吉林大学学报(工学版) ›› 2000, Vol. ›› Issue (2): 90-94.

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The Study of DC Link Capacitance Voltage in Multi-level PWM Converter with Fuzzy Controller

LI Hao-yu1, WU Jian-qiang2, WANG Yu-hong3, ZHANG Fu-en1   

  1. 1. Dept of Control Engineering, Harbin Institute of Technology, Harbin150001, China;
    2. Dept of Etectrical Engineering, Harbin Institute of Technology, Harbin150001, China;
    3. Daqing General Machinery Factory, Daqing163212, China
  • Received:1999-10-12 Online:2000-04-25

Abstract: The control technology based on fuzzy logic in multi-level PWM converter is presented. It is implemented to output the step wave through controlling the on-off combination of every power device. The harmonic wave and ripple component of the converter is greatly reduced. It is more effective to regulate the system and the voltage and current of DC capacitances. At the end of the paper, the simulation result is derived.

Key words: multi-level converter, fuzzy controlling, PWM

CLC Number: 

  • TM76
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