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Electromagnetic Modelling of Power Electronic Converters (Hardcover, 1989 ed.)
Loot Price: R2,894
Discovery Miles 28 940
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Electromagnetic Modelling of Power Electronic Converters (Hardcover, 1989 ed.)
Series: Power Electronics and Power Systems
Expected to ship within 10 - 15 working days
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The era of the personal computer has, without doubt, permanently
altered our life style in a myriad of ways. The "brain" of the
personal computer is the microprocessor (together with RAM and ROM)
which makes the decisions needed for the computer to perform in the
desired manner. The microprocessor continues to evolve as
increasingly complex tasks are required. While not sharing the
limelight of the microprocessor, the "heart" of the personal
computer, namely the power supply, is equally important since
without the necessary source of power the microprocessor would be a
useless piece of silicon. The power supply of twenty years ago was
much different than its modem day equivalent. At the dawn of the
personal computer era in the late 1970s, de power was obtained from
a simple diode bridge. However, the need for smooth, regulated DC
at low voltage required at the same time both a bulky input
transformer and a large dc side ftlter. Those computer fans present
at the birth of this industry can remember the large boxes housing
our Altair, Cromemco and Northstar computers which was made
necessary largely because of the huge power supply. It is not well
appreciated but certainly true that the huge sucess of the Apple II
computer in those days was due, at least in part, to the relatively
slim proftle of the machine. This sleek appearance was largely due
to the adoption of the then new and unproven switched mode power
supply.
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