fall 2006 test3a - Test“ # 3A EEL 3111C _ Fall mus...

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Unformatted text preview: Test“ # 3A EEL 3111C _ Fall mus " DnS'riyastaya- __________________________________ -- ' _ First Name'- Last Name {1) Consider the following circuit in frequency domain: Both the souroes Ihaye oil-Hz frequency. 15 (a). Write all the equations necessary for nodal analysis. Use the reference node 1: - and nodal voltages already shown. - :3 “- y ~ V "— For " *i -l-‘ L 3+ EL}: 1 if (,1) '10 J1” l-or N - ‘IA—V! :— 24: Log“, H F Jul) 1'"\._ rm. m .m V “V a" 3 1 V r— \r 41"?" anew—.5 1d "i‘ffl F.) 1i" in? J He: 15 {b} Write all the equations necessary for mesh analysis using flash currents already shown. . n, r": a, - if Lip—#14:! — s r U} rm; fl: ' FL FL 'L in] "I.IE -~ 2:? Ali-{g +-1Q_C_ Elf-lg ) +jie; lit—o F's. FL. m. a ; — - a 15:.) lo III J Il-ca '15 4-") lo:- I; I: I Continued ---------- _,_ 21] [c] Find wit} from any of the above twu mathads. Saar/PU M-EE‘B‘ W} orggm (LP-‘35:“? A .—-— 2r .2. E} T. 1554.25; if??? ‘90 1 'Id' 11;“ 3:3,) fir a \JU: C; ‘33 4L1 ‘1 V v: r: 5; : 25703545190!“ 1 . N ”y j; lliéémfi Y; “Q $32.3; é 8974*" V 10- {2] A source operating at GE! Hz provides power to three loads as follows: Load A: 4D INA @pf= [LE tagging, Load B: St] aw @ pf = EL? lagging, Load (3: 2t] k‘UAR @ pf = 0.?5 leadifi. lfl [a] Find the total complex power provided by the source. _ e 419 4 eg‘ema : 4e 4 3am“ 14% EUR 11 #1 Huh N Cu 0:?- : U. gig: fi-IFJ 3 ):}I14jl ngfSEkw 211?; AleK‘f'fi FL .15? _—- Ah 7: a S = f?” n a we ’3' 1e”. Ctfilarega = ‘50}? L ’4" i ‘ fiék: we?) Laefifikva, : tease—35g wave 1!} {b} 1|What is the equivalent impedance seen by the source”? 1‘. .néae1 WW :1 L4ng 0,}61 .— n. S a file 2:: 1.W+Jakaéi ="‘-6"443" 5' Whatie the power factor seen by the aomee‘? - I + pf :. Curl; 11?” = firms” 9% Continued ....... -- 4h 11] {d} Determine the capacitance necessary to correct the-power factor to {1.93. c: W) n. \JL U.) rim-1; wager-3’ [Orl‘i‘ic @3193 a; (5124.3)i-s: savages CL. 1 so»? P H] {e} Find the source FMS current p asors before and after the pf correction. C1: was A” I U ’3 I : E _—_ a *‘LWE 'V LIE—{er “r” «1:11.469 (5 7 j = 26915— mfififl’m ,3: W I I W {Q :_ P135” z: .20, signing 4 rec“ "If +ITI_‘1__1c. s Hog- — _ W 1-51" .T :flqlé APPLE: fly 5 {f} If the daily expenses in line losses were $1M} before the pf correction, find the expenses associated 1with nail}:r line losses after the correction. PM =— 75”; Rhos L . n @4249 Hog NW Esfikila'nS-EE ~— -.:F- # Ca" @311” ...
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fall 2006 test3a - Test“ # 3A EEL 3111C _ Fall mus...

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