A large of AC motor-driven fan and pump used in mining company.
在工矿企业中大量地使用以交流电动机驱动为主的风机、水泵等设备。
The variable frequency AC controller mounts directly on the AC motor.
变频空调控制器直接安装在交流电机。
The main spindle is driven by a variable frequency controlled AC motor.
主轴是由变频控制交流电机驱动。
Adopting digital control silicon deflector device when AC motor driving.
直流电机驱动采用全数字可控硅变流装置控制。
The principle of pure digital PWM of the three-phase AC motor is analyzed.
分析了三相交流电机全数字脉宽调制的原理。
The loss summation method is used for calculating output power of AC motor.
在测量传输功率较大的变频电动机的功率时，采用了损耗总和法进行计算。
The AC motor drive has been one of the important areas in automation research.
交流调速控制一直是自动化领域中一个重要研究方向。
AC motor drive which is used in the mine fan is serious in consumption and waste.
矿山风机中使用的交流电机驱动，其消耗与浪费非常严重。
PWM inverter AC motor bring the harmonic current, It pollute electric power systems.
PWM逆变器驱动电机时，对电源端产生谐波电流，给电力电网造成污染。
DSP-based variable frequency AC motor speed control system, he is more use of the procedure.
基于DSP的交流电动机变频调速控制系统，他是比较使用的程序。
The stator end-winding support of HV AC motor exists weakness leading to electric break-down.
高压交流电机定子绕组端部固定存在薄弱环节，会引起绕组端部电击穿。
The basic thought is that AC motor may be analyzed as DC motor, a design example is given also.
它的基本思想是交流电动机的分析直流化，同时给出了设计举例。
In this paper a new control strategy suited for AC servo system of permanent magnet AC motor is introduced.
本文介绍了一种适用于正弦波永磁同步伺服系统的控制策略。
Rotor field orientation control is the base of high-performance control strategy of AC motor vector control.
转子磁场定向控制是实现高性能交流调速方法——矢量控制的基础。
With many advantages of DC motor and AC motor, Modern transducer-fed synchronous motor has widely market prospect.
现代变频同步电动机集直流电动机和交流电动机优点于一身，具有广阔市场前途。
The modern transducer-fed synchronous motor have many advantages of DC motor and AC motor, have wide market prospect.
现代变频同步电动机集直流电动机和交流电动机优点于一身，具有广阔市场前途。
It adopts SCR with large power to establish the voltage adjustment circuit, so the AC motor can be started with low voltage.
它采用大功率的SCR组成电压调节电路，这样交流电动机就可以低压起动。
To ensure the system robustness, a multi-variable decoupling controller was designed based on the vector transform model of AC motor.
为保证闭环控制系统的鲁棒性，设计了基于交流电机的矢量变换模型的多变量解耦控制器。
It has proven by practice that the two solutions both can implement Variable Frequency Control of ac Motor well, and have good applied cost.
实践证明，两种解决方案均能很好地实现交流电机的变频控制，具有良好的应用价值。
It is introduced the second part in the intelligent control for speed control of AC motor, the artificial neural network control technology.
介绍在交流电机调速中应用智能控制的第二部分——人工神经网络控制技术。
Based on mechanical and electrical analytical dynamics, we established equations about vibration coupled with mechanics and electrics in AC motor set.
应用机电分析动力学的理论建立了交流电机组的机电耦联振动方程组。
This paper presents a kind of direct torque control with a stator resistance estimator for an AC motor speed-governing system based on fuzzy logic control.
介绍一种基于模糊控制理论的定子电阻辨识器的直接转矩控制交流电机调速系统。
The design method about machine drive component and high - power ac motor is discussed. A engineering application case of 1000kn CNC brake - press is given.
提出了机械传动部件和大功率交流伺服电机的设计方法，并实际应用于1000kN数控折弯机中。
It is a feasible method to use intelligent control theory, and in this paper, the primary work is introduce intelligent control method to the Ac motor timing.
采用智能控制方法是一个切实可行的思路，本文的主要工作就是把智能控制方法引入到交流电机调速中来。
The designed installation is mainly used in synthetic protection of small AC motor. It has the functions of phase failure protection and overload short protection.
本设计装置主要用于中小型交流电动机的综合保护，它具有断相、过载短路保护功能。
DC motor has good mechanical character and is apt to accomplish varied control rules, and some theories about its controlling are still the basis of ac motor control.
直流电机具有良好的机械特性，易于实现各种控制规律，同时直流传动控制系统的一些理论仍然是交流传动的基础。
It is introduced the basic concept, mathematical expression and design problems of the variable structure system and the application of AC motor speed adjustment system.
介绍变结构系统的基本概念、数学表达设计问题及其在交流电机调速系统中的应用。
Based on the work principle of AC motor, the article analyzes the cause and phenomenon of alternating-current motor and puts forward the method of removing shaft current.
根据交流电动机的工作原理，分析讨论其轴电流产生的原因和表象，提出了防止轴电流产生的方法。
In this paper, the applications of cascade STS-SVM multilevel converters on active power filter and ac motor vector-controlled transducer are researched through simulation.
本文通过仿真研究了级联型STS - SVM多电平变流器在电力有源滤波器和交流电机矢量控制变频调速系统中的应用问题。
Its software is designed to calculate the running parameters of the AC drive system, including transformer, quadrant rectifier, DC circuit, inverter, AC motor and train load.
系统采用软件方式实时计算交流传动系统的运行参数，包括变压器、四象限整流器、直流中间回路、逆变器、电机及负载。
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