Item 1-phase I.M. Poly-phase I.M. Construction Simple Complex Cost Economical Higher Power Factor Poor Better Torque Less Higher Maintenance Low High Starting Not-self starting Self-starting Efficiency Low High Starting torque Low High Reliability Reliable for small power ratings Reliable for large power ratings Starting capacitor Required Not-required Applications Ceiling fan, A.C., Washing machine Sugarcane juice machine etc. Air compressor, Blower, Industrial fan etc.
