Research on Optimization of Technology for Identifying Disconnection Faults of Large Oil-immersed Power Transformers
When the main electrical connection adopts one-and-a-half circuit breaker connection mode,the existing protection is not sufficiently sensitive to disconnection faults of large oil-immersed power transformers occurring under low-load condition.The action of protection after the occurrence of the transformer disconnection faults is analyzed,the technologies for identifying dis-connection faults of large oil-immersed power transformers are optimized,and the corresponding measures for handling disconnec-tion faults are provided so as to realize the rapid identification and disposal of transformer disconnection faults.
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