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estudio y análisis de soluciones topológicas de convertidores cc - cc ...

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Anexo II<br />

Tensión aplicada a las bobinas<br />

V L1 ( t) := VB if 0 ≤ t ≤<br />

Vc<br />

−<br />

nF<br />

if<br />

d⋅T<br />

d⋅T<br />

< t ≤ T<br />

V L2 ( t) := VB if 0 ≤ t ≤<br />

Vc<br />

−<br />

nF<br />

if<br />

d⋅T<br />

d⋅T<br />

< t ≤ T<br />

60<br />

V L1<br />

( t)<br />

V L2<br />

( t)<br />

36<br />

12<br />

12<br />

36<br />

0 2 .10 6 4 .10 6 6 .10 6 8 .10 6<br />

60<br />

t<br />

Cálculo <strong>de</strong> corrientes<br />

Inductancia magnetizante<br />

L A = 7.483× 10 − 6 H<br />

Corriente promedio<br />

<strong>de</strong> salida c/ Fbk<br />

I of :=<br />

Po<br />

2⋅Vc<br />

I of = 0.625A<br />

VB⋅<br />

d⋅T<br />

∆i :=<br />

L A<br />

Primario<br />

I of<br />

I maxfs :=<br />

( 1 − d)<br />

I maxfs = 3.176A<br />

1<br />

∆i s := ∆i⋅<br />

nF<br />

Secundario<br />

Definición <strong>de</strong> las corrientes<br />

I 1 ( t)<br />

:=<br />

∆i s ⋅nF<br />

d⋅T<br />

⋅t<br />

+<br />

I maxfs ⋅nF<br />

−<br />

∆i s ⋅nF<br />

2<br />

I 2 ( t)<br />

−∆i s<br />

:= ⋅( t − d⋅T)<br />

+ I<br />

( 1 − d) ⋅T<br />

maxfs +<br />

∆i s<br />

2<br />

285

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