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- The disconnector shall break away automatically at the fault current while the MOA failure under the abnormal conditions, and the failed MOA will be separated. 当MOA损伤,出现异常电流时,脱离器将自动脱离,使损伤的MOA退出系统。
- SHJ-IV fault indicator installed on the wire, used to direct the flow of fault current devices. IV故障指示器安装在电线上,用于指示故障电流流通的装置。
- By reason of its high reliability, the resonant-type fault current limiter is suitable for EHV power network. 谐振型限流器具有高可靠性等优点,适用于超高压电网。
- Abstract:A control system of the initial fault current angle in shortcircuit test is proposed. 摘要:介绍了一种用于短路试验的合闸角控制系统设计方案。
- When connecting sources to switching cards, install protective devices to limit fault current and voltage to the card. 在将信号源连接至开关卡时,请安装保护装置,限制传输至开关卡的故障电流和电压。
- In this paper, SSMES with fault current limiting function for substation applications is proposed. 文中研究了应用于变电站的具有故障限流功能的SSMES。
- A type for AC fault currents and pulsating DC fault currents. 用于交流和直流脉动故障电流。
- For the distributed capacitance of the network is the main cause of the fault current, it can be compensated and reduced by installing arc suppression coil(ASC). 电网对地分布电容的存在是接地点产生故障电流的主要原因,在电网的中性点与大地之间加装消弧线圈,可使容性电流得到补偿,从而使接地点的电流减小。
- Resistive high temperature superconducting fault current limiters (HTSFCL) utilize S-N transition of superconductor to limit the short-circuit current. 电阻型高温超导限流器(HTSFCL)利用超导体的超导态-正常态转变来限制短路电流,无需短路故障检测电路,具有体积小、重量轻的优点。
- The resonance fault current limiter (RFCL) is a practical way to solve the problem of the bulk fault current on the EHV. 谐振型限流器的电容器因故障电流引起过电压,传统过电压保护技术不适合限流器的系统工况。
- To evaluate the performance of the superconducting fault current limiter(SFCL),the PSCAD analysis has been executed on a... 通过PSCAD软件对超导故障限流器的运行特性进行仿真分析,证明超导故障限流器在电力系统中应用的意义与前景。
- The superconducting fault current limiter (SFCL) can limit current and realize to control the voltage dip in non-faulted line. 超导故障限流器可以在限流的同时实现控制非故障线路电压跌落的目的。
- Acknowledge and in time effective protection of power semiconductors from fault current is of utmost importance for the reliable operation of AC equipment on electric locomotive. 电力半导体器件故障电流 (特别是短路电流 )的确认与及时有效保护 ,对电力机车交流装置的可靠工作至关重要。
- But the fault current in single-phase grounding is so small that it is very hard to detect, single-phase grounding protect problem have no very effectual solution as yet. 但是由于小电流接地电网单相接地时故障电流非常小,单相接地保护问题一直没有很好的解决。
- short circuit failure current limit 短路故障限流器
- Design electronic circuits for circuit breaker applications including phase and ground fault current protection and electronic accessories for circuit breakers. 设计断路器的电子电路,包括断路器的相位、接地故障电流保护和电子配件。
- Based on wavelet transform and multiresolution analysis, a new method to distinguish transformer inrush current from its internal fault current is proposed. 提出一种基于小波变换和多分辨分析识别变压器励磁涌流和内部故障电流的新方法。
- TA iron cores will produce a lot of remanence when fault current is cut, which will make TA reach saturation under the condition of little primary current. 电流互感器(TA)的铁心在故障电流开断时刻,将产生大量的剩磁,这将使TA在较小的一次输入电流情况下就达到饱和状态。
- The waveform characteristics of transformer magnetizing inrush and internal fault current are analyzed and a method to identify magnetizing inrush is presented. 分析变压器励磁涌流和内部故障电流的波形特征,提出励磁涌流识别的新方法。
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