Stability analysis on the system of a DC generator driving constant power loads based on damping compensation

  • Zhanming Xie
  • , Hong Guo*
  • , Jian Huang
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

A method is proposed to enhance the stability of a system with a direct current (DC) generator driving constant power load (CPL) based on damping compensation. Optimal design for input filter parameters in the system is accomplished to obtain the minimization of peak output impedance, and the design process is discussed in detail. By means of the Bode plot and Nyquist contour, stability analysis is carried out on two systems with DC generators driving CPL, one based on damping compensation and the other on only one capacitor. Simulations and experiments for both systems are used to validate the theoretical analysis. The results indicate that the capacity of a DC generator driving CPL is enhanced by more than 100% for the system based on damping compensation as compared with the system with only one capacitor.

Original languageEnglish
Pages (from-to)2055-2061
Number of pages7
JournalHangkong Xuebao/Acta Aeronautica et Astronautica Sinica
Volume32
Issue number11
StatePublished - Nov 2011

Keywords

  • Constant power load
  • DC generator
  • Damping compensation
  • Nyquist contour
  • Optimal design
  • Stability

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