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In summary, this thesis provides tools and methods to analyze and investigate acoustic noise and vibration in SRMs to optimize the design for low-noise. Chapter 2 begins with a short overview of the design goals, constraints as well as design tools and methods. Chapter 3 summarizes the basic signal theory and introduces some mathematical methods needed to address the acoustic noise issue in general in chapter 5. This includes also a review on different methods of sound assessment in chapter 4. Afterwards, the presented theory is applied to switched reluctance machines in chapter 6 before deriving and presenting different methods of noise and vibration simulation in chapter 7. Simulation results are verified and compared to experiments performed on various SRMs, including 2 kW 35,000 rpm vacuum cleaner drives with different one- and two-phase machine configurations (6/6, 4/2, 8/4), 4-phase 8/6 drives for weaving machines (11 kW main drive and 2.7 kW auxiliary drive), a 4-phase 16/12 50 kW and a 3-phase 18/12 17 kW drive for electric vehicles. Control as well as design options to mitigate acoustic noise in SRMs are presented in chapter 8.
Acquisto del libro
Design of low noise switched reluctance drives, Jens Fiedler
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- Pubblicato
- 2007
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