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Abnormal Condition Analysis and Preventive Measures of a 220 KV Transformer Neutral Point Bushing

  • Zhou YuxiaoEmail author
  • Han Honggang
  • Guo Tie
  • Liu Lu
  • Chen Hao
  • Liu Yang
  • Song Yundong
Conference paper
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 885)

Abstract

This paper introduces the abnormal condition of a 220 kV transformer neutral point bushing. The structure and characteristics of the neutral sleeve are expounded. According to the condition that the state test data are not up to standard, the bushing is inspected, tested and disassembled. The root cause of the anomaly is humidity and moisture from the top of the oil inlet into the bushing body. The valuable suggestions for the field installation, operation and maintenance of the bushing and the measures to prevent such incidents are then put forward.

Keywords

Neutral point bushing Capacitive bushing Preventive measures 

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Zhou Yuxiao
    • 1
    Email author
  • Han Honggang
    • 1
  • Guo Tie
    • 1
  • Liu Lu
    • 2
  • Chen Hao
    • 1
  • Liu Yang
    • 1
  • Song Yundong
    • 1
  1. 1.Electric Power Research Institute of State Grid Liaoning Electric Power Co., Ltd.ShenyangChina
  2. 2.State Grid Liaoning Electric Power Co., Ltd., Metering CenterShenyangChina

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