光伏并网逆变器的孤岛检测技术-机电之家网变频器技术网 关键词：光伏；并网逆变器；孤岛检测 [gap=979]Key words：PV；酣d—connected converter；islanding detection
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anti-islanding detection 反孤岛检测
Passive islanding detection 无源孤岛检测
non-devastating islanding detection 非破坏性孤岛检测
Lastly, two novel islanding detection methods are studied in depth.
最后,深入研究了两种新型的孤岛检测方法。
参考来源 - 户用式光伏并网发电控制策略的研究Islanding conditions and damages of PV grid-connected power system were analyzed;and then proposed basic principle and implementation procedure of phase lead anti-islanding detection method with inverter grid equivalent circuit according to islanding IEEE Std.2000-929 and UL1741.
分析了光伏并网发电系统的孤岛效应现象。 按照孤岛效应的国际通行标准,结合逆变器并网的等效电路给出了相位超前的反孤岛检测方法及其基本原理和实现过程。
参考来源 - 光伏并网系统孤岛检测与防止·2,447,543篇论文数据，部分数据来源于NoteExpress
Traditional passive and active islanding detection methods are discussed in the paper.
分析介绍了已有的主动和被动式孤岛检测方法。
The reason of islanding is analyzed and common islanding detection methods are introduced.
本文分析了孤岛产生的原因及常见孤岛检测方法。
A new method for islanding detection is presented, and the status of the islanding can be detected by the change of the frequency of the load voltage.
提出一种利用无功补偿技术进行并网发电系统孤岛检测的方法，通过对负载电压频率的判断即可有效检测是否进入孤岛状态。
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