Predictive Control of Three Phase AC/DC Converters
Predictive Control of Three Phase AC/DC Converters
Predictive Control of Three Phase AC/DC Converters
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Sector 5<br />
1<br />
Figure 4.12: Converter voltage vector U P selection<br />
ΨL Sector<br />
60 CHAPTER 4. PREDICTIVE DIRECT POWER CONTROL<br />
β<br />
Sector 6<br />
(110)<br />
UP2<br />
(000)<br />
UP0<br />
(111)<br />
UP7<br />
α<br />
UL<br />
(100)<br />
UP1<br />
(101)<br />
4<br />
Sector 2 Sector 3<br />
UP6<br />
Sector U P sequence<br />
1 0 5 6 6 5 0<br />
2 0 1 6 6 1 0<br />
3 1 6 7 7 6 1<br />
4 1 2 7 7 2 1<br />
5 0 1 2 2 1 0<br />
6 0 3 2 2 3 0<br />
7 3 2 7 7 2 3<br />
8 3 4 7 7 4 3<br />
9 0 3 4 4 3 0<br />
10 0 5 4 4 5 0<br />
11 5 4 7 7 4 5<br />
12 5 6 7 7 6 5<br />
Table 4.5: Switching table related to virtual flux vector position γ ΨL<br />
<strong>Control</strong> system uses common with CSF-P-DPC blocks like:<br />
• <strong>DC</strong>-link stabilization loop,<br />
• coordinates transformations (A.2),<br />
• cost function minimization criteria (4.45) – (4.47).<br />
The differences come from: