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  1. 194 – Analysis of High-Speed Rotation Motors Accounting for Eddy Current

    OverviewPM synchronous motors are used in HEV drives, air conditioner compressors, and various other industries. Especially in case of PM synchronous motors for HEV drives, high-speed rotation is advancing faster than ever to achieve a small size wi…

    9 Mar 2018

  2. 193 – Calculation of Equivalent Circuit Parameters of Single-Phase Induction Motors

    OverviewSince single phase induction motors can be used with single-phase AC, which is common in general household power supply, it is widely used for electrical home and office appliances such as washers and fans as small power motors. However, unl…

    9 Mar 2018

  3. 192 – Response Characteristics Analysis of Solenoid Valves Accounting for Residual Magnetization

    OverviewA solenoid valve becomes an electromagnet by applying current through the coil and moves the plunger by using electromagnetic force (attractive force) generated in the magnetic materials. Especially in products that require a quick response …

    9 Mar 2018

  4. 191 – Torque Analysis of Three-Phase Induction Motors Accounting for the Skew Using the Multi-slice Method

    OverviewAn induction motor can utilize skew easily because the cage is constructed by metallic casting such as die casting. When skew is applied, it arranges the variations in the magnetic flux that links to the cage in a sinusoidal wave. This makes…

    9 Mar 2018

  5. 190 – Arrangement Optimization of Wireless Power Transfer System

    OverviewA solenoid type injector used in engines opens a valve and injects fuel by moving a plunger with magnetic force created by an electromagnet. Originally there were only two types of wireless power supply systems:proximity and long distance. H…

    8 Mar 2018

  6. 189 – Response Characteristics Analysis of Injectors Accounting for Collision

    OverviewA solenoid type injector used in engines opens a valve and injects fuel by moving a plunger with magnetic force created by an electromagnet. Injectors in engines need to respond quickly for applied voltage to improve fuel consumption by main…

    8 Mar 2018

  7. 188 – Thermal Demagnetization Analysis of IPM Motors Accounting for Coercive Force Distribution of Magnets

    OverviewThe purpose of this Application Note is to help JMAG users understand the steps and settings used in a JMAG analysis. It is intended to help those who are working with a new analysis target better understand the analysis steps and the settin…

    8 Mar 2018

  8. 186 – Gear Induction Hardening Analysis Using Two Frequencies

    OverviewGears are created in such a way that the surfaces of their teeth are hard in order to resist the wear and tear that occurs when they come into contact with the teeth of other gears. However, this has to be accomplished while maintaining the …

    8 Mar 2018

  9. 185 – Analysis of Stray Loss in a Power Transformer

    OverviewTransformers are made to be used long-term, so it has become an important design policy to control running costs from losses. These losses include copper loss in the coil and iron loss in the core. In high-capacity transformers, however, the…

    8 Mar 2018

  10. 184 – Reactor Sound Pressure Analysis taking Magnetostriction into Account

    OverviewReactors are used in all sorts of systems related to power systems. For example, they fill the role of making the current pulsation between an inverter and a motor smoother. Reactor vibration noise can also be an issue and countermeasures ar…

    8 Mar 2018

  11. 183 – Agitation Force Analysis of an Induction Furnace

    OverviewThe purpose of this Application Note is to help JMAG users understand the steps and settings used in a JMAG analysis. It is intended to help those who are working with a new analysis target better understand the analysis steps and the settin…

    8 Mar 2018

  12. 180 – Analysis of SR Motor Dynamic Characteristics

    OverviewWith the skyrocketing prices of rare earth magnets, expectations have been rising for SR (switched reluctance) motors because they have a motor format that does not use permanent magnets. SR motors have a simple structure that can achieve so…

    8 Mar 2018

  13. 179 – Analysis of SR Motor Static Characteristics

    OverviewWith the skyrocketing prices of rare earth magnets, expectations have been rising for SR (switched reluctance) motors because they have a motor format that does not use permanent magnets. SR motors have a simple structure that can achieve so…

    8 Mar 2018

  14. 178 – Analysis of SR Motor I-Psi Characteristics

    OverviewWith the skyrocketing prices of rare earth magnets, expectations have been rising for SR (switched reluctance) motors because they have a motor format that does not use permanent magnets. SR motors have a simple structure that can achieve so…

    8 Mar 2018

  15. 177 – Torque Characteristic Analysis of a Three Phase Induction Motor

    OverviewAn induction motor is a motor in which the rotating magnetic field of the stator coils causes induced current to flow in an auxiliary conductor, which exerts force on the rotor in the rotational direction and causes it to spin. Induction mot…

    8 Mar 2018

  16. 176 – Drive Characteristic Analysis of a Three-Phase Induction Motor

    OverviewAn induction motor is a motor in which the rotating magnetic field of the stator coils causes induced current to flow in an auxiliary conductor, which exerts force on the rotor in the rotational direction and causes it to spin. Induction mot…

    8 Mar 2018

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