基于PSCAD/EMTDC的双电池储能系统协调运行特性分析

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摘要本文提出了适用于新能源接入场景的双电池储能主电路结构,给出了双电池储能A、B单元单独承担充电或放电任务的运行工作原理,建立了双电池储能按照给定功率运行的数学模型,Buck-Boost电路采用了定周期比较策略实现双电池储能单元所给定参考功率的传输,变流器VSC采用精确反馈线性化控制策略实现直流侧电压恒定和给定无功的传输;最后基于PSCAD/EMTDC搭建的仿真平台对所提出的主电路结构的合理性及双电池储能按照给定充放电循环深度运行的协调控制策略的有效性进行验证。

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	李军徽
	吉丽
	崔新振
	严干贵
	穆钢
	王芝茗

关键词 ：双馈式异步风力发电机, 双电池储能系统, Buck-Boost电路, PSCAD/EMTDC

Abstract：This paper proposes a new energy access scenario applies to dual battery energy storage main circuit structure, gives the dual-battery energy storage A,B separately responsible for charging or discharging operation principle, and also establishes the mathematical model for the dual-battery energy storage in the given power running, Buck-Boost circuit uses a given period comparative strategy to achieve double battery energy storage unit of a given reference power transmission, converter VSC adopts exact feedback linearization control strategy to achieve constant dc voltage and the transmission of the given reactive power. Finally the simulation platform which is built based on PSCAD/EMTDC verifies the validity of the coordinated control strategy for the rationality and dual-battery energy storage of the proposed main circuit structure according to the effectiveness of a given charge-discharge cycle.

Key words： Doubly-fed induction wind generator Dual-battery energy storage system Buck-Boost circuit PSCAD/EMTD

收稿日期: 2014-07-15 出版日期: 2015-09-08

PACS:

TM715

基金资助:国家高技术研究发展计划（863计划）项目(2011AA05A112); 国家自然科学基金资助项目(51207018); 教育部“长江学者和创新团队发展计划”项目(IRT1114); 吉林市科技发展计划项目(201464038)

作者简介: 李军徽男,1976年生,博士,副教授,研究方向为风力发电运行分析与控制,大规模储能在新能源发电中的应用。吉丽女,1988年生,硕士研究生,研究方向为风储协调控制技术。

引用本文:

李军徽,吉丽,崔新振,严干贵,穆钢,王芝茗. 基于PSCAD/EMTDC的双电池储能系统协调运行特性分析[J]. 电工技术学报, 2015, 30(14): 434-441. Li Junhui,Ji Li,Cui Xinzhen,Yan Gangui,Mu Gang,Wang Zhiming. Coordination Operating Characteristics Analysis of Dual Battery Energy Storage System Based on PSCAD/EMTDC. Transactions of China Electrotechnical Society, 2015, 30(14): 434-441.

链接本文:

https://dgjsxb.ces-transaction.com/CN/Y2015/V30/I14/434

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