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独立交流微网中电池储能与柴油发电机的协调控制
引用本文:郭力,富晓鹏,李霞林,王成山.独立交流微网中电池储能与柴油发电机的协调控制[J].中国电机工程学报,2012,32(25):70-78,12.
作者姓名:郭力  富晓鹏  李霞林  王成山
作者单位:智能电网教育部重点实验室(天津大学),天津市南开区,300072
基金项目:国家重点基础研究发展计划项目(973项目)(2009CB219700);国家自然科学基金项目(50837001)~~
摘    要:在独立交流微网系统内,柴油发电机和电池储能之间的协调控制是保证系统稳定运行的关键。利用电池储能的快速响应特性,提出了柴油发电机和储能电池的协调控制方法。柴油发电机作为主电源时,通过在储能系统传统下垂控制中引入辅助功率控制信号,防止柴油机长时过流引起的系统崩溃,提高了系统稳定性。针对微网内主电源从储能系统转为柴油发电机或者从柴油发电机转为储能系统时的短时停电问题,提出了柴油发电机和储能电池双主电源的无缝切换控制策略。最后利用PSCAD仿真软件对所提方法进行了验证。

关 键 词:独立微网系统  电池储能  柴油发电机  协调控制  无缝切换

Coordinated Control of Battery Storage and Diesel Generators in Isolated AC Microgrid Systems
GUO Li , FU Xiaopeng , LI Xialin , WANG Chengshan.Coordinated Control of Battery Storage and Diesel Generators in Isolated AC Microgrid Systems[J].Proceedings of the CSEE,2012,32(25):70-78,12.
Authors:GUO Li  FU Xiaopeng  LI Xialin  WANG Chengshan
Affiliation:(Key Laboratory of Smart Grid of Ministry of Education(Tianjin University),Nankai District,Tianjin 300072,China)
Abstract:The coordinated control of battery storage and diesel generators was the key for operation stability of the isolated AC microgrid system.In this paper,based on the fast response characteristic of battery storage system,the coordinated control method of the diesel generators and battery energy storage was presented.When the diesel generators work as the main power source,an auxiliary power control signal was added to the conventional droop control to prevent system crash caused by long-time over-current of the diesel generators and improve stability of the micro-grid.To avoid short-term outage that happens when the main power source in the micro-grid changes from the diesel generators to energy storage system or from energy storage system to the diesel generators,the seamless transition control strategy of the diesel generators and energy storage system was proposed.Finally,PSCAD simulation software was applied to verify the proposed method.
Keywords:isolated microgrid system  battery storage  diesel generator  coordinated control  seamless transfer
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