Load Relay Model: LVS3

 

Model Equations and/or Block Diagrams

Undervoltage Load Shedding Model with Transfer Trip LVS3

Parameters:

FirstTran Trip Obj First Transfer Trip Object
SecondTran Trip Obj First Transfer Trip Object
SC Shed Shunts
v1 to v5 Voltage load shedding point
t1 to t5 Pickup time
tb1 to tb5 Breaker time
Frac1 to frac5 Fraction of load to shed
ttb1 to ttb2 Transfer trip breaker time