您要查找的是不是:
- stator current monitoring 定子电流监测
- This method is to control the stator current as a vector quantity on the basis of slip frequency control. 在这一控制方法中,定子电流在转差频率控制的基础上作为一个矢量进行控制。
- Gears'Fault Diagnosis by Monitoring Stator Current 通过监测电机的定子电流实现齿轮的故障诊断
- Simulation results showed that this control strategy can decrease the stator current anti improve the efficiency of the system. 仿真结果表明永磁同步电动机直接转矩控制系统最大转矩电流比控制可以降低定子电流,减小损耗,从而提高系统效率。
- Bidirectional current monitors that make sense. 电流检测放大器。
- It can realize automatic tracing and automatic mpensation so as to increase power factor of the motor,reduce temperatures of stator current and the motor. 该系统实现自动跟踪、自动补偿以达到提高电机功率因数,降低电机定子电流、电机温升等目的。
- When the motor is operated in low speed range, the stator current is discontinuous, and then the back emf can be detected directly while the stator current is zero. 当电动机操作在低转速范围时,定子电流为不连续,可在电流为零处,直接侦测反电势。
- Dynamic current monitor reflects transient loading current instantly to judge the faulty parts of mobile circuit board easily. 动态电流监测器能瞬时反映出负载跳变状态,更容易判断手机板的故障部份。
- In U-I model, the measurement of stator current will influence the EMF, and finally the magnitude and phase of flux, resulting in the inaccurate orientation, bad performance and instability. U-I模型中,定子电流的检测精度势必影响到电机反电动势的计算,最后影响磁链的大小和相位,导致磁场定向不准确,系统性能不好,工作不稳定。
- First, a simple rotor position estimating technique is presented.By measuring the stator current and compensating for the influence of the back EMF, the rotor position and velocity can be estimated. 首先,提出一种简单的转轴角度估测方法,经由侦测定子电流,并适当地补偿电动机的反电势的影响,即可准确估测永磁同步电动机的转轴角度与速度。
- This paper presents briefly the structure of a permanent type HTSC maglev vehicle model and analyses some exprimental results of levitation force, guidance force and stator current of linear motor. 本文简要地介绍了一辆永磁型高温超导磁浮模型车的结构,分析了不同冷却间隙时的悬浮力,导向力的试验曲线以及直线电机定子绕组电流波形。
- On the other hand, when the motor is operated in middle to high speed range, the stator current is continuous.The back emf can be computed.Finally, the rotor position can thus be obtained. 当电动机操作在中、高转速下,定子电流为连续时,可经由计算求出反电势,以获得电动机的转轴角度位置。
- An USB interface based portable monitoring system for insulator leakage current is developed in order to solve the limitation of existing ways of insulator leakage current monitoring. 针对现有绝缘子泄漏电流检测方法存在的局限性,开发了一种基于usb接口的便携式绝缘子泄漏电流检测系统。
- This paperpresents an automatic alum dosing control system in a water treatment process by using astreaming current monitor(SCM).The paper also describes a method to adjust PID parametersin detail. 本文介绍在水处理过程中,应用流动电流仪(SCM)控制混凝加矾量的自控系统,详述了该系统PID控制中的参数整定。
- Abstract: Two D-dot voltage monitors and a B-dot current monitor have been designed for laser-triggered switch of PTS prototype. 摘要: 为进行PTS装置单路样机激光触发开关的调试,设计安装了相应的电压电流探头。
- Currently monitoring device for stream turbine can’t meet the requirement, design of new intelligent real-time monitoring system is very impendency and important. 然而,我国现有的电力监控设备无法满足需求,研制新型智能化的汽轮机实时监控系统显得十分迫切而又极为重要。
- Sudden current monitors with radio communication function are installed on transmission line supports one by one to constitute a relay platform for radio communication. 它将带有无线通信功能的突发电流监测器逐个安装在输电线路的杆塔上,并构成一个无线通信接力平台。
- continuous current monitoring device 直流监视器
- An Analysis Monitoring System Base On the Stator Current of the Alternating Current Asynchronous Electromotor 基于交流异步电动机定子电流的分析监测系统
- Demand is outstripping current production. 现在需求逐渐超过了生产能力。