This paper has derived calculating formulas of arbitrary two point faults in neutral non-grounded power system by bus impedance matrix. An example of calculation is carried out with IBM computer.

本文推导出用结点阻抗矩阵进行中性点不接地系统中任意两点异相接地故障计算公式，并编制程序在IBM机上调试通过，最后进行了算例分析。

youdao

You'll want to present reasons for transferring that are grounded in the meaningful academic and non-academic opportunities afforded by the new college.

你将需要围绕新的大学能为你提供有意义的学术和非学术机会的事实来陈述转学原因。

youdao

The way of neutral grounding in 380V LV distribution system was introduced and the characteristics of grounded and non grounded systems were analyzed.

本文介绍了380V低压配电系统中性点的接地方式，分析了接地与不接地系统特性。

youdao

Following the incident, the RAF grounded all non-essential flying of all Hawk T1 aircraft fitted with the Mk10 Martin Baker-built ejection seat "as a precaution".

BBC: Flight Lieutenant Sean Cunningham

Following the incident at the Lincolnshire airbase, the RAF grounded all non-essential flying of all Hawk T1 aircraft fitted with the Mk10 Martin Baker-built ejection seat for one month "as a precaution".

BBC: Red Arrows pilot death: No charges over fatality say CPS