Basic Characteristic Analysis

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  1. 248 – Analysis of a Variable Reluctance Resolver

    In this example, we introduce the case study that evaluates the output voltages and angle error of the variable reluctance resolver.

  2. 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 pe…

  3. 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 pe…

  4. 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 …

  5. 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 …

  6. 173 – Basic Characteristic Analysis of an IPM Motor

    This Application Note demonstrates an analysis in which an IPM motor's cogging torque, torque, magnetic flux density distribution, and iron loss in the stator core are obtained.

  7. 156 – Segregation Analysis of Torque Components for an IPM Motor

    OverviewIPM motors are often used as high performance motors because they are highly efficient and their structure makes it possible to achieve a wide range of operation. They are…

  8. 74 – Speed Versus Torque Analysis of a Single-Phase Induction Motor

    OverviewSingle-phase induction motors are widely used as small output motors for the drives in household electrical appliances and office machinery, like fans and washing machines…

  9. 71 – Basic Characteristic Analysis of a Motor with 2 Brushes, 6 Poles, and 19 Slots

    OverviewSmall brush motors generally have a structure containing 2 poles and 3 slots, but there are times when a multi-pole structure is adopted in order to produce higher torque.…

  10. 95 – Analysis of a Universal Motor

    OverviewMotors in electrical industrial equipment are often used for cutting and machining, so it is desirable for them to be usable at high rotation speeds. Induction motors cann…

  11. 43 – Torque Analysis of a Coreless Motor

    OverviewAs their name implies, coreless motors have a rotor that lacks a core and is made of only a coil. For this reason, there is no core to produce iron loss in the rotor, and …

  12. 82 – Analysis of a Synchronous Reluctance Motor

    OverviewSkyrocketing prices of rare earth magnets have led to rising expectations for synchronous reluctance motors (referred to below as SynRMs), which do not use permanent magne…

  13. 81 – AL-value Analysis of a Choke Coil

    OverviewA choke coil is an electric component that is intended to filter high-frequency current. The AL-value is a vital parameter in a choke coil design that determines the cutof…

  14. 80 – Cogging Torque Analysis of an SPM Motor with Skewed Magnetization

    OverviewReductions in vibration and noise are being sought after because they are a cause of torque variations in motors, and demands for reduction are particularly strong with mo…

  15. 68 – Speed Versus Torque Characteristic Analysis of a Three-Phase Induction Motor

    OverviewAn induction motor is a motor in which a rotating magnetic field in the stator coils causes induced current to flow in an auxiliary conductor. This current and magnetic fi…

  16. 64 – Thrust Force Analysis of a Coreless Linear Motor

    OverviewLinear motors are widely used for carrier devices and machine tools because of their high-speed performance, high acceleration and deceleration, and accurate positioning. …

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