The mechanism of islanding occurring is analyzed and studied in details.
详细分析了户用高频光伏并网发电系统的工作原理。
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。
Once trated, they may continue to grow causing groups of generators to lose synchronism or even islanding.
它一旦产生，就会不断增强，从而导致发电机组丧失同步以致使系统解体。
Moreover, the islanding phenomenon grid?connected run mode brings has hazards to load, inverter and life safety.
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；
So, all electric power network grid should have the ability of detecting islanding status and stopping the run mode of grid connect.
所以光伏并网发电系统都应具有检测出孤岛状态并停止并网运行的能力。
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。
Not only the of maximum power point tracking and islanding protecting techniques, but also the technique for inverter to connected with grid are discussed in detail.
通过对光伏并网逆变器最大功率点跟踪、孤岛效应和并网控制等问题的分析，提出了具体的解决方案。
Islanding detection is an essential function of distributed grid-connected power generation systems, as the islanding occurrence is unpredictable and it does great harm.
孤岛检测是分布式并网发电系统的必备功能，因为孤岛的发生一般不可预测且危害极大。
This paper analyzed the topology of grid-connected system, conversation of energy, maximum Power Point tracing (MPPT), control strategy, islanding effect of grid-connected system.
本文主要对并网系统的拓扑结构、能量变换、最大功率点跟踪、控制方案以及并网过程中孤岛效应产生和检测进行了分析和研究。
Based on WAMS signal, wide area coordinating control, closed-loop emergency control and islanding control for improving transient stability of power systems are researched in this thesis.
本论文从WAMS实测数据出发，研究了提高电力系统稳定性的全局综合控制、闭环紧急控制及解列控制等多种控制措施。
In photovoltaic grid-connected generation systems, whether the condition of islanding can be detected effectively and timely or not is of great significant for the entire grid-connected system.
在太阳能并网发电系统中，如何有效、及时地检测孤岛效应对整个并网系统具有重要的意义。
In photovoltaic grid-connected generation systems, whether the condition of islanding can be detected effectively and timely or not is of great significant for the entire grid-connected system.
在太阳能并网发电系统中，如何有效、及时地检测孤岛效应对整个并网系统具有重要的意义。
应用推荐