For the first time, a power supply source of the classical design with a DC link and an inverter with IGBT transistors was used for MGDP-2,5 electromagnetic stirrers. As a result, it was possible to eliminate switching overvoltage, increase the mixing capacity and ensure high reliability of the power part.
Power supply and MGDP-2,5 electromagnetic stirrers operation modes control
RUSAL Krasnoyarsk JSC, Casthouse No.1, mixers 2A and 2B
Frequent failures of control boards
The coil works at a rated current
Automatic performance of the unit was improved
The problem of boards failure was eliminated