Dc-bus signaling:: A distributed control strategy for a hybrid renewable nanogrid

被引:437
作者
Schoenberger, John [1 ]
Duke, Richard [1 ]
Round, Simon D. [1 ]
机构
[1] Univ Canterbury, Dept Elect & Comp Engn, Christchurch 8020, New Zealand
关键词
dc system; distributed control; hybrid system; renewable system;
D O I
10.1109/TIE.2006.882012
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
A do nanogrid is a hybrid renewable system since renewable sources supply the average load demand, while storage and nonrenewable generation maintain the power balance in the presence of the stochastic renewable sources. The system is power electronic based, with converters being used to interface both the-sources and loads to the system. The nanogrid is controlled using dc-bus signaling (DBS), a distributed control strategy in which the control nodes, the source/storage interface converters, induce voltage-level changes to communicate with the other control nodes. This paper explains the control structure required for the converters to permit the use of DBS, and explains a procedure for implementing a system-wide control law through independent control of the source/storage interface converters. Experimental results are presented to demonstrate the operation of this novel control strategy.
引用
收藏
页码:1453 / 1460
页数:8
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