SLIDES in 'pdf' format
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Multi-Level VSC (e.g. 4L-FC VSC)<br />
4-Level-FLC Converter<br />
v aM<br />
1 1 1 1<br />
V = V − V = V − V = V<br />
aM dc C 2 dc dc dc<br />
2 2 3 6<br />
V dc /2<br />
V dc /6<br />
S 1<br />
S 2 S<br />
2<br />
3<br />
1<br />
V dc<br />
M C 1 V C 2<br />
3 dc<br />
V<br />
3 dc<br />
S 6 S 5<br />
S 4<br />
a<br />
-V dc /6<br />
-V dc /2<br />
S 1<br />
S 2<br />
S 3<br />
S 4<br />
S 5<br />
S 6<br />
V dc<br />
/2<br />
on<br />
on<br />
on<br />
off<br />
off<br />
off<br />
V dc<br />
/6<br />
on<br />
on<br />
off<br />
off<br />
off<br />
on<br />
-V dc<br />
/6<br />
on<br />
off<br />
off<br />
on<br />
on<br />
off<br />
-V dc<br />
/2<br />
off<br />
off<br />
off<br />
on<br />
on<br />
on<br />
Power Electronics Lab<br />
All rights reserved.Prof. Bernet 9/2003-19