DC voltage control of the DC micro-grid for super high quality distribution

被引：0
|
作者：
Kakigano, H. [1 ]
Miura, Y. [1 ]
Ise, T. [1 ]
Uchida, R. [1 ]
机构：
[1] Osaka Univ, Div Elect Elect & Informat Engn, 2-1 Yamadaoka, Suita, Osaka 5650871, Japan
来源：
2007 POWER CONVERSION CONFERENCE - NAGOYA, VOLS 1-3 | 2007年
关键词：
micro-grid; distributed generation; high quality power; dc distribution;
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：
DC micro-grid is a novel super high quality electric power system. The power is transmitted through de distribution line and converted to required ac or dc voltages by converters placed near loads. Those load side converters do not need transformers by choosing proper de distribution voltage ( 170 V). The dc power line is composed of 3 wires: +170 V line, neutral line and -170 V line. The distribution voltages have to be balanced to keep high quality power supplying. In this paper, a voltage balancer for de distribution are proposed and studied. Computer simulation results demonstrated that de micro-grid was able to supply both ac and dc power to loads simultaneously and stably by 3-wire dc distribution line and load side converters. In addition, another voltage balancer (dc/dc converter type) is also proposed and studied in the last section.
引用
收藏
页码：496 / +
页数：2
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