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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 -
The difference between NEMA motors and IEC motors.
The difference between NEMA motors and IEC motors. Since 1926, the National Electrical Manufacturers Association (NEMA) has set standards for motors used in North America. NEMA regularly updates and publishes MG 1, which helps users select and apply motors and generators correctly. It contains pr...Read more -
Global IE4 and IE5 Permanent Magnet Synchronous Motors Industry: Types, Applications, Regional Growth Analysis, and Future Scenarios
1.What IE4 and IE5 Motors Refer To IE4 and IE5 Permanent Magnet Synchronous Motors (PMSMs) are classifications of electric motors that comply with international standards for energy efficiency. The International Electrotechnical Commission (IEC) defines these efficiency ...Read more -
Measurement of synchronous inductance of permanent magnet motors
I. The purpose and significance of measuring synchronous inductance (1)Purpose of Measuring the Parameters of Synchronous Inductance (i.e. Cross-axis Inductance) The AC and DC inductance parameters are the two most important parameters in a permanent magnet synchronous m...Read more -
Key energy-using equipment
In order to fully implement the spirit of the 20th CPC National Congress, conscientiously implement the deployment of the Central Economic Work Conference, improve the energy efficiency standards of products and equipment, support energy-saving transformation in key areas, and help large-scale eq...Read more -
Direct Drive Permanent Magnet Motor Features
Working Principle of Permanent Magnet Motor The permanent magnet motor realizes power delivery based on circular rotating magnetic potential energy, and adopts NdFeB sintered permanent magnet material with high magnetic energy level and high endowment coercivity to establish the magnetic field, w...Read more -
Permanent magnet generator
What is a permanent magnet generator A permanent magnet generator (PMG) is an AC rotating generator that utilizes permanent magnets to generate a magnetic field, eliminating the need for an excitation coil and excitation current. Current situation of permanent magnet generator With the developme...Read more -
Permanent magnet direct drive motor
In recent years, permanent magnet direct drive motors have made significant progress and are mainly used in low-speed loads, such as belt conveyors, mixers, wire drawing machines, low-speed pumps, replacing electromechanical systems composed of high-speed motors and mechanical reduction mechanism...Read more -
Overview and outlook of low-speed and high-torque permanent magnet direct-drive motors
China’s National Development and Reform Commission and other nine departments jointly issued the “motor upgrading and recycling implementation guide (2023 edition)” (hereinafter referred to as “implementation guide”), “implementation guide” clear objectiv...Read more
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