Reducing the fluctuation of the modulation index can prevent the drive from entering the overmodulation region in advance, and improve the voltage utilization of the drive during the operation of the linear region. In this chapter, a linear modulation margin enhancement strategy is proposed to improve the voltage utilization of the drive by suppressing the harmonics of modulation index.

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Linear Modulation Region Expansion Strategy

  • Dawei Ding,
  • Binxing Li,
  • Qiwei Wang,
  • Gaolin Wang,
  • Guoqiang Zhang,
  • Dianguo Xu

摘要

Reducing the fluctuation of the modulation index can prevent the drive from entering the overmodulation region in advance, and improve the voltage utilization of the drive during the operation of the linear region. In this chapter, a linear modulation margin enhancement strategy is proposed to improve the voltage utilization of the drive by suppressing the harmonics of modulation index.