Study of Energy-saving Pulse Power for WEDM Based on Pulse Width Modulation

被引：0
|
作者：
Li, Chaojiang [1 ]
Bai, Jicheng [1 ]
Guo, Yongfeng [1 ]
Lu, ZeSheng [1 ]
机构：
[1] Harbin Inst Technol, Dept Mfg & Automat Engn, Harbin 150006, Heilongjiang Pr, Peoples R China
来源：
2009 ASIA-PACIFIC POWER AND ENERGY ENGINEERING CONFERENCE (APPEEC), VOLS 1-7 | 2009年
关键词：
WEDM; Energy-saving Pulse Power; PWM;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
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.
引用
收藏
页码：2399 / 2403
页数：5
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