A thorough analysis is presented on the one point grounding problems existing in the silicon controlled excitation systems for the self-excited generators.

对自并励发电机可控硅励磁系统一点接地的问题进行了详细的分析，为判别接地提供参考。

youdao

At the same time, problems of the DC grounding system are valuable because it is not only significant in HVDC operation but also affects the AC system nearby.

同时，直流接地极关系着高压直流输电系统的安全运行，对于附近的交流系统也有影响，其中的一些问题也十分值得研究。

youdao

The paper mainly gives the work condition of neutral current, introduces application of four-pole switch in different grounding systems and problems to be noticed.

文章主要阐述了中性线的工况和各种不同接地系统中四极开关的应用及应用中需要注意的问题。

youdao

We are trying to make technical education the grounding from which we solve problems.

WSJ: Can U.S. Universities Stay on Top?

Battery problems have led to the grounding of the entire fleet of 787s.

BBC: Dreamliner: Boeing defends 787 batteries

According to a report in the New York Times, the two airlines operating the largest number of 787 Dreamliners, All Nippon Airways and Japan Airlines, had experienced battery problems before the two incidents that caused the grounding.

FORBES: With 787 Dreamliners Still Grounded And Few Leads On Battery Fires, Boeing Delivers A Good Q4