Electric Power Converters – Introduction: Importance Of Reliable Power Converters – Various Types Of Reliable Power Converter – Main Types Of Power Electronic Converter – Electrical Machines – Summary And Conclusion – Fault Mechanism – Introduction: Failure Of Electric Power Converters – Catastrophic Failure – Failure Factors – Thermal Shock – Electric Breakdown – Environmental Factors – Mechanical Factors – Mechanical Aux Systems – Summary And Conclusion – Reliability Calculation – Reliability Prediction – Introduction: Reliability Prediction – Probabilistic Tool – Reliability And Probability – Reliability Models – Components Reliability Evaluation – Summary And Conclusion – Thermal Analysis – Introduction: Failures Due To Thermal Problems – Method Of Heat Transfer – Thermal Analysis Using Finite Element Method – Insulation Class – Summary And Conclusion – Reliability Measurement – Introduction – Effect Of Test On Equipment – Mechanical Tests – Environmental Tests – Summary And Conclusion – Methods For Preventing Faults – Reliability As A Figure Of Merit – Introduction – Reliability Oriented Approach – Reliable Or High Performance .