High-Frequency Micro-Arc Oxidation High Power Supply with Fully Digital Control

doi:10.3969/j.issn.1000-565X.2011.03.012

Journal of South China University of Technology (Natural Science Edition) ›› 2011, Vol. 39 ›› Issue (3): 58-61.doi: 10.3969/j.issn.1000-565X.2011.03.012

• Electronics, Communication & Automation Technology • Previous Articles Next Articles

High-Frequency Micro-Arc Oxidation High Power Supply with Fully Digital Control

Du Gui-ping¹ Xiang E² Zhang Wei-lin²

1. South China university of technology electricity institute, guangdong guangzhou 510640; 2. Guangzhou electrical science research institute, guangdong guangzhou 510300

Received:2010-04-21 Revised:2010-07-30 Online:2011-03-25 Published:2011-02-01
Contact: 杜贵平(1968-)，男，博士，研究员，主要从事电力电子装置及控制技术研究 E-mail:gpdu@scut.edu.cn
About author:杜贵平(1968-)，男，博士，研究员，主要从事电力电子装置及控制技术研究
Supported by:
国家自然科学基金资助项目(50977033)；国家“十一五”科技支撑项目(2008BAF34B09)；广东省自然科学基金资助项目(7004271)

Abstract

Abstract:

Proposed in this paper is a high-frequency power supply with fully digital control for micro-arc oxidation.The authors introduce the structure and working principle of the system,and describe the design of two-stage full-bridge inverter with PWM for multi-characteristic output in detail.With the adoption of fully-digital DSP control,the system can output multi-characteristic waveforms as desired.Experiment and operation results show that the proposed power supply fully meets the requirements of micro-arc oxidation and is capable of outputting waveforms with variable frequency and amplitude.

Key words: fully digital control, high power supply, micro-arc oxidation, pulse width modulation

Du Gui-ping Xiang E Zhang Wei-lin. High-Frequency Micro-Arc Oxidation High Power Supply with Fully Digital Control[J]. Journal of South China University of Technology (Natural Science Edition), 2011, 39(3): 58-61.

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High-Frequency Micro-Arc Oxidation High Power Supply with Fully Digital Control

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