A Modern Representation of the Flow of Electromagnetic Power - Hsu, Hsin-I
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A comprehensive and rigorous description of instantaneous balance of electromagnetic power defined as the derivative of energy with respect to time is offered by the Poynting s theorem. Such theorem is expressed as the sum of a series of volume integrals representing the volume densities of densities of different components of electromagnetic power and the power flow through the general surface surrounding the entire domain in which the Poynting s vector expresses the instantaneous power leaving the domain (the positive normal is the outward normal to the enclosing surface). For the moving…mehr

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Produktbeschreibung
A comprehensive and rigorous description of instantaneous balance of electromagnetic power defined as the derivative of energy with respect to time is offered by the Poynting s theorem. Such theorem is expressed as the sum of a series of volume integrals representing the volume densities of densities of different components of electromagnetic power and the power flow through the general surface surrounding the entire domain in which the Poynting s vector expresses the instantaneous power leaving the domain (the positive normal is the outward normal to the enclosing surface). For the moving points (rotors) involved in electromechanical energy conversion, the surface of integration is driven together with them and and remain substantially constant. Then the balance of energy (and power) can be written at each infinitesimal time interval for the electromagnetic energy in which case the elementary mechanical work is produced by mechanical forces of electromagnetic origin. The thermalenergy accounts for the Joule (and hysteresis) losses in the system. A treatment of the flow of electromagnetic energy is given for a complete of illustrative relationship in time and frequency domain.
Autorenporträt
Hsin-I Hsu has received her BS degree and Program for Photonics Technologies certification in 2008 from National Taiwan University. She also has obtained her MSE in Electrical and Computer Engineering from University of Texas at Austin in 2011. Since then, she has worked as a patent Engineer at Raj Abhyanker P.C..