Mathcad - 04-05 - = A c 0.002 m 2 = N 260 = R 65 ohm =...

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V 267.676volt = V I R = I 4.118 amp = I MMF tot N = MMF tot MMF c MMF g + = MMF g 620.704 amp = MMF g Fluxreluct = For the gap: Flux 1.3 10 3 - × weber = Flux B A c = reluct gap μ 0 A c = μ 0 4 π 10 7 - henry m = MMF c 450 amp = free space permeability MMF c H length = For the core: H 450 amp m = From B-H curve, H is approximately 450 A/m SOLUTION gap 0.0012 m = length 1 m = B 0.65 tesla
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Unformatted text preview: = A c 0.002 m 2 = N 260 = R 65 ohm = Givens: Problem 4-5: Solution H can be found from B-H curve since B is known. Flux is BA. Find MMF drop across gap using reluctance, find MMF drop acros steel using H from BH curve....
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This note was uploaded on 03/26/2012 for the course ECET 231 taught by Professor Piller during the Spring '12 term at Purdue University-West Lafayette.

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