Underground Power Transmission and Trenchiess Construction
- Underground Electric Transmission Installations Gaining Traction. Griffin, Jeff // Underground Construction;Jun2010, Vol. 65 Issue 6, p24
The article discusses the underground electrical cable for power distribution systems in the U.S. It notes that while underground power transmission lines are not a good environment for high-voltage power cable, technological advancement make it more feasible to bury electrical transmission...
- Trenchless technology tunneling its way into utility construction operations. Kuehn, Steven E. // Electric Light & Power;Sep95, Vol. 73 Issue 9, p13
Reports on the growing use of trenchless underground line installation and maintenance methods among electric utility construction managers in the United States. Boring developments; Fluid-assisted boring; Illustrative examples.
- NTA Prospers In Down Year. // Underground Construction;Dec2011, Vol. 66 Issue 12, p32
The article focuses on the accomplishments of the England-based Northeast Trenchless Association Inc. (NTA) in 2011. President Brian Dorwart says that refocusing and preserving NTA through a time of internal and external change without losing membership and momentum is the most significant...
- Pumping Power Underground. Williams, Jay A. // Transmission & Distribution World;Jun2002, Vol. 54 Issue 6, p50
Discusses the popularity of installing underground power transmission cables in the U.S. Introduction of laminated paper-polypropylene insulation in the 1980s; Effects of daily load factor on cable rating; Methods to uprate high-pressure liquid-filled underground circuits.
- 13. Underground cables. // T&D Report 2004 - World Markets for Transmission & Distribution ;2004, Issue 4, p217
Deals with the use of underground cables. Overview of energy policies regarding underground and overhead lines in European countries; Difference between alternative current and direct current underground cables; Advantages of high temperature superconducting cables.
- The Case & Cost For Undergrounding. Griffin, Jeff // Underground Construction;Jul2010, Vol. 65 Issue 7, p19
The article discusses the effort of the Oklahoma Corp. Commission (OCC), a commission that regulates the power companies owned by investors in Oklahoma, to examine the feasibility of underground electric facilities. It is found out that the cost for undergrounding the electrical transmission and...
- Forced Cooling Eliminates Distribution Bottleneck. Zadehgol, Hamed; Prestrud, Jack // Transmission & Distribution World;Jun2005, Vol. 57 Issue 6, p28
The article reports that by cooling existing duct banks, Seattle City Light Co. has drastically increased the apacity of its underground urban distribution circuits. It is reported that Seattle City Light identified a thermal bottleneck that limited ampacity of 13-kV cables inside duct banks...
- Gulf grid moves on. // Modern Power Systems;Dec2005, Vol. 25 Issue 11, p5
The article reports that the Gulf Cooperation Interconnection Council Authority (GCCIA) has awarded a $220 million contract to a major interconnection project linking six Gulf states. The project is expected to be carried out in three phases with phase one linking the transmission systems of...
- UNDERGROUND CABLES. // Transmission & Distribution Markets;2009, Issue 8, p448
The article discusses the use of underground cables in the transmission of electric power worldwide. In Europe, majority of the onshore electricity network is High Voltage Alternating Current (HVAC) overhead line and the remaining portion consists of underground cable. Underground cabling is...