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Necessity and usage principles of variable frequency motor fan selection
The fan is a ventilation and heat dissipation device matched with the variable frequency motor，According to the structural characteristics of the motor, there are two types of fans: axial flow fans and centrifugal fans;The axial flow fan is installed at the non-shaft extension end of the motor, ...Read more -
Function, type and process of motor dipping paint
1.The role of dipping paint 1. Improve the moisture-proof function of motor windings. In the winding, there are a lot of pores in the slot insulation, interlayer insulation, phase insulation, binding wires, etc.It is easy to absorb moisture in the air and reduce its own insulation performance. Af...Read more -
Thirteen Questions about Motors
1.Why does the motor generate shaft current? Shaft current has always been a hot topic among major motor manufacturers. In fact, every motor has shaft current, and most of them will not endanger the normal operation of the motor.The distributed capacitance between the winding and the housing of a...Read more -
Motor classification and selection
The difference between various types of motors 1. Differences between DC and AC motors DC motor structure diagram AC motor structure diagram DC motors use direct current as their power source, while AC motors use alternating current as their power source. Structurally, the principle of DC motor...Read more -
Motor Vibration
There are many reasons for motor vibration, and they are also very complicated. Motors with more than 8 poles will not cause vibration due to motor manufacturing quality problems. Vibration is common in 2–6 pole motors.The IEC 60034-2 standard developed by the International Electrotechnical...Read more -
Permanent magnet motor industry chain overview and global market insight analysis report
1.Classification of permanent magnet motors and industry driving factors There are many types, with flexible shapes and sizes. According to the motor function, permanent magnet motors can be roughly divided into three types: permanent magnet generators, permanent magnet motors, and permanent magn...Read more -
Low Voltage Synchronous Permanent Magnet Motor Market by Application
Low Voltage Synchronous Permanent Magnet Motor Market Insights (2024-2031) The Low Voltage Synchronous Permanent Magnet Motor Market represents a diverse and rapidly evolving sector, involving the production, distribution, and consumption of goods or services related to ...Read more -
The development history and current technology of permanent magnet synchronous motor
With the development of rare earth permanent magnet materials in the 1970s, rare earth permanent magnet motors came into being. Permanent magnet motors use rare earth permanent magnets for excitation, and permanent magnets can generate permanent magnetic fields after mag...Read more -
How to control the motor with a frequency converter
Frequency converter is a technology that should be mastered when doing electrical work. Using frequency converter to control motor is a common method in electrical control; some also require proficiency in their use. 1.First of all, why use a frequency converter to control a motor? The motor is a...Read more -
The “core” of permanent magnet motors – permanent magnets
The development of permanent magnet motors is closely related to the development of permanent magnet materials. China is the first country in the world to discover the magnetic properties of permanent magnet materials and apply them in practice. More than 2,000 years ago...Read more -
Comprehensive Benefit Analysis of Permanent Magnet Synchronous Motors Replacing Asynchronous Motors
Compared with asynchronous motors, permanent magnet synchronous motors have the advantages of high power factor, high efficiency, measurable rotor parameters, large air gap between stator and rotor, good control performance, small size, light weight, simple structure, high torque/inertia ratio, e...Read more -
Back EMF of Permanent Magnet Synchronous Motor
Back EMF of Permanent Magnet Synchronous Motor 1. How is back EMF generated? The generation of back electromotive force is easy to understand. The principle is that the conductor cuts the magnetic lines of force. As long as there is relative motion between the two, the magnetic field can be stati...Read more
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