Coordination Control Method to Block Cascading Failure of a Renewable Generation Power System Under Line Dynamic Security

Jinxin Ouyang; Jianfeng Yu; Xiaoxuan Long; Yanbo Diao; Jian Wang

doi:10.1186/s41601-023-00283-0

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Coordination Control Method to Block Cascading Failure of a Renewable Generation Power System Under Line Dynamic Security

Original Research | 更新时间：2026-09-30

- Coordination Control Method to Block Cascading Failure of a Renewable Generation Power System Under Line Dynamic Security
- Coordination control method to block cascading failure of a renewable generation power system under line dynamic security
- 现代电力系统保护与控制（英文） 2023年8卷第1期页码：1-11
- 作者机构：
  
  1. State Key Laboratory of Power Transmission Equipment and System Security and New Technology, School of Electrical Engineering, Chongqing University,Chongqing,China
  2. Information and Communication Branch of State Grid, Chongqing Electric Power Company,Chongqing,China
  3. Chongqing City Management College,Chongqing,China
- 作者简介：
- 基金信息：
- DOI：10.1186/s41601-023-00283-0
  中图分类号：
- 纸质出版：2023-01-01
- 稿件说明：
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Jinxin Ouyang, Jianfeng Yu, Xiaoxuan Long, 等. Coordination Control Method to Block Cascading Failure of a Renewable Generation Power System Under Line Dynamic Security[J]. 现代电力系统保护与控制（英文）, 2023,8(1):1-11.

Jinxin Ouyang, Jianfeng Yu, Xiaoxuan Long, et al. Coordination control method to block cascading failure of a renewable generation power system under line dynamic security[J]. Protection and Control of Modern Power Systems, 2023, 8(1): 1-11.
Jinxin Ouyang, Jianfeng Yu, Xiaoxuan Long, 等. Coordination Control Method to Block Cascading Failure of a Renewable Generation Power System Under Line Dynamic Security[J]. 现代电力系统保护与控制（英文）, 2023,8(1):1-11. DOI： 10.1186/s41601-023-00283-0.

Jinxin Ouyang, Jianfeng Yu, Xiaoxuan Long, et al. Coordination control method to block cascading failure of a renewable generation power system under line dynamic security[J]. Protection and Control of Modern Power Systems, 2023, 8(1): 1-11. DOI： 10.1186/s41601-023-00283-0.

摘要

Abstract

The large application of renewable energy generation (REG) has increased the risk of cascading failures in the power system. At the same time REG also provides the possibility of new approaches for the suppression of such failures. However

the capacity and position of the synchronous generator (SG) involved in regulation limit the power regulation speed (PRS) of REG to the overload line which is the main cause of cascading failures

while the PRS of SG is related to the position and shedding power. REG and SGs have difficulty in achieving effective cooperation under constraints of system power balance. Particularly

the dynamic variation of line flow during power regulation causes new problems for the accurate evaluation of line thermal safety under overload. Therefore

a new strategy for quantitatively coordinating shedding power and power regulation to block cascading failures in the dynamic security domain is proposed in this paper. The control capability and dynamic security domain of the overload line are modeled

and the coordination control method based on power regulation is then proposed to minimize shedding power. The algorithm for the optimal control scheme considers the constraints of load capacity

power source capacity and bus PRS. The correctness of the proposed method is verified using case studies.

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