基于约束共识和差分进化的多直流馈入电网紧急控制协调优化

doi:10.11930/j.issn.1004-9649.202302012

中国电力 ›› 2023, Vol. 56 ›› Issue (6): 40-50.DOI: 10.11930/j.issn.1004-9649.202302012

• 新能源电力系统稳定性分析与控制技术 • 上一篇下一篇

基于约束共识和差分进化的多直流馈入电网紧急控制协调优化

庄俊, 王德顺, 盖晨昊, 薛金花, 朱红保, 李常刚

国网上海能源互联网研究院有限公司，江苏南京 210003

收稿日期:2023-02-03 修回日期:2023-05-10 出版日期:2023-06-28 发布日期:2023-07-04
作者简介:庄俊（1985—），男，高级工程师，从事储能集成、直流电网和新能源发电装置研究，E-mail：zhuangjun@epri.sgcc.com.cn;王德顺（1982—），男，通信作者，高级工程师（教授级），从事储能集成、储能能量管理、综合能源技术研究，E-mail：wangdeshun@epri. sgcc.com.cn;盖晨昊（1998—），男，硕士，从事电力系统安全稳定控制研究，E-mail：gch_sdu@163.com;薛金花（1984—），女，从事电力储能技术研究，E-mail：xuejinhua@epri.sgcc.com.cn;朱红保（1991—），男，高级工程师，从事储能集成工程研究，E-mail：zhuhongbao@epri.sgcc.com.cn;李常刚（1984—），男，博士，教授，博士生导师，从事大规模电力系统安全稳定控制研究， E-mail：lichgang@sdu.edu.cn
基金资助:
国家电网有限公司科技项目（4000-202321088A-1-1-ZN）。

Coordinative Optimization of Emergency Control Based on Constraint Consensus and Differential Evolution in Multi-DC Infeed Power Grid

ZHUANG Jun, WANG Deshun, GAI Chenhao, XUE Jinhua, ZHU Hongbao, LI Changgang

State Grid Shanghai Energy Interconnection Research Institute Co., Ltd., Nanjing 210003, China

Received:2023-02-03 Revised:2023-05-10 Online:2023-06-28 Published:2023-07-04
Supported by:
This work is supported by Science and Technology Project of SGCC (No.4000-202321088A-1-1-ZN).

摘要/Abstract

摘要： 多直流馈入电网在发生直流闭锁故障后面临着系统失稳的风险，协调利用多种紧急控制资源能够有效地保证系统的稳定性和控制的经济性。考虑直流功率调制、抽蓄切泵、切负荷3种紧急控制措施，构建了协调优化模型。为满足快速获得可行控制方案的工程实际要求，提出一种基于约束共识和差分进化的优化模型。首先，针对紧急控制方案随机初始化很难保证其可行性的问题，利用约束共识方法构造可行性方向向量，沿约束违反的梯度方向引导方案快速转变为可行方案；然后，基于生成的可行控制方案设计利用可行域方向信息的差分进化优化策略，充分探索和开发可行域来提高方案的经济性；最后，以某省级电网为例，仿真验证了所提紧急控制协调优化方法的有效性。

关键词: 多直流馈入, 暂态安全稳定, 紧急控制, 约束共识, 差分进化

Abstract: The multi-direct current (DC) infeed power grid faces the risk of system instability after the DC blocking fault. Coordinating multiple emergency control resources can ensure system stability and control economy. The coordinative optimization model of emergency control is constructed by considering three measures: DC power modulation, pump-storage shedding, and load shedding. In order to meet the practical engineering requirements of quickly obtaining a feasible control scheme, an optimization method based on constraint consensus and differential evolution is proposed to solve the optimization model. First, since it is hard to guarantee the feasibility of the emergency control scheme through random initialization, the constraint consensus method is used to construct the feasibility direction vector. The vector guides the control scheme to quickly transform into a feasible scheme along the gradient direction of constraint violation. Then, based on the generated feasible control scheme, a differential evolution optimization strategy is designed by using the direction information of the feasible region, so as to explore and develop the feasible region and improve the economy of the scheme. Finally, the effectiveness of the proposed coordinative optimization method of emergency control is verified by simulating a provincial power grid.

Key words: multi-DC infeed, transient security and stability, emergency control, constraint consensus, differential evolution

庄俊, 王德顺, 盖晨昊, 薛金花, 朱红保, 李常刚. 基于约束共识和差分进化的多直流馈入电网紧急控制协调优化[J]. 中国电力, 2023, 56(6): 40-50.

ZHUANG Jun, WANG Deshun, GAI Chenhao, XUE Jinhua, ZHU Hongbao, LI Changgang. Coordinative Optimization of Emergency Control Based on Constraint Consensus and Differential Evolution in Multi-DC Infeed Power Grid[J]. Electric Power, 2023, 56(6): 40-50.

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基于约束共识和差分进化的多直流馈入电网紧急控制协调优化

Coordinative Optimization of Emergency Control Based on Constraint Consensus and Differential Evolution in Multi-DC Infeed Power Grid

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基于约束共识和差分进化的多直流馈入电网紧急控制协调优化

Coordinative Optimization of Emergency Control Based on Constraint Consensus and Differential Evolution in Multi-DC Infeed Power Grid

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