将交流电机的多回路理论与电磁场的有限元方法结合起来建立了多相永磁同步电动机的多回路—有限元数学模型。
A novel multi phase permanent magnet motor's mathematical model that combines multi loop theory of AC motor and finite element method of electromagnetic field is proposed in the paper.
在矢量控制交流感应电动机数学模型的基础上，采用阶跃电压和阶跃电流的方法实现了对交流电机电气参数的静态检测。
On the basis of mathematical model of AC induction motor in vector control inverter the static measurement of electrical parameters for AC motor is completed using pulse voltage and pulse current.
基于DSP的电动汽车用交流电机的直接转矩控制是电机高性能交流变频调速的新技术之一。
Direct Torque Control (DTC) of induction motor based on DSP is new technology of high performance AC — frequency conversion — rate of regulation.
交流变频调速系统是利用异步交流电动机的同步转速随频率变化的特性，通过改变电机的供电频率而进行调速。
Because the AC asynchronous motor 'synchronous speed is determined by the frequency, we can control the AC asynchronous motor' speed by changing the supply power's frequency.
拉丝机拖动电机多采用控制方式简单的交流电动机。
The motors for pulling drawing machine are more the alternating motors which can be controlled easily.
本文在课题组多年来对交流电机pch控制研究的基础上，引入了无速度传感器控制，实现对电动机转速信号的估计。
In this paper, on based research of PCH control of AC motors by research group, speed sensorless control is introduced, then speed estimation of AC motor is realized.
作为参考的交流电机电动势与另一台交流电机或无限大母线电动势之间的相角差。
Phase difference between the e. m. f. of an alternator taken as a reference and that of another alternator or that of an infinite bus.
本文在交流电机双轴理论的基础上，以异步电动机转子磁通和定子电流为状态的状态方程为模型，推导出一种新型异步电动机磁通观测器。
Based on the two-axis theory of the induction motor and a state equation about the rotor fluxes and stator currents, a new induction motor flux observer is derived.
依据交流电机的控制策略，提出了适用于电动汽车交流电动机控制的变频变压调速和矢量控制两种控制的实现方法。
According to the control strategy of ac motors, the two control means put forward to be applicable to electric vehicle about VVVF and space vector.
本课程主要介绍直流电动机、交流电动机、控制电机和变压器的基本结构、工作原理；
The structure and operation principle of DC motor, AC motor, control motor and transformer are introduced in this course.
该车载充电机具有较高功率因数，能够与普通的单相交流电源插座直接连接，为电动轿车的蓄电池组提供小功率慢速充电。
This charger has the trait of high power factor, can be connected to ordinary single-phase AC sockets directly, and offers low-power and low speed charging for storage batteries.
本发明属于交流电机设计制造领域，特别涉及一种消除定子铁心扣片外鼠笼效应的交流电动机结构。
The invention relates to a field of an ac motor design and manufacture, in particular to an ac motor structure capable of eliminating stator core buckle slab external squirrel cage effect.
本标准适用于交流发电机、同步调相机和交流电动机定子线圈及绕组绝缘交、直流耐电压试验。
The standard is applicable to stator coil and winding insulation alternative and direct current voltage withstanding test for AC generator, synchronous phase modifier and AC motor.
本标准适用于交流发电机、同步调相机和交流电动机定子线圈及绕组绝缘交、直流耐电压试验。
The standard is applicable to stator coil and winding insulation alternative and direct current voltage withstanding test for AC generator, synchronous phase modifier and AC motor.
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