Devoir #2 - ELE1403Hiver2009 Devoir2corrig Exercice 4.78,...

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ELE1403 Hiver 2009 Devoir 2 corrigé () ( ) 88 5 3 0 V 888 7,0 8 11,3 45 8 75 8 1 8 TH TH j V jj R +∠ == +− D D D ± Ω Exercice 4.78, page 213
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() 2 2 2 2 2 V 14,14 A 5 5 7,07 1000 W 1000 var 1000 var 100 10 1000 1 11 265 μ F 10 377 s s L LL L L CL s C C s C C C P P C = 100 - 90 100 -90 100 - 90 -135 Rj X j 4 5 PR QX QQ Q X X Q X C C X ω ∠∠ = === ++ == =− = = −Ω = −× D DD D D Exercice 7.19, page 396 a) V V I I I V V b) 2 2 22 V 5 530,5 μ F 5 377 s L CC L S C = 100 - 90 XX C X = = = D V I I II
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() 1 1000 10,4 A 120 0,8 1000 1052,6 VA 0,95 1052 8,8 A 120 tan cos 1000 tan sm m m m m mm s s s ss s s s s m Sans le condensateur : PP f p P fp Avec le condensateur : P S fp S S QP f p == × = = × × = = = + = × + ±± ± ± ± Exercice 7.20, page 396 VI II V I V 1 11 22 2 cos 0,8 750 var sin cos 1052,6 sin cos 0,95 328,7 var 328,7 750 421,3 var 120 34,18 421,3 1 78 μ F 377 34,18 s Csm CC C C QS f p QQ Q QX XQ XC CX ωω −− = + = × + = =− = = =⇒ = Ω = ⋅− VV 2 2 ) : 380 3 21,9 A 10 : 380 38 A 10 ) : 3 10 21,9 14388 W : 3 10 38 43320 W a Étoile Triangle b Étoile Triangle = =
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This note was uploaded on 04/21/2009 for the course ELE ELE1403 taught by Professor Khaled during the Spring '09 term at NYU Poly.

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Devoir #2 - ELE1403Hiver2009 Devoir2corrig Exercice 4.78,...

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