PRESENT INDUSTRIAL REQUIREMENTS FROM ELECTRONIC POWER SUPPLIES

00:00 05-06-2006

The purpose of an electronic power supply is to deliver regulated energy despite variations in the system energy or load. This is why it operates in a switching-mode, causing switching losses, in addition to the conduction losses. Today, the energy-saving conscious world needs however, switching converters operating with high efficiency,do not pollute the energy system with undesirable harmonics , give a low electromagnetic emission, and respond quickly to changes in the load. The consumers are from low-power portable electronics (like cellular telephones, PDA, etc) to high -power computers, telecom industry ,etc. How to realize a good efficiency in processing the energy in such a diversity of converters, will be the main focus of the lecture. Full-bridge, three-level or tripler solutions, hard-switching or soft-switching will be technical themes in this discussion. The lecture is intended for any electrical engineer with interest in electronics or electrical energy.

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