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[Analysis Case] Demagnetization Analysis of Interior Permanent Magnet Synchronous Motor (IPMSM)

[Analysis Case] Demagnetization Analysis of Interior Permanent Magnet Synchronous Motor (IPMSM)

Predicting the demagnetization state due to external factors that cause a magnet to lose its magnetism through analysis!

We would like to introduce the "Magnet Demagnetization Analysis of Interior Permanent Magnet Synchronous Motors (IPMSM)" conducted by our company. The analysis mode is transient response analysis, and the motor specifications are 3-phase, 8-pole, 48-slot, with distributed winding. The driving condition is 3,000 min^-1. As a result of the analysis, it was found that the demagnetization occurs at locations on the rotor core where the magnetic flux density is high, and it was also determined that the surrounding temperature of 125°C affects the coercivity reduction of Nd-Fe-B magnets. 【Analysis Conditions (Partial)】 ■ Analysis Mode: Transient Response Analysis ■ Motor Specifications: 3-phase, 8-pole, 48-slot, distributed winding ■ Driving Condition: 3,000 min^-1 ■ Magnet Surrounding Temperature: 125°C ■ Location of Electrical Short Circuit: Between Stator Windings *Details of the case can be viewed through the related links. For more information, please feel free to contact us.

  • Analysis and prediction system

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[Case Study] Analysis of Air Gap Magnetic Flux Density in Built-in Magnet Synchronous Motors

[Case Study] Analysis of Air Gap Magnetic Flux Density in Built-in Magnet Synchronous Motors

Understanding the magnetic flux density in the air gap is important! Here are some examples of magnetic flux density analysis for the relevant area.

We would like to introduce our analysis of the "Air Gap Magnetic Flux Density Analysis of Embedded Magnet Synchronous Motors (IPMSM)." The analysis mode used was transient response analysis, and the driving condition was no load at 3,000 min-1, with the analysis executed at the 45° position in the right diagram for 1/8 of the area (2D). As a result of the analysis, it was found that the magnetic flux density penetrating the air gap between the stator and rotor changes relative to the excitation timing of the stator coil of the rotating rotor. Therefore, analyzing the dynamic behavior is considered an effective approach. 【Analysis Conditions】 ■ Analysis Mode: Transient Response Analysis ■ Motor Specifications: 3-phase / 8-pole / 48-slot, distributed winding ■ Driving Conditions: No load / 3,000 min-1 ■ Analysis executed at the 45° position in the right diagram for 1/8 of the area (2D) ■ The air gap (air layer) between the stator and rotor is processed in 4 layers *For detailed information about this case, please refer to the related links. For more information, feel free to contact us.

  • Analysis and prediction system

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