• 整流二极管不可直接并联使用因为二极管电阻差异使可靠性降低,最好用电流二极管。

    Rectifier diodes cannot be used directly in parallel, because the diode heat resistance have differences, will reduce the reliability, it is better to a set of current of diode.

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  • 电阻焊接电阻焊机用整流设备规范试验

    Electric resistance welding. rectifier equipment for resistance welding machines. specifications and tests.

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  • 高效发电机一种发电机系统包括三相ac电机应用导通电阻MOSFET开关有源整流电桥用于来自电机的AC电流转换DC电流。

    A generator system that includes a three-phase ac machine and an active rectifier bridge employing low on-resistance MOSFET switches for converting the ac current from the machine to a DC current.

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  • 焊接过程动态参数图形的实时显示三相次级整流电阻质量在线评估的一种有效方法

    Graphic display of DC spot welding dynamic process is an effective way for online welding quality control.

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  • 实践表明电阻直流电源整流保护元件优于二极管

    Practice shows that pressure sensitive resistance as a protective element of rectifier for D. C. supply is preferable to diode.

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  • 计算结果表明三相次级整流电阻焊焊接电流基本上连续,负载感抗变化影响很小

    The calculating result shows that the welding current of 3-phase DC resistance weld is continuous, and the changing of induction reactance has little influence on it.

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  • 本文根据功率平衡原则将十二相发电机整流供电系统直流侧线路电阻折算相应交流侧各相绕组

    Based on the principle of power balance, the DC-side line resister of a 12-phase synchronous generators-rectifier system is reduced to the corresponding AC-side.

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  • 本文根据功率平衡原则将十二相发电机整流供电系统直流侧线路电阻折算相应交流侧各相绕组

    Based on the principle of power balance, the DC-side line resister of a 12-phase synchronous generators-rectifier system is reduced to the corresponding AC-side.

    youdao

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