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Ejercicio a

En vaco:

P0=Vx I0x cos0 Rfe=

V1

Ife

V=aV0 Rfe=

15000

0,266

I=I

0

a RFe=56,39K

P0=

15000

250(250)

80

60cos

0

I=I0x sen0

5000=15000

250(250 )

80

60cos

0

I=1,33xsin78,46

cos0=

0,2 I=

1,30A

Ife=I0 cos0

X=V1

I

Ife=1,33(0,2)

X=15000

1,30

Ife=0,266A X=11,52K

En cortocircuito:

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Pcc=Vccx I1nx cos0 Rcc=VRcc

I

5000=600 (250000

15000

)cos0

Rcc=

300

16,66

cos

0=0,5

R

cc=18,0072

VRcc=Vicccoscc

Xcc=Vxcc

Iin

VRcc

=600(0,5) Xcc=

519,61

16,66

VRcc=300V

Xcc=31,18

VXcc=Vicc sencc

VXcc=600 sen60

VXcc=519,61V