This paper examines the latest developments in energy management in heat treatment with a specific focus on electrical heating and tighter integration between the power supply and furnace control to maximize energy efficiency. It also discusses the use of IGBT (insulated-gate bipolar transistor) and SCR (silicon-controlled rectifier) based power supplies as energy-efficient alternatives to variable reactance transformers (VRTs) for powering electric vacuum furnaces.

electric vacuum furnaces, energy efficiency, IGBT-based power supplies, SCR-based power supplies, variable reactance transformers
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ASM International
Topics
Transformers Furnace components and supplies Vacuum furnaces
Issue Section:
Applied Technology