A Coordinated Strategy of Protection and Control Based on Wide-area Information for Distribution Network with the DG

被引：0

作者：

Chen, Xiaolong ^{[1
]}

Li, Yongli ^{[1
]}

Zhao, Manyong ^{[2
,3
]}

Wen, An ^{[2
,3
]}

Liu, Nian ^{[2
,3
]}

机构：

[1] Tianjin Univ, Dept Elect Engn, Tianjin, Peoples R China

[2] Dispatching Ctr, Guangzhou, Peoples R China

[3] Elect Power Res Inst China Southern Power Grid, Guangzhou, Peoples R China

来源：

2014 INTERNATIONAL CONFERENCE ON POWER SYSTEM TECHNOLOGY (POWERCON) | 2014年

关键词：

Distribution network; distributed generation (DG); protection and control; wide-area information;

D O I：

暂无

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

This paper focuses on the coordinated strategy of protection and automatic control devices to improve the power supply reliability for distribution network with the distributed generation (DG). The impact of the DG on the automatic reclosing (AR) and automatic bus transfer (ABT) in the distribution network is analyzed. Each protection in the feeder where the DG is connected is recommended to configure the AR ability. In the distribution substation region, the protection of the inlet line at the 110kV level has to be improved to be configured with the longitudinal differential protection. Finally, in order to take full advantage of wide-area information and make the protection and automatic control devices work coordinately to solve the problems in the AR and the ABT, the control strategy for the distribution feeder region and substation region based on wide-area information is proposed in this paper. Therefore, the outage time is shortened and the power supply reliability is improved as well.

引用

页数：5

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