Magneto breaker arm point electromagnetic adjustable speed asynchronous motor 磁电机断电器臂接触点电磁调速异步电动机
Analyses of Mechanical characteristic of Disc Type Asynchronous Steplessly Adjustable Speed Motor 电动-机械式可调螺距螺旋桨盘式异步无级调速电机机械特性分析
Experimental Investigation in Double Closed-loop Variable Frequency and Adjustable Speed System of Slip Frequency Controlled Asynchronous motor 转差频率控制的异步电动机双闭环变频调速系统的实验研究
The alternating current excitation motor ( ACEM) is a kind of novel adjustable speed motor by changing frequency. 交流励磁电动机是一种新颖的变频调速电动机。
Rotor Slot Design of Variable Frequency and Adjustable Speed Induction Motor for Reducing Harmonics Copper Loss 降低谐波铜耗的变频调速异步电机转子槽设计
A design of adjustable speed drive system of induction motor ( IM) based on the internal model control ( IMC) principle is proposed in this paper. 文章介绍了基于内模控制原理的感应电机调速系统设计方法。
Bias set circuit electromagnetic adjustable speed asynchronous motor 偏压调节电路偏流调节电路偏磁调节电路电磁调速异步电动机
When nonlinear loads, such as adjustable speed motor drives, affect a sinusoidal power source, the voltage waveform is distorted and becomes nonsinusoidal. 当加上非线性负载如调速电动机驱动器时,会影响正弦电源。电压波形畸变变成非正弦波。
Research on Controlling Strategy of High Performance Matrix Converter Fed Induction Motor Adjustable Speed System Analysis of Three-Phase Induction Motor to Frequency Conversion of Motor Control 矩阵变换器&异步电动机高性能调速系统控制策略研究对控制频率调速的三相鼠笼式异步电动机的分析
IMPROVEMENT OF NEW TYPE ELECTROMAGNETIC ADJUSTABLE SPEED MOTOR The Study of Speed-adjustable AC Drive for the Overhead Locomotives 用于电极提升的新型电磁调速电机的改进架线式机车变频调速系统研究
Power transmission of the double fed electricity frequency conversion control AC adjustable speed motor 双馈电变频控制交流调速电机的功率传递
According to the demands of design, a programme of the closed loop computer servo control system is determined with the electromagnetic adjustable speed motor and gear pump as the controlling objects and with the rate of spraying as the controlling parameters. 根据设计要求,确定了闭环微机随动调节系统控制方案。以电磁调速电机和齿轮油泵为受控对象,把喷油率作为控制参数,以保持其恒值为控制目的。
Based on the steady-state theory of SCR Cascade adjustable speed iuduction motor drive system [ Ref, 1], this paper analyses and studies in detail the dynamic performance of the system, A practicable control structure is proposed according to the characteristics of cascade adjustable speed system. 本文是在感应机可控硅串级调速静态理论[文献1]基础上,着重对系统的动态特性作较为详细的分析与研究。
Adoption of AC Vari-frequency Adjustable Speed Motor on the Tieling-Dalian Oil Pipeline 交流变频调速电机在铁大输油管道上的应用
Based on the basic theory of variable frequency adjustable speed for induction motor, this paper presents a new design scheme "stator voltage and output double feedback". 本文根据交流电机变频调速的基本理论,提出了一种定子电压和输出功率双反馈设计方案。
On the basis of the operating characteristics of specific pole changing adjustable speed induction motor for tower crane, the relevant problems about energy saving design are discussed, and design measure of improving energy saving effect is presented. 根据塔机专用变极调速感应电动机的运行特点,对其节能设计的有关问题进行探讨,并提出了提高节能设计的设计措施。
Analysing for Converter Control System in Adjustable Speed of AC Motor with High Quality 调速系统中具有高性能指标的整流电路控制系统分析
△ u_i-n_i control algorithm and its application to regulating speed on adjustable-speed motor △ui&Ni控制算法及其在滑差电机调速控制上的应用
A prototype is made and the experiment results verify the feasibility of wide range of adjustable speed for single-phase motor using voltage-vector PWM frequency control. 样机的试验结果证明了用电压矢量式PWM变频控制方法实现单相电机宽范围调速的可行性。
This paper presents an analyzing method of predicating the performances of variable pole adjustable speed induction motor. It provides theoretical basis for suitable design of variable pole adjustable speed motor. 本文提出了一种预测变极调速异步电机性能的分析方法,为合理设计变极调速电机提供了理论依据。
Direct torque control ( short for DTC), is a high-efficiency control technology in the variable frequency adjustable speed field of ac motor drives. 直接转矩控制(Directtorquecontrol,简称DTC)是一种高效的交流调速技术,具有优良的调速性能和快速性,但是存在着转矩脉动比较大的问题;
The operating frequency of variable frequency adjustable speed motor is variable, and the traditional electromagnetic calculation of induction motor is done at rated frequency, so the traditional calculation program is not suitable for the calculation of motor under the conditions of low frequency and high frequency. 由于变频调速电机的运行频率是可变的,而传统的感应电机的电磁计算程序都是在电机额定频率下进行计算的,并不完全适用低频和高频时的情况。
Research and realization on the adjustable speed soft starter of the asynchronous motor 异步电动机变频软起动器的研究与实现
The Application of Adjustable-Speed Pumped-Storage Generator-Motor 可变速抽水蓄能机组的应用
Research of Double Internal Model Control for Cycloconverter-fed Adjustable Speed Drive System of Induction Motor 感应电动机交-交变频调速系统的双内模控制研究
We can use the electromagnetic adjustable speed motor to adjust the speed. 4. At the end of the feed body base blade is equipped with piezoelectric dynamometer. 速度的调节用电磁调速电机来实现。4.在进料机构底刀的下方安装有压电测力仪。
According to the requirement of the drive system, three hardware projects of synchronization control system have been designed, and the project made up of PLC, varying frequency adjustable speed controller and AC asynchronous motor has been adopted for its low device cost. 根据烘房传动系统的要求,设计了三种同步运行控制系统硬件方案,并选择了以PLC作为算法控制器,采用变频器驱动交流异步电机的低硬件成本方案。
Compare the efficiency of prototype system with that of variable frequency adjustable speed system with asynchronous motor, and the efficiency of motor ontology in each system is contrasted. 对比了样机系统和异步电动机变频调速系统的效率,以及各系统内电机本体效率的对比。