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Power Electronics and Motor Drives
book

Power Electronics and Motor Drives

by Bogdan M. Wilamowski, J. David Irwin
October 2018
Intermediate to advanced content levelIntermediate to advanced
1015 pages
40h 24m
English
CRC Press
Content preview from Power Electronics and Motor Drives
Resonant Converters 20-21
in the B&B converter (Table 20.4). Taking into account V
o
/V
i
= I
i
/I
o
, the voltage ratio is V
o
/V
i
1 for the
buck converter, V
o
/V
i
1 for the boost converter as I
o
I
i
in the buck and I
o
I
i
in the boost converter,
respectively. V
o
/V
i
can be higher or lower than unity for the B&B converter.
e peak value of the capacitor voltage is clamped in the positive channel on V
ip
for buck converter, on
(V
ip
+ V
op
) for B & B converter, and on V
op
for boost converter, respectively (Table 20.4). Similar statement
holds for the negative channel.
An important advantage is the so switching of S and D in DCM. e sinusoidal current in S starts
from zero (zero current turn on). Both in CCM and in DCM the current commutates from
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Publisher Resources

ISBN: 9781439802861