Inductors and Transformers for Power Electronics
CRC Press, Mar 24, 2005 - Technology & Engineering - 478 pages
Although they are some of the main components in the design of power electronic converters, the design of inductors and transformers is often still a trial-and-error process due to a long working-in time for these components. Inductors and Transformers for Power Electronics takes the guesswork out of the design and testing of these systems and provides a broad overview of all aspects of design.
Inductors and Transformers for Power Electronics uses classical methods and numerical tools such as the finite element method to provide an overview of the basics and technological aspects of design. The authors present a fast approximation method useful in the early design as well as a more detailed analysis. They address design aspects such as the magnetic core and winding, eddy currents, insulation, thermal design, parasitic effects, and measurements. The text contains suggestions for improving designs in specific cases, models of thermal behavior with various levels of complexity, and several loss and thermal measurement techniques.
This book offers in a single reference a concise representation of the large body of literature on the subject and supplies tools that designers desperately need to improve the accuracy and performance of their designs by eliminating trial-and-error.
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Chapter 1 Fundamentals of Magnetic Theory
Chapter 2 Fast Design Approach Including Eddy Current Losses
Chapter 3 Soft Magnetic Materials
Chapter 4 Coil Winding and Electrical Insulation
Chapter 5 Eddy Currents in Conductors
Chapter 6 Thermal Aspects
Chapter 7 Parasitic Capacitances in Magnetic Components
Chapter 8 Inductor Design
Chapter 9 Transformer Design
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accuracy air gap applications calculated center leg Chapter coil former conductor considered convection copper losses core losses corresponding cross section DC resistance dependence device under test dimensions distance eddy current losses effect electrical Equation equivalent ferrite core ferromagnetic FIGURE filling factor finite element flux foil windings function heat transfer high frequency high frequency approximation hysteresis impedance increase induction level inductor insulation intra capacitance leakage inductance Litz wire low frequency approximation magnetic component magnetic field measurement method number of turns obtained parallel parameters penetration depth permeability permeance power electronics power loss primary winding ratio rectangular RMS value saturation secondary winding shown in Fig soft magnetic materials solution surface temperature rise thermal resistance thickness transformer transverse field typical usually voltage waveforms wide frequency winding area winding width wire diameter