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Positive Sequence Load
- Sylvain Ménard
- Amira Aouina
On this page:
This library includes three types of loads:
Constant impedance loads.
Constant power loads.
Constant current loads.
Constant Impedance Load
Parameters
Symbol | Description | Unit |
|---|---|---|
ID | Load name | a unique name |
Status | Connect/Disconnect status | Initial value 1 (0 for disconnected) |
Bus | Bus name | a unique name* |
P (MW) | Active power in 1 p.u. voltage | MW |
Q (MVAr) | Reactive power in 1 p.u. voltage** | MVAr |
Constant Current Load
Parameters
Symbol | Description | Unit |
|---|---|---|
ID | Load name | a unique name |
Status | Connect/Disconnect status | Initial value 1 (0 for disconnected) |
Bus | Bus name | a unique name* |
P (MW) | Active power | MW |
Q (MVAr) | Reactive power** | MVAr |
Constant Power Load
Parameters
Symbol | Description | Unit |
|---|---|---|
ID | Load name | a unique name |
Status | Connect/Disconnect status | Initial value 1 (0 for disconnected) |
Bus | Bus name | a unique name* |
P (MW) | Active power | MW |
Q (MVAr) | Reactive power** | MVAr |
Notes:
(*) The bus name is the bus that the load is connected to.
(**) Q value is a positive quantity for inductive loads while it is negative for capacitive loads.
Available I/O Pins
No | Pin Description | Pin Type | Value/Unit | Instruction |
|---|---|---|---|---|
1 | Set/Get service status | I/O | 1: In-service 0: Out-of-service | loadID/status |
2 | Set active and reactive power | I | MW MVAr | loadID/P loadID/Q |
3 | Get current magnitude | O | p.u. (network base) | loadID/Imag |
4 | Get current angle | O | Degree | loadID/Iang |
Example
See the Load page in phasor01_IEEE39.xlsx file in demo phasor01.
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