吴靖,许杰,陈佩军,蒋燕萍,周斌
WU Jing,XU Jie,CHEN Peijun,JIANG Yanping,ZHOU Bin

• 1:浙江大有实业有限公司杭州科技发展分公司

摘要(Abstract)：

近年来,可再生能源发电量在上网总电量中占比不断提高,其自身出力所具有的随机性、波动性和间断性等特点对电网的稳定与安全造成了一定影响。为了解决上述问题,并网型BESS(电池储能系统)快速发展并应用,在电力系统的发电侧、电网侧、用户侧和辅助服务领域均起到了积极作用。在BESS中,PCS(功率变换系统)一般为电力电子变换器,是保证其正常及高效工作的关键设备,通过回顾PCS并网结构的发展历程,尤其涉及DC/AC部分变换器拓扑的演变,按照集中式并网和模块化并网两大类,分析总结了各种并网结构的优势及其存在的问题,为其发展提供参考。
With its proportion increases in the total on-grid electricity, the output randomness, fluctuation and intermittence of renewable energy generation pose threat to the stability and safety of power grid. To solve the problem above, BESS(battery energy storage system) has developed rapidly and has been applied, and has played a positive role at generation side, grid side, consumer side and auxiliary service field of power system. Power electronics converter, often used as the PCS(power conversion system), is the key equipment to ensure its normal and efficient operation. The paper reviews the development history of PCS integration structure and especially topology evolution of DC/AC converter and analyzes and sums up the advantage and problems in various integration structures of centralized integration and modular integration to provide a reference for their development.

关键词(KeyWords)： 电池储能系统;功率变换系统;电力电子变换器;并网结构
BESS;PCS;power electronics converter;integration structure

Abstract:

Keywords:

基金项目(Foundation): 国网浙江省电力有限公司集体企业科技项目(HZJTK201906)

作者(Author): 吴靖,许杰,陈佩军,蒋燕萍,周斌
WU Jing,XU Jie,CHEN Peijun,JIANG Yanping,ZHOU Bin

DOI: 10.19585/j.zjdl.202103016

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