Efficiency of wind turbine vertical axis generator

A single vertical turbine has an efficiency in the range of 35 to 40 percent (though vertical turbine researchers are sure that number will soon reach 50 as well). [pdf]

Energy storage and energy consumption dual control

The integration of renewable energy into the power grid at a large scale presents challenges for frequency regulation. Balancing the frequency regulation requirements of the system while considering the wea. [pdf]