lect4 - Lecture 4 - EE743 Lecture 4 - EE743...

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Unformatted text preview: Lecture 4 - EE743 Lecture 4 - EE743 Electromechanical Energy Conversion Professor: Ali Keyhani Professor: Ali Keyhani 2 Electromechanical Energy Conversion The electromechanical energy conversion theory allows the representation of the electromagnetic force or torque in terms of device variables, such as the currents and the displacement of the mechanical systems. An electromechanical system consists of an electric system, a mechanical system, and a means whereby the electric and mechanical systems can interact. 3 Electromechanical Energy Conversion Consider the block diagram depicted below. Electric System Coupling Field Mechanic System W E = W e + W eL + W eS Energy supplied by an electric source Energy transferred to the coupling field by the electric system Energy losses of the electric system. Basically, I 2 R Energy stored in the electric o magnetic field 4 Electromechanical Energy Conversion The energy transferred to the coupling field can be represented by W W M = = W W m + + W W mL mL + + W W mS mS Energy supplied by a mechanical source Energy transferred to the coupling field from the mechanical system Energy losses of the mechanical system Energy stored in the...
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lect4 - Lecture 4 - EE743 Lecture 4 - EE743...

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