2011•Electric Drive AutomationRequires access

Behavior analysis and preventive measures for transformer differential protection misoperation

Peng Chen

Abstract

By analyzing the accident situation of a 220kV substation outside the 220kV transformer differential protection misoperation,from the main transformer protection CT selection,differential protection principle of improvement and the setting of reasonable second harmonic tuning,etc.,the related accident prevention and improvement measures are presented.It has played a positive role to prevent the transformer differential protection misoperation,and ensure safe and stable operation of transformer.

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Available abstract

Key concepts: Differential protection, Transformer, Reliability engineering, Engineering, Automotive engineering, Electrical engineering, Control theory (sociology), Computer science