FIELD: electrical engineering, namely electric heating apparatuses with active induction load, circuits for connecting with AC source, namely in modes for heating with constant surface temperature (accelerated heating), with power change according to special program (optimal heating modes), for gradient heating.
SUBSTANCE: installation provides possibility for flexible control of heating mode. Installation includes at least two sections of winding placed in butt one to other and connected mutually in parallel. Electric current linear load of said sections is controlled due to changing conditions of combined resonance for each section of winding separately by selecting resistance of capacitor batteries.
EFFECT: possibility for heating blanks at heating modes with different properties and parameters.
3 dwg
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