小型污水处理站并网光储系统设计  

Design of grid connected optical storage system for small sewage treatment station

作　　者：吴恒升 杜建军 贾国征 WU Hengsheng;DU Jianjun;JIA Guozheng(Development and Design Department,Shaanxi Photovoltaic Industry Co.,Ltd.,Xi’an 710075,China)

机构地区：[1]陕西光伏产业有限公司开发设计部,陕西西安710075

出　　处：《陕西煤炭》2021年第S02期59-63,共5页Shaanxi Coal

摘　　要：安装于村庄的小型污水处理站,有效解决了村庄生活污水乱排放的问题,利于环境保护,但村庄分散的布局,变压器容量配置偏小,24 h连续不间断供电制约着污水处理站。并网光储污水处理站是指集光伏发电、储能为一体的新能源污水处理站。本文针对商洛地区安装在农村村庄的小型污水处理站24 h持续不间断供电电能不足的难题,提出了采用“并网光伏+储能”的解决方案,详细阐述了光储系统解决该难题的电路拓扑及工作模式。并离网逆变器、光伏组件、储能电池是光储发电系统的核心设备,通过匹配负载的运行参数要求,分析了系统设计环节的关键点,分别计算出了满足用户需求的光储系统的设计参数。The small sewage treatment station installed in the village can effectively solve the problem of disorderly discharge of domestic sewage in the village,which is conducive to environmental protection.However,the scattered layout of the village,the small configuration of transformer capacity and 24h continuous power supply restrict the sewage treatment station.Grid connected optical storage sewage treatment station is a new energy sewage treatment station integrating photovoltaic power generation and energy storage.Aiming at the problem of power shortage of 24h continuous uninterrupted power supply for small sewage treatment stations installed in rural areas of Shangluo area,the solution of"grid connected photovoltaic+energy storage"is proposed,and the circuit topology and working mode of the optical storage system are described in detail.On-and-off grid inverter,photovoltaic module and energy storage battery are the core equipment of the optical storage power generation system.By matching the operation parameters of the load,the key points of the system design are analyzed,and the design parameters of the optical storage system meeting the user′s needs are calculated respectively.

关 键 词：光伏系统 磷酸铁锂电池 配电网 储能逆变器 不间断供电 

分 类 号：TM615[电气工程—电力系统及自动化] X703[环境科学与工程—环境工程]