Device for storing electrical energy produced by e.g. solar power plant, and for reconverting energy, has motor, transmission and lifting device for lifting heavy loads, where loads are lowered for generating energy by using generator
摘要
<p>The device has an electric motor, a transmission and a lifting device for lifting heavy loads e.g. concrete and metals, where the loads are lowered for generating energy by using a generator during zero wind or no sun.</p>
