high-voltage direct current


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high-voltage direct current

[′hī ¦vōl·tij di¦rekt ′kə·rənt]
(electricity)
A long-distance direct-current power transmission system that uses direct-current voltages up to about 1 megavolt to keep transmission losses down. Abbreviated HVDC.
References in periodicals archive ?
Tenders are invited for the east west interconnector (ewic) is a high-voltage direct current (hvdc) interconnector which links the electricity transmission grids of ireland and great britain.
A year ago, bids had also been sought for the converter stations, which convert high-voltage direct current into alternating current or the reverse, but they were cancelled due to the high price offers made by Chinese companies.
China Electric Power Equipment and Technology Company (CET) is doing this project under which 660kV high-voltage direct current (HVDC) costing US$1.
After introducing the Newton-Raphson method and the power flow problem, he considers the Newton power flow model of the static synchronous series compensator, of the unified power flow controller, of the interline power flow controller, of the generalized power flow controller, and of the static compensator, voltage-sourced converter based on high-voltage direct current systems.
The facility combines high-voltage direct current and grid electricity for power supply, and in-row cooling (instead of raised-floor cooling) along with cold-aisle containment to achieve its low PUE despite being in a subtropical climate.
USPRwire, Mon Sep 21 2015] High-Voltage Direct Current Converter Stations, Update 2015 - Global Market Size, Average Pricing and Equipment Market Share to 2020" is the latest report from GlobalData, the industry analysis specialists.
One will be located onshore at Haugsneset, where it will turn alternating current (AC) from the grid into high-voltage direct current (DC), which can be transmitted efficiently over 200 km to the second station which is on one of the oil platforms.
The plan was chosen over "SeaLink," a proposal from New Hampshire Transmission--a subsidiary of NextEra Energy, owner of the Seabrook nuclear power plant--which proposed building a high-voltage direct current line from Seabrook, traveling under the ocean floor for 50 miles before surfacing in Everett, Mass.
In his time as Chairman, ABB launched many breakthrough innovations including a breaker for high-voltage direct current (HVDC), the revolutionary human-machine collaborative robot YuMi, and Emax2, the world's first low-voltage circuit breaker that also functions as an energy manager.
Upgrading and normalization of the High-Voltage Direct Current (HVDC) or the Leyte-Bicol submarine cable has also contributed to the unhampered flow of supply of power from Visayas to Luzon and from Luzon to Visayas.
Its solutions are used in research laboratories and in high-voltage direct current (HVDC) transmission systems.
According to the terms of the agreement, Valard will install around 310 miles of 500-kilovolt high-voltage direct current transmission line between the Edmonton and Calgary regions.

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