分布式电源接入崇明电网的谐波分析  

Analysis of the Harmonious in Chongming Power Grid Connected with Distributed Resources

作　　者：范兵[1] 王辉 杨东升 

机构地区：[1]上海交通大学电子信息与电气工程学院,上海200240 [2]上海市崇明电力公司,上海202150

出　　处：《电力与能源》2012年第2期169-173,共5页Power & Energy

摘　　要：大量的分布式电源接入崇明电力系统,构成了典型的分布式能源电力系统。分布式能源发电可以促进崇明整体资源的节约利用,有利于崇明岛域内的环境保护,也有利于提高崇明电网的安全供电,具有良好的经济性、环保性、节能性、安全性和可靠性,崇明现有电网中的分布式电源符合接入电网的规定。介绍了崇明电网中分布式电源的运行情况。通过对2个案例的不同在线采集数值的分析,给出了分布式电源接入崇明电网后的谐波含量特征以及谐波对电网的危害性,并提出了治理电网谐波的技术措施。Lots of distributed resources have been connected to Chongming Power Grid in recent years,which makes Chongming Power Grid a typical power system.The？distributed generation can improve the comprehensive utilization of resources.It is helpful not only to Chongming Island＇s environmental protection,but also to Chongming Power Grid＇s safety in power supply.It can be concluded that the distributed generation has good performance in terms of economic,environmental protection,energy-saving,security and reliability.The operation status of Chongming Power Grid＇s distributed resource is introduced in this paper.Two different cases＇ data collected by on-line measurement devices show us the characteristics of harmonious caused by different distributed resource in Chongming Power Grid.The harm and suppression of the harmonics is also introduced in this paper.According to the prescriptions,the influence of the distributed resource in Chongming is within the permission.

关 键 词：分布式电源 谐波 双馈发电机 静止无功发生器 

分 类 号：TM714.3[电气工程—电力系统及自动化]