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The Electric Reliability Council of Texas (ERCOT) manages the flow of electric power on the Texas Interconnection that supplies power to 26 million Texas customers – representing 90 percent of the state's electric load. [3] ERCOT is the first independent system operator (ISO) in the United States [4] and one of nine ISOs in North America. [5]
The Texas Interconnection covers most of the state of Texas. Interconnections can be tied to each other via high-voltage direct current power transmission lines ( DC ties ), or with variable-frequency transformers (VFTs), which permit a controlled flow of energy while also functionally isolating the independent AC frequencies of each side.
Français : Version anglaise d'une carte montrant les Conseils régionaux de fiabilité et les interconnexions de l'Amérique du Nord. Basé sur File:BlankMap-USA-states-Canada-provinces,_HI_closer.svg par Lokal Profil, CC-BY-SA 2.5, File:Nercmap.JPG par J JMesserly PD-lui-même
In short, an ISO operates a region's electricity grid, administers the region's wholesale electricity markets, and provides reliability planning for the region's bulk electricity system. Today's RTOs do the same thing with an added component of greater responsibility for the transmission network, as established by the FERC.
For example, compare the wide area synchronous grid map of Europe (in the introduction) with the map of HVDC lines (here to the right). Solid state transformers have larger losses than conventional transformers, but DC lines lack reactive impedance and overall HVDC lines have lower losses sending power over long distances within a synchronous ...
The Electric Reliability Council of Texas, Inc. (ERCOT) is an American organization that operates Texas's electrical grid, the Texas Interconnection, [3] [4] which supplies power to more than 25 million Texas customers and represents 90 percent of the state's electric load. [5] ERCOT is the first independent system operator (ISO) in the United ...
The Tres Amigas SuperStation (lit. ' Three Friends SuperStation ') was a project proposed in 2009 to unite North America’s two major power grids (the Eastern Interconnection and the Western Interconnection) and one of its three minor grids (the Texas Interconnection), with the goals of enabling faster adoption of renewable energy and increasing the reliability of the U.S. grid. [1] [2]
Besides this there are two minor power grids in the U.S., the Alaska Interconnection and the Texas Interconnection. The Eastern, Western and Texas Interconnections are tied together at various points with DC interconnects allowing electrical power to be transmitted throughout the contiguous U.S., parts of Canada and parts of Mexico.