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