Motor energy consumption performance is mainly in the following areas: First, the motor load rate is low. Due to improper motor selection, the affluent amount is too large or production process changes, making the actual working load of the motor is much smaller than the rated load, about 30 ...

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Sm2Fe17Nx rare-earth permanent magnetic material has excellent endowment magnetic properties, its saturation magnetization strength reaches 1.54T, which is comparable to 1.6T of Nd-Fe-B; Curie temperature is 470℃ (312℃ for Nd-Fe-B), anisotropic field is 14T (8T for Nd-Fe-B) are higher ...

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The crystal structure, endogenous magnetic properties, magnetic properties of SmFeN rare-earth permanent magnetic materials in relation to the number of nitrogen atoms; the preparation process of several major SmFeN magnetic powders; the effect of added elements on magnetic properties; the prep ...

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SmFeN permanent magnet material has high coercivity, high saturation magnetization and high Curie temperature. It has important application value in emerging fields such as aerospace, electric vehicle, wind power generation and artificial intelligence, and has been paid attention to by researcher ...

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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? 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? 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? 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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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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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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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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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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