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v - Programa de Engenharia Elétrica - UFRJ

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4.4 Resultados <strong>de</strong> simulação 82<br />

4.0<br />

2.0<br />

i BT<br />

a<br />

(kA)<br />

0.0<br />

-2.0<br />

-4.0<br />

i AT<br />

a<br />

0.55 0.57 0.59<br />

t(s)<br />

0.61 0.63 0.65<br />

Figura 4.49: Correntes nos enrolamentos do transformador com núcleo <strong>de</strong> ferro da<br />

fase a.<br />

20.0<br />

(kV)<br />

10.0<br />

0.0<br />

v AT a<br />

-10.0<br />

-20.0<br />

v BT a<br />

0.55 0.57 0.59<br />

t(s)<br />

0.61 0.63 0.65<br />

Figura 4.50: Tensões nos terminais do transformador com núcleo <strong>de</strong> ferro da fase a.<br />

v BT<br />

v BT<br />

v BT<br />

ab bc ca<br />

25.0<br />

12.5<br />

(kV)<br />

0.0<br />

-12.5<br />

-25.0<br />

0.55 0.57 0.59<br />

t(s)<br />

0.61 0.63 0.65<br />

Figura 4.51: Tensões <strong>de</strong> linha na barra do sistema ca local.<br />

4.4.4 Caso 4: o Tap HVDC Bidirecional inserido em um<br />

Sistema HVDC completo

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