modelMeasurementBus
Three-phase active and reactive power measurement bus
Extends from ThreePhaseComponent (Partial model for inheritance of single-phase base power based on three-phase system base power.).
Information
This three-phase measurement device should be connected in series, between two other devices. The main features of this device are listed below:
- Pins p4, p5 and p6 work as input pins for electrical quantities coming from phases A, B and C, respectively.
- In an similar way, pins p1, p2 an p3 work as output pins for electrical quantities coming from phases A, B and C, respectively.
- Current flows from pin p4 to pin p1, from pin p5 to pin p2 and from pin p6 to pin p3.
- There is no voltage drop between the pairs of pins responsible for each phase.
The device returns, as real outputs, active and reactive powers coming from each of the three phases. All values are calculated in per unit, using the system's three-phase power base, S_b, provided in model SystemBase. The outputs are explained in the list below:
- pa and qareturns the active and reactive power, respectively, in phase A.
- pb and qb returns the active and reactive power, respectively, in phase B.
- pc and qc returns the active and reactive power, respectively, in phase C.
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Power flow data | |||
| Types.ApparentPower | S_b (from ThreePhaseComponent) | SysData.S_b | System base |
| Types.ApparentPower | S_p (from ThreePhaseComponent) | SysData.S_b/3 | Phase base |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| OpenIPSL.Interfaces.PwPin | p1 | Phase A output | |
| OpenIPSL.Interfaces.PwPin | p2 | Phase B output | |
| OpenIPSL.Interfaces.PwPin | p3 | Phase C output | |
| OpenIPSL.Interfaces.PwPin | p4 | Phase A input | |
| OpenIPSL.Interfaces.PwPin | p5 | Phase B input | |
| OpenIPSL.Interfaces.PwPin | p6 | Phase C input | |
| Modelica.Blocks.Interfaces.RealOutput | pa | Pa/S_b | [pu, system base] |
| Modelica.Blocks.Interfaces.RealOutput | pb | Pb/S_b | [pu, system base] |
| Modelica.Blocks.Interfaces.RealOutput | pc | Pc/S_b | [pu, system base] |
| Modelica.Blocks.Interfaces.RealOutput | qa | Qa/S_b | [pu, system base] |
| Modelica.Blocks.Interfaces.RealOutput | qb | Qb/S_b | [pu, system base] |
| Modelica.Blocks.Interfaces.RealOutput | qc | Qc/S_b | [pu, system base] |
Components
| Type | Name | Default | Description |
|---|---|---|---|
| OpenIPSL.Electrical.SystemBase | SysData (from ThreePhaseComponent) | Must add this line in all models | |
| Types.ActivePower | Pa | Active power suplyed in phase a | |
| Types.ReactivePower | Qa | Reactive power suplyed in phase a | |
| Types.ActivePower | Pb | Active power suplyed in phase b | |
| Types.ReactivePower | Qb | Reactive power suplyed in phase b | |
| Types.ActivePower | Pc | Active power suplyed in phase c | |
| Types.ReactivePower | Qc | Reactive power suplyed in phase c |