Load Relay Model: LDS3
To be documented.
Model Equations and/or Block Diagrams
Underfrequency Load Shedding Model with Transfer Trip LDS3
Model supported by PSSE
Parameters:
| Transfer Trip Object | Transfer Trip Object |
| SC | Shed Shunts |
| f1 to f5 | Frequency load shedding point |
| t1 to t5 | Pickup time |
| tb1 to tb5 | Breaker time |
| frac1 to frac5 | Fraction of load to shed |
| ttb | Transfer trip breaker time |