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Analysis of an Action of Differential Protection for the 330 kV Main Transformer

Lei Shi

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Abstract

This paper briefly describes the fault which occurred to No.1 330 kV main transformer in a substation in Ningxia,and based on the real conditions of the equipment,it analyzes the detailed causes that triggered the action of the differential protection of the main transformer,and then proposes corresponding countermeasures to ensure the safe and stable operation of the equipment.

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What this paper is about

This paper briefly describes the fault which occurred to No.1 330 kV main transformer in a substation in Ningxia,and based on the real conditions of the equipment,it analyzes the detailed causes that triggered the action of the differential protection of the main transformer,and then proposes corresponding countermeasures to ensure the safe and stable operation of the equipment.

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Available abstract

This paper briefly describes the fault which occurred to No.1 330 kV main transformer in a substation in Ningxia,and based on the real conditions of the equipment,it analyzes the detailed causes that triggered the action of the differential protection of the main transformer,and then proposes corresponding countermeasures to ensure the safe and stable operation of the equipment.

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

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