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A HVDC system can be an important part of an integrated power system and its dynamic/transient responses should be well identified and managed to ensure that the system operates safely and reliably during AC and DC disturbances. This chapter provides an overview of the dynamic/transient performance of point to point HVDC systems in response to different types of AC and DC faults at different locations. Three types of converter technologies, that is, LCC, VSC, and LCC/VSC hybrid converter, are addressed. The waveforms from offline simulations of the HVDC systems under different AC and DC faults are described here. Commutation failures in LCC inverters and mitigation strategies are outlined and the impacts of DC faults on the AC systems are briefly described.

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HVDC Scheme’s Dynamic/Transient Responses to AC and DC Faults

  • 工具书词条

  • 发表日期：

    2025年

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  • Ting An,
  • Bin Li,
  • Zheng Xu,
  • Weihua Xu,
  • Rongcai Pan,
  • Haijin Liu,
  • Nan Zhang

摘要

A HVDC system can be an important part of an integrated power system and its dynamic/transient responses should be well identified and managed to ensure that the system operates safely and reliably during AC and DC disturbances. This chapter provides an overview of the dynamic/transient performance of point to point HVDC systems in response to different types of AC and DC faults at different locations. Three types of converter technologies, that is, LCC, VSC, and LCC/VSC hybrid converter, are addressed. The waveforms from offline simulations of the HVDC systems under different AC and DC faults are described here. Commutation failures in LCC inverters and mitigation strategies are outlined and the impacts of DC faults on the AC systems are briefly described.