Knowledge

  • Vibration and noise of permanent magnet motor

    Vibration and noise of permanent magnet motor

    Study on Influence of Stator Electromagnetic Force The electromagnetic noise of the stator in the motor is mainly affected by two factors, the electromagnetic excitation force and the structural response and acoustic radiation caused by the corresponding excitation force. A review of the ...
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  • Remember the motor principle and several important formulas, and figure out the motor so easy!

    Remember the motor principle and several important formulas, and figure out the motor so easy!

    Motors, generally referred to as electric motors, also known as motors, are extremely common in modern industry and life, and are also the most important equipment for converting electrical energy into mechanical energy. Motors are installed in cars, high-speed trains, airplanes, wind turbines, r...
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  • Four core principles of motor selection

    Four core principles of motor selection

    Introduction: ​The reference standards for motor selection mainly include: motor type, voltage and speed; motor type and type; motor protection type selection; motor voltage and speed, etc. The reference standards for motor selection mainly include: motor type, voltage and speed; motor type an...
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  • How is the protection level of the motor divided?

    How is the protection level of the motor divided?

    How is the protection level of the motor divided? What is the meaning of rank? How to choose a model? Everyone must know a little bit, but they are not systematic enough. Today, I will sort out this knowledge for you for reference only.   IP protection class IP (INTERNA...
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  • Why are the fan blades of the cooling fan in odd number?

    Why are the fan blades of the cooling fan in odd number?

    Cooling fans are generally not used alone, but are used together with heat sinks. It is composed of motor, bearing, blade, shell (including fixing hole), power plug and wire.      This is mainly because to maintain the balance of the cooling fan operation and reduce the impact of resonance as...
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  • Compared with ordinary motors, what are the characteristics of electric vehicle motors?

    Compared with ordinary motors, what are the characteristics of electric vehicle motors?

    Introduction: ​Electric vehicles are the development trend of the automotive industry. We all know that the core of its principle is to replace the engine with an electric motor to achieve electric drive. But have you ever thought about whether the motor on an electric car is the same as a norma...
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  • Do bearings have an effect on motor efficiency? The data tells you, yes!

    Do bearings have an effect on motor efficiency? The data tells you, yes!

    Introduction: ​In the actual production and processing process, in addition to the structure and quality of the bearing itself, it is related to the cooperation of grease and bearing. After some motors are started, they will be very flexible after rotating for a period of time; Manufacturers, th...
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  • What are the methods of how to control the drying of the geared motor?

    What are the methods of how to control the drying of the geared motor?

    What are the methods of how to control the drying of the geared motor? How to control the prospect of geared motor On the basis of the ordinary DC motor, the DC geared motor and the matching gear reducer have greatly improved the utilization rate of the DC motor in the automation industry, so t...
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  • What are the categories of new energy vehicle batteries? Inventory of five types of new energy vehicle batteries

    What are the categories of new energy vehicle batteries? Inventory of five types of new energy vehicle batteries

    With the continuous development of new energy vehicles, more and more attention has been paid to power batteries. Battery, motor and electronic control system are the three key components of new energy vehicles, of which power battery is the most critical part, which can be said to be the “...
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  • Checklist of items that must be checked after the motor is installed

    Checklist of items that must be checked after the motor is installed

    The wiring of the motor is a very important work in the installation of the motor. Before wiring, you should understand the wiring circuit diagram of the design drawing. When wiring, you can connect according to the wiring diagram in the motor junction box. The wiring method varies. The wiring of...
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  • Top 15 popular applications for BLDC motors and their reference solutions!

    Top 15 popular applications for BLDC motors and their reference solutions!

    There are more and more application scenarios of BLDC motors , and they have been widely used in military, aviation, industrial, automotive, civil control systems, and household appliances. Electronic enthusiast Cheng Wenzhi summarized the current 15 popular applications of BLDC motors.   ...
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  • Characteristics and Case Analysis of Motor Phase Loss Fault

    Characteristics and Case Analysis of Motor Phase Loss Fault

    Any motor manufacturer may encounter disputes with customers due to so-called quality problems. Mr. S, a service staff of Ms.’s participating unit, also encountered such problems and was almost kidnapped. The motor cannot start after power-on! The customer asked the company to go to someone...
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