KIEE International Transaction on Electrical Machinery and Energy Conversion Systems

The Korean Institute of Electrical Engineers (대한전기학회)
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A Ringing Surge Clamper Type Active Auxiliary Edge-Resonant DC Link Snubber-Assisted Three-Phase Soft-Switching Inverter using IGBT-IPM for AC Servo Driver

  • Yoshitsugu, Junji (Industrial Solution Division, Yaskawa Siemens Automation & Drives Corp.) ;
  • Yoshida, Masanobu (Electrical and Electronics Engineering, Yamaguchi University) ;
  • Hiraki, Eiji (Electrical and Electronics Engineering, Yamaguchi University) ;
  • Inoue, Kenji (Engineering Aerospace Equipment Engineering Department, Shinko Electric Co., Ltd.) ;
  • Ahmed, Tarek (Electrical and Electronics Engineering, Yamaguchi University) ;
  • Nakaoka, Mutsuo (Electrical and Electronics Engineering, Yamaguchi University)
  • Published : 2002.03.01
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Abstract

This paper presents an active auxiliary edge-resonant DC link snubber with a ringing surge damper and a three-phase voltage source type zero voltage soft-switching inverter with the resonat snubber treated here for the AC servo motor driver applications. The operation of the active auxiliary edge-resonant DC link snubber circuit with PWM voltage is described, together with the practical design method to select its circuit parameters. The three-phase voltage source type soft-switching inverter with a single edge-resonant DC link snubber treated here is evaluated and discussed for the small-scale permanent magnet (PM) type-AC servo motor driver from an experimental point of view. In addition to these, the AC motor stator current and its motor speed response for the proposed three-phase soft-switching inverter employing Intelligent Power Module(IPM) based on IGBTS are compared with those of the conventional three-phase hard-switching inverter using IPM. The practical effectiveness of the three-phase soft-switching inverter-fed permanent magnet type AC motor speed tracking servo driver is proven on the basis of the common mode current in a novel type three-phase soft-switching inverter-fed AC motor side and the conductive noise on the mains terminal interface voltage as compared with those of the conventional three-phase hard-switching inverter-fed permanent magnet type AC servo motor driver for the speed tracking applications.

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References

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