Islanding phenomenon must be prevented in the application of the PV grid-connected system. A method of current disturbing are developed and the simulation is conducted.
分析了光伏并网系统的孤岛现象，列举了常用的检测方法，提出了简单易行的并网电流扰动法来快速检测孤岛的产生，并进行了仿真实验。
参考来源 - 户用光伏并网系统的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
另外，并网运行模式下所带来的孤岛现象，对负载、光伏逆变电源和人生安全构成了危害；
Moreover, the islanding phenomenon grid?connected run mode brings has hazards to load, inverter and life safety.
第一个方面，主要描述现今语文作文教学困境——孤岛现象，并透过这一现象探求其成因。
The first is the main description of the plight of today's Chinese composition teaching-island phenomenon, and to explore the reason for this phenomenon.
最后一点，这些应用软件的构想可以促使那些为智能电网树立标杆的大企业打破组织孤岛现象。
Finally, the ideas from such applications could provide motivation to break down silos in the large organizations building the plumbing for the smart grid.
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