RELIABILITY ASSESSMENT OF POWER THYRISTORS USED IN POWER SUPPLIES FOR INDUCTION HEATING TECHNOLOGIES
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- TITLE: RELIABILITY ASSESSMENT OF POWER THYRISTORS USED IN POWER SUPPLIES FOR INDUCTION HEATING TECHNOLOGIES
- ABSTRACT: Determining the reliability of power sources for induction technology is a complex task given the diversity of schemes solutions, technology applications and operating conditions. Trustworthy results for the dependability of power supplies for induction technologies are obtained by the using of operational reliability. For its determination has needed to create a database for electrical and thermal operating by specific environment conditions. Most important parameter is a temperature in cooling system of the power semiconductors. In this paper is considered reliability of power semiconductors in dependency of thermal resistance of heat sink and water flow through it. The results indicate the probability of failure of the power semiconductors in dependency of water flow through the aluminium or copper heat sink.
- PAGES: 101-
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