Load Relay Model: LSDT9

 

Model Equations and/or Block Diagrams

Parameters:

Tfilter Input transducer time constant
tres Resetting time
f1 to f9 Frequency load shedding point
t1 to t9 Pickup time
tcb1 to tcb9 Breaker time
frac1 to frac9 Fraction of load to shed