The converter is developed specifically for operation under conditions of casthouse production. It allows to perform smooth control of heating of mixer roofs with the use of the phase control method. It is applied under conditions of increased dust content and high ambient temperatures (up to +60°C). The types of powered heaters are the arch roof and tubular electric heaters.
Change of outdated equipment for mixer heating control with the aim to increase reliability and accuracy of output voltage control for a further changeover to tubular heaters
RUS-Engineering LLC for RUSAL Krasnoyarsk JSC, Casthouse No. 3, mixer No. 4