On the basis of the above discussed methods, three PV system controllers are developed.
在此基础上介绍了研制的两种小型简单的光伏系统控制器和一种较复杂的光伏系统控制器。
参考来源 - 独立运行光伏发电系统控制器的研究与设计Conclusion The newly-designed PV system can enhance technology content of beekeeping,improve the electrical power of beekeeper,and spread the use of renewable energy.
结论用所设计的光伏系统供电,提高了养蜂的科技含量,改善了养蜂人员的电源供应情况,也推广了可再生能源的利用。
参考来源 - 转地养蜂专业户光伏系统的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Think of that as one rooftop PV system for every four people on the planet.
想像一下，地球上每四个人用一个屋顶光伏系统。
If an automobile battery is used in a PV system, it will generally degrade much faster because it is not designed for deep cycling.
如果在光伏系统中使用车用蓄电池，蓄电池通常降质更快，因为它并非为深循环而设计。
This paper researches deeply on the principle, development and implementation technique of embedded gateway based on grid-connected PV system.
文章以光伏并网系统为应用背景，深入研究嵌入式网关的原理、开发和实现技术。
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