PDF (Thesis) - Nottingham eTheses - University of Nottingham
PDF (Thesis) - Nottingham eTheses - University of Nottingham
PDF (Thesis) - Nottingham eTheses - University of Nottingham
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CHAPTER 5: EMI MEASUREMENTS<br />
CM Voltage [V]<br />
CM Voltage [V]<br />
CM Voltage [V]<br />
CM Voltage [V]<br />
600<br />
400<br />
200<br />
0<br />
−200<br />
−400<br />
−600<br />
−20 −15 −10 −5 0<br />
Time [ms]<br />
5 10 15 20 −1.5<br />
−1<br />
CM voltage<br />
Line current<br />
600<br />
400<br />
200<br />
0<br />
−200<br />
−400<br />
CM voltage detail<br />
−600<br />
−3 −2.5 −2 −1.5 −1<br />
Time [ms]<br />
−0.5 0 0.5 1<br />
600<br />
400<br />
200<br />
0<br />
−200<br />
Figure 5.21: CM Voltage measurement for Matrix converter<br />
−400<br />
−600<br />
−20 −15 −10 −5 0<br />
Time [ms]<br />
5 10 15 20 −1.5<br />
−1<br />
CM voltage<br />
Line current<br />
600<br />
400<br />
200<br />
0<br />
−200<br />
−400<br />
CM voltage detail<br />
−600<br />
−3 −2.5 −2 −1.5 −1<br />
Time [ms]<br />
−0.5 0 0.5 1<br />
Figure 5.22: CM Voltage measurement for Two-level converter<br />
70<br />
1.5<br />
1<br />
0.5<br />
0<br />
−0.5<br />
1.5<br />
1<br />
0.5<br />
0<br />
−0.5<br />
Phase current [A]<br />
Phase current [A]