Inductance Analysis

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  1. [JAC014] Inductance Analysis of a Bus Bar

    This note presents a case study on the current distribution and the frequency versus inductance characteristic of the bus bar.

    • Applications: Bus Bar
    • Module: FQ and Pi
    • Physical Phenomena: Magnetic Field

  2. [JAC070] Analysis of Impedance-Frequency Characteristics of a Cable

    This Application Note explains how to obtain the frequency characteristics of the resistance and inductance in twisted pair cables.

    • Applications: Cable
    • Module: FQ
    • Physical Phenomena: Magnetic Field

  3. [JAC081] AL-value Analysis of a Choke Coil

    This Application Note explains a case example that obtains the air gap versus AL characteristics of a choke coil.

    • Applications: Transformer / Reactor
    • Module: ST and TRANSFORMER_TEMPLATE
    • Physical Phenomena: Magnetic Field

  4. [JAC143] Inductance Analysis of an Air Core Coil

    This analysis shows how to obtain an air core coil’s inductance through analysis and compare it with theoretical values.

    • Applications: Transformer / Reactor
    • Module: ST
    • Physical Phenomena: Magnetic Field

  5. [JAC099] Superimposed Direct Current Characteristic 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.

    • Applications: Transformer / Reactor
    • Module: TR
    • Physical Phenomena: Magnetic Field

  6. [JAC060] Superimposed Direct Current Characteristic Analysis of a Reactor

    This Application Note explains a case example that obtains the superimposed direct current characteristics of a high-frequency reactor when the gap width is changed.

    • Applications: Transformer / Reactor
    • Module: TR
    • Physical Phenomena: Magnetic Field

  7. [JAC101] AL-Value Current Characteristic Analysis of a Choke Coil

    This note presents the use of a magnetic field analysis to obtain the AL-value current properties of a choke coil.

    • Applications: Transformer / Reactor
    • Module: ST and TRANSFORMER_TEMPLATE
    • Physical Phenomena: Magnetic Field

  8. [JAC122] Inductance Analysis of an IPM Motor -d/q-axis Inductance Obtained by Actual Measurement-

    This Application Note presents an analysis that obtains d/q-axis inductance in an IPM motor while assuming actual measurements in a stationary rotor.

    • Applications: IPM Motor and Motor
    • Module: DP
    • Physical Phenomena: Magnetic Field

  9. [JAC077] Inductance Analysis of an RFID Tag

    This Application Note performs a magnetic field analysis of an RFID tag that has a metallic film and a magnetic sheet with a resonance frequency of 13.56 MHz, and obtains the magn…

    • Applications: RFID
    • Module: FQ
    • Physical Phenomena: Magnetic Field

  10. [JAC105] Leakage Inductance Analysis of a Transformer

    This Application Note explains how to obtain self-inductance and leakage inductance for two types of secondary coiling in a transformer: uniform coiling and close coiling.

    • Applications: Transformer / Reactor
    • Module: FQ, TRANSFORMER_TEMPLATE, and TS
    • Physical Phenomena: Magnetic Field

  11. [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.

    • Applications: Transformer / Reactor
    • Module: FQ
    • Physical Phenomena: Magnetic Field

  12. [JAC158] Superimposed Direct Current Characteristic Analysis of a Reactor That Accounts for Minor Hysteresis Loops

    This Application Note presents the use of the frozen permeability condition to obtain the superimposed direct current characteristic that includes minor hysteresis loops of a high…

    • Applications: Transformer / Reactor
    • Module: FQ and ST
    • Physical Phenomena: Magnetic Field and Material

  13. [JAC154] Calculation of Equivalent Circuit Parameters in a Three-Phase Induction Motor

    This Application Note explains how to obtain the secondary resistance, leakage inductance, and excitation inductance of an induction motor when its power supply frequency has been…

    • Applications: Induction Motor and Motor
    • Module: DP
    • Physical Phenomena: Magnetic Field

  14. [JAC179] Analysis of SR Motor Static Characteristics

    This example presents an evaluation for each rotor position of the effect on flux linkage (shown as I-Psi characteristics below) when excitation current is changed.

    • Applications: Motor and SR Motor
    • Module: DP
    • Physical Phenomena: Magnetic Field

  15. [JAC193] Calculation of Equivalent Circuit Parameters of Single-Phase Induction Motors

    In this document, we will be obtaining the secondary resistance, leakage inductance and excitation inductance of main winding of capacitor-start single-phase induction motor that …

    • Applications: Induction Motor and Motor
    • Module: FQ
    • Physical Phenomena: Magnetic Field

  16. [JAC199] Efficiency Analysis of Wireless Power Transfer via Electromagnetic Induction Method using Resonance Circuits

    This example presents, an electromagnetic induction-type wireless power supply system using an excitation circuit positioned with a parallel resonance condenser on the receiving e…

    • Applications: Wireless Power Transfer
    • Module: FQ
    • Physical Phenomena: Magnetic Field

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