Load Relay Model: LSDT3

 

Model Equations and/or Block Diagrams

Parameters:

Rem Bus Remote Bus
Mode Voltage mode: 0 for deviation; 1 for absolute
Tfilter Input transducer time constant
V1 to V3 Voltage load shedding point (p.u.)
T1 to T3 Pickup time (sec.)
Tcb1 to Tcb3 Breaker time (sec.)
sv1 to sv3 Fraction of load to shed
vreset1a to vreset_3a First reset voltage (p.u.)
treset1a to treset_3a First reset time delay (sec.)
vreset1b to vreset_3b Second reset voltage(p.u.)
treset1b to treset_3b Second reset time delay (sec.)