Electric Railways a Treatise On the Modern Development of Electric Traction in
Electric Railways a Treatise On the Modern Development of Electric Traction in
Ill American School Chicago
The book Electric Railways a Treatise On the Modern Development of Electric Traction in was written by author Ill American School Chicago Here you can read free online of Electric Railways a Treatise On the Modern Development of Electric Traction in book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Electric Railways a Treatise On the Modern Development of Electric Traction in a good or bad book?
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Where no such natural water supply is available, it has become customary to provide means for artificially coolino- a sufficiently large supplv of water for condensation. One method is to erect a numijer of towers, so constructed that the water when pimiped to the top will fall through a structure that breaks the water up into fine spray as it falls, thus alU)wing it to cool by evaporation so that it can be used again for the condensers when it arrives at the bottom of the tower. AVhere more ro...om is a^•ailable, ponds are sometimes excavated near the power house, and the water is made to flow back and forth through a series of troughs located above the pond, and it is thus cooled^ Where a power station is of the direct-current type, operating at 500 to 600 volts, it is desirable to have it as near the center of electrical distribution as possible, in order to keep down the amount of investment in the feed wire; but it is more important to have it located near a cheap coal and water supply than exactly at the center of distribution.
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