extra-high voltage


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extra-high voltage

[¦ek·strə ¦hī ′vōl·tij]
(electricity)
A voltage above 345 kilovolts used for power transmission. Abbreviated ehv.
References in periodicals archive ?
The current lack of extra-high voltage transmission lines through these regions -- the upper Midwest states including North and South Dakota, Iowa and Minnesota -- is a significant barrier to harnessing this valuable resource as a viable energy solution in a carbon-regulated environment, with the study advising that extra-high voltage transmission projects, such as ITC's proposed Green Power Express, are essential for accessing the nation's most important renewable energy resources.
Project Name: Procurement of x ray online detection equipment of digital production line of extra-high voltage ac and dc terminal device and electrical insulation products
Presently, the project consists of 515 miles of bi-directional, extra-high voltage transmission lines and the associated sub-stations that are capable of carrying upwards of 3,000 megawatts of predominately wind power from New Mexico into Arizona.
The company also designs, integrates and installs on a turnkey basis for products, such as high and extra-high voltage terrestrial and submarine systems.
This exciting project is nearing completion and will be the major addition to the product range this year, catapulting Ducab to the next level with extra-high voltage cable systems up to 400 kV produced in a world-class facility here in the UAE,' said Al Shaikh.
The Pickens Plan proposes to generate up to 22 percent of the nation's electricity from wind and supports development of an extra-high voltage transmission system to facilitate that expanded use of renewable electricity generation.
Summary: Dow Wire & Cable, a business unit of The Dow Chemical Company and its affiliates ("Dow"), will exhibit at the 2009 Middle East Electricity Exhibition (February 8-10, Dubai International Exhibition Centre), showcasing advances in its portfolio of materials and technology solutions for medium, high and extra-high voltage power cables.
Dow Wire & Cable, a business unit of The Dow Chemical Company and its affiliates (Dow), will showcase its portfolio of materials and technology solutions for medium, high and extra-high voltage power cables at the upcoming Middle East Electricity Exhibition.
This can be ascribed to the following three factors: firstly, China has made much progress in the development of ultra-high voltage and extra-high voltage technologies; secondly, it is the period from 2009 to 2010 that the ultra-high voltage demonstration projects in China have been constructed in succession, characterizing huge investment; thirdly, China has actively promoted the concept of energy conservation and emission reduction and paid increasing attention to voltage quality, safety and electricity saving, etc.
To qualify, bidders will have to provide a guarantee of US$20/kW at the proposal stage and US$70/kW in the final winning stage, along with a feasibility study in the case of extra-high voltage projects.
Also, it provides design, integration and installation services for products, such as high and extra-high voltage terrestrial and submarine systems.
The memorandum of understanding has been signed to explore the joint development of extra-high voltage transmission projects to strengthen the regional electric grid in Tennessee, Kentucky and Virginia.

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