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Motor Definition & Meaning An AC motor is an electric machine that converts alternating current into mechanical rotation. AC motor applications range from industrial bulk power conversion from electrical to mechanical to household small power conversion. In this article, let us briefly discuss an AC motor’s various traits and working. The second, or power, component of the current is in phase with the voltage applied to the stator, while the first, or magnetizing, component lags the applied voltage by a quarter cycle, or 90°. At rated load, this magnetizing component is usually in the range of 0.4 to 0.6 of the magnitude of power component. So-called quartz analog wristwatches contain the smallest commonplace stepping motors; they have one coil, draw little power, and have a permanent magnet rotor. A rotor is a central component of a Motor that is fixed to the shaft. The most common type of rotor used in an AC motor is the squirrel cage rotor. A squirrel-cage rotor is cylindri