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CHAPTER 7: FILTER DESIGN AND REALIZATION Impedance [kΩ] Impedance magnitude [kΩ] 80 60 40 20 0 −20 −40 0.1 1 10 Frequency [MHz] Model [Re] Model [Im] System [Re] System [Im] Figure 7.16: DM Inductor: matching of the measured and simulated impedance 100 90 80 70 60 50 40 30 20 10 0 0.1 1 10 Frequency [MHz] Phase U Phase V Phase W Figure 7.17: DM Inductor: matching of the measured and simulated impedance R1 L1 C1 R2 L2 C2 Figure 7.18: Ferrite tube model Parameter Value L1 [µH] 4.71 L2 [µH] 0.55 R1 [Ω] 72 R2 [Ω] 123 C1 [µF] 355 C2 [µF] 110 Table 7.7: Model parameters Once the inductors have been modelled it’s the turn of the capacitors. They have a quite easy measured experimentally impedance to match, as it can be seen in Fig. 7.20 and 7.21. The model is just a capacitor in series to an inductor, and the values for the 97
CHAPTER 7: FILTER DESIGN AND REALIZATION Impedance [Ω] 140 120 100 80 60 40 20 0 −20 0.1 1 10 Frequency [MHz] Model [Re] Model [Im] Measurement [Re] Measurement [Im] Figure 7.19: Ferrite tube: matching of the measured and simulated impedance CM are C = 10nF and L = 23.7nH, while for the DM they are C = 64nF and L = 21nH, still obtained with the same procedure. Impedance [Ω] Impedance [kΩ] 50 0 −50 −100 −150 −200 −250 0.1 1 10 Frequency [MHz] Model [Re] Model [Im] Measurement [Re] Measurement [Im] Figure 7.20: DM output filter: matching of the measured and simulated impedance 0.5 0 −0.5 −1 −1.5 −2 0.1 1 10 Frequency [MHz] Model [Re] Model [Im] Measurement [Re] Measurement [Im] Figure 7.21: CM output filter: matching of the measured and simulated impedance 7.7 Input DM and CM filter design Following the same procedure as for the output filter, the attenuation required at rele- vant frequencies by the input EMI filter can be identified from the measured emissions 98
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EMI Filter Design for Matrix Conver
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that may involve long Finite Elemen
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CONTENTS 3.1 Introduction . . . . .
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CONTENTS B External DLL 118 B.1 C c
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LIST OF FIGURES 2.10 Measurement at
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LIST OF FIGURES 6.9 CM Conducted EM
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LIST OF FIGURES 8.18 Input CM and D
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LIST OF TABLES 7.9 Attenuation for
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CHAPTER 1: INTRODUCTION the receive
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CHAPTER 1: INTRODUCTION Abs. Magnit
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CHAPTER 1: INTRODUCTION Figure 1.5:
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CHAPTER 1: INTRODUCTION • Make th
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CHAPTER 1: INTRODUCTION Figure 1.10
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CHAPTER 1: INTRODUCTION the filters
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CHAPTER 1: INTRODUCTION experimenta
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CHAPTER 2 Experimental implementati
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CHAPTER 2: EXPERIMENTAL IMPLEMENTAT
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CHAPTER 3: HF MODELLING STRATEGY im
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CHAPTER 3: HF MODELLING STRATEGY ci
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CHAPTER 3: HF MODELLING STRATEGY Re
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CHAPTER 3: HF MODELLING STRATEGY De
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CHAPTER 3: HF MODELLING STRATEGY C2
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CHAPTER 4: MOTOR AND MATRIX CONVERT
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Page 85 and 86: CHAPTER 5: EMI MEASUREMENTS CM Volt
Page 87 and 88: CHAPTER 6: SIMULATIONS OF INPUT AND
Page 93 and 94: 78 Figure 6.7: Complete HF model Po
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Page 99 and 100: CHAPTER 7: FILTER DESIGN AND REALIZ
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Page 117 and 118: CHAPTER 8 Filter realization and ex
Page 119 and 120: CHAPTER 8: FILTER REALIZATION AND E
Page 129 and 130: CHAPTER 9 Conclusions and Further w
Page 131 and 132: APPENDIX A Scientific Publications
Page 133 and 134: B.1 C code APPENDIX B External DLL
Page 135 and 136: APPENDIX B: EXTERNAL DLL Tseq_Pulse
Page 137 and 138: APPENDIX B: EXTERNAL DLL B.2 MAST c
Page 139 and 140: References [1] RTCA Incorporated. R
Page 141 and 142: REFERENCES nious drives. In Europea
Page 143: REFERENCES [48] D.F. Knurek. Reduci
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