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- quadrilateral directional distance relay 四边形方向性距离继电器
- directional distance relay 定向距离继电器
- The ANSI standard device number for a distance relay is 21. 距离保护的ANSI标准设备号是21。
- 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]
- 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。
- 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 system allows such servicesas direct inward dialing, direct distance dialing, and console switchboards. 该系统允许直接内部拨号、长途直接拨号以及控制台交换转接等。
- There are close to 40 five-star hotels in Beijing and the international direct distance dialing can reach 240 countries and regions. 北京市内仅五星级宾馆就有近40家,国际直拨电话可连接240个国家和地区。
- For the disadvantages of the classic methods of distance relay protection, a distance relay protection mode of combining BP network and radial basis function network (RBFN)is proposed. 针对传统的距离保护方法存在许多不足,提出了一种将BP网络与径向基函数网络相结合的距离保护模型。
- Central office telephone equipment serving subscribers at one location on a private automatic branch exchange basis. The system allows such servicesas direct inward dialing,direct distance dialing,and console switchboards. 中央局的电话设备,以用户专用自动交换机方式为某一地区的用户服务。该系统允许直接内部拨号、长途直接拨号以及控制台交换转接等。
- Central office telephone equipment serving subscribers at one location on a private automatic branch exchange basis. The system allows such servicesas direct inward dialing, direct distance dialing, and console switchboards. 中央局的电话设备,以用户专用自动交换机方式为某一地区的用户服务。该系统允许直接内部拨号、长途直接拨号以及控制台交换转接等。
- Study on Adaptive Ground Distance Relay 自适应接地距离继电器的研究
- Adaptive Earth Fault Distance Relay 自适应接地距离继电器
- New Phaselet-based Algorithm of Fast Distance Relay 基于小矢量的快速距离保护新算法
- current compensational ground distance relay 电流补偿式接地远距继电器
- Artificial Neural Network Distance Relay 人工神经网络距离继电器
- She cast her eyes down to avoid direct eye contact. 她垂下双目以避免对视。
- definite time limit distance relay 定时限远距继电器
- I'll book you on a direct flight to London. 我将为你预订直飞伦敦的航班。
- balanced beam type ground distance relay 平衡杆式接地远距继电器