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CHAPTER 4: MOTOR AND MATRIX CONVERTER MODEL Impedance [Ω] 50 45 40 35 30 25 20 15 10 5 0 5µH Line Load 10µF 5Ω 0.25µF 100Ω 100Ω 33pF 100Ω Figure 4.18: Lisn schematic 0.1µF 50Ω 0.1 1 10 Frequency [MHz] Figure 4.19: Lisn: matching of the reference and simulated impedance [Re] Simul [Re] Ref match the 5mH. The result of the real part of the LISN impedance matching can be seen in Fig. 4.19, and the final values are reported in Table 4.6. 4.6 Cable model The used cables have three conductors plus the earth, and they must be unshielded, according to aircraft specifications. Because the used cables are very short (1 and 2 meters) a geometrical approach for the HF modelling have been pursued, using the formulae in [29]; however for a general case of longer cables a full investigation would be needed. Considering our case, for a multi-conductor cable with regular disposition of the wires, the specific capacitance and inductance, per unitary length, can be calculated with these 53
CHAPTER 4: MOTOR AND MATRIX CONVERTER MODEL Parameter Value L1(Line) 0.1nH L2 L3 1.9780µH 0.6753µH L4(Load) 2.3466µH Table 4.6: LISN main inductor values, in order from line side to load side C 2 C 2 C 2 C 2 C 2 C 2 L L L L R R R R Figure 4.20: Cable model 54 C 2 C 2 C 2 C 2 C 2 C 2
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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
Page 17 and 18: CHAPTER 1: INTRODUCTION the receive
Page 19 and 20: CHAPTER 1: INTRODUCTION Abs. Magnit
Page 21 and 22: CHAPTER 1: INTRODUCTION Figure 1.5:
Page 23 and 24: CHAPTER 1: INTRODUCTION • Make th
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Page 27 and 28: CHAPTER 1: INTRODUCTION the filters
Page 29 and 30: CHAPTER 1: INTRODUCTION experimenta
Page 31 and 32: CHAPTER 2 Experimental implementati
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Page 45 and 46: CHAPTER 3: HF MODELLING STRATEGY im
Page 47 and 48: CHAPTER 3: HF MODELLING STRATEGY ci
Page 49 and 50: CHAPTER 3: HF MODELLING STRATEGY Re
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Page 75 and 76: CHAPTER 5: EMI MEASUREMENTS will tr
Page 77 and 78: CHAPTER 5: EMI MEASUREMENTS iA iB I
Page 79 and 80: CHAPTER 5: EMI MEASUREMENTS I[dBµA
Page 81 and 82: CHAPTER 5: EMI MEASUREMENTS Motor c
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Page 85 and 86: CHAPTER 5: EMI MEASUREMENTS CM Volt
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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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CHAPTER 8: FILTER REALIZATION AND E
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CHAPTER 9 Conclusions and Further w
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APPENDIX A Scientific Publications
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B.1 C code APPENDIX B External DLL
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APPENDIX B: EXTERNAL DLL Tseq_Pulse
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APPENDIX B: EXTERNAL DLL B.2 MAST c
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References [1] RTCA Incorporated. R
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REFERENCES nious drives. In Europea
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REFERENCES [48] D.F. Knurek. Reduci
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