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2018年新品电容450V 350V 250V厂家牛脚400V680UF

  • 型号/规格:

    UF

  • 品牌/商标:

    YDK

  • 环保类别:

    无铅环保型

  • 安装方式:

    直插式

  • 包装方式:

    单件包装

  • 产品主要用途:

    工业电力电气设备

  • 引出线类型:

    无引出线

  • 特征:

    圆柱体型

  • 标称容量范围:

    680

  • 额定电压范围:

    400

  • 温度系数范围:

    105

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  • 企业名:深圳市雅达康电子科技必威注册

    类型:生产制造商

    电话: 0755-36925936

    手机:15013543286

    联系人:于文果

    QQ: QQ:1215442003

    邮箱:31633662@qq.com

    地址:广东深圳龙华新区龙华办事处

商品信息

The voltage is reduced proportionally when the frequency drops. Because the AC impedance is smaller and the DC resistance is invariant the ground torque will be reduced at low speed. Therefore, given a v / f at low frequency, the output voltage should be increased to obtain a certain starting torque, which is usually not possible when the compensation is increased. When the voltage above 60hz (also having mode above 50hz) is constant, which is the constant power characteristic, when the torque is the same at high speed, what does open loop mean? The speed detector (pg), for the motor device used is called "closed loop" when the actual speed is fed back to the control device, and the one without pg operation is called "open loop". General frequency converter for open-loop mode, but also some machines can use the selection of pg feedback. The speed sensorless closed-loop control method is based on the established mathematical model to calculate the actual speed of the motor according to the flux, which is equivalent to a virtual speed sensor to form the closed-loop control. What happens when the actual speed deviates from a given speed?


联系方式

企业名:深圳市雅达康电子科技必威注册

类型:生产制造商

电话: 0755-36925936

手机:15013543286

联系人:于文果

QQ: QQ:1215442003

邮箱:31633662@qq.com

地址:广东深圳龙华新区龙华办事处

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