Test and Regression Analysis of Dynamic Shutdown Characteristic of High Power Thyristor

  • Zhihao Zhang
  • Liqun Zhang
  • Zeng Shou
  • Yifang Jin
  • Yuhao Tan
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 482)

Abstract

This paper focuses on thyristor in the aspects of its junction temperature, its zero di/dt, its forward current IT and its reverse voltage Vr, and presents in-depth study of internal factors which cause commutation failure of the valve. This paper puts forward the optimal configuration approach to the factors above, reduces various improvement measures to induce thyristor turn off time. A physical test platform of the shutdown characteristics is built. By testing the shutdown characteristics of thyristor, the linear regression analysis method is used to get the fitting formula of the thyristor turn off time.

Keywords

High power thyristor Dynamic shutdown characteristic Regression analysis 

Notes

Acknowledgements

This work was supported by National Power Grid Corp science and technology project: Study on Ultra High Voltage Bypass Impedance Topology.

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Copyright information

© Springer Nature Singapore Pte Ltd. 2018

Authors and Affiliations

  • Zhihao Zhang
    • 1
  • Liqun Zhang
    • 2
  • Zeng Shou
    • 3
  • Yifang Jin
    • 3
  • Yuhao Tan
    • 1
  1. 1.Beijing KeDong Electric Power Control System Co., LtdHaidian District, BeijingChina
  2. 2.Shenyang Institute of Computing Technology Co., Ltd, CasDongling District, ShenyangChina
  3. 3.State Grid Liaoning Electric Power Supply Co., LtdHepign District, ShenyangChina

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