You may need to revise any projections that are out-of-step with these indicators. 你可能需要根据这些不合拍的表像去修改你的那些规划。
Studies on Out-of-Step Splitting Criterion and Control Scheme Based on Wide Area Measurements 基于广域测量信息的失步解列判据与控制方案研究
Research of Out-of-step Prevented Control Strategy of Low-speed Permanent Magnet Linear Synchronous Motor 永磁式低速同步电动机低速永磁直线同步电动机的失步预防控制策略研究
Analysis and solutions of out-of-step cause for stepper motor 步进电动机失步原因分析及解决办法
Coordination between rotor angle stability and out-of-step protection based on WAMS 基于广域测量系统的功角稳定预测与发电机失步保护的协调控制
Out-of-step and oscillation phenomenon can be avoided if stepper motor starts on the optimal starting frequency, and stepper motor can attain to starting rotate speed in the most short time. 步进电动机在最佳起动频率下起动,可以避免电动机起动时的失步和振荡现象,并能够在最短的时间内达到起动转速。
The principle, logic and parameter setting of out-of-step protection are emphasized. 重点阐述了失步保护原理、失步逻辑和参数整定。
Appropriately control of generator out-of-step oscillation is an important issue of generator-network harmonization. 恰当处理发电机失步振荡,是机网协调的重要问题。
Requirements of Large-scale Turbine-generator Set Out-of-step Oscillation Withstanding Capability 对大型汽轮发电机组承受失步振荡能力的要求
Fault Analysis for the Out-of-step Protection of Large Synchronous Motor 大型同步电动机失步保护装置的故障分析
Analysis and prevention measures of a generator out-of-step failure 某发电机的一次失步故障原因分析和防范措施
This paper mainly analyses and demonstrates an accurate method of setting calculation on low excitation out-of-step protection, consisting of stator criterion and rotor criterion. 本文主要分析和论证了以静态稳定极限为主要判据(定子判据)和转子低电压闭锁(转子判据)构成的低励磁失步保护的准确的整定计算方法。
Based on the summarization of previous work. analysis on the out-of-step operation of power systems and study on the load frequency regulation factor have made. 本文在总结国内外失步解列装置和低频减载装置研究现状的基础上,对电力系统异步运行的和对负荷频率调节效应、基本级和恢复级协调减载策略进行了分析研究。
A New Method of Capturing the Out-of-step Central Location 一种捕捉失步中心位置的新方法
This paper studies the impedance characteristics seen by loss-of-excitation protection during out-of-step after losing field of a generator as well as the impedance locus when slip frequency varies. 本文研讨了同步发电机在失磁后异步运行状态下失磁保护测量阻抗的特性以及转差变化时该阻抗变化的轨迹,并从物理概念上进行了分析。
An algorithm of capturing out-of-step central location through reactive power was put forward. 基于此,提出了通过无功功率捕捉失步中心位置的算法。
The necessity of research on the new criteria is explained and a new asynchronous method based on compensation theory is proposed, which is dependent upon existing out-of-step criteria of power system. 在分析已有的电力系统失步判据基础上,说明新判据研究的必要性,提出了基于补偿原理的失步判断新方法。
Under the power angle closed-loop control, the resistance capacity against load disturbance is improved and the problem of out-of-step is efficiently solved. 在功角闭环控制下,电机提高了抗负载扰动能力,有效地解决了电机失步问题;
Two conditions resulting in out-of-step protection of operating are presented, and the impedance setting, maximal slip frequency and times of system oscillation are analyzed in detail, which provides references for correct and reasonable setting of out-of-step protection for large hydro-generators. 给出了失步保护启动的两个条件,并详细分析了阻抗整定、系统振荡最大滑差频率以及系统振荡次数,为大型水轮发电机组失步保护的正确、合理整定提供了参考。
Study on the Method of Out-of-step and Splitting between Large Regional Grid Based on PMU 基于PMU的大区电网间失步解列方法的研究
Thereinto, principle, logic and parameters setting of out-of-step protection are detailed. 其中,重点介绍了失步保护的原理、失步逻辑、参数整定等;
Study on Artificial Neural Network Combined with Out-of-step Protection Principle for Large Generator Units 发变组失步保护原理与人工神经网络相结合的研究
The particle states the characteristic curve of BSB-1A type out-of-step protection unit, analyzes the impedance tracks when out-of-step occurs in the generator and power system. and proposes the setting principle of unit, also, discusses the setting-calculation method of unit by example. 阐述了BSB-1A型失步保护装置的特性曲线,分析了在发电机与电力系统发生失步时的阻抗轨迹,提出整定原则,并且通过实例论述了装置的整定计算方法。
The principle and fault analysis for the out-of-step protection of synchronous motor with and without excitation are presented in this paper. 叙述了同步电动机带励或失励失步保护装置的原理及其故障分析。
A new criterion for out-of-step protection is proposed based on the study on the motion law of generator's rotor and power-angle characteristics, out-of-step state can be predicted accurately before pole slipping. 研究了发电机转子运动规律和功角特性,提出了失步保护的新判据。
The designers and users have been troubled by the out-of-step of hoisting system driven by sectional permanent magnet linear synchronous motor. 分段式永磁直线同步电动机提升系统在运行时的电机失步故障问题,一直困扰着设计者和使用者。
Nowadays, out-of-step oscillation is still considered as the most serious stability accident. 其中最严重的稳定性事故仍首推失步振荡。
Loss of excitation and out of step are the common failure form of generator, which makes loss-of-excitation and out-of-step protection the most significant aspect of large generator protection related with grid. 发电机的失磁和失步是常见的故障,使得失磁与失步保护成为研究大型发电机组的涉网保护的重中之重。
The strategy introduces dual-mode fuzzy control structure, makes power angle stability margin as the controlling and adopts the strategies of changing the power supply voltage and operating speed to prevent the occurrence of out-of-step. 该策略采用双模态模糊控制结构,以功角的稳定余量为控制量,采用改变供电电压和改变电机运行速度相结合的方法,以此达到预防该电机失步发生的目的。
In case of system oscillation, the correct action of out-of-step splitting device and relay protection device has great significance for avoiding the further expansion of accidents, and oscillation identification is just one of the core technologies. 在系统发生振荡时,失步解列装置和继电保护装置的正确动作对于避免事故进一步扩大具有重要意义,振荡识别则是其核心技术之一。