Overvoltage Calculation Method for Sending System Under DC Fault Disturbance Considering the Influence of Renewable Energy

Haoyue Gong; Jianbo Guo; Qiang Guo; Jian Zhang; Qinyong Zhou; Libo Zhang

doi:10.17775/CSEEJPES.2023.00290

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Overvoltage Calculation Method for Sending System Under DC Fault Disturbance Considering the Influence of Renewable Energy

Regular Papers | 更新时间：2026-10-15

- Overvoltage Calculation Method for Sending System Under DC Fault Disturbance Considering the Influence of Renewable Energy
- Overvoltage Calculation Method for Sending System Under DC Fault Disturbance Considering the Influence of Renewable Energy
- 中国电机工程学会电力与能源系统学报(英文) 2024年10卷第5期页码：1865-1875
- 作者机构：
  
  China Electric Power Research Institute,Beijing,China
- 作者简介：
- 基金信息：
- DOI：10.17775/CSEEJPES.2023.00290
  中图分类号：
- 纸质出版：2024-09-01
- 稿件说明：
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Haoyue Gong, Jianbo Guo, Qiang Guo, 等. Overvoltage Calculation Method for Sending System Under DC Fault Disturbance Considering the Influence of Renewable Energy[J]. 中国电机工程学会电力与能源系统学报(英文), 2024,10(5):1865-1875.

Haoyue Gong, Jianbo Guo, Qiang Guo, et al. Overvoltage Calculation Method for Sending System Under DC Fault Disturbance Considering the Influence of Renewable Energy[J]. CSEE Journal of Power and Energy Systems, 2024, 10(5): 1865-1875.
Haoyue Gong, Jianbo Guo, Qiang Guo, 等. Overvoltage Calculation Method for Sending System Under DC Fault Disturbance Considering the Influence of Renewable Energy[J]. 中国电机工程学会电力与能源系统学报(英文), 2024,10(5):1865-1875. DOI： 10.17775/CSEEJPES.2023.00290.

Haoyue Gong, Jianbo Guo, Qiang Guo, et al. Overvoltage Calculation Method for Sending System Under DC Fault Disturbance Considering the Influence of Renewable Energy[J]. CSEE Journal of Power and Energy Systems, 2024, 10(5): 1865-1875. DOI： 10.17775/CSEEJPES.2023.00290.

摘要

Abstract

Bipolar blocking and commutation failure in the renewable energy transmission system through ultra-high voltage direct current will produce significant temporary overvoltage. This paper analyzes the physical process of sending end grid overvoltage caused by two types of DC faults and establishes a DC overvoltage model considering renewable energy sources. According to characteristics of the sending end grid

the influence of the system equivalent impedance

the proportion of renewable energy output

the active and reactive power coefficients of the renewable energy sources during the low voltage ride through process on the overvoltage is analyzed respectively

and the relationship between the proportion of renewable energy output and the short-circuit ratio under the overvoltage constraint is constructed. The validity and practicality of the model and analysis method proposed in this paper are verified by combining the typical transmission system at the sending end of the actual power grid and regional power grid systems.

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