Rivera HVDC Back-to-back station

Rivera HVDC Back-to-back station is the first HVDC Back-to-back station situated south of Rivera, Uruguay at 30°56′29″S 55°33′34″W / 30.94139°S 55.55944°W / -30.94139; -55.55944 (Rivera HVDC Back-to-back station). It was built by Areva and inaugurated in 2000. Rivera HVDC Back-to-back station whose function is to perform a conversion of 50 Hz power from the power grid of Uruguay into 60 Hz for the power grid of Brazil, operates with a DC voltage of 20 kV. The transmission rate is 70 MW. Rivera HVDC Back-to-back station is connected with the power grid of Uruguay by a short single-circuit 150 kV line to Rivera substation situated at 30°56′39″S 55°33′9″W / 30.94417°S 55.55250°W / -30.94417; -55.55250 (Rivera substation). The connection to the power grid of Brazil is done by a single-circuit 230 kV AC line, which crosses the border between Uruguay and Brazil at 30°52′17″S 55°33′30″W / 30.87139°S 55.55833°W / -30.87139; -55.55833 (Powerline crosses border between Uruguay and Brazil) and ends at Livramento Substation 30°51′44″S 55°32′34″W / 30.86222°S 55.54278°W / -30.86222; -55.54278 (Livramento Substation). As this interconnection does not fit today's requirement, a second interconnection over Melo HVDC Back-to-back station was built.

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