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分布式电源并网系统远程孤岛检测方法的研究 被引量:5

Analysis of remote islanding detection methods for distributed generation grid-connected systems
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摘要 对孤岛效应快速、有效地检测是分布式发电系统并网运行必须解决的关键问题,现有的孤岛检测可分为本地检测和远程检测。本地检测不能取得令人满意的检测效果,因为被动检测存在大的检测盲区,而主动检测会影响电能质量,且不能用于多个分布式电源的情形。远程检测克服了本地检测的缺点,能够满足检测要求。综述了远程检测方法、尤其是最新的智能远程方法,分析了各种方法的原理和优缺点,随着智能电网的发展,远程检测方法应用于分布式电源并网系统将成为必然趋势。 A fast and reliable islanding detection was an important issue for distributed generation(DG) grid-connected system. The existing islanding detection techniques were usually divided into local detection methods and remote detection methods. The result of local detection methods was often unsatisfactory, because of large NDZ for passive methods or the impact on the grid for active methods. These weaknesses were overcome and the requirements were met all by remote detection methods. The operating principles and performance of remote islanding detection methods, especially the smart islanding detection methods were presented. With developing of smart grid, islanding detection methods would be applied in DG grid-connected systems.
作者 赵峰 葸代其
出处 《电源技术》 CAS CSCD 北大核心 2014年第3期586-588,595,共4页 Chinese Journal of Power Sources
关键词 分布式电源 孤岛检测 检测盲区 并网系统 distributed generation islanding detection non-detection zone grid-connected system
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