Christoph Haederli - Les thÃ¨ses en ligne de l'INP - Institut National ...

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3-L DC Link ML Converter Properties 87 - Sinusoidal average switching function with DC CM offset but no harmonics - Sinusoidal average switching function with dominant fundamental, harmonics of any order but no DC CM offset. These two cases can be analytically calculated in closed form. Both are highly useful for a basic understanding of NP current characteristics and its behavior under disturbance conditions. They can also be used for the design of a NP current controller, as will be demonstrated in the next chapter. The key findings regarding harmonic relationships are: - A 2 nd harmonic on the line side generates a relatively large DC NP current due to the fundamental and the 3 rd harmonic in the switching function. This effect can also be used actively by generating a 2 nd line current harmonic on purpose. - If there are 5 th and the 7 th harmonics in the line current, they predominantly result in 3 rd and 9 th harmonic in the NP current, as they are coupled through the fundamental and the 3 rd in the switching function. This is usually not very relevant in operation, as amplitudes are normally low. - A third harmonic is present in the NP current, if not compensated, due to the fundamental and the 3 rd harmonic in the switching function. - DC CM injection is most effective for DC NP current generation in active power operation. - 2 nd and 6 th harmonic CM injection are most effective for DC NP current generation in reactive power operation.
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THÈSE En vue de l'obtention du DOC
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Acknowledgements i ACKNOWLEDGEMENTS
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iv Table of Contents 3.4 Generic ML
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vi Table of Contents 7.1 General mo
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viii Résumé français (French sum
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x Résumé français (French summar
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xii Résumé français (French summ
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xiv Résumé français (French summ
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xvi Résumé français (French summ
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xviii Résumé français (French su
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Introduction 1 2 INTRODUCTION This
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Introduction 3 tighter capacitor di
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Introduction 5 TABLE 1, OPERATING R
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Introduction 7 2.3 Glossary Note th
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Introduction 9 2.4 Nomenclature Not
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Introduction 11 DPC DSP DTC FC FPGA
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ML Converter Topologies 13 3 ML CON
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ML Converter Topologies 15 The four
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ML Converter Topologies 17 Each swi
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ML Converter Topologies 19 size doe
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ML Converter Topologies 21 plus (a)
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ML Converter Topologies 23 N >= 2,
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ML Converter Topologies 25 (a) (b)
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ML Converter Topologies 27 (a) (b)
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ML Converter Topologies 29 In a pra
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ML Converter Topologies 31 reality,
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ML Converter Topologies 33 All cons
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ML Converter Topologies 35 TABLE 16
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138 NP Control with Optimal Sequenc
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150 Application and Verification TA
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154 Application and Verification 7.
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156 Application and Verification no
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158 Application and Verification Th
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166 Application and Verification su
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Conclusions and Outlook 169 8 CONCL
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Conclusions and Outlook 171 The spe
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Conclusions and Outlook 173 A more
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Appendix 175 9 APPENDIX 9.1 M 2 LC
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Appendix 177 9.2 Flying capacitor e
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Appendix 179 9.2.2 M 2 LC compared
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Appendix 181 TABLE 83, MODULATION S
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Appendix 183 5 5 0 0 3 0 0 ia ia 0
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Appendix 185 9.5.2 Zero average NP
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Appendix 187 9.5.4 Maximum and mini
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Appendix 189 Note that the range of
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Appendix 191 TABLE 92, NP CURRENT I
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Appendix 193 TABLE 94, NP CURRENT I
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196 Bibliography [16] R. Marquardt,
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198 Bibliography [48] K. Zhou and D
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200 Bibliography [76] Q. Song, W. L
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202 Bibliography [101] G. Gateau, T
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Christoph Haederli - Les thÃ¨ses en ligne de l'INP - Institut National ...

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