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PESC '99 Tutorials
Sunday June 27, 1999
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8:00 am
to
11:30 am
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Advances in Averaged Switch Modeling and
Simulation
Dragan Maksimovic, University of Colorado,
Boulder
In this tutorial, we show how averaged-switch modeling
approach can be applied consistently not only to basic
two-switch converter topologies in both continuous and
discontinuous conduction modes, but also to more complicated
examples including multiple-output converters, current-more
regulators and power factor correctors. Analytical,
simulation and experimental results are presented for a
number of power electronic systems. A library of
large-signal PSpice models and simulation examples used in
the tutorial will be available to attendees.
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Design of Three Phase Rectifier Systems With
Clean Input Power Characteristics
Prasad Enjeti, Texas A&M University
Ira J. Pitel, Magna-Power Electronics
The objective of this tutorial is to present several
three phase advanced power factor correction and harmonic
reduction approaches for utility interface of power
electronic converters. Several active and passive harmonic
reduction methods for three phase rectifier systems will be
presented. Several low kVA/cost active/passive schemes to
realize clean input power will be presented with industry
examples. Power electronic design engineers who deal with
three phase power conversion such as: adjustable speed ac
motor drive systems, switch mode converters, UPS, Battery
chargers, rectifiers in electro-plating, Induction heating
systems, 50/60/400 Hz power converters etc. will find this
course informative and new knowledge gained in this seminar
can be immediately applied.
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13:30 to
17:00
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Winding Design For High-Frequency
Magnetics
Rudy Severns, Springtime Enterprises,
Inc.
The use of increasingly higher switching frequencies in
modern power electronics equipment has had a direct impact
on the design of magnetic components. There are many
differences between high and low frequency magnetics that
must be taken into account in any successful design. This
tutorial will provide an overview of the differences and
their practical impact on winding design for magnetics. The
presentation will include variations on traditional
computational techniques and a critical examination of range
of validity. Practical guidelines for minimizing winding
losses will be given.
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