The original drawing also showed a power supply and the input selector. These parts have been removed as I have made my own versions.
原来的绘图也显示，电力供应和输入选择器。这些地区已被删除，我有我自己的版本。
2
In the end, combined with new technology applications in power system, the research orientation and further development of fault phase selector are discussed.
最后，结合新技术在电力系统中的应用，探讨了故障选相元件进一步的研究方向和发展前景。
3
Along with the continuous development of power system network and the continuous enhancement of voltage grade, the request is enhanced correspondingly to the fault phase selector.