FIELD: electrical engineering. SUBSTANCE: drying kiln for electrical machine windings has heat-insulating shell with air ducts, inductor connected to frequency oscillator, radiator, and cycle control system; novelty is that kiln is provided with heater which is installed together with radiator and inductor within shell. Radiator is enclosed by inductor and is made in the form of perforated metal chamber provided with heat-insulated cover; in addition interconnected heat regulator and heat-sensing device are added to cycle control circuit and inserted in power circuit of heater and frequency oscillator. EFFECT: enhanced quality of winding insulation. 1 cl, 1 dwg
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