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分布式发电对配电网电压分布的影响
引用本文:王志群,朱守真,周双喜,黄仁乐,王连贵.分布式发电对配电网电压分布的影响[J].电力系统自动化,2004,28(16):56-60.
作者姓名:王志群  朱守真  周双喜  黄仁乐  王连贵
作者单位:1. 清华大学电机系,北京市,100084
2. 北京电力公司,北京市,100031
基金项目:国家自然科学基金,北京市科委科技计划项目
摘    要:靠近负荷中心的分布式发电系统对配电网有着多方面影响.文中研究了分布式电源接入放射状链式配电网络前后负荷节点电压的变化.针对开式配电网,运用潮流程序进行多分布式电源接入后电压分布的计算.提出专门评价节点电压前后变化的指标.结合分布式电源出力变化、接入位置变化以及与线路电压调节配合的试验,全面总结了分布式电源在配电网中接入位置、出力限制等方面的运行规律.研究结果表明只有合理正确运用分布式电源,才能真正发挥电压支撑作用.

关 键 词:分布式发电  配电系统  电压影响
收稿时间:1/1/1900 12:00:00 AM
修稿时间:2003年12月18

IMPACTS OF DISTRIBUTED GENERATION ON DISTRIBUTION SYSTEM VOLTAGE PROFILE
Wang Zhiqun,Zhu Shouzhen,Zhou Shuangxi,Huang Renle,Wang Liangui.IMPACTS OF DISTRIBUTED GENERATION ON DISTRIBUTION SYSTEM VOLTAGE PROFILE[J].Automation of Electric Power Systems,2004,28(16):56-60.
Authors:Wang Zhiqun  Zhu Shouzhen  Zhou Shuangxi  Huang Renle  Wang Liangui
Abstract:Distributed generation (DG) near to load center has several kinds of serious potential impacts on distribution system. This paper conducts study on voltage changes when some certain capacity's DGs are penetrated into radial feeders. Power flow method is applied to obtain the voltage profile for the open loop feeders. A special voltage change index is proposed to evaluate the effects. The general operation guidelines are revealed primarily after several simulations where the DGs' outputs change, the DGs' locations change and DGs co-ordinate with line voltage regulator. The results show that DGs could provide valuable and active voltag;e support only if they are applied appropriately.
Keywords:distributed generation  electric distribution system  voltage profile
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