Abstract
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.
Highlights
Electrical discharge machining (EDM) is a non-II
The aim of this work is to develop a synchronous converter employed as an output stage in an EDM power supply, whose previous stage is a series-parallel resonant converter designed as a current source, allowing the modification of the frequency, the duty cycle (d in Fig. 1) and
Material is removed from In this work a topology accomplishing the following the workpiece by a series of repeated electrical discharges conditions is sought: between the electrode and the workpiece, both in
Summary
Electrical discharge machining (EDM) is a non-. Material is removed from In this work a topology accomplishing the following the workpiece by a series of repeated electrical discharges conditions is sought: between the electrode (tool) and the workpiece, both in. It must be capable of supplying the load with different presence of a dielectric fluid and separated a distance called AC frequencies. It should include duty cycle adjustment capability. By means of a pulsed power supply, short-duration
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