2010•Central China Electric PowerRequires access

Cause of A Main Transformer Differential Protection Malfunction

Wei De-feng

Abstract

Based on the judgement and processing on a typical main transformer differential protection malfunction in a dominion substation,combining with the working principle of transformer differential protection,analyzed the cause of main transformer differential protection action,clarified the working procedure of personnel for differential protection,from installation,commissioning,operation etc.stages,put forward preventive measures,to further improve the system operation safety.

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Available abstract

Key concepts: Differential protection, Transformer, Engineering, Reliability engineering, Electrical engineering, Voltage