The "pole number" we usually say refers to the number of magnetic poles of the motor stator field, and the different connections of the stator windings can form different poles of the stator field. The number of poles selected for the three-phase asynchronous motor is determined by the speed required by the load, and the number of poles directly affects the speed of the motor.
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Motor maintenance, end cover disassembly is very important, three-phase asynchronous motor manufacturers according to years of experience, summed up a set of convenient and fast way, now simply explain to you, about the three-phase asynchronous motor end cover of the correct disassembly.
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The stator and rotor in the motor are not in contact, but why does the rotor rotate when the stator winding of the AC induction motor is fed with AC? Its working principle applies to two major electromagnetic laws: Faraday's Law and Lenz's Law. Today, we will understand the working principle of three-phase asynchronous motors with Senli Motor Xiaobian.
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Senli Motor, is a research and development, production, sales and after-sales service as one of the units, the production of YEJ series electromagnetic brake motor can run continuously at rated power under the following conditions:
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When the three-phase asynchronous motor is running on the mechanical equipment, its speed is lower than the rotating magnetic field speed, the rotor winding because of the relative motion between the magnetic field and induced electromotive force and current, and interact with the magnetic field to produce electromagnetic torque, to achieve energy conversion. Here is a simple understanding with Senli Motor Xiaobian, about the speed change method of three-phase asynchronous motors.
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Single-phase asynchronous motor with load normal operation of uniform speed, moderate sound, appropriate heating. However, it is necessary to often pay attention to the temperature rise of the motor, if serious fever and other adverse symptoms are found, it is necessary to shut down the operation. Below, we will understand the maintenance work of single-phase asynchronous motors when they are used together with Senli Motor Xiaobian.
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Generally speaking, the single-phase asynchronous motor can be started in 3 to 5 seconds, if more than this time the motor can not turn up or reach the rated speed of 70 to 80%, should be quickly cut off the power, check the cause of the fault, must not be delayed, otherwise easy to burn the winding. The following and Senli motor Xiaobian together to understand the content of the single-phase asynchronous motor should be checked when starting.
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Daily check whether the transmission device is flexible and reliable; Whether the concentricity of the shaft coupling is standard; The flexibility of gear transmission, etc. If it is found that there is a stuck card, it should be stopped immediately to find out the cause and remove the fault before running. If the brake motor is overloaded, the main reason is that the drag load is too large, the voltage is too low, or the driven mechanical lag is caused.
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The energy consumption braking control of three-phase asynchronous motor is a common control method. The following is a simple explanation of the working principle of energy consumption braking, and the control process, as well as the mechanical characteristics of energy consumption braking.
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Is it normal to start if the motor can rotate after being energized? After the three-phase asynchronous motor is connected to the power supply, the normal speed is reached, and the speed is close to the rated speed before it is considered normal starting. So what should the motor pay attention to when starting, today, we will understand it together with Senli Motor Xiaobian.
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Long axis torque motor products, suitable for winding and winding scenarios, can be customized for different industry scenarios, to meet the requirements of use. This product produced by Senli has the characteristics of reasonable structure, high efficiency, good characteristics and long service life.
Shengzhou Senli Motor19Old motor manufacturers, with a number of their own motor production lines, from the shell, shaft, rotor, stator are independent production, all products are the use of professional product quality supervision and testing equipment full inspection factory, can provide testing reports. From the shaft machining to the whole machine assembly are completed independently. Truly realize factory direct sales.
Senli motor products are used180°High temperature resistance all copper coil material, torque motor products can be used with different rotors (ordinary rotors/Steel rotor), rotor of different motor characteristics are different, we from the shell, shaft, rotor, stator are produced by the independent, all products are the use of professional product quality supervision and testing equipment full inspection factory, can provide testing reports.
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