Coordinated modulation strategy considering multi-HVDC emergency for enhancing transient stability of hybrid AC/DC power systems

Tong Wang; Congcong Li; Dengkai Mi; Zengping Wang; Yuwei Xiang

doi:10.17775/CSEEJPES.2019.02000

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Coordinated modulation strategy considering multi-HVDC emergency for enhancing transient stability of hybrid AC/DC power systems

Regular Papers | 更新时间：2025-12-18

- Coordinated modulation strategy considering multi-HVDC emergency for enhancing transient stability of hybrid AC/DC power systems
- Coordinated modulation strategy considering multi-HVDC emergency for enhancing transient stability of hybrid AC/DC power systems
- 中国电机工程学会电力与能源系统学报(英文) 2020年6卷第4期页码：806-815
- 作者机构：
  
  State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University,Beijing,China
- 作者简介：
- 基金信息：
- DOI：10.17775/CSEEJPES.2019.02000
  中图分类号：
- 纸质出版：2020
- 稿件说明：
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Tong Wang, Congcong Li, Dengkai Mi, 等. Coordinated modulation strategy considering multi-HVDC emergency for enhancing transient stability of hybrid AC/DC power systems[J]. 中国电机工程学会电力与能源系统学报(英文), 2020,6(4):806-815.

Tong Wang, Congcong Li, Dengkai Mi, et al. Coordinated modulation strategy considering multi-HVDC emergency for enhancing transient stability of hybrid AC/DC power systems[J]. CSEE Journal of Power and Energy Systems, 2020, 6(4): 806-815.
Tong Wang, Congcong Li, Dengkai Mi, 等. Coordinated modulation strategy considering multi-HVDC emergency for enhancing transient stability of hybrid AC/DC power systems[J]. 中国电机工程学会电力与能源系统学报(英文), 2020,6(4):806-815. DOI： 10.17775/CSEEJPES.2019.02000.

Tong Wang, Congcong Li, Dengkai Mi, et al. Coordinated modulation strategy considering multi-HVDC emergency for enhancing transient stability of hybrid AC/DC power systems[J]. CSEE Journal of Power and Energy Systems, 2020, 6(4): 806-815. DOI： 10.17775/CSEEJPES.2019.02000.

摘要

Abstract

This paper presents a multi-HVDC emergency coordinated modulating strategy to enhance the transient stability of hybrid AC/DC power systems. First

the main factors that affect the unbalanced energy distribution during a fault are analyzed

and the dominant generators are determined online. Next

considering the influence on both generators in the sending and receiving ends

the assessment index that evaluates the effects of DC power support is established. On the basis of this

a dynamic DC power support strategy is put forward

and the DC support sequence table is promptly updated by the changing dominant generators. The AC/DC hybrid power system with multi-DC lines is built and used as a test system. The simulation results of different scenarios demonstrate that the proposed method could follow the dominant generator dynamically and adjust the DC participating in modulation to enhance the transient stability effectively and quickly.

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