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DC-DC Power Converter Design for a Portable Affordable Welder System (PAWS)

Zackiewicz, Curt Stephen
http://rave.ohiolink.edu/etdc/view?acc_num=wright1300807818

Abstract Details

2011, Master of Science in Engineering (MSEgr), Wright State University, Electrical Engineering.
Arc welding machines are typically large, heavy devices that transform an alternating current (AC) input into a low-voltage, direct current (DC) output. Traditionally these high power devices have required steel and copper transformers that account for their bulky size and weight. While the cost of raw materials in electromagnetic components has been increasing the cost of high-power silicon devices has been decreasing. This disparity creates an opportunity for a cost-effective DC-DC switching welder in the consumer market. While DC-DC power electronics are not new to the welding industry, this study, under the commission of a welding equipment manufacturer, aims to develop and prototype a design specifically for an affordable and portable battery-powered welding machine. By eliminating the need for electromagnetic components for isolation and voltage regulation, and focusing on a DC-DC battery-powered device, a unique opportunity exists to create a high-feature product with a minimalist design. The design is implemented with a high-current voltage chopping circuit as well as an assortment of feedback, control, and safety circuitry necessary to complete the machine. By combining simulation, prototype validation and real-world cost limitations, this project outlines the development of a new product for the welding equipment market.
Marian Kazimierczuk, PhD (Advisor)
Marian Kazimierczuk, PhD (Committee Member)
Ronald Riechers, PhD (Committee Member)
Saiyu Ren, PhD (Committee Member)
98 p.
Electrical Engineering
DC-DC; PWM; high power switching supply; portable; welder

Recommended Citations

Citations

  • Zackiewicz, C. S. (2011). DC-DC Power Converter Design for a Portable Affordable Welder System (PAWS) [Master's thesis, Wright State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=wright1300807818

    APA Style (7th edition)

  • Zackiewicz, Curt. DC-DC Power Converter Design for a Portable Affordable Welder System (PAWS). 2011. Wright State University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=wright1300807818.

    MLA Style (8th edition)

  • Zackiewicz, Curt. "DC-DC Power Converter Design for a Portable Affordable Welder System (PAWS)." Master's thesis, Wright State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=wright1300807818

    Chicago Manual of Style (17th edition)

wright1300807818
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© 2011, all rights reserved.
This open access ETD is published by Wright State University and OhioLINK.