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Converter Comparison – f 1cb = 750 Hz<br />
10 0 harmonic content of l<strong>in</strong>e-to-l<strong>in</strong>e voltage 2L VSC,fc=750Hz<br />
Harmonic Content of l<strong>in</strong>e-to-l<strong>in</strong>e Voltage<br />
(V ll,ν=1 = 2,3 kV; S S = 38,61 MVA; m = 1.11)<br />
2L-VSC, f C = 750 Hz, f 1cb = 750<br />
Hz<br />
3L-NPC, f C = 750 Hz, f 1cb = 750<br />
Hz<br />
harmonic content l<strong>in</strong>e-to-l<strong>in</strong>e voltage voltage 3L-NPC VSC,fc=750Hz<br />
0<br />
10<br />
Vll,n/Vll,1<br />
10 -1<br />
Vll,n/Vll,1<br />
10 -1<br />
10 -2<br />
0 500 1000 1500 2000 2500<br />
f [Hz]<br />
3L-FLC, f C = 375 Hz, f 1cb = 750 Hz<br />
10 0 harmonic content of l<strong>in</strong>e-to-l<strong>in</strong>e voltage 3L-FLC VSC,fc=375Hz<br />
10 -2<br />
0 500 1000 1500 2000 2500<br />
f [Hz]<br />
4L-FLC, f C = 250 Hz, f 1cb = 750 Hz<br />
10 0 harmonic content of l<strong>in</strong>e-to-l<strong>in</strong>e voltage 4L-FLC VSC,fc=250Hz<br />
Vll,n/Vll,1<br />
10 -1<br />
Vll,n/Vll,1<br />
10 -1<br />
10 -2<br />
0 500 1000 1500 2000 2500<br />
f [Hz]<br />
10 -2<br />
0 500 1000 1500 2000 2500<br />
f [Hz]<br />
Power Electronics Lab<br />
All rights reserved.Prof. Bernet 9/2003-29
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