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AC Voltage Collapse - Power Systems Engineering Research Center

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Case 3: Two Lines Out<br />

3,000 MW transfer – 750 MW per line<br />

West<br />

East<br />

6000 MW<br />

1000 MVR<br />

6000 MW<br />

1000 MVR<br />

9000 MW<br />

1253 MVR<br />

1.00 PU<br />

1.00 PU<br />

3000 MW<br />

1200 MVR<br />

<strong>Voltage</strong> is 100% of rated<br />

(453 MVARs required by lines).<br />

East generator is at<br />

1,200 MVAR limit.<br />

7<br />

7

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