Insulation performance under switched voltage waveforms

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Insulation performance under switched voltage waveforms

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Published

The increasing use of IGBT-controlled pulse-width modulated voltage waveforms for motor drive applications has prompted many studies to evaluate their impact on motor insulation system performance. This article provides an overview of the issues raised by examining the individual contributions of the various waveform features.

Inspec keywords: DC-AC power convertors; insulated gate bipolar transistors; AC motor drives; machine insulation; switching circuits; power bipolar transistors; PWM invertors

Other keywords: invertor-fed motors; IGBT-controlled PWM voltage waveforms; waveform features; motor insulation system performance; AC motor drive applications

Subjects: Dielectric materials and properties; Insulated gate field effect transistors; Power convertors and power supplies to apparatus; Insulation and insulating coatings; a.c. machines; Power semiconductor devices; Drives; Bipolar transistors

http://iet.metastore.ingenta.com/content/journals/10.1049/pe_20000402
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