Effect on Bus-bar Protction Selectivity While Isolator is Operated
Peng Zhang · Shanxi Electric Power · 2002
The effect of isolator operation on the selectivity of medium inpedence and digital bus-bar protections are analysed.It is pointed out that if bus-bar fault occurs,during the opening or closing operation of isolator,The fault may expand and the casualty to personal may happen.Some suggestions and concepts are proposed.