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EPRI programs on AC to DC Line Conversion

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MW gain for bipole with metallic return?<br />

A<br />

B<br />

C<br />

+ A<br />

B<br />

C<br />

Let:<br />

k =<br />

pf = ac power fac<strong>to</strong>r<br />

r ac =<br />

Then:<br />

Pbipole =<br />

Pac 2k√2 1<br />

3pf rac x<br />

For k=1, pf = 1, rac =70%<br />

Pbipole = 1.18<br />

P ac<br />

V dc<br />

2V ac l-g crest<br />

MW ac actual<br />

MW maximum

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