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- 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;
- phase differential current 相电流差
- So a novel principle of phase segregated current phase differential protection for UHV transmission lines based on Bergeron model is proposed for the first time in this paper. 针对传统相位差动纵联保护反应各种故障的灵敏度不同的缺点以及特高压输电线路的分布电容较大等特点,提出了基于贝瑞隆模型实现特高压输电线路分相相位差动纵联保护的新原理。
- In this article, the schematic diagram, main specifications and the realization of the circuits of the phase differential modulator and measurer are described. 介绍了相位差调制器及测量器的原理框图、要性能指标及电路实现。
- phase segregated current phase differential protection 分相相位差动
- Connection method includes single star and double star, relaying protection method includes open delta voltage protection, differential current protection, differential protection, neutral unbalance current protection etc. 接线方式有单星或双星接线,继电保护方式有开口三角电压保护、差流保护、差压保护、中性点不平衡电流保护等几种形式。
- After this, the instantaneous phase of the transformed signal is calculated by CORDIC algorithm.Finally the frequency is estimated in a more precise way by the phase differential method. 对正交变换后的信号用CORDIC算法计算瞬时相位,然后利用相位差分方法对频率进一步精确估计。
- Based on the study about the influence of the distributed capacitance current of UHV transmission line on differential current protection, a novel accurate compensation method of capacitance current is proposed. 针对超高压输电线路分布电容电流对差动保护的影响,提出了一种电容电流的精确补偿方法。
- Research purposes: By researching and developing differential current transducer used for leakage detecting,to adapt the ground protection of traction inverter in localization type A metro vehicle. 研究目的:研制开发用于漏电检测的差动电流传感器,以适应国产化A型地铁车辆的牵引逆变器接地保护的要求。
- When line charging power,all differential current setting values increase double with some time delay it can avoid the influence of transient capacitance current on all differential protection. 在线路空充时,将各差动保护的定值提高两倍同时增加一定的时延,可靠躲过暂态电容电流对各差动保护的影响。
- The optimum design method and example on the linear phase differentiator based on the neural networks algorithm are presented. 提出了一种基于神经网络算法的线性相位微分器优化设计方法,给出了线性相位微分器的优化设计实例。
- single phase differential protection 分相电流差动
- phase-to-phase differential current 两相电流差
- transverse differential current protection 电流平衡保护
- Double differential current bridges 双桥差
- The child is going through a difficult phase. 那孩子正经历困难的阶段。
- The two sets of traffic lights were out of phase. 那两组交通灯不同步。
- Research on segregated current phase differential protection for UHV transmission lines 特高压输电线分相电流相位差动保护的研究
- They have decided to phase in the new techniques. 他们已决定逐步引入新技术。
- The windshield wipers are out of phase now. 挡水玻璃刮水器现在动作不协调。