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This document discusses failures in the stators of three-phase traction motors used in Indian Railways locomotives. It analyzes failure data which shows the highest failure rates are in stators. The main causes of stator failure are insulation and joint failures in unsupported overhangs, due to excessive shock and vibration. Modifications are proposed to support overhangs and improve insulation, based on studies of literature and designs from other manufacturers. Finite element analysis confirms supporting

Author

Sridhar Narayanan

Language

EN