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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
1-6 Power Electronics and Motor Drives
Typical forward blocking and on-state current–voltage characteristics of high-power thyristors are
depicted in Figure 1.5. e hysteresis in the on-state characteristic results from the fact that the current
has to distribute across the extended main cathode area aer turn-on. In the 5 in. thyristor considered
here, the current distributes over the entire cathode area, not until the current exceeds approximately
3 kA. Current spreading during the turn-on process and the nal on-state voltage V
T
can be controlled
by several measures: For large-area thyristors, the outermost AG is typically designed in such ...
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Publisher Resources

ISBN: 9781439802861