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Impulse Discharge Voltage Prediction of Air Gaps

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Air Insulation Prediction Theory and Applications

Part of the book series: Power Systems ((POWSYS))

Abstract

The lightning overvoltage and switching overvoltage in power systems are both impulse voltages with short duration time and large change rate, under which the air gap breakdown characteristics are different from those under steady voltages. This chapter firstly introduces the air gap breakdown characteristics under lightning and switching impulse voltages. Then, the air insulation prediction model is used to predict the switching impulse discharge voltages, lightning impulse discharge voltages and volt-time characteristic curves of air gaps with different geometries and under different voltage waveforms.

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Author information

Authors and Affiliations

  1. Department of Energy and Electrical Engineering, Nanchang University, Nanchang, Jiangxi province, China

    Zhibin Qiu

  2. School of Electrical Engineering and Automation, Wuhan University, Wuhan, Hubei province, China

    Jiangjun Ruan

  3. College of Electrical Engineering and Automation, Fuzhou University, Fuzhou, Fujian province, China

    Shengwen Shu

Authors
  1. Zhibin Qiu
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  2. Jiangjun Ruan
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  3. Shengwen Shu
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Corresponding author

Correspondence to Zhibin Qiu .

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© 2019 Springer Nature Singapore Pte Ltd. and Science Press, Beijing

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Qiu, Z., Ruan, J., Shu, S. (2019). Impulse Discharge Voltage Prediction of Air Gaps. In: Air Insulation Prediction Theory and Applications. Power Systems. Springer, Singapore. https://doi.org/10.1007/978-981-10-5163-0_6

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  • DOI: https://doi.org/10.1007/978-981-10-5163-0_6

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-10-5162-3

  • Online ISBN: 978-981-10-5163-0

  • eBook Packages: EnergyEnergy (R0)

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