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- An "Overcurrent Relay" is a type of protective relay which operates when the load current exceeds a preset value. 过电流继电器是继电保护装置的一种,当负载电流超过整定值时,继电器动作。
- Voltage Clamping. The circuitry necessary to protect relay contacts from excessive voltage caused by switching current into inductive loads. 电压箝位为保护继电器触点不受切换至感性负载的电流引起的太大电压损坏所必须的电路。
- YUE Quan-ming,GU Yong-peng,LU Fei-peng.GA based determination of minimum break point set for optional coordination of directional protective relay in a multiloop network[J].Relay,2002,30(8) :23 -26. [6]乐全明;顾永朋;吕飞鹏.;基于GA的环网方向保护配合最小断点集的计算[J]
- Be familiar with electric engineering design, detail design, PSB requirement, LV/MV switchgear, and protection relay. 熟悉电力设计、二次图设计、开关柜设计、继电器保护设计。
- ANSI protective relay designation numbers 美国国家标准保护继电器标准指数
- Protective relay applications to transmission lines 传输线路保护继电器的应用
- GE Yaozhong. Adaptive protection relay and itps prospect ofdevelopment . Automation of Elect ric Power Systems , 1997 ,21 (9) : 42246. 葛耀中.;自适应继电保护及其前景展望
- A kind of design method of microprocessor protection relay apparatus based on real time operating system(RTOS) was introduced in this paper. 介绍了一种基于实时操作系统的微机继电保护装置的设计方法。
- Intelligent Design on Overload Protective Relay 过载保护继电器的智能化设计
- Test device of protective relay and its property 新一代微机继电保护测试仪及其基本性能
- Microcomputer Based Protective Relay Platform 微机保护平台研究
- pilot line protective relay system 领示线保护继电制
- bearing over-heat protective relay 轴承过热保护继电器
- residual cur-rent operated protective relay 剩余电流继电器
- winding over-heat protective relay 绕组过热保护继电器
- Export of medium voltage protection relays and energy meters. 出口中级电压带保护继电器和累计式瓦特表。
- Equipped with phrase protection relay, power short-cut protection, current overload protection, hi-low voltage switch, freeze protection, water fiow control, electronic time holdup device, etc. 装有相序保护、电源短路保护、电流过载保护、高低压控制、结冰保护、水流制、电子时间延迟安全装置。
- Also analysis the frequency respond and filter characteristic of Fourier arithmetic based on the uncertainty of the sample result of sine signal. And meanwhile analysis the influence of the fault on the protection relay and Fourier arithmetic. 同时,根据正弦信号采样结果的不确定性现象,分析了离散形式的傅氏算法的幅值频率响应以及其滤波特性,并由此分析了直流系统发生换相失败故障以及系统恢复过程中的暂态过程对交流侧系统的继电保护以及傅氏算法的影响。
- The veracious fixed value of the differential protection relay is very important, which directly affects the reliability of short out alternately, neutral-point and direct or indirect grounding. 作为电力系统中变压器及发电机的主保护元件,差动保护继电器整定值选择的准确性直接影响其相间短路、中性点直接或间接接地的可靠性。
- B.If, after examination, the motors and pumps are defected and the Seller is unable to fix the defect on its own, the defected protection relay shall be returned to Siemens Limited, Taipei. 如于检测后,马达与帮浦产生故障瑕疵,且买方无法自行修理故障处,则此瑕疵物应退还予西门子股份有限公司台北分公司。