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Hears and Hands

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Submitted By ronol3
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Jonathan Frost 1-8-14 Single Phase AC Motors Single phase AC motors are a type of motor that is what the name implies which is one phase. In a single phase AC motors, a single phase motor has voltage and it splits into two phase currents to create a rotating magnetic field to generate the rotor. There are four different types of single phase AC motors and they are called split phase, capacitor, shaded pole, and repulsion. Capacitor and shaded pole is the most common motors they have. A capacitor run motor is connected between a main and auxiliary winding to create a phase shift in between the windings and a rotating flux. Split phase has main and auxiliary winding a centrifugal switch open and remove the auxiliary winding. It reverses at low speed, relatively cheap cost, and it has rapid acceleration. A single coil of a single phase motor doesn’t produce a rotating magnetic field, but a pulsating field could reach maximum intensity at 0 degrees and 180 degrees electrical. A single phase current and can produce two counter rotating magnetic field phases. Permanent-split capacitor motor have one way to solve a single phase problem is to build a 2- phase motor. It requires a motor with 2 windings spaces away 90 degrees electrical and displace two phases of current with 90 degrees in time. Permanent – split capacitor motor has increased current magnitude and also has a backwards time shift as the motor generates the speed pace. The motor works well up to ¼ horsepower which is 200 watts. Single phase motors have coils embedded into the stator for bigger sized motor has lesser complex to build windings with salient poles. A larger capacitor may be used to start a single phase motor through a auxiliary winding if it was switched up by a centrifugal switch once the motor is up to speed. The capacitor motor works so well that it is available

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