| 摘要 |
A windmill including a set of rotating windmill blades (rotating about a substantially horizontal axis of rotation), multiple generators and a power conversion train. The power conversion train includes switching hardware. A first set generators is selectively inserted into the power conversion train under a first range of operating conditions, and a second set of generators is selectively inserted into the power conversion train under a second range of operating conditions. Also, a windmill including a set of rotating windmill blades (rotating about a substantially horizontal axis of rotation) a power conversion train. The power conversion train includes a chain drive system. The power conversion train includes a generator structured and connected to convert kinetic mechanical energy in the power conversion train into electrical energy. the chain drive system includes two sprockets and a chain that is in sprocket/chain engagement with both sprockets. The windmill preferably further includes an electrical energy storage device to store at least a portion of the electrical energy and/or an electricity delivery device to deliver at least a portion of the electrical energy to a utility grid. Preferably, the chain drive system includes adjustment means to adjust the distance between the two sprockets to thereby adjust an amount of slack in the chain.
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