Transmission Towers Being a Reprint of a Paper Read by E L Gemmill, Chief Engineer of the Transmission Tower Department of BlawKnox Company, Society of the Same Company Classic Reprint
Language: English
Published by Forgotten Books, 2018
- Softcover
- New
Seller: PBShop.store UK, Fairford, GLOS, United KingdomPBShop.store UK
AbeBooks seller since June 11, 1999
Condition: New
£ 21.07
Quantity: 15 available
Add to basketItem description from seller
Seller Inventory # LW-9781333657352
- Title
- Transmission Towers Being a Reprint of a Paper Read by E L Gemmill, Chief Engineer of the Transmission Tower Department of BlawKnox Company, Society of the Same Company Classic Reprint
- Author
- Edwin Le Roy Gemmill
- Publisher
- Forgotten Books
- Publication year
- 2018
- Condition
- New
- Binding
- PAP
- Language
- English
- ISBN 10
- 1333657358
- ISBN 13
- 9781333657352
- Item weight
- 204 grams
It is only within the last twenty-five to thirty years that it has been considered advisable to carry overhead electric power transmission lines on anything else than wood poles. But with the ever increasing tendency to concentrate power house units, and consequently to make fewer and larger installations, spaced farther apart, it has become necessary to transmit electrical energy over greater distances. This, in turn, has made it advisable to set a higher limit for the voltage at which the electrical energy will be conveyed from one point to another, in order to reduce to the lowest possible minimum the loss in transmis sion. The using of these higher voltages has, of course, brought in its train the necessity of making more careful provisions for supporting the conductors by means of which the electrical energy is transmitted from one point to another. Naturally, the first change made in the general scheme in vogue was to place the conductors farther apart, which necessitated the use of better cross arms for supporting them. At the same time it was also imperative that, with increased voltage, more clearance be allowed between the ground and the lowest conduc tor wires under the worst possible conditions of Operation. This could best be accomplished by making the supporting structures higher.
So long as the wires were kept only a short distance above the ground, the wood poles made an ideal support for them under ordinary conditions; but when higher supports had to be considered, transmis sion line engineers began looking about for other supporting structures which would lend themselves more readily wall the varying condi tions of service.
About the Publisher
Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com
This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
"Synopsis" may belong to another edition of this title.
PBShop.store UK
Fairford, GLOS, United Kingdom
AbeBooks seller since June 11, 1999
Shipping rates from United Kingdom to U.S.A.
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