Unformatted text preview: • R-L-C Series and Parallel Circuits When v = Vm sinωt, Circuits Just R circuit Just L circuit Just C circuit R-L series circuit R-C series circuit R-L-C series circuit R-L parallel circuit Current
i = Im sinωt i = Im sin(ωt - ) i = Im sin(ωt + ) i = Im sin(ωt-θ)
π π Phase
θ=0 θ= θ=
π π ω Voltage and Current
I= I=ω = I = ωCV = I= = Power factor
cos θ =1 sin θ =0 cos θ =0 sin θ =1 cos θ =0 sin θ =1 cos θ = sin θ = cos θ = sin θ = cos θ = sin θ =
:inductive :capacitive :series resonance θ = tan i = Im sin(ωt+θ) θ = tan ω I= = i = Im sin(ωt-θ) ( >) i = Im sin(ωt-θ) θ = tan I= = > < θ = tan ω I= = YV ⋅V cos θ = sin θ = R–C parallel circuit R-L-C parallel circuit i = Im sin(ωt+θ) θ = tan ω I= = YV ⋅V cos θ = sin θ = cos θ =
:inductive :capacitive :parallel resonance i = Im sin(ωt+θ) ( >) θ = tan I= ⋅V = YV sin θ = > < ...
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This note was uploaded on 04/05/2009 for the course ECE 307002 taught by Professor Kim during the Spring '09 term at Clemson.
- Spring '09