• In this paper, the main research content is CNC efficiency of Variable Velocity Variable frequency Crumb cake hydraulic machine.

    本文主要研究内容变频调速液压数控效率问题。

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  • In this issue, a device of variable velocity variable frequency on medium-high voltage three-level is developed to reduce energy consumption and improve the cost-effective for the previous problems.

    针对这些问题,本课题研究开发一种高压电平变频调速装置降低电机的能耗提高系统性价比

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  • The paper presents a SPWM frequency variable and velocity variable system with SCR as main switching devices. The proposed scheme has been verified through experiment.

    介绍一种SCR作主开关器件SPWM控制方式的变频调速系统通过实验提出方案进行验证。

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  • This paper introduces a frequency variable and velocity variable system using IPM. Some problems which should be noticed in applications are presented.

    介绍一种应用智能功率模块的变频调速系统提出使用智能功率模块时注意的关问题

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  • This paper introduces a frequency variable and velocity variable system using IPM. Some problems which should be noticed in applications are presented.

    介绍一种应用智能功率模块的变频调速系统提出使用智能功率模块时注意的关问题

    youdao

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