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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
DC–AC Converters 14-31
e conventional CHB assumes that all the dc voltage sources V
dci
have exactly the same values,
this corresponds to the CHB with equal dc sources of the classication in Figure 14.27. Assuming this
conventional dc voltage ratio and considering a two-cell cascaded converter, like the one shown in
Figure 14.31, the possible switching states are listed in Table 14.6. e two-cell achieves ve possible
output voltages and, therefore it is a ve-level converter. Many of the switching states generate the same
+
a
O
+
v
c2
v
c1
LV-IGBT
P
V
dc1
S
a1
S
a1
S
a3
S
a3
V
dc2
S
a4
S
a4
S
a2
S
a2
v
ao
FIGURE 14.31 Two-cell CHB converter.
TABLE 14.6 Five-Level CHB Sw ...
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Publisher Resources

ISBN: 9781439802861