As the power requirements of single load systems are usually small, all our homes, offices are given a single-stage A.C. supply only. To get correct working Single Phase Ac Motor circumstances using this single-phase supply, compatible motors need to be used. Besides becoming compatible, the motors need to be economical, dependable and simple to repair. One can find all of these characteristics in one phase induction motor easily. Similar to three-phase motors but with some modifications, single-phase induction motors certainly are a great choice 
for household appliances. Their simple style and low cost possess attracted many applications.
Single-phase induction motors will be the simple motors which operate on single -stage A.C. and in which torque is produced because of induction of electricity due to the alternating magnetic fields