新型光伏锂电无均衡管理储能发电系统

彭飞; 刘志祥; 陈维荣

doi:10.3969/j.issn.0258-2724.2014.05.027

新型光伏锂电无均衡管理储能发电系统

doi: 10.3969/j.issn.0258-2724.2014.05.027

详细信息

通讯作者:
陈维荣（1965-），男，教授，博士，博士生导师，主要研究方向为智能监控与智能信息处理、新能源技术与应用、智能电网等，E-mail：wrchen@home.swjtu.edu.cn

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出版历程
- 收稿日期: 2014-01-16
- 刊出日期: 2014-10-25

Novel PV/Li-Ion Energy Storage System Based on Non-balancing Cell Management

摘要

摘要: 提出了一种新型光伏锂电储能系统拓扑结构.在该结构中，光伏电池与锂离子电池单体之间通过控制单元实现能量耦合，通过光伏电池与锂离子电池单体之间的结构耦合，实现锂离子电池的无均衡管理（NBCM）.对该拓扑结构进行了仿真和实验验证，实验结果表明，该光伏锂电储能模组能够在以欠压浮充为投切判据的控制单元工作模式下，实现光伏电池近似MPPT工作的同时，能有效地对锂离子电池进行充放电；与肖特基二极管近似直连相比，通过MOSFET以近似直连的方式耦合选定工作电压的30 W光伏电池与锂离子电池能够提升模组能量效率约8%，在独立运行和并网运行光伏储能发电系统中均可应用.
- 光伏电池 /
- 锂离子电池 /
- 无均衡管理 /
- 储能发电系统
Abstract: A novel topology of an energy storage system composed of PV panels and lithium-ion batteries was presented. For the individual module of the proposed system, the energy coupling between the photovoltaic panel and lithium-ion cell is achieved with the designed control unit. Besides, with the structural coupling of the photovoltaic panel and lithium-ion cell of the PV/Li-ion module, the non-balancing cell management (NBCM) for the lithium-ion cell is realized. The proposed system was verified by simulation and experiments. It is shown that, in the proposed PV/Li-ion module, with the low-voltage floating charging criteria, the approximate MPPT (maximum power point tracking) control was accomplished with the charge-discharge of the lithium-ion cell. In comparison with the schottky diode connection, the operation efficiency of the PV/Li-ion module is increased by about 8% when there is a nearly direct connection between the lithium-ion cell and the 30 W PV panel with nearly no intervening electronics (just MOSFETs, metallic oxide semiconductor field effect transistor). The novel topology of the NBCM PV/Li-ion system can be applied both in stand-alone photovoltaic-battery systems and in grid-connected photovoltaic power plants.
- solar cell /
- lithium-ion cell /
- non-balancing cell management /
- energy storage system

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参考文献(23)

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文章访问数: 814
HTML全文浏览量: 57
PDF下载量: 569
被引次数: 0

新型光伏锂电无均衡管理储能发电系统

doi: 10.3969/j.issn.0258-2724.2014.05.027

通讯作者: 陈维荣（1965-），男，教授，博士，博士生导师，主要研究方向为智能监控与智能信息处理、新能源技术与应用、智能电网等，E-mail：wrchen@home.swjtu.edu.cn

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出版历程

Novel PV/Li-Ion Energy Storage System Based on Non-balancing Cell Management

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出版历程

目录

通讯作者:
陈维荣（1965-），男，教授，博士，博士生导师，主要研究方向为智能监控与智能信息处理、新能源技术与应用、智能电网等，E-mail：wrchen@home.swjtu.edu.cn