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521 / 2022-03-27 19:23:27
Analysis of Harmonic Current and Winding Vibration in Converter Transformer
converter transformer, harmonic current, winding vibration, modeling simulation, filed test
16. New Features and Special Interests in High Voltage Engineering
终稿
shuyu wu / State Key Laboratory of Electrical Insulation and Power Equipment Xi’an Jiaotong University
Zhuangzhuang Zhang / State Grid Henan Electric Power Research Institute
Huadong Liu / State Key Laboratory of Electrical Insulation and Power Equipment Xi’an Jiaotong University
Guoyang He / State Key Laboratory of Electrical Insulation and Power Equipment Xi’an Jiaotong University
Dong Wang / State Grid Henan Electric Power Company Electric Power Research Institute
Fan Zhang / State Key Laboratory of Electrical Insulation and Power Equipment Xi’an Jiaotong University
A large amount of harmonic current flows in the converter transformer, causing an increase in winding vibration and harmonic content. In this paper, the harmonic current features and winding vibration characteristics of converter transformers are investigated in three parts: theoretical derivation, modeling simulation and field test. First, the mechanism of harmonic current and winding vibration of converter transformer is analyzed, and the reason of winding vibration harmonic growth is clarified from the theoretical aspect. Then, a high-voltage DC transmission system is built to determine the winding harmonic current components and the variation pattern of the total harmonic distortion with the transmission power. Finally, the relationship between the vibration response characteristics and the harmonic current over a period is investigated by measuring the vibration signals of the converter transformer in operation. The research results lay a certain foundation for online monitoring and fault diagnosis of converter transformer windings based on vibration signals.
重要日期

  • 会议日期

    09月25日

    2022

    至

    09月29日

    2022

  • 08月15日 2022

    提前注册日期

  • 09月10日 2022

    报告提交截止日期

  • 11月10日 2022

    注册截止日期

  • 11月30日 2022

    初稿截稿日期

  • 11月30日 2022

    终稿截稿日期

主办单位
IEEE DEIS
承办单位
Chongqing University
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