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- Research about the Transient Current Protection Relay for HV/EHV Transmission Line 超高压输电线路暂态电流保护的研究
- Analysis of Transmission Process of Fault-Generated Travelling Wave along EHV Transmission Lines and Performance of Transient Current Protection 超高压输电线路波过程及暂态电流保护性能分析
- Keywords distributed capacitance;segregated phase differential current protection;transient current protection;energy directional protection;single-phase adaptive auto reclosure; 关键词分布电容;分相电流差动保护;暂态电流保护;能量方向保护;单相自适应重合闸;
- transient current protection 暂态电流保护
- The transient process of zero-sequence current in single-phase reclosure and its effect on the accelerating period of zero-sequence current protection were analyzed. 分析了单相重合闸过程中零序电流的暂态过程及其对零序电流保护加速段的影响。
- The new inductors handle high transient current spikes without hard saturation. 这些新型电感器可在未硬饱和的情况下处理高暂态电流峰值。
- Multifunction of testing voltage value, current value, RF value and transient current strength. 多用途测试电压值,电流值,射频值及瞬变电流强度等。
- A new type of over current protection system of MCCB was Introduced. 介绍了一种新型塑壳断路器的过电流保护系统。
- BIST has been applied into transient current testing as an effective method to reduce testing spending. 内建自测试(BIST)是一种有效降低测试开销的技术,在瞬态电流测试中得到了应用。
- Inverse time current protection is judged by calculating the RMS of current and adding up heating effect. 长延时采用计算电流真有效值,累计热效应判别。
- According as the character of EHV transmission line fault transient current, based on the time and frequency localization character of wavelet transform. 基于超高压 (EHV)输电线路故障暂态电流的特点和暂态保护的基本原理 ,充分利用小波分析的时频局部化特点 ,建立了基于小波分析的暂态保护启动判据和跳闸判据。
- Instead, pages adopt the current protection level of the database whenever they are written next. 相反,每当下一次写入时,这些页才会采用数据库的当前保护级别。
- The relative situation of the fault can be distinguished by the transient current modular maximum polarity comparison from all the emanating line of a single bus. 当故障发生后,对母线所有出线的暂态电流模量的模极大值进行极性比较就可以判别故障发生的相对位置。
- MIAO You-zhong,SUN Ya-ming,YANG Hua.A new principle of transient current grounded relay for feeder in ungrounded distribution systems[J].Proceedings of the CSEE,2004,24(2):28-32. [3]苗友忠;孙雅明;杨华.;中性点不接地配电系统馈线单相接地故障的暂态电流保护新原理[J]
- The current protection focuses on the administrative practice, but conveys no private rights to the right holders. 目前中国进行的主要是行政保护式的公法保护,但在私法保护上却没有什么依据。
- In order to obtain the fault information,the transient current signal is split into M bands using parallel multi-rate filter banks,and the energy of every band is computed. 为了提取故障信息,先用平行结构的多速率滤波器组,将故障暂态电流信号并行分割为M个窄带信号,然后算出各窄带分量的能量。
- This paper concentrates on the development of 10-35kv adaptive current protection set WXB-32B. 本论文全面介绍了10-35kv馈线自适应保护装置WXB-32B的研制成果。
- The signals within SFB have well defined characteristics and contain most energy of zero modal transient current, which can ensure the reliability and sensitivity of detection. 该特征频段界限明确、且包含了暂态信号的主要能量,可保证检测可靠性和灵敏度。
- Internal circuit protection includes short-to-ground, shorted load, thermal shutdown with hysteresis, and crossover current protection. 内部电流保护包括接地短路、短路负载、因滞后而引起的过热关机与交叉电流保护。
- Internal circuit protection includes thermal shut down with hysteresis, transient-suppression diodes and crossover current protection. 内部电路保护包括因滞后引起的过热关机、瞬态抑制二极管及交叉电流保护。