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- Study on Adaptive Ground Distance Relay 自适应接地距离继电器的研究
- current compensational ground distance relay 电流补偿式接地远距继电器
- balanced beam type ground distance relay 平衡杆式接地远距继电器
- Coordination of Ground Distance Relays for Transmission Lines 输电线路接地距离保护整定计算方法
- Operating criterion and test method of ground distance relay 接地距离保护动作判据及试验方法
- Influence of composite impedance on measurement of impedance with ground distance relay 复合阻抗对接地距离继电器测量阻抗的影响
- ground distance relay 接地距离
- The ANSI standard device number for a distance relay is 21. 距离保护的ANSI标准设备号是21。
- multi-zone distance relaying device 分段限时远距继电装置
- high-speed distance relaying system 高速远距继电方式
- Finally, coherence bandwidths for different operating frequencies and ground distances are obtained. 计算并分析了不同工作频率以及不同通信距离下的相干带宽。
- ZHANG Yonghao,YU Chengqi.Measuring distance relay based on additional fault state[J].Journal of North China Electric Power University,1998,25(2):31-35. [8]张永浩;禹成七.;基于故障附加状态的测距式距离继电器[J]
- The fox went to ground under a rocky escarpment. 狐狸钻进了石崖下面的洞里。
- It shows that impedance relay is a kind of relay based on the concept of measuring impedance and distance relay is a relay which is typical of compensating voltage. 说明了阻抗继电器是建立在测量阻抗概念上的一类继电器;距离继电器是建立在补偿电压特点基础上的一类继电器。
- The distance relays whose voltage and current signals comes from CVT and CT sometimes transiently overreach in power systems applications and dynamic tests. 这是由于CVT和CT中含有电容或电感等储能元件,使CVT和CT不能真实地反应一次系统暂态信号变化的原因造成的。
- Dynamic simulation result shows that the ameliorated method is able to reach the requirement of transient overreach for distance relay in a very short time. 通过动模数据仿真表明,改进后的算法能够在较短的数据窗内得到很好的测距效果,基本没有超越现象。
- The ground was covered with ferns. 地面上长满了羊齿植物。
- He lifted a pail of water from the ground. 他把一桶水从地上提了起来。
- Rachel who died last week was still above ground. 雷切尔上星期去世,现在还没安葬。
- Grinding of the abradant to the surface is the main reason which results in wear and tear of superhigh manganese steel. Compared With Mnl3, its grinding distance is short and its grinding groove is shallow. 磨料对试样表面的犁削是超高锰钢磨损的主要机制,同Mnl3相比,超高锰钢表面犁削距离短,犁沟浅。