Design and Experimental Validation of a Dual Mode VSI Control System for a Micro-grid with Multiple Generators

被引:0
作者
Vargas-Serrano, Andres [1 ]
Saez, Doris [1 ]
Reyes, Lorenzo [1 ]
Severino, Bernardo [1 ]
Palma-Behnke, Rodrigo [1 ]
Cardenas-Dobson, Roberto [1 ]
机构
[1] Univ Chile, Dept Elect Engn, Santiago, Chile
来源
38TH ANNUAL CONFERENCE ON IEEE INDUSTRIAL ELECTRONICS SOCIETY (IECON 2012) | 2012年
关键词
Battery energy storage system; distributed power generation; power inverter; smart micro-grid; micro-grid; micro-source controller;
D O I
暂无
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
A battery storage system connected to a micro-grid through a Voltage Source Inverter (VSI) can have at least two operating modes (dual-mode). In the first one the VSI is connected to a synchronous generator which could be considered as a large capacity grid or infinite busbar. The second operating mode is obtained when the VSI is feeding an isolated load and several small micro-sources. Therefore, for a proper operation of this system, the VSI has to be controlled in order to operate in the grid-connected or stand-alone modes, with seamless transfer between them. This paper proposes a master-slave control strategy for the main energy storage VSI operating in a micro-grid. The proposed control strategy achieves seamless transfer between these two situations with minimal communication requirements between the VSI and the micro-grid controller, and allows the VSI to operate in parallel with virtually any type of generator or inverter. The control scheme is formulated for a micro-grid operated using conventional droop strategy. A control strategy is proposed for each of the VSI control levels. The control strategies have been experimentally tested in a full practical micro-grid implemented in a small village located in the Chilean Andes. Experimental results are presented and analyzed in this paper.
引用
收藏
页码:5631 / 5636
页数:6
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