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Analisis Rangkaian Elektrik - Ee-cafe.org

Analisis Rangkaian Elektrik - Ee-cafe.org

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v [V]i [A]3020100-10-20-30v sv0 i 2 4 6 8 10t [s]COTOH-2.7: Pada rangkaian di samping ini, v s = 10cos5t u(t) V.Tentukanlah teganganAkapasitor v untuk t > 0,jika tegangan awalkapasitor dan arusawal4Ω+6Ω +vinduktor adalah nol.s− Bv0,25F −Penyelesaian:1H⎛ 1 1 ⎞ 1 dv vsvBSimpul A : v⎜+ ⎟ + − − = 0⎝ 4 6 ⎠ 4 dt 4 6dv→ vB= 2,5v+ 1,5 − 1,5vsdtv 1Simpul B : Bv+ (0) 0 6 06 ∫vBdt+ iL− = → vB+6 ∫vBdt− v =Ldv⎛⎞ ⎛⎞→ B dv d dvdv dv+ 6vB− = 0 → ⎜2,5v+ 1,5 −1,5vs ⎟ + 6⎜2,5v+ 1,5 −1,5vs ⎟ −dt dt dt ⎝ dt ⎠ ⎝ dt ⎠ dt2d v dvdv→1,5+ 10,5 + 15v= 9vss + 1, 5 atau2dt dtdt2d v dvdvv v s2sdt+ 7 dt+ 10 = 6 + dtDengan tegangan masukan v s = 10cos5t maka persamaan rangkaianmenjadi=48 Sudaryatno Sudirham, <strong>Analisis</strong> <strong>Rangkaian</strong> Listrik (2)

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