Load Relay Model: LDST
To be documented.
Model Equations and/or Block Diagrams
Time Underfrequency Load Shedding Model LDST
Model supported by PSSE
Parameters:
| f1 to f4 | Frequency load shedding point |
| z1 to z4 | Nominal operating time |
| tb | Breaker time |
| frac | Fraction of load to shed |
| freset | Reset frequency |
| tres | Resetting time |