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Over the years, the isolated-phase bus has received widespread application in connecting the output of generators to step-up transformers. The trend toward generating units of larger capacity has dictated the need for higher rated isolated-phase bus designs. The increased losses associated with the higher capacity bus may be significant in the economic evaluation of alternate schemes or selection of equipment. The bus designer must know the magnitude and distribution of losses in order to keep temperature rises of bus components within the limits specified in USA Standard C37.20. In addition, the losses must be known to permit proper sizing of forced-cooling equipment whenever it is used.Various papers have been presented that deal with the determination of losses in isolated-phase bus enclosures. The difference in the results obtained for the same bus using various methods is of sufficient magnitude to cause concern. The industry has indicated the need for a guide for calculating losses to establish a common yardstick for establishing, evaluating, and applying different designs.

Eddy currents (Electric)

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The book, consisting of 6 chapters, studies motion-induced eddy current techniques for non-destructive testing and evaluation by considering: forward simulation methods; sensors for MIECT; experiments and LET measurements; Lorentz force evaluation and non-destructive applications.

Nondestructive testing. --- Eddy currents (Electric)

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Foucault, Courants de --- Courants électriques --- Eddy currents (Electric) --- Electric currents --- Courants électriques

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This work is a collection of papers on electromagnetic nondestructive evaluation. It discusses developments in the growing field of electromagnetic nondestructive evaluation methods. Topics include evaluation of degradation mechanism in magnetic materials.

Nondestructive testing --- Magnetic testing --- Eddy currents (Electric) --- Electric currents --- Capteurs, senseurs, detecteurs --- Essai de materiaux electromagnetiques --- Problemes inverses (physique theorique)

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This monograph addresses fundamental aspects of mathematical modeling and numerical solution methods of electromagnetic problems involving low frequencies, i.e. magnetostatic and eddy current problems which are rarely presented in the applied mathematics literature. In the first part, the authors introduce the mathematical models in a realistic context in view of their use for industrial applications. Several geometric configurations of electric conductors leading to different mathematical models are carefully derived and analyzed, and numerical methods for the solution of the obtained problems are given. Related issues such as convergence of the approximations and error estimates are discussed. The second part of the monograph presents various coupled problems that involve eddy current or magnetostatic problems, in particular magneto-hydrodynamic problems and magnetic shaping problems concerning the melt flow of electrically conducting metals, induction heating processes, inductively coupled plasmas and ferromagnetic screening modeling. The presentation of each model comes with numerical illustration from industrial applications.

Eddy currents (Electric) --- Harmonic analysis. --- Time-series analysis. --- Mathematical models. --- Eddy currents (Electric) -- Mathematical models. --- Mathematics. --- Computer mathematics. --- Physics. --- Applied mathematics. --- Engineering mathematics. --- Computational Science and Engineering. --- Numerical and Computational Physics. --- Appl.Mathematics/Computational Methods of Engineering. --- Analysis of time series --- Autocorrelation (Statistics) --- Harmonic analysis --- Mathematical statistics --- Probabilities --- Analysis (Mathematics) --- Functions, Potential --- Potential functions --- Banach algebras --- Calculus --- Mathematical analysis --- Mathematics --- Bessel functions --- Fourier series --- Harmonic functions --- Time-series analysis --- Electric currents --- Computer science. --- Numerical and Computational Physics, Simulation. --- Mathematical and Computational Engineering. --- Engineering --- Engineering analysis --- Informatics --- Science --- Natural philosophy --- Philosophy, Natural --- Physical sciences --- Dynamics --- Computer mathematics --- Electronic data processing