If you are wondering about the difference between 3 stage vs 3 Phase Ac Motor single phase AC motors, just remember this. Single stage AC motors usually operate on a single phase way to obtain power while 3 phase AC motors operate on a three phase way to obtain power. The single phase alternating electric current is the most typical source of power utilized by many households and non industrial businesses. It’s 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 flexibility an power density. The 3 phase AC electric motor is 
particularly common in huge businesses including in the manufacturing and industrial businesses.
Data centers today have become power intensive, to ensure that they can be able to offer storage and computing capabilities. This has led to the growth popular of power supply to meet up the needs of the data centers. The one phase alternating electric current power motor can no longer meet up with the power needs of the data centers since it requires costly rewiring. Three stage alternating current power electric motor is economical to provide capacity to data center because it requires less conductor material to provide electricity. This explains why 3 phase alternating current motor can be used in electric transmission, era and distribution in most countries globally. The single stage alternating current motor is less reliable and more costly to be utilized in a national electricity grid compared to 3 phase alternating electric current motor.
Both 3 phase and single phase ac motors consist of two parts, namely the rotor and stator. The stator may be the part of the motor, which is stationary as the rotor is simply the rotating area of the motor.