| 引用本文: | 罗佳龙,傅晓帆,袁旭峰,等.基于事件触发的动态一致性馈线负载均衡控制策略[J].电力系统保护与控制,2025,53(7):123-132. |
| LUO Jialong,FU Xiaofan,YUAN Xufeng,et al.Event-triggered dynamic consistency algorithm based feeder load balancing control strategy[J].Power System Protection and Control,2025,53(7):123-132 |
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| 摘要: |
| 随着大规模间歇式新能源和多元化柔性负荷的接入，加剧了馈线间负载不平衡程度。为实现馈线负载均衡并稳定直流电压，提出基于事件触发的动态一致性馈线负载均衡控制策略。首先，设计基于事件触发的动态一致性算法计算相关状态量，避免信息集中化处理。其次，设计馈线负载均衡控制的功率计算模块和功率更新模块，以实现分布式馈线负载均衡控制。然后，基于电压下垂控制对下垂特性曲线和功率参考值进行改进，以达到直流电压无差跟踪。最后，在PSCAD/EMTDC平台搭建四端MMC柔性互联配电网验证所提控制策略的有效性。仿真结果表明：所提控制策略能快速均衡馈线负载，提高直流电压控制可靠性，降低系统通信量。 |
| 关键词: 柔性互联配电网 改进电压下垂控制 事件触发 动态一致性算法 负载均衡 |
| DOI：10.19783/j.cnki.pspc.240895 |
| 分类号: |
| 基金项目:国家自然科学基金项目资助(52167007)；贵州省科技计划项目资助(黔科合基础-ZK[2023]一般075) |
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| Event-triggered dynamic consistency algorithm based feeder load balancing control strategy |
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LUO Jialong1, FU Xiaofan1, YUAN Xufeng1, ZHANG Jing1, XIONG Guojiang1, WONG Manchung2
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1. College of Electrical Engineering, Guizhou University, Guiyang 550000, China; 2. Faculty of Science and Technology &
State Key Laboratory of Internet of Things for Smart City, University of Macau, Macau 999078, China
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| Abstract: |
| With the large-scale integration of intermittent new energy and diverse flexible loads, the imbalance between feeders has intensified. To achieve feeder load balancing and stabilize DC voltage, an event-triggered dynamic consistency algorithm based feeder load balancing control strategy is proposed. First, the event-triggered dynamic consistency algorithm is designed to calculate the relevant state variables, which avoids centralized information processing. Second, a power calculation module and a power update module for feeder load balancing control are designed, enabling distributed feeder load balancing. Then, the droop characteristic curve and power reference value are improved based on voltage droop control to achieve zero-error tracking of the DC voltage. Finally, a four-terminal MMC flexible interconnected distribution network is developed on the PSCAD/EMTDC platform to verify the effectiveness of the proposed control strategy. Simulation results show that the proposed control strategy can rapidly balance the feeder loads, enhance the reliability of DC voltage control, and reduce system communication volume. |
| Key words: flexible interconnected distribution network improved voltage droop control event-triggered dynamic consistency algorithm load balancing |
