A dc voltage drop is applied across the capacitor

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Unformatted text preview: A 5 mm thick semi-infinite steel plate is subject to a tangential field created by a coil, H = 2644.1 A/m at a frequency of 50 Hz. The material conductivity, σ is 5 x 106 S/m. The B-H curve is defined by the equation B = H/(a+b |H|), where a = 156, b = 0.59. η, a geometry constant, is given to be 10.016. Compute the eddy current loss. Figure 220.1 Thick Steel Plate Problem Sketch and Finite Element Model Material Properties µ = 4 π * 107 H/m σ = 5.0 x 106 S/m Geometric Properties d = 2.5 mm (half thickness of plate) dx = d/6 (plate width) dy = d/6 (coil height) η = 10.016 Loading H = 2644.1 A/m (imposed H-field) f = 50 Hz ANSYS Verification Manual . ANSYS Release 9.0 . 002114 . © SAS IP, Inc. 1–508 VM220 Analysis Assumptions and Modeling Notes A nonlinear harmonic analysis is performed with PLANE53. The command macro POWERH is used to calculate the power loss in the plate. Verification was performed by comparing the ANSYS results to those obtained through the use of the univers...
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This note was uploaded on 12/09/2010 for the course DEPARTMENT E301 taught by Professor Kulasinghe during the Spring '09 term at University of Peradeniya.

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