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maquinas de corriente alterna.pdf - Universidad Tecnológica de ...

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3.7. Transitorios en la máquinas <strong>de</strong> inducción 251<br />

I ′ 2<br />

+<br />

Z cI ′ 2<br />

′<br />

− +<br />

2<br />

V ′<br />

2<br />

−<br />

1<br />

− +<br />

V 1<br />

I 1<br />

I L = I 1 + I ′ 2<br />

Figura 3.63: Motor monofásico con con<strong>de</strong>nsador <strong>de</strong> arranque.<br />

I ′ 2 = 1 √<br />

2<br />

(−jI ′ fs + jI′ bs ),<br />

V ′<br />

2 = V 1 − 1 √<br />

2<br />

Z c (−jI ′ fs + jI′ bs ).<br />

A<strong>de</strong>más:<br />

V fs ′ = V 1 + jV 2<br />

′<br />

√ ,<br />

2<br />

(<br />

V 1 + j V ′<br />

V fs ′ =<br />

1 − 1<br />

)<br />

√<br />

2<br />

Z ′ c (−jI′ fs + jI′ bs ) √ ,<br />

2<br />

V fs ′ = V 1<br />

√ (1 + j) − Z′ (<br />

c I<br />

′<br />

2 2 fs − I bs<br />

′ )<br />

.<br />

bs = V 1 − jV 2<br />

′<br />

√ , 2<br />

V ′<br />

V ′<br />

bs =<br />

V 1 − j<br />

(<br />

V ′<br />

1 − 1 √<br />

2<br />

Z c (−jI ′ fs + jI′ bs ) )<br />

√<br />

2<br />

,<br />

V bs ′ = V 1<br />

√ (1 − j) − Z′ (<br />

c I<br />

′<br />

2 2 bs − I fs<br />

′ )<br />

.

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