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- The DC line fault happened on the pole 2 of Gui-Guang HVDC of China Southern Power Grid on January 15th 2007 is simulated successfully by use of the HVDC simulation model of RTDS. 用实时数字仿真系统RTDS重现了2007年1月15号高肇直流极2线路故障,将仿真实验结果和实际故障录波结果进行了对比研究,提出使用残差相似度来表征动态仿真的整体误差。
- Frequency Accident Analysis in East China Grid Due to DC Line Fault 华东电网因直流故障的频率事故分析
- DC line fault 直流线路故障
- You can add enough small capacitors on DC line. 线路上加足数的小电器。
- If the zipper backpack still be able to line fault. 如果拉链故障背包是否还能行。
- The LDC filter is introduced into a rc welding inverter power source and the voltage ripple of the DC line is decrea sed. 在弧焊逆变电源中采用LDC滤波电路,可以降低直流线上的电压纹波。
- However, the ADF controller design is very difficulty employing conventional technique for overlong distance overhead DC line in HVDC system. 但是,对于超长距离架空线路的HVDC系统,ADF的控制器难以按常规方法设计。
- LIU Dong,WU Zehui.Analysis on the Tian-Guang DC line protection against high-impedance ground faults.CSG Technology Research,2005,1(5):57-63. [6]刘东;吴泽辉.;天广直流线路高阻抗接地故障保护分析
- Practice in lab show: the system reliability, the function to on- line fault di- agnos... 该诊断平台经过实验证明,工作可靠,满足对电力设备在线诊断的技术要求。
- The converter units generate harmonics which flow in the AC and DC lines. 换流器单元产生的谐波会流过交流和直流线路。
- This paper analyzes the influence of the probability of line fault position and the transition resistance to the power system security measure. 研究了输电线路的故障地点和故障过渡电阻的随机性对电力系统动态安全性测度的影响。
- With the aid of phase-mode transformation, one line fault and cross line fault positions are determined in mode-domain accurately. 该算法不受系统阻抗和过渡电阻的影响,并且消除了双回线间耦合的影响,可用于单回线故障和跨线故障的测距。
- Introduction to calculation of recovery voltage in short line fault(SLF) and theoretical analysis of the interrupter in various arcing time. 介绍开断近区故障(SLF)时恢复电压的计算和灭弧室在不同燃弧时间下的理论分析。
- Using multi-resolution and maximum value of the wavelet transform, a method of transmission line fault location is devised. 运用小波变换的多分辨率和模极大值特性,提出了一种电缆故障点自动定位方法。
- 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。
- As re-active power cannot be transmitted over DC lines, each AC system must supply the reactive power for the connected DC terminal. 由于无功功率不能通过直流线路输送,每个交流系统必须提供无功给所联接直流换流终端站。
- It is vital but difficult for ultra-high-speed (UHS) protection to reliably identify whether there is a line fault when a circuit breaker closes into a transmission line. 可靠地判别断路器合闸时输电线路是否有故障,是超高速保护实用化必须解决的一个棘手问题。
- It is noteworthy that country An Neige scores point is unexpectedly middle the counter-attack the match defense line fault help, the luck ingredient is self-evident. 值得注意的是,国安那个进球竟然是反击当中对手防线失误帮忙,运气的成分不言而喻。
- But high-voltage lines are already approaching the million-volt limit on insulators and the operating limits of semiconductor devices that control DC lines. 不过,高压线路的绝缘体已经逐渐接近百万伏特的限制,而控制直流线路的半导体装置,也即将达到运作极限。
- The line AB cuts the line DC at the point E. AB线和DC线在E点相交。