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  1. Issue 2 How JMAG Realized Accelerated Speed

    A Powerful Simulation EngineThis technical report introduces content concerning the development of JMAG technology.As the previous section introduced why matrix solvers are necess…

  2. Issue 1 Why is a high-speed calculation engine necessary?

    A Powerful Simulation EngineIn recent years, the needs of engineers are diversifying as computer aided engineering (CAE) tools are applied more regularly when designing electromag…

  3. [JAC131] Stray Capacitance Analysis of a Motor

    This note presents the use of analysis to obtain the stray capacitance between an IPM motor’s coil and stator core, between its rotor core and stator core, and between the inner a…

  4. NIDEC CORPORATION

    Supporting the Success of New Businesses

  5. [JAC114] Vibration Analysis of an Outer Rotor Motor

    This note presents the use of a magnetic field analysis and structural analysis to obtain the sound pressure caused by electromagnetic vibrations in an outer rotor motor with hole…

  6. [JAC097] Sound Pressure Analysis of a Transformer

    This example presents the use of a coupled magnetic field and structural analysis to obtain the sound pressure distribution accounting for the electromagnetic force of the core wh…

  7. [JAC052] Inductance Analysis of a Sheet Coil Transformer

    This Application Note explains how to obtain the self-inductance and leakage inductance of a sheet coil transformer.

  8. [JAC046] Sensitivity Analysis of the Magnetization Pattern of an SPM Motor

    This Application Note presents the use of a magnetic field analysis to obtain the surface flux density for radial pattern, parallel anisotropic pattern, and polar anisotropy patte…

  9. [JAC044] Resistance Heating Analysis of a Steel Sheet

    This Application Note presents how to obtain the calculate current density distribution, Joule loss distribution and temperature distribution of steel sheet.

  10. [JAC109] Operating Time Analysis of an Electromagnetic Relay Accounting for Eddy Currents

    This Application Note presents the use of the motion equation function to evaluate the operating time of an electromagnetic relay with DC voltage drive. Eddy currents generated in…

  11. [JAC118] Thermal Analysis of a Bus Bar

    This Application Note presents how to obtain the temperature distribution in a bus bar or the like with changes in the power supply frequency.

  12. [JAC091] Iron Loss Analysis of an IPM Motor Including the Effects of Press Fitting Stress

    This Application Note presents modeling the press fitting of a core and frame with the Press Fit condition and then obtaining the iron loss density of an IPM motor with and withou…

  13. [JAC103] Efficiency Analysis of a Permanent Magnet Synchronous Motor

    In this example, how to obtain the efficiency with a sinusoidal wave voltage drive at a rotation speed of 1,800 r/min and voltage amplitude of 40 V.

  14. [JAC048] High-Frequency Induction Heating Analysis of a Printer Roller

    This Application Note confirms the non-uniformity in temperature distribution produced by an assumed coil geometry, as well as the temperature elevation in each part caused by rot…

  15. [JAC099] Superimposed Direct Current Characteristics Analysis of a High Current Reactor

    This Application Note presents how to obtain a high-current reactor’s superimposed direct current characteristics when the gap length is varied.

  16. [JAC090] Analysis of the Effect of PWM on the Iron Loss of an IPM Motor

    This Application Note demonstrates a case study where the effects of a carrier harmonic against an IPM motor’s iron loss is confirmed using estimated harmonic current waveform as …

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