Results 211 to 220 of about 11,677 (259)

All-Aluminum Transmission Tower Line

Transactions of the American Institute of Electrical Engineers. Part III: Power Apparatus and Systems, 1961
IN 1960, a double-circuit 220-kv all-aluminum tower line, 2.8 miles in length, was erected as a part of the Philadelphia Electric Company's transmission program for the new Eddystone generating station.
A. H. Sellers, J. E. Williams
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Building of a Composite Transmission Tower

Journal of Reinforced Plastics and Composites, 1997
This paper will study the feasibility of building a transmission tower from a composite material, E-glass and Vinylester. The tower was fabricated using a fabrication process called pultrusion. Also instead of using the conventional fastener method to join the cross members to the leg members, the design team utilized a slip joint that was developed by
Hsein-Yang Yeh, Samuel C. Yang
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Surge response of transmission towers

Canadian Electrical Engineering Journal, 1982
The lightning performance of overhead transmission lines is related to the surge impedance and wave propagation time of the line towers. Theoretical and experimental studies show that present models for the tower response are not adequate. New theoretical models for tower surge impedance are presented and supported with experiments.
W. A. Chisholm, Y. L. Chow, K. D. Srivastava   +2 more
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Nonlinear analysis of transmission towers

Engineering Structures, 1992
A nonlinear analytical technique for predicting and simulating the ultimate structural behaviour of self-supporting transmission towers under static load conditions is presented. The method considers both the geometric and material nonlinear effects and treats the angle members in the tower as general asymmetrical thin-walled beam-column elements ...
Al-Bermani F.G.A., Kitipornchai S.
openaire   +3 more sources

Foundations for transmission line towers and tower erection: II — Transmission tower steel anchors set in earth

Proceedings of the American Institute of Electrical Engineers, 1915
As tower anchors have been somewhat overlooked causing in some instances much loss, these notes are written to call attention to the importance of properly designing them so that the maximum strength of tower may be obtained with the most economical outlay. The notes show: 1. A method of figuring the loads to be resisted by the anchors. 2.
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Failure analysis of transmission towers

Engineering Failure Analysis, 2009
This paper advocates the use of nonlinear methodology for structural failure analysis. This approach is used for structural failure prediction rather than forensic analysis. Failure prediction has been confirmed by the expensive full-scale testing of a new transmission tower design that collapsed during the test.
Albermani, F., Kitipornchai, S., Chan, R. W. K.   +2 more
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Transmission tower foundation in Japan

IEEE/PES Transmission and Distribution Conference and Exhibition, 2003
The feature of overhead transmission lines in Japan is that in many cases, there are severe construction conditions, such as narrow flat-ground and steep mountain ground. This is because the country is narrow and also interest in the environment is increasing.
Y. Morinaga, M. Kamiji, S. Imoto, S. Ogawa, K. Iwamori   +4 more
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Transmission line towers and economical spans

Proceedings of the American Institute of Electrical Engineers, 1907
For any given transmission line there is a certain length of span which is most economical. A determination of what the economical span is, in any case, can only be made by obtaining data showing the variation of each item of cost which changes with the length of span.
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Ground testing of transmission towers

2011 IEEE PES 12th International Conference on Transmission and Distribution Construction, Operation and Live-Line Maintenance (ESMO), 2011
As the infrastructure of the worlds Transmission and Distribution System ages and associated grounding systems deteriorate, there is a growing need to test High Voltage Tower grounding systems as well as new installations also for baseline information. Up until now, there were basically only two options available: A.
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Transmission tower to pipeline arcing

2016 Down to Earth Conference (DTEC), 2016
HV line tower footings must be offset from high pressure pipelines to avoid damage due to arcing. A lightning strike to the tower can form both an ionized path to the pipe and flash over a phase insulator. Fault current to the pipe can then cause wall failure.
E. Peter Dick, Kurtis Martin-Sturmey
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