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Home / News Center (Page 3)
  • What are the factors that affect the high efficiency of three-phase asynchronous motors?

    What are the factors that affect the high efficiency of three-phase asynchronous motors?

    10 Oct 2020

    A key factor affecting the high efficiency of three-phase asynchronous motors. 1. Large copper loss of motor stator Large stator winding resistance: (1) The wire resistivity is large or the wire diameter is small, the wire diameter is uneven or the n...

  • The damage of corona and vibration to the coil insulation of high voltage variable frequency motor

    The damage of corona and vibration to the coil insulation of high voltage variable frequency motor

    25 Sep 2020

    The high voltage variable frequency motor will be mechanically worn due to electromagnetic vibration, corona corrosion and heat generation due to electromagnetic vibration, high temperature and high voltage for a long time, which will cause the overa...

  • Torque type of three-phase asynchronous motor and its operating conditions

    Torque type of three-phase asynchronous motor and its operating conditions

    21 Sep 2020

    Motor torque is the basic load form of various working machinery drive shafts, and is closely related to factors such as power machinery's working capacity, energy consumption, efficiency, operating life, and safety performance. Shandong Shenghua var...

  • What impact will the unbalanced power supply voltage have on the operation of the motor?

    What impact will the unbalanced power supply voltage have on the operation of the motor?

    14 Sep 2020

    A common influence of voltage unevenness on the operation of a motor. 1. Effect on motor current The negative sequence component of the unbalanced voltage generates a magnetic field in the air gap of the motor that is opposite to the rotation of the ...

  • Why is it so important to measure a variable frequency motor and its variable frequency system?

    Why is it so important to measure a variable frequency motor and its variable frequency system?

    07 Sep 2020

    Reasons for measuring variable-frequency speed-regulating motors and their variable-frequency systems Mainly because of the large number of motor systems in the daily production of the factory, and its safe operation is essential to the normal produc...

  • What are the common faults of variable frequency motors?

    What are the common faults of variable frequency motors?

    31 Aug 2020

    Common faults in the use of variable frequency motors. With the development of the motor industry, the application of variable-frequency speed-regulating motors has gradually become popular, especially in the fan industry, water pump industry and oth...

  • What are the working principles and applicable working conditions of electromagnetic speed-regulating motors?

    What are the working principles and applicable working conditions of electromagnetic speed-regulating motors?

    24 Aug 2020

    Working principle and applicable working conditions of electromagnetic speed regulating motor The electromagnetic speed-regulating motor consists of a single-speed or multi-speed squirrel-cage asynchronous motor and an electromagnetic slip clutch. It...

  • What are the reasons for the vibration of the frequency conversion speed control motor?

    What are the reasons for the vibration of the frequency conversion speed control motor?

    17 Aug 2020

    Causes of vibration of variable frequency speed motor There are many factors that cause the vibration of variable frequency motors, such as rotor balance problems, bearing lubrication problems, electromagnetic scheme problems, electrical failure prob...

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  • Is there a problem with the heating of the DC motor?

    It is normal for DC motors to generate heat during use, […]

  • The principle of choosing DC motor

    DC motors have different specifications and types in di […]

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