Matches in DBpedia 2015-10 for { <http://dbpedia.org/resource/Pacific_DC_Intertie> ?p ?o }
- Pacific_DC_Intertie abstract "The Pacific DC Intertie (also called Path 65) is an electric power transmission line that transmits electricity from the Pacific Northwest to the Los Angeles area using high voltage direct current (HVDC). The line capacity is 3,100 megawatts, which is enough to serve two to three million Los Angeles households and represents almost half (48.7%) of the Los Angeles Department of Water and Power (LADWP) electrical system's peak capacity.The intertie originates near the Columbia River at the Celilo Converter Station of Bonneville Power Administration's grid outside The Dalles, Oregon and is connected to the Sylmar Converter Station north of Los Angeles, which is owned by five utility companies and managed by LADWP. The Intertie can transmit power in either direction, but power flows mostly from north to south.The idea of sending hydroelectric power to Southern California had been proposed as early as the 1930s, but was opposed and scrapped. By 1961, US president John F. Kennedy authorized a large public works project, using new high voltage direct current technology from Sweden. The project was undertaken as a close collaboration between General Electric of the US and ASEA of Sweden. Private California power companies had opposed the project but their technical objections were rebutted by Uno Lamm of ASEA at an IEEE meeting in New York in 1963. When completed in 1970 the combined AC and DC transmission system was estimated to save consumers in Los Angeles approximately US $600,000 per day by use of cheaper electric power from projects on the Columbia River.One advantage of direct current over AC is that DC current penetrates the entire conductor as opposed to AC current which only penetrates to the so-called skin depth. For the same conductor size the effective resistance is greater with AC than DC, so that more power is lost as heat. In general the power losses for HVDC are less than an AC line if the line length is over 500 -600 miles and with advances in conversion technology this distance has been reduced considerably. A DC line is also ideal for connecting together two AC systems that are not synchronized with each other. HVDC lines can help stabilize a power grid against cascading blackouts, since power flow through the line is controllable. The Pacific Intertie takes advantage of differing power demand patterns between the northwestern and southwestern US. During winter, the northern region operates electrical heating devices while the southern portion uses relatively little electricity. In summer, the north uses little electricity while the south reaches peak demand due to air conditioning usage. Any time the Intertie demand lessens, the excess is distributed elsewhere on the western power grid (states west of the Great Plains, including Colorado and New Mexico).".
- Pacific_DC_Intertie thumbnail Pacific_intertie_geographic_map.png?width=300.
- Pacific_DC_Intertie wikiPageExternalLink pacific-intertie.
- Pacific_DC_Intertie wikiPageExternalLink PACIFIC.htm.
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- Pacific_DC_Intertie wikiPageID "860812".
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- Pacific_DC_Intertie wikiPageRevisionID "656638113".
- Pacific_DC_Intertie wikiPageWikiLink 1971_San_Fernando_earthquake.
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- Pacific_DC_Intertie wikiPageWikiLink Allmänna_Svenska_Elektriska_Aktiebolaget.
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- Pacific_DC_Intertie wikiPageWikiLink Bonneville_Power_Administration.
- Pacific_DC_Intertie wikiPageWikiLink Category:Energy_infrastructure_completed_in_1970.
- Pacific_DC_Intertie wikiPageWikiLink Category:Energy_resource_facilities_in_California.
- Pacific_DC_Intertie wikiPageWikiLink Category:Energy_resource_facilities_in_Oregon.
- Pacific_DC_Intertie wikiPageWikiLink Category:HVDC_transmission_lines.
- Pacific_DC_Intertie wikiPageWikiLink Category:Western_Interconnection.
- Pacific_DC_Intertie wikiPageWikiLink Celilo_Converter_Station.
- Pacific_DC_Intertie wikiPageWikiLink Columbia_River.
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- Pacific_DC_Intertie wikiPageWikiLink Hydroelectric.
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- Pacific_DC_Intertie wikiPageWikiLink Sweden.
- Pacific_DC_Intertie wikiPageWikiLink Sylmar.
- Pacific_DC_Intertie wikiPageWikiLink Sylmar,_Los_Angeles.
- Pacific_DC_Intertie wikiPageWikiLink Sylmar_Converter_Station.
- Pacific_DC_Intertie wikiPageWikiLink Sylmar_earthquake.
- Pacific_DC_Intertie wikiPageWikiLink The_Dalles,_Oregon.
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- Pacific_DC_Intertie wikiPageWikiLink File:Pacific_intertie_geographic_map.png.
- Pacific_DC_Intertie wikiPageWikiLink File:Sylmar_Converter_Station.jpg.
- Pacific_DC_Intertie wikiPageWikiLinkText "Pacific DC Intertie".
- Pacific_DC_Intertie wikiPageWikiLinkText "Pacific Intertie".
- Pacific_DC_Intertie hasPhotoCollection Pacific_DC_Intertie.
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- Pacific_DC_Intertie wikiPageUsesTemplate Template:Reflist.
- Pacific_DC_Intertie subject Category:Energy_infrastructure_completed_in_1970.
- Pacific_DC_Intertie subject Category:Energy_resource_facilities_in_California.
- Pacific_DC_Intertie subject Category:Energy_resource_facilities_in_Oregon.
- Pacific_DC_Intertie subject Category:HVDC_transmission_lines.
- Pacific_DC_Intertie subject Category:Western_Interconnection.
- Pacific_DC_Intertie hypernym Line.
- Pacific_DC_Intertie point "45.594166666666666 -121.11416666666666".
- Pacific_DC_Intertie type Article.