Load Relay Model: LSDT7
AutoCorrection Properties
To be documented.
Model Equations and/or Block Diagrams
Definite-time Underfrequency Load Shedding Relay Model LSDT7
Have similar parameters as LSDT8 relay.
Parameters:
| Tfilter | Input transducer time constant |
| Tres; or Treset | Resetting time |
| f1 to f3 | Frequency load shedding point |
| t1 to t3 | Pickup time |
| tcb1 to tcb3 | Breaker time |
| frac1 to frac3; or sf1 to sf3 | Fraction of load to shed |
| df1 to df3 | Rate of frequency shedding point |