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Power Electronics Design
book

Power Electronics Design

by Keith H. Sueker
April 2011
Intermediate to advanced content levelIntermediate to advanced
272 pages
6h 11m
English
Newnes
Content preview from Power Electronics Design
120 9
Rectifiers and Converters
of 1.0 Vrms and a secondary voltage of 1.0 Vrms each side of center
tap and a resistive load of 1.0
, each secondary current is 0.707 Arms,
and the primary current is 1.0 A rms. Circuit voltamperes are 1.0 VA.
The transformer has a primary rating of 1.0 VA, but each secondary
must be rated at 0.707 VA. Thus, the transformer must have a VA rat-
ing of (1 + 0.707 + 0.707)/2 = 1.207 VA. It must be some 20% over-
sized for the circuit rating because of the half-wave currents in the
secondary sections.
Figure 9.3 shows the familiar bridge circuit. Here, the transformer
is fully utilized, since both windings carry sinusoidal ...
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Publisher Resources

ISBN: 9780750679275