BG Fernandes Department of Electrical Engineering II T - Power ...

e
e
i
i
α
β
α
β
=
=
V
V
S
S
cosψ
sinψ
= i cos ϕ + ψ
S
( )
= i sin ϕ + ψ
S
( )
i β i S
e β
V S
φ
ψ
i α e α
3
p = V i ψ ϕ+ ψ + ψ ϕ+
ψ
2 S S
{ cos .cos( ) sin .sin ( )}
= 3 V { cos( )}
3
S
iS ψ −ϕ− ψ = VSiS
cosϕ
2 2
Application of Power Electronics in Power Systems
B. G. Fernandes
109/454