An electrical welding machine controlled by the digital current

Liang-Rui Chen, Shing Lih Wu, Tsair Rong Chen, Yan Ming Su

Research output: Contribution to journalArticle

Abstract

The traditional electrical welding machine has several disadvantages. For example, the efficiency of its transformer is not high, its volume weight is too much, and its output current cannot be controlled well. This paper proposes an electrical welding machine controlled by the digital current. It uses the technique of switching power supply and one chip microprocessor to control the output current. At last, the results show that this electrical welding machine's maximum average output current is 70A, its maximum average output power is 2.1KW, and the efficiency can attain 90%. In addition, the results indicate that the microprocessor can be used to more accurately control the quantity of the output current. After the practical test and verification, this system can be applied in electrical welding processing. Compared with the traditional electrical welding machine, this machine, which has been mended and improved, has the advantages of being light and being highly efficient.

Original languageEnglish
Pages (from-to)495-500
Number of pages6
JournalInternational Review of Electrical Engineering
Volume4
Issue number3
Publication statusPublished - 2009 Jan 1

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Welding machines
Microprocessor chips
Welding
Processing

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

Cite this

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An electrical welding machine controlled by the digital current. / Chen, Liang-Rui; Wu, Shing Lih; Chen, Tsair Rong; Su, Yan Ming.

In: International Review of Electrical Engineering, Vol. 4, No. 3, 01.01.2009, p. 495-500.

Research output: Contribution to journalArticle

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