Research on Off-grid Control Strategy of Micro-grid Based on Current Compensation

被引：0
|
作者：
Wang Xiaohuan [1 ]
Zhang Ying [1 ]
Zhang Chunjiang [1 ]
Feng Jianzhou [2 ]
机构：
[1] Yanshan Univ, Key Lab Power Elect Energy Conservat & Motor Dr H, Qinhuangdao, Peoples R China
[2] Yanshan Univ, Key Lab Comp Virtual Technol & Syst Integrat Hebe, Qinhuangdao, Peoples R China
来源：
2016 IEEE 8TH INTERNATIONAL POWER ELECTRONICS AND MOTION CONTROL CONFERENCE (IPEMC-ECCE ASIA) | 2016年
关键词：
Micro-grid; off-grid; three-phase inverter; seamless transfer; current compensation;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Micro-grid can operate in both the grid-connected mode and stand-alone mode. Seamless transfer is required in micro-grid switching progress based on IEEE1547.4. The key technology is to reduce the impact of current and voltage to load or grid during the mode transfer. A practical grid-connected switch is a physical switch and the switching delay exists. The paper analyzes the influence of the switching delay in detail, that is, there is a uncontrollable intermediate state in the transfer process of off-grid, which will cause voltage and current overshoot. This paper presents a current compensation control strategies without increasing system complexity. Detailed analysis of the parameters affect on the system and the design basis are obtained. Simulation and experiment results verify the correctness and feasibility of the proposed method.
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收藏
页数：6
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