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1. A 345-kv OCB rated 25,000, was tested extensively at the Philip Sporn Station of the AEP system for performance on both line-dropping and fault-interruption duty. 2. The full-scale tests demonstrated the adequacy of the breaker over an extremely wide range of fault conditions and for line-charging current-switching duty up to and beyond the present maximum lineswitching requirements of the AEP...
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