A (69-mathrm{kV}) circuit breaker has a voltage range factor (mathrm{K}=1.25), a continuous current rating of (1200 mathrm{~A}),
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A \(69-\mathrm{kV}\) circuit breaker has a voltage range factor \(\mathrm{K}=1.25\), a continuous current rating of \(1200 \mathrm{~A}\), and a rated short-circuit current of 19,000 A at the maximum rated voltage of \(72.5 \mathrm{kV}\). Determine the maximum symmetrical interrupting capability of the breaker. Also, explain its significance at lower operating voltages.
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Related Book For
Power System Analysis And Design
ISBN: 9781305632134
6th Edition
Authors: J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
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