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Expanding the Safe Operating Area of Polypropylene Dielectic IGBT Snubber Capacitors
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From Aerovox Corp.
Important developments of IGBT's (Insulated Gate Bipolar Transistors) in recent years have been focused on increasing power handling capability and increasing reliability including short circuit tolerance. Snubber capacitors have also undergone changes in construction enabling increased power handling and short circuit tolerance. This paper describes the maximum envelope for operation of the new generation Polypropylene snubber capacitors in IGBT inverter applications. Products & Services
Capacitors are electronic components used for storing charge and energy. In their simplest form, capacitors consist of two conducting plates separated by an insulating material called the dielectric.
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High voltage capacitors are used for storing charge and energy in high voltage applications.
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Film capacitors are insulated with polyester, polycarbonate, polypropylene, polystyrene, or other dielectric materials.
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Chip capacitors or surface mount capacitors do not have leads.
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Power capacitors are used in electrical distribution systems to provide a static source of leading reactive power.
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Topics of Interest
Inverter systems have advanced over the years and are the major area
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design is a simple bridge switching circuit (see Fig.
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S. Abedinpour, Ph.D. K. Shenai,
Ph.D.
Department of Electrical Engineering and Computer Science, University of Illinois at Chicago, 851, South Morgan Street (M/C 154),
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Electronic motor control for various types of motors represents one of the main applications for MOSFET drivers today. This application note discusses some of the fundamental concepts needed to obtain...
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