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A.C Motors Starters and D.G. set

We will study about internal construction, and working principles of single-phase and three-phase squirrel cage induction motors. The single-phase motors are not self-start. How a single-phase motor can be made self-start will be discussed in detail. Single phase induction motors such as split phase, capacitor start induction run, capacitor start capacitor run and shaded pole, etc. also will be discussed in detail along with figures. We will also have an exposure about direct on line (DOL) and star delta starters used to start and reverse the direction of rotation of squirrel cage induction motors. We know that in industries certain equipment need to be run continuously. In case of emergency breakdown of electric supply or power cut off, the production is seriously effected. So, the only and instant power of source, which could serve the purpose, is “Diesel Generator set”. This alternate source of power will be discussed in detail in this current unit.

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