Application of Multi-Interval Secondary Debugging Method Based on Experimental Dedicated Network in Certain Intelligent Substation
During the secondary debugging of the newly added automatic input device for backup power supply of 110 kV in a 110 kV smart substation,the"one to one"debugging method of digital relay tester failed to fully and effectively verify the correctness of itslogic,tripping and closing functions after the network fiber was disconnected.To solve this problem,this paper adopts the multi-interval secondary debugging method based on the experimental dedicated network.Under the condition of ensuring the completion of secondary security measures,the multi-interval joint debugging work is carried out on the standby self-switching and other related devices of the smart substation.It is proved that the method is complete and reliable and provides a reference scheme for similar problems in other fields.
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