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Relation between torque and voltage of three-phase asynchronous motor

Released Date: Jun 21,2021 Article Source: Shengzhou Senli Motor
We know that the reason why the three-phase asynchronous motor is called asynchronous is because the rotor speed and the stator magnetic field speed there is a slip rate. Today, Senli Motor Xiaobian will take you to understand the relationship between torque and voltage.

       We knowThree-phase asynchronous motorThe reason why it is called asynchronous is that there is a slip between the speed of the rotor and the speed of the stator's magnetic field. todayMori machineXiaobian take you to understand the relationship between torque and voltage.

       Three-phase AC asynchronous motorThe torque of the motor represents the parameters of the motor, when the torque output of the motor shaft and the no-load rotation rectangle into electromagnetic torque, electromagnetic torque is the product of the electromagnetic force and the moment arm. Compared with the output torque, the no-load torque is relatively small, and the electromagnetic torque is proportional to the square of the voltage and inversely proportional to the frequency of the power supply, if the no-load torque is ignored.

       It can be simply understood that the electromagnetic torque is positively correlated with the voltage and negatively correlated with the power supply frequency.

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       If the power supply voltage of the motor is insufficient, then one of its driving performance will be reduced. For a large probability of the motor, there will be a phenomenon that cannot be started normally, and accompanied by a "hum" sound.

       Senli Motor produces motors to meet customer needs.19Focus on motor research and development and production, yesThree-phase asynchronous motor manufacturers. We provide a customized service, starting from the requirements of the product use environment, budget and other conditions, to provide a multi-to-one service design, meet the products of different use scenarios, to provide customers with cost-effective motors, save costs.

       Mori machineCustomize the process: Understand the requirements-Provide parameters and drawings-Design scheme-Confirmation scheme-Confirm cooperation-Mass production-Deliver the goods-After-sales service; Can provideOEM/ODMCustomization, specification customization, appearance customization, special shaft customization and color customization.

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