Characteristics of distributed generation system and related research issues caused by connecting it to power system

被引：0
|
作者：
Kang, Longyun [1 ]
Guo, Hongxia [1 ]
Wu, Jie [1 ]
Chen, Sizhe [2 ]
机构：
[1] School of Electric Power, South China University of Technology, Guangdong Province Guangzhou 510640, China
[2] School of Automation, Guangdong University of Technology, Guangdong Province Guangzhou 510006, China
来源：
Dianwang Jishu/Power System Technology | 2010年 / 34卷 / 11期
关键词：
Electric power system interconnection - Electric power transmission networks - Electric power system planning - Power quality - Site selection - Oscillating flow - Electric load flow;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The characteristics of distributed generation (DG) system are presented in brief. In three aspects, i. e., the construction period and operation period of power grid containing DG and under the situation that accidents occur in the power grid containing DG, some problems caused by connecting DG to power grid and related research issues are discussed. The problems and issues are as following: when the proportion of DG in the planning scheme increases, the complexity of power grid evidently raises, and connecting DG to power grid brings the influences in the structure of distribution system, load forecasting, site selection of substations and so on; during the operation of the power grid, DG influences on intrinsic frequency, power flow, voltage oscillation and high-order harmonics of the power grid; the features of power grid containing DG find expression in island effect, system reliability and short-circuit capacity while accidents occur. Present research situation of above-mentioned issues and the direction in the research are expounded.
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页码：43 / 47
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