Study of energy-saving pulse power for WEDM based on Pulse Width Modulation

Chaojiang Li*, Jicheng Bai, Yongfeng Guo, Ze Sheng Lu

*Corresponding author for this work

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Abstract

The energy efficiency of traditional pulse power for Wire Electrical Discharge (WEDM) is less than 25% because of the use of current-limiting resistance. The new type of energy-saving resistor-less pulse power proposed in this paper employs the structure of a dual-arm power amplifier, the strategy of single-arm Pulse Width Modulation (PWM) and the control mode of cutting off long-time short circuit. Heat generated by current-limiting resistance and useless power consumption caused by long-time short circuit is avoided, and therefore the energy efficiency is increased.

Original languageEnglish
Title of host publication2009 Asia-Pacific Power and Energy Engineering Conference, APPEEC 2009 - Proceedings
DOIs
Publication statusPublished - 2009
Externally publishedYes
Event2009 Asia-Pacific Power and Energy Engineering Conference, APPEEC 2009 - Wuhan, China
Duration: 27 Mar 200931 Mar 2009

Publication series

NameAsia-Pacific Power and Energy Engineering Conference, APPEEC
ISSN (Print)2157-4839
ISSN (Electronic)2157-4847

Conference

Conference2009 Asia-Pacific Power and Energy Engineering Conference, APPEEC 2009
Country/TerritoryChina
CityWuhan
Period27/03/0931/03/09

Keywords

  • Energy-saving pulse power
  • PWM
  • WEDM

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Li, C., Bai, J., Guo, Y., & Lu, Z. S. (2009). Study of energy-saving pulse power for WEDM based on Pulse Width Modulation. In 2009 Asia-Pacific Power and Energy Engineering Conference, APPEEC 2009 - Proceedings Article 4918791 (Asia-Pacific Power and Energy Engineering Conference, APPEEC). https://doi.org/10.1109/APPEEC.2009.4918791