Square Butte

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Square Butte is the designation of a high voltage direct current transmission line in the USA between centers in North Dakota and Duluth, Minnesota which went in service in 1977.

Square Butte can transfer up to 500 megawatts at a symmetrical voltage of 250 kV. A 749 kilometers long overhead line is used. As is the case for modern HVDC-systems thyristor static inverters are used.

[edit] External links

• ABB (2005). Upgrade of control system for CU and Square Butte HVDC projects. Retrieved March 27, 2005.
• http://www.transmission.bpa.gov/cigresc14/Compendium/SQUARE.htm
• http://www.transmission.bpa.gov/cigresc14/Compendium/Square%20Pictures.pdf

This article about electric power transmission is a stub. You can help Wikipedia by expanding it.

Retrieved from "http://en.wikipedia.org../../../s/q/u/Square_Butte_2354.html"

Categories: Electric power stubs | Electric power transmission systems | Energy in the United States

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• This page was last modified 14:27, 2 March 2007 by Wikipedia user Monni1995. Based on work by Wikipedia user(s) Beagel, Alynna Kasmira, Fingers-of-Pyrex, Linas, Wtshymanski, Saga City, Martg76 and Alterego and Anonymous user(s) of Wikipedia.
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