带混合储能的光伏并网系统功率协调控制策略研究

杨少帅; 罗萍萍

带混合储能的光伏并网系统功率协调控制策略研究

上海电力学院电气工程学院,上海 200090

基金项目: 上海绿色能源并网工程技术研究中心项目(13DZ2251900)

详细信息

作者简介:
杨少帅(1992—),男,硕士研究生,研究方向为新能源并网,E-mail:yangshaoshuai@126.com;罗萍萍(1969—),女,副教授,硕士生导师,主要从事电力系统安全运行分析与研究、继电保护研究、新能源并网研究等,E-mail: luopingping@shiep.edu.cn。

中图分类号: TM914
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出版历程
- 发布日期: 2019-03-20

Research on Power Coordination Control Strategy of Photovoltaic Grid-connected System with Hybrid Energy Storage

School of Electrical Power Engineering,Shanghai University of Electric Power,Shanghai 200090,China

摘要

摘要: 针对光伏发电系统功率输出随机性强、波动性大等问题,本文提出了一种光伏超级电容蓄电池电解槽混合发电系统功率协调控制策略。分析并建立了光伏、超级电容、蓄电池及电解槽的数学模型,构建了一种将系统各单元通过变换器汇集于直流母线的混合系统结构。该控制策略将超级电容和蓄电池两者的荷电状态SOC(State of Charge )均考虑在内,通过对不同工况下系统各单元出力的协调控制,在实现直流微电网有功功率平衡的前提下,达到维持直流母线电压稳定和平抑系统并网功率的目的,提高了光伏利用率。利用PSCAD/EMTDC软件进行建模与仿真分析,验证了本文所提控制策略的有效性。
- 光伏发电 /
- 储能 /
- 混合系统 /
- 协调控制 /
- 荷电状态
Abstract: In view of the strong randomness and large fluctuation of power output for photovoltaic power generation system, a power coordination control strategy for PV-super capacitor-battery-electrolyzer hybrid power generation system is presented in this paper. The mathematical models of photovoltaic, super capacitor, battery and electrolyzer are established, and a hybrid system structure that gathers each unit of the system on the DC bus through the converter is built. The control strategy takes into account the state of charge (SOC) of both the super capacitor and the battery, the voltage stability of the DC bus is maintained and the internet power is smoothed through the coordinated control on the output of each unit under different conditions of system, in the premise of DC microgrid active power balance, which improves the utilization rate of photovoltaic. The correctness of the proposed model and the validity of the control strategy are verified by PSCAD/EMTDC software simulations.
- PV /
- energy storage /
- hybrid system /
- coordinated control /
- state of charge

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文章访问数: 451
HTML全文浏览量: 19
PDF下载量: 84
被引次数: 23

带混合储能的光伏并网系统功率协调控制策略研究

作者简介: 杨少帅(1992—),男,硕士研究生,研究方向为新能源并网,E-mail:yangshaoshuai@126.com;罗萍萍(1969—),女,副教授,硕士生导师,主要从事电力系统安全运行分析与研究、继电保护研究、新能源并网研究等,E-mail: luopingping@shiep.edu.cn。

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出版历程

Research on Power Coordination Control Strategy of Photovoltaic Grid-connected System with Hybrid Energy Storage

期刊类型引用(10)

其他类型引用(13)

计量

出版历程

目录

作者简介:
杨少帅(1992—),男,硕士研究生,研究方向为新能源并网,E-mail:yangshaoshuai@126.com;罗萍萍(1969—),女,副教授,硕士生导师,主要从事电力系统安全运行分析与研究、继电保护研究、新能源并网研究等,E-mail: luopingping@shiep.edu.cn。