What is a permanent magnet synchronous motor? The permanent magnet synchronous motor provides excitation with permanent magnets, which makes the motor structure simpler, reduces processing and assembly costs, and eliminates the collector ring and brushes, which are prone to problems, improving ...

Read more

How to judge the quality of sintered NdFeB magnet? Sintered NdFeB permanent magnets. as one of the important substances to promote contemporary technology and social progress. are widely used in the following fields: computer hard disk. nuclear magnetic resonance imaging. electric vehicles. wi ...

Read more

What is permanent magnet material? Permanent magnetic materials are also called “hard magnetic materials”. A material that maintains constant magnetism once magnetized. It has wide hysteresis loop, high coercivity and high remanence. In practice, permanent magnet materials work in ...

Read more

What is soft magnetic material? Soft magnetic material, refers to when the magnetization occurs at Hc not greater than 1000 A/m, such a material is called a soft magnet. A typical soft magnetic material can achieve the maximum magnetization strength with the smallest external magnetic field. S ...

Read more

Built in permanent magnet synchronous machine (IPMSM) has the characteristics of high efficiency and high power density. It is widely used in household appliances, electric vehicles, new energy power generation, aerospace and other fields. The sensorless control of permanent magnet synchronous moto ...

Read more

Since the iPhone 8 in 2017, Apple has added the wireless charging function to all iPhone models, which is close to the use of other mobile phone wireless charging methods. It starts charging when it is placed on the wireless charger. This wireless charging depends on the alignment of the transmitti ...

Read more

Based on the basic performance requirements of new energy vehicle drive motor, the commonly used drive motor types mainly include three categories, namely AC asynchronous motor, permanent magnet synchronous motor and switched reluctance motor. At present, in the statistics of matching models of var ...

Read more

Permanent magnet synchronous motor is mainly composed of stator, rotor and shell. The stator core is laminated to reduce the iron loss due to eddy current and hysteresis effect; The winding is usually three-phase symmetrical structure, but the parameter selection is quite different. The rotor par ...

Read more

Abstract The bending strength, fracture toughness, hardness and brittleness index of Ce-Fe-B magnets with different CE contents (R1-xCex)30.5’31.5Febal.B1M1 (mass fraction,%) were tested, and the micro fracture of the magnets was analyzed by SEM and EDS. The results show that the ...

Read more

In this paper, the development process, performance requirements and main types of rare earth permanent magnet materials are introduced, with emphasis on the production process of sintered NdFeB magnets. Finally, the application of sintered NdFeB magnets in production, scientific research, life a ...

Read more

In this article, the development process, performance requirements and main types of rare earth permanent magnet materials are introduced, with emphasis on the production process of sintered NdFeB magnets. Finally, the application of sintered NdFeB magnets in production, scientific research, life ...

Read more

This paper outlines the principle and advantages of magnetic levitation motor, focusing on the structure and working principle of magnetic levitation wind turbine. The current application fields of magnetic levitation motor are introduced. Finally, this paper looks forward to the future developme ...

Read more