1、

This thesis provides many pictures of experiment to study the performance of the rotor variable frequency motor and established the foundation of the study the rotor variable frequency motor in other aspects.

文章提供大量试验图形来研究转子变频电机的性能,为转子变频电机在其他方面的研究奠定了基础。

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2、

Since the wave impedance of variable frequency motor being significantly greater than the wave impedance of the cable, making variable frequency motor suffer approximately the twice of pulse leading edge voltage, the coil insulation layer of variable frequency motor occurs partial discharge during operation.

由于变频电机的波阻抗明显大于电缆的波阻抗,使得变频电机受到约两倍的脉冲前沿电压,导致变频电机线圈绝缘层在运行过程中发生局部放电。

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3、

Research on the Model of Variable Frequency Motor

变频调速异步电机模型研究

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4、

In this system, the variable frequency motor is applied to meet the requirement of low speed to check the compositive error and high speed to measure the vibration.

针对检测综合误差和振动时对主轴转速的要求,采用变频电机来控制主轴转速,以满足系统对转速的要求。

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5、

Use the variable frequency motor instead of the original electromagnetic speed-adjustable motor. Redesign of the hydraulic system, add electro-hydraulic proportional valve and one-way throttle valve to ensure the accuracy of automatic control and experimental safety.

使用变频调速电机代替原有的电磁调速电机,对液压系统进行重新设计,添加电液比例阀以及单向节流阀,保证自动控制的精度以及实验安全。

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6、

By analyzing the operation performance under the initial air gap in finite element before and after the variable frequency motor was optimized and comparing with experimental results, it proves reliable to use the finite element method to analyze sinusoidal transient field.

通过有限元法分析原始气隙下变频电动机优化前后的工作性能,与实验结果进行了对比,证明了有限元法分析电机正弦时变场的可靠性。

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7、

Finite element analysis of the variable frequency motor in sinusoidal transient field

变频电动机正弦时变场的有限元分析

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9、

As the power equipment of high-speed EMUs, the life of variable frequency motor has an important impact to the stable operation of EMUs.

变频电机作为高速动车组的动力设备,其寿命对动车组稳定运行具有重要的意义。

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10、

Fault Diagnosis for Rotor of Variable Frequency Motor Based on Advanced MCSA

基于改进的MCSA法的变频电机转子故障诊断

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11、

A fault diagnosis method for variable frequency motor is presented, which is based on advanced MCSA and fuzzy inference.

提出一种基于改进的定子电流信号分析(MCSA)和模糊推理的变频电机转子故障诊断方法。

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12、

One of them is to increase the load rate of the electric motor, including the use of Y-△ starter, voltage regulating device, variable frequency motor, two-speed motor or energy-saving coupling.

其中,提高电动机负载率的途径有采用Y&△转换启动器、调压节电器、变频调速电动机、双速电动机和安全节能联轴器等。

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13、

The Research on Variable Frequency Motor Drive with PC for CNC

基于PC机的普通数控车床变频调速系统的研究

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14、

Self tuning control of the variable frequency motor system for hydraulic elevator

电机变频控制液压电梯系统的自校正自适应控制

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15、

Finally, rotor slot of variable frequency motor is optimum, stable-state performances and slot leakage inductance of respective rotor slot at different air gap length are calculated after motor is optimum.

最后对变频电动机的转子槽形进行了优化设计,计算了优化后电机在不同气隙下的稳态性能和转子各槽槽漏感。

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16、

Medium high voltage variable frequency motor drive technology has a bright future for the industry application.

中高压变频调速技术具有非常广泛的应用前景。

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17、

Automatic Belt Conveyor Tension Control by Variable Frequency Motor

交流变频调速装置控制皮带张力

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18、

This article is about auto-door full digit control system controlled by AC variable frequency motor.

本文介绍了一种交流变频电机控制的自动门全数字控制系统。

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19、

With enhancing the speed of EMUs, the power requirements of variable frequency motor are higher.

随着动车组速度的提升,对变频电机的功率要求更高。

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20、

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

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