WorldÂ’s longest HVDC transmission link approved
The system will transport power from the Madeira hydro complex located in the Northwestern Amazon region across the worldÂ’s longest transmission line (2,375 kilometers) to reach southeastern Brazil where power consumption is booming.
The Madeira hydroelectric complex is comprised of two power plants, with total power capacity of 6300 MW. ArevaÂ’s HVDC system will convert the alternating current into direct current to ensure minimal losses during transmission across the country. The HVDC system will be ready for commercial operation in April 2013.
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The California Independent System Operator, which oversees the state’s electrical grid, imposed its highest level energy emergency on Tuesday, a step that comes before ordering rolling blackouts and allows the state to access emergency power sources.
The Office of Emergency Services also sent a text alert to residents requesting them to conserve power. The operator downgraded the Stage 3 alert around 8:00 p.m. PT on Tuesday and said that “consumer conservation played a big part in protecting electric grid…