filtered voltage module at injector terminal in pu (base UNom) | |
| Modelica.Blocks.Interfaces.BooleanOutput | frtOn (from BaseREEC) | Boolean signal for iq ramp after fault: true if FRT detected, false otherwise |