Branch: : Aeronautical Engineering
The conversion of electrical energy into mechanical energy has been and continues to be a dominant form of power transmission for industrial purposes. The alternating current (AC) electric
induction motor has been an industry workhorse for electro-mechanical conversion for over 100 years. This tutorial willintroduce the user to the fundamental electrical and mechanical
principles of AC electric induction motor design and application.Specific emphasis will be given to pump applications.
Electromechanical energy conversion involves the interchange of energy between an electrical system and a mechanical system through the medium of a coupling magnetic field. When the
conversion takes place from electrical to mechanical form, the device is called a motor. The primary quantities involved in the electrical system are voltage (E) and current (I), while the
analogous quantities in the mechanical system are torque (T) and speed (w),respectively. Figure 1 shows a block representation of this energy conversion for motor action.
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