A novel method of identifying permanent fault for single-phase adaptive reclosure in transmission lines with shunt reactors is proposed. 针对带并联电抗器的超高压输电线路,提出一种单相自适应重合闸永久性故障识别的新方法。
The current research of self-adaptive reclosure is introduced based on its principles in various cases, and the reclose sequence is also presented. 结合各种情况下自适应重合闸实现原理,对目前自适应重合闸研究现状作了阐述,介绍了自适应重合闸顺序。
Gate valves are normally used for on-off service and are not recommended for throttling service. Analysis on Lightning Stroke Accident in 220 kV Transmission Line During Single-Phase Reclosure of Line Breaker and Its Electromagnetic Transient Simulation 闸阀通常应用于开启-关闭场合,不能用于节流应用。线路开关单相重合闸期间雷击事故及电磁暂态仿真
Study on Single-phase Adaptive Reclosure Scheme Based on Parameter Identification 特高压长线路单相自适应重合闸的新原理基于参数识别的单相自适应重合闸研究
Study and Application of Wavelet Energy Entropy to Three-phase Reclosure Fault Distinguishment 小波能量熵在三相重合闸故障判别中的应用研究
The cause of the reclosure failure of WXB? 11 line protection is analyzed when it is applied with local power source. 分析了当WXB11型微机线路保护应用在带小电源的线路时,重合闸拒动的原因。
Study on Reclosure Technique Based on Branch Transient Potential Energy; This requirement has brought about the development of breaker operating mechanisms that are not only high-speed opening, but are also high-speed reclosing. 基于支路暂态势能分析的重合闸技术研究这种要求已促使研制出具有不仅能快速分闸而且也能快速重合闸的断路器操动机构。
Based on wavelet energy spectrum analysis, the authors propose a single-pole adaptive reclosure scheme for transmission lines. 提出一种基于小波谱能量分析的输电线路单相自适应重合闸方案。
Single-Phase Adaptive Reclosure of Transmission Lines Based on EMD and Approximate Entropy 基于经验模态分解及近似熵的输电线路单相自适应重合闸
Influence of Three-phase Reclosure Sequence on Transient Voltage Stability Desktop applications fit into four categories of posture: sovereign, transient, and daemonic. 三相重合时序对暂态电压稳定性的影响桌面应用可以分为3种姿态,即独占、暂时和后台。
Study of Protective Relay on Series Capacitor Compensated Lines& Study of Protective Relay and Reclosure on Double-circuit Lines on the Same Pole 串补线路继电保护的研究与同杆双回线继电保护及重合闸的研究静止无功发生器与晶闸管投切电容器协同运行混合无功补偿系统
The adaptive reclosure of double circuit lines on the same tower and its field test technology are introduced. 介绍了同杆双回线自适应重合闸及其现场测试技术,提出了多种试验方法,分析和解决了试验中发现的问题。
The self-adaptive reclosure, which is aimed to distinguish the transient fault and the permanent fault, can reduce the power loss caused by faults and enhance the stability of power system. 区分瞬时性和永久性故障为目的的自适应重合闸,能减少故障对电能的损失,增强电网的稳定性。
Reclosure can only occur after the lockout state is reset. 再次接入仅在闭锁状态复位后出现。
Analysis of transient process of zero-sequence current during single-phase reclosure 单相重合闸过程中的零序电流暂态过程分析
Study on phase criterion for single-pole adaptive reclosure 单相自适应重合闸相位判据的研究
A new scheme used in single-phase adaptive reclosure is proposed. 提出一种单相自适应重合闸的新方案。
The Study on Single-pole Adaptive Reclosure Based on Neural Network 基于神经网络的单相自适应重合闸的研究
Study on adaptive single-phase reclosure based on intelligent control 智能型自适应单相重合闸的应用研究
The Research of Adaptive Reclosure 自适应重合闸的研究
This paper brings forward a whole new scheme of three-phase adaptive reclosure, which uses the carrier channel and its signals to distinguish transient faults and permanent faults. 提出了一种用于区分输电线路瞬时性故障和永久性故障的新方法:利用高频通道及其信号区分瞬时性故障和永久性故障,从而实现三相自适应重合闸。
An automatic reclosure setting software package based on object_oriented method is introduced. This software package is based on object_oriented concept and has a combined character of graph, database and computation. 介绍了基于面向对象法的自动重合闸整定软件包,该软件包基于面向对象的思想,具有图形、数据库和计算结合等特点。
Studies on the effect of unsimultaneous Reclosure on T g shaft torsional torques and power system transient stability 分相重合对轴系扭振和系统运行稳定性的影响研究
Application of the State Estimate Model to the Adaptive Reclosure 状态估计模型在自适应重合闸中的应用
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 theoretical analysis and offline algorithm of the optimal reclosure have been developed well. 优选最佳重合时刻的理论分析和离线计算也已经较为完善。
Therefore, before reclosing, discrimination of the fault type correctly to achieve adaptive reclosure is very necessary. 因此,在重合前正确判别故障类型,只在瞬时性故障时予以重合,即实现自适应重合闸,是十分必要的。
Multiple Signal Classification ( MUSIC) is used to estimate the power spectrum of fault phase voltage, and the new criterion of single phase adaptive reclosure based on power spectrum is proposed. 利用多重信号分类(MUSIC)对故障相电压信号进行功率谱估计,提出基于故障相电压功率谱的单相自适应重合闸新判据。
Only in the implementation of instantaneous reclosure failure to prevent a permanent fault conditions coincide huge impact on the system. 只在瞬时性故障时实施重合闸,避免了永久性故障情况下重合对系统的巨大冲击。
The paper proposes a novel scheme of single-phase adaptive reclosure to limit single-phase-reclosure over-voltage. 同时本文提出了新的单相重合闸方案,进一步有效抑制单相重合过电压。