Motor winding heating and drying circuit with welding transformer

Published:2012/9/19 3:34:00 Author:Ecco | Keyword: Motor winding, heating , drying , welding transformer | From:SeekIC

For three - phase motor, the heating single phase power supply should be controlled about 110V, it can use a welding transformer to reduce the power supply voltage to 380V or 220V and access to the three-phase stator windings connected in series, and the circuit is shown in Fig. A stator winding current ( measured by the ammeter A ) is 70 % to 80% of the rated motor current, when it is energized 7 to 8 hours, the motor will be dried.



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