针对基于直接转矩控制的感应电动机在低速运转时存在较大的转矩脉动问题，该文提出一种新的控制方法。
Due to the large torque ripple of inductance motor based on direct torque control, especially at a low speed, this paper proposes a new control strategy.
针对基于直接转矩控制的感应电动机在低速运转时存在较大的转矩脉动问题，提出一种新的控制方法。
Due to the large torque ripple of inductance motor based on direct torque control, especially in a low speed, this paper proposes a new control strategy.
针对基于直接转矩控制中的感应电动机在低速运转时存在较大的转矩脉动问题，提出了一种新的控制方法。
For the large torque ripple of inductance motor based on direct torque control, especially at a low speed, this paper proposes a new control strategy.
在低速范围内，对无传感器感应电动机进行矢量控制时用定子电压和电流推算转子磁通是比较困难的。
The sensorless of induction motor field-oriented control employing stator voltages and currents has difficulty in estimating rotor flux in the low-speed range.
认为以满足螺旋桨额定推力为目的，推进电动机只需要低速输出额定转矩来实现，即输出功率较低。
In order to satisfy the operation requirement of the rated thrust of the propeller, the propulsion motor performs only in rated torque on the low speed, so the motor power is low.
脉振磁场永磁低速同步电动机是一种新结构原理的电机。
The pulsating magnetic field PM low speed synchronous motor is a type of PMSM with novel structure and principle.
研制成功的单相反应电磁减速低速同步电动机解决了电机的起动问题，满足了使用的要求。
The start problems of the motor, successfully developed, were solved, so that meet the requirement of customers.
典型地，混合动力汽车使用家用电器电机低速巡航而petrol-powered电动机用于长，更快的旅程。
Typically, the hybrid car uses the electric motor for low-speed cruising while the petrol-powered motor is used for longer, faster journeys.
在直接转矩控制系统中，异步电动机定子电阻为一变化值，从而影响了控制系统的低速性能。
The stator resistance of asynchronism electromotor in direct torque control system, is a variable value which influence the low speed performance of the system.
本文提出核反应堆控制棒用电励磁式低速同步电动机来带动。
This article put forward the electro-exciting low speed synchronous motor applied to control rods of the nuclear reactor.
阐述了低速大力矩直接驱动电动机的技术优势。
Firstly, the advantages of low speed high torque motor were introduced.
本文首次提出了一种新型结构原理的低速大力矩电动机-半导体换流低速磁阻电动机(SCLRM)。
This dissertation presents a type of low speed and high torque motor-semiconductor converting low speed reluctance motor (SCLRM) with novel structure and principle for the first time.
脉振磁场永磁低速同步电动机是一种新结构原理的永磁同步电动机。
So the saturated steady operation mathematical model of pulsating magnetic field PM low speed synchronous motor is constructed under phase coordinate system.
并针对低速大转矩永磁同步电动机的特点采用基于ANSYS软件的分析方法，计算了不同转子位置时电机的输出转矩。
According to the feature of low-speed and high-torque permanent magnetic synchronous machine, the output torques are also calculated in different positions based on the ANSYS software.
试验表明，用五相混合式步进电动机二相低速同步电动机运行，其运行性能优良。
The test results indicate that the operating performance of the five-phase hybrid stepping motor when it operates as a two-phase low speed synchronous motor is good.
本系列产品使用32针微处理器和绝缘栅双极型晶体管，具有电动机运行不发出噪声、高效、低速等性能特点。
Using a 32-bit microprocessor and insulated gate bipolar transistors, the M-Max series provides quiet motor operation, high efficiency and smooth, low-speed performance.
针对异步电动机直接转矩控制系统低速性能差的问题，提出了两项改进措施。
Direct Torque control (DTC) is a AC speed regulation method with high dynamic performance developed after vector control.
本文结合低速大转矩的传动特点，对低速大转矩永磁同步电动机的设计特点和方法进行研究。
The paper discusses the characteristic and design method of low speed and high torque PMSM considering driving requirement of the oil extraction system.
对零低速区域速度的有效辨识是异步电动机无速度传感器控制的一个重要课题。
Effective speed identification in low speed and standstill area is an important item for speed sensorless control of asynchronous motor.
对零低速区域速度的有效辨识是异步电动机无速度传感器控制的一个重要课题。
Effective speed identification in low speed and standstill area is an important item for speed sensorless control of asynchronous motor.
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