推导双电动机同步振动激励力的数学表达式；
本文正是从实际应用的角度出发，来研究凸极同步电动机在起动过程中的电磁场和电机转子温升变化规律。
From the aspect of practical application, this paper studies electromagnetic fields and rotor temperature rise change of salient synchronous motor in the process of starting.
同步迟滞电动机由一个多相缠绕的定子和一个硬磁转子所组成。
The synchronous hysteresis motor consists of a polyphase-wound stator and a magnetically hard rotor .
对无轴承永磁同步电动机提出非线性l 2鲁棒控制。
Nonlinear L2 robust control for bearing less permanent magnet synchronous motors (BPMSM) was presented.
设计的反推控制可以实现永磁同步电动机速度跟踪控制，保证系统具有良好的速度跟踪性能。
The newly designed backstepping control is implemented for permanent magnet synchronous motor (PMSM) to track speed commands, at the same time the design can provide better speed tracking performance.
机组变频起动过程，实际上是电动机依靠定子和转子的电磁力矩作用的同步驱动过程。
The frequency changing start up process of generating unit actually is a synchronous driving process under the action of electromagnetic moment of the stator and rotor of motor.
所连接的直流电动机可以这样调整使得其转速高于同步转速且旋转方向与定子旋转磁场的方向一致。
The coupled dc motor can be adjusted so that the speed of the system is higher than the synchronous speed and the system rotates in the same direction as the stator rotating field.
永磁同步电动机系统具有力矩系数大、力矩波动小以及控制灵活等优点，在许多精密伺服控制系统中得到广泛应用。
Due to the large torque coefficient, small torque ripple and ease of control, permanent magnet synchronous motor (PMSM) system has been widely used in many accurate servo control systems.
电气同步是在交流传动中，常用带有均衡电动机的电轴系统来实现电气同步。
Electrical synchronization is used in ac drive, often with a balanced motor shaft system to achieve electrical synchronization.
本文着重论述了在周期性负载下，稀土永磁同步电动机效率与参数之间的相关性。
This paper mainly deals with the relation between energy efficiency and parameters of rare earth permanent magnet synchronous motor (REPMSM)operating under periodical load.
稀土永磁同步电动机具有效率高、功率因数高的特点，是一种高效节能产品。
High efficiency and high power factor are characteristic of rare earth and permanent magnetism and synchronous motor. lt is a energy saving product.
摘要与传统感应电动机相比，永磁同步电动机具有独特的性能。
Compared with the traditional induction motor the performance of the permanent magnet synchronous motor is special.
提出的新型可植入式人工心脏是由轴向磁场结构的永磁同步电动机直接驱动。
This paper presents a novel artificial heart, which is directly driven by a compact permanent magnet synchronous motor (PMSM) with axial-field configuration.
本文介绍电压逆变器的原理，分析带上磁滞同步电动机这一负载后逆变器输出电压电流波形畸变的原因。
It introduces the principle of voltage inverter, analyzed the reason of distortion of output voltage and current wave form, as it is loaded with hysteresis synchronous motor.
励磁系统是同步电动机运行系统的重要组成部分，直接影响电机的运行特性。
Excitation system is an important part of synchronous motor running system, it affects the operating characteristics of motor directly.
同步电动机不但功率因数高，而且其转速与负载大小无关，只决定于电网频率。
Not only high power factor synchronous motor, and its speed is independent of the load, depends only on grid frequency.
本课题结合国家863计划项目防爆稀土永磁同步电动机而开发。
This topic develops for country 863 plans projects "explosion-proof rare earth permanent magnetism synchronous motor".
简要介绍了钕铁硼单相同步电动机的基本结构、运行原理、性能特点、应用前景及社会、经济效益分析。
This paper introduces the basic structure, operation principle, main performances, economical problem and USES of Nd-Fe-B single - phase synchronous motor in the future.
该公式的建立为轴向磁场永磁同步电动机的性能分析及预测创造了条件。
The foundation of those equations create conditions for the performance analysis and prediction of axial-field permanent magnet synchronous motor.
脉动转矩的准确计算是爪极永磁同步电动机优化设计的基本前提之一。
The accurate calculation of cogging torque assists in optimizing the design of claw pole permanent magnet synchronous motors.
将模糊控制引入精密磨床的高速永磁同步电动机驱动系统速度控制中。
This paper present a fuzzy control strategy of high speed permanent magnet synchronous motor for precision grinder.
本文阐述了永磁同步电动机磁场定向矢量控制系统。
This paper presents a field-oriented vector control system for permanent magnet synchronous motor.
永磁同步电动机从异步启动到牵入同步过程是一个非常复杂的机电瞬变过程。
Permanent magnet synchronous motor running from asynchronous start-up to pull-in synchronization is a very complex electromechanical transient process.
介绍了一种永磁同步电动机转子位置估算的改进方法。
This paper presents an improved scheme of rotor position estimation for PMSM.
转速是以电动机的同步转速为基准除以减速比而算出的数值。
The speed is based on the synchronous motor speed reduction ratio as a benchmark calculated by dividing the value of.
通过改变转子的位置计算永磁同步电动机的静态转矩和电抗，给出了转矩和电抗随转子位置变化规律的曲线。
The torque and reactance is calculated by changing the position of rotor and the changing curves of torque and reactance is also provided.
永磁同步电动机系统是一类仿射非线性系统。
Permanent magnet synchronous machine system is a nonlinear affine system.
但同步电动机存在起动困难的缺点，使它的应用在很大程度上受到了限制。
There are many shortcomings in difficult starting in the synchro motor. Its application is limited to a great extent.
本文将在周期性负载下稀土永磁同步电动机持续稳态的动态特性的状态变量法与相关技术这两种现代分析方法有机地结合在一起。
The state variables analysing method and interrelation analysing method are combined effectively in calculating the sustained steady state dynamic performance of REPMSM under periodical load.
本文将在周期性负载下稀土永磁同步电动机持续稳态的动态特性的状态变量法与相关技术这两种现代分析方法有机地结合在一起。
The state variables analysing method and interrelation analysing method are combined effectively in calculating the sustained steady state dynamic performance of REPMSM under periodical load.
应用推荐