The author considers that the way of resonance ground of arc extinguish coils is of a higher sensitivity for ground protection.
作者认为，消弧线圈谐振接地方式有着较高的接地保护灵敏度。
A new type of automatic reclose controller is described in this paper. A new method of low current ground protection is provided.
叙述了一种新型的自动重合控制器，提出了一种小电流接地保护的新方法。
Via slip ring disposal and modifying program of rotor one point ground protection, rotor one point ground protection operation again is effectively avoided.
通过对发电机滑环的处理及对转子一点接地保护程序的修改，有效地避免了发电机转子一点接地保护动作的再次发生。
Based on the ping-pong type field grounding protection, it presents one-point-to-ground protection scheme by integrating the self-checking method of switches.
针对乒乓式励磁回路接地保护，结合开关自检方法提出了完整的一点接地保护方案；
The principle, testing of generator stator ground protection based on the third harmonics, measurement of the third harmonics on generator stator are introduced.
介绍了漫湾电厂发电机3ω定子接地保护原理、调试方法及发电机定子三次谐波电压的测试。
The molded cement base surface, or by the construction elevation cannot use wear-resistant occasions, liquid curing agent is a new choice of ground protection.
对于已成型的水泥基地面，或者因建筑标高不能使用耐磨地坪的场合，液体固化剂是地面防护的新选择。
In this paper, the operation style of the 100% stator ground protection based on twice frequency separation is analysed, and the feasible improving scheme is put forward.
文章在分析100%定子接地保护动作方式的基础上，对其提出了可行的改进方案。研究结果表明，改进方案能更好地保证发电机安全并有利于电力系统稳定。
Wear resistant floor is the most economical and practical ground protection measures, but it can only be cast in concrete production, cast-in-place layer thickness requires more than 5cm.
耐磨地坪是目前最经济实用的地面防护措施，但它只能在现浇混凝土上制作，现浇层的厚度需要5 cm以上。
Research purposes: By researching and developing differential current transducer used for leakage detecting, to adapt the ground protection of traction inverter in localization type a metro vehicle.
研究目的：研制开发用于漏电检测的差动电流传感器，以适应国产化a型地铁车辆的牵引逆变器接地保护的要求。
Research purposes: By researching and developing differential current transducer used for leakage detecting, to adapt the ground protection of traction inverter in localization type a metro vehicle.
研究目的：研制开发用于漏电检测的差动电流传感器，以适应国产化a型地铁车辆的牵引逆变器接地保护的要求。
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