In case you are wondering about the difference between 3 stage vs single phase AC motors, just remember this. Single phase AC motors usually are powered by a single phase source of power while 3 stage AC motors are powered by a three phase source of power. The single phase alternating current is the most common source of power used by many households and non industrial businesses. It is the power that is used to light homes and power TVs in THE UNITED STATES. Today, most commercial structures in the US use the 3 phase alternating current motors due to its versatility an power density. The 3 phase AC electric motor is specially common in large businesses which includes in the production and industrial businesses.
Data 3 Phase Ac Motor centers today have grown to be power intensive, to ensure that they can become able to offer storage and computing capabilities. It has resulted in the growth popular of power supply to meet up the needs of the data centers. The single phase alternating electric current power motor can’t meet up with the power needs of the data centers because it requires costly rewiring. Three phase alternating current power engine is economical to provide power to data center since it requires less conductor material to provide electrical power. This explains why 3 stage alternating current motor is utilized in electric transmission, generation and distribution in most countries worldwide. The single stage alternating electric current motor is much less reliable and more expensive to be utilized in a national electrical power grid in comparison to 3 phase alternating electric current motor.
Both 3 phase and solitary phase ac motors contain two parts, namely the rotor and stator. The stator is the part of the motor, which is stationary as the rotor is merely the rotating part 
of the motor.