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The multiphase load can represent a 1, 2, or 3-phase load. Thus, there are three types of loads in this library as follows:
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To set the active power of phase 1: loadID/P1
To set the reactive power of phase 1: loadID/Q1
Single Phase ZIP Load
Parameters
Symbol | Description | Unit |
|---|---|---|
ID | Load name | a unique name |
Status | Connect/Disconnect status | Initial value 1 (0 for disconnected) |
V (kV) | Nominal voltage (phase-to-phase) | kV |
Bandwidth* (pu) | Cut-off voltage to convert to Z load | p.u. |
Conn. type | Connection type | ‘wye’ for Yg ‘delta’ for Delta |
K_z* | Constant impedance percentage | p.u. |
K_i* | Constant current percentage | |
K_p* | Constant power percentage | |
Use initial voltage? | Determines if the assigned power is based on nominal or initial voltage (from page Bus) | 0: nominal voltage 1: initial voltage |
Bus1 | Name of phase 1 of the connected bus | a unique name |
P1 (kW) | Active power phase 1 | kW |
Q1 (kVAr) | Reactive power phase 1 | kVAr |
Two Phase ZIP Load
Parameters
Symbol | Description | Unit |
|---|---|---|
ID | Load name | a unique name |
Status | Connect/Disconnect status | Initial value 1 (0 for disconnected) |
V (kV) | Nominal voltage (phase-to-phase) | kV |
Bandwidth* (pu) | Cut-off voltage to convert to Z load | p.u. |
Conn. type | Connection type | ‘wye’ for Yg ‘delta’ for Delta |
K_z* | Constant impedance percentage | p.u. |
K_i* | Constant current percentage | |
K_p* | Constant power percentage | |
Use initial voltage? | Determines if the assigned power is based on nominal or initial voltage (from page Bus) | 0: nominal voltage 1: initial voltage |
Bus1 | Name of phase 1 of the connected bus | a unique name |
Bus2 | Name of phase 2 of the connected bus | |
P1 (kW) | Active power phase 1 | kW |
Q1 (kVAr) | Reactive power phase 1 | kVAr |
P2 (kW) | Active power phase 2 | kW |
Q2 (kVAr) | Reactive power phase 2 | kVAr |
Three Phase ZIP Load
Parameters
Symbol | Description | Unit |
|---|---|---|
ID | Load name | a unique name |
Status | Connect/Disconnect status | Initial value 1 (0 for disconnected) |
V (kV) | Nominal voltage (phase-to-phase) | kV |
Bandwidth* (pu) | Cut-off voltage to convert to Z load | p.u. |
Conn. type | Connection type | ‘wye’ for Yg ‘delta’ for Delta |
K_z* | Constant impedance percentage | p.u. |
K_i* | Constant current percentage | |
K_p* | Constant power percentage | |
Use initial voltage? | Determines if the assigned power is based on nominal or initial voltage (from page Bus) | 0: nominal voltage 1: initial voltage |
Bus1 | Name of phase 1 of the connected bus | a unique name |
Bus2 | Name of phase 2 of the connected bus | |
Bus3 | Name of phase 3 of the connected bus | |
P1 (kW) | Active power phase 1 | kW |
Q1 (kVAr) | Reactive power phase 1 | kVAr |
P2 (kW) | Active power phase 2 | kW |
Q2 (kVAr) | Reactive power phase 2 | kVAr |
P3 (kW) | Active power phase 3 | kW |
Q3 (kVAr) | Reactive power phase 3 | kVAr |
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