抄録
We compared the performance of resistive type (R-type) and inductive type (L-type) fault current limiter (FCL) at incoming feeder for consumer system with synchronous generator connected to utility distribution system. We investigated the suppressing effect of FCL on short-circuit current from two viewpoints, i.e., the maximum value of fault current, and the root mean square value of fault current. The effect of FCL were estimated for the current out of consumer and the current at fault point. The introduction of the R-type FCL makes the phase of current out of the consumer system to delay or lead, depending on the recovered output power out of generator. As a result, it was shown that the phase shift have a good or bad influence upon the suppressing effect on the current at fault point. The suppressing effect of the L-type FCL on the current at fault point increases consistently with the limiting reactance.
