能源汇集系统中多模式接入储能的协调控制及优化设计方法
CSTR:
作者:
作者单位:

(1.国网浙江省电力有限公司,浙江 杭州 310000;2.浙江大学电气工程学院,浙江 杭州 310027;3.国网浙江省电力有限公司建设分公司,浙江 杭州 310000;4.国网浙江省电力有限公司丽水供电公司,浙江 丽水 323000)

通讯作者:

张震霄(1998—),男,硕士研究生,主要从事并网逆变器控制及电能质量治理研究;E?mail:2990819136@qq.com

中图分类号:

TM76

基金项目:

国家自然科学基金(51977194)


Coordinated control and optimal design method of multi‑mode access energy storage in energy collection system
Author:
Affiliation:

(1.Electric Power Research Institute, State Grid Zhejiang Electric Power Co., Ltd., Hangzhou 310000,China; 2.College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China; 3.Construction Branch, State Grid Zhejiang Electric Power Co., Ltd., Hangzhou 310000, China; 4. Lishui Power Supply Company, State Grid Zhejiang Electric Power Co., Ltd., Lishui 323000, China)

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    摘要:

    随着能源汇集系统中新能源设备接入比例不断增加,光伏、负荷的不确定性将带来电能质量问题,给电网稳定运行带来挑战,为解决此问题,通过储能接入实现系统电压和功率的补偿控制。首先,分析电网电压与功率之间的耦合影响机理;然后,利用串联型接入储能和并联型接入储能针对电网中的电压波动与功率波动进行协调补偿;最后,基于储能的协调控制对不同接入模式的储能传输容量进行优化设计,满足能源汇集系统补偿需求,保障系统稳定运行。通过仿真算例验证了所提协调控制及优化设计方法的有效性,能够降低储能设计总量,具有实际应用价值。

    Abstract:

    With the increasing proportion of renewable energy devices in the energy collection system, the uncertainty of photovoltaic and load pose power quality issues and challenges to the stable operation of the grid. The voltage and power compensation control of the system can be realized through energy storage access. First, the coupling influence mechanism between voltage and power is analyzed. Then, the series-connectded mode and the parallel-connectded mode energy storage are used to compensate the fluctuation of grid voltage and power through coordinated control. Finally, based on the coordinated control of energy storage, the capacity of energy storage equipment with different integration modes is optimized to meet the compensation requirements of energy collection system and ensure the stable operation of the system. The effectiveness of the proposed coordinated control and optimization design method is verified by simulation examples, which can reduce the total amount of energy storage and has practical application value.

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黄弘扬,张震霄,解志良,等.能源汇集系统中多模式接入储能的协调控制及优化设计方法[J].电力科学与技术学报,2024,(3):159-167.
HUANG Hongyang, ZHANG Zhenxiao, XIE Zhiliang, et al. Coordinated control and optimal design method of multi‑mode access energy storage in energy collection system[J]. Journal of Electric Power Science and Technology,2024,(3):159-167.

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