| 摘要 |
<p>The invention relates to a hydroelectric power station having an energy unit comprising a turbine and a generator. The impeller of the turbine comprises an impeller ring and turbine blades. The radially outer ends of the turbine blades are fixed to the inner surface of the impeller ring, and the radially inner ends of the turbine blades are free and together form a central passage. The impeller ring is surrounded by the generator and acts as a bearing therefor.</p> |
