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

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Introduction 9 2.4 Nomenclature Note that this nomenclature is not comprehensive. It contains primarily terms that are either introduced by the author or considered ambiguous. Braces are used in various ways in this thesis, which is described in TABLE 4. General variables and constants d f k m Duty cycle (of an individual component or a specific converter state) Frequency (periods per second, Hz) Generic constant used in various occasions Modulation depth, m=1 refers to maximum sinusoidal line to line voltage if not stated otherwise, this corresponds with m=sqrt(3)/2 for maximum sinusoidal line to neutral voltage and with m>1 for nonlinear over modulation range. Switching function (time domain) s C - Capacitance - Capacitor - Switching cell - Carrier function E Energy M - Number of cells in ANPC output stage - Maximum number of cells that can be operated interleaved N - Characteristic number corresponding with number of sections (Figure 35) or number of cells of (equivalent) MC converter - Number of cells in ANPC input stage - General numeration S - Apparent power T U α φ - Converter state - Switching function (frequency domain) Time constant Voltage (rms), the letter V is not used Duty cycle (for a specific commutation cell [α x]or for a complete phase leg [α L]) Current angle (= θ - ϕ = ωt - ϕ for sinusoidal operation) ϕ Load angle (= θ − φ) θ ω Voltage angle (= φ + ϕ = ωt for sinusoidal operation) Angular velocity, angular frequency (radians per second) Subscripts 1, 2, 3 … Generic numbering of cells, phases etc. CM Common mode DC DC link DC+ Upper rail of DC link DC- Lower rail of DC link DM Differential mode
10 Introduction L Phase leg quantity, specifically in α L for the phase leg duty cycle MP Modulation period NP Neutral point, DC link midpoint P Fundamental period a, b, c Phase numbering avg Average value (over one modulation period) fund Fundamental wave value load Load quantity max Maximum value min Minimum value n Generic number, e.g. cell numbers 1, 2, 3 etc. out Output quantity p.u. Per unit value ref Reference value rms RMS value sw Switching tot Total x, y, z Generic place holders α Real axis of stationary reference frame β Imaginary axis of stationary reference frame Superscripts xˆ x Peak value of x Average value of x over one modulation period Operators * Multiplication • Convolution Acronyms ABB AC AFE ANPC CB CM CPU CSPD PWM CSVM DC DM DQ Asea Brown Boveri Corporation Alternating Current Active Front End (Inverter for line applications) Active Neutral Point Clamped (Converter) Carrier Based (PWM) Common Mode Central Processing Unit Centre Spaced Phase Disposition Pulse Width Modulation (equivalent with CSVM) Centered Space Vector Modulation (equivalent with CSPD PWM) Direct Current Differential Mode Direct-Quadrature (Coordinates)
Page 1 and 2: THÈSE En vue de l'obtention du DOC
Page 3: Acknowledgements i ACKNOWLEDGEMENTS
Page 6 and 7: iv Table of Contents 3.4 Generic ML
Page 8 and 9: vi Table of Contents 7.1 General mo
Page 10 and 11: viii Résumé français (French sum
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Page 26 and 27: Introduction 5 TABLE 1, OPERATING R
Page 28 and 29: Introduction 7 2.3 Glossary Note th
Page 32 and 33: Introduction 11 DPC DSP DTC FC FPGA
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NP Control with Carrier based PWM 8
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NP Control with Optimal Sequence SV
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Application and Verification 149 7
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Application and Verification 151 TA
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Application and Verification 155 7.
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170 Conclusions and Outlook 8.1.2 M
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172 Conclusions and Outlook 8.2 Out
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174 Conclusions and Outlook 8.3 Sum
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176 Appendix I = 1− ) (99) ( C 2
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178 Appendix TABLE 78, FLYING CAPAC
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180 Appendix 9.3 Single phase NP cu
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182 Appendix 9.4 States of the ANPC
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184 Appendix 9.5 NP currents as a f
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186 Appendix 9.5.3 Maximum and mini
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188 Appendix 9.6 NP current functio
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190 Appendix TABLE 91, NP CURRENT I
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192 Appendix TABLE 93, NP CURRENT I
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Bibliography 195 10 BIBLIOGRAPHY [1
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Bibliography 197 [33] P. Steimer,
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Bibliography 199 neutral point bala
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Bibliography 201 [88] J. Pou, J. Za
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Christoph Haederli - Les thÃ¨ses en ligne de l'INP - Institut National ...

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