1st Edition

Low Frequency Electromagnetic Design

By Perry Copyright 1985
    258 Pages
    by CRC Press

    by CRC Press

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    In an historical context, the development of electromagnetic theory and anaylsis has undergone many evolutionary changes since the 19th century.  Faraday's 1831 discovery of the magnetic induction principle was at first a scientific curisoity, then a subject of intense intellectual activity resulting in the infication of the macroscopic electromagnetic principles through Maxwell's equations. One of the subdisciplines created by the discovery of electromagnetic induction and its theoretical foundation was the anaylsis of specific arrangements of ponderable bodies, including conductors which interact with electromagnetic fields to produce the measurable phyiscal effects which we call heat and mechanical force.  This book is intended neither as a suppliment or replacement for previous texts, however, a number of conductor arrangements are covered here which are not done elsewhere.  It is primarily for industrial use; where insight into the physical processes may be of practical value.

    Preface Introduction Motivation Quasistatic Magnetic Field Equations Power and Energy Formations Series and Parallel Concentric Coils The Resistance of a Single Layer Coil on a Cylindrical Winding Form Multiple Layer Series Connected Winding Design Multiple Layer Parallel Connected Air-Core Inductor Design An Experimental Method for Designing Multiple Layer Coils Low Frequency Cables and Shielding Resistance of a Straight Isolated Cylinder or Wire Increased Cable Ampacity Using Multiple Coaxial Conductors and Inductive Compensation Resistance of Litz Wire- A Direct Calculation Eddy Current Shielding by a Conducting Cylinder in a Transverse Magnetic Field Current Carrying cylinder in a Uniform Transverse Magnetic Field Torque and Braking in a Magnetic Field Conducting Cylinder in a Transverse Magnetic Field Eddy Current Damping Due to a Linear Array of Magnetic Poles Electromechanical Applications Appendix A: Properties of Bessel Functions Appendix B: Integral Formulas for Bessel Functions Appendix C: Approximations for Bessel Functions Appendix D: Surface Impedance Selected Bibliography Index