China permanent magnet manufacturer: www.rizinia.com

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  • What is a permanent magnet synchronous motor

    What is a permanent magnet synchronous motor

    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 ...

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  • How to judge the quality of sintered NdFeB magnet

    How to judge the quality of sintered NdFeB magnet

    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 ...

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  • What is permanent magnet material

    What is permanent magnet material

    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 ...

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  • What is soft magnetic material

    What is soft magnetic material

    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 ...

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  • A new method for initial position identification of Interior Permanent Magnet Synchronous Machine

    A new method for initial position identification of Interior Permanent Magnet Synchronous Machine

    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 ...

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  • Permanent magnet in Apple magnetic suction wireless charger

    Permanent magnet in Apple magnetic suction wireless charger

    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 ...

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  • Types and principles of common driving motors for new energy vehicles

    Types and principles of common driving motors for new energy vehicles

    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 ...

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  • Why is the efficiency of permanent magnet motor higher?

    Why is the efficiency of permanent magnet motor higher?

    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 ...

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  • Mechanical properties of sintered Ce-Fe-B magnets

    Mechanical properties of sintered Ce-Fe-B magnets

    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 ...

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  • Production process of sintered NdFeB

    Production process of sintered NdFeB

    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 ...

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  • The Preparation of sintered NdFeB magnets

    The Preparation of sintered NdFeB magnets

    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 ...

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  • Application status and development trend of Magnetic Levitation Motor

    Application status and development trend of Magnetic Levitation Motor

    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 ...

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