Converter With Four Quadrant Switches for EDM Applications
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AuthorBaizán González, Javier; Navarro Crespín, Alejandro; Casanueva Arpide, Rosario; Azcondo Sánchez, Francisco Javier; Brañas Reyes, Christian; Díaz Rodríguez, Francisco Javier
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IEEE Transactions on Industry Applications, Vol. 50, N. 6, november/december 2014, DOI:10.1109/TIA.2014.2311501
Institute of Electrical and Electronics Engineers Inc.
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This paper presents a high-frequency rectifier stage using four quadrant switches as synchronous rectifiers for an electrical discharge machining (EDM) power supply. The EDM impulse generator is a series–parallel resonant inverter operating in current-mode. The device specifications and drive requirements of the converter are studied with the objective of generating unipolar and bipolar current waveforms suitable for different types of EDM operations.