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A WIND TURBINE ARRANGEMENT WITH A MAIN WIND TURBINE AND AT LEAST ONE SECONDARY WIND TURBINE
A WIND TURBINE ARRANGEMENT WITH A MAIN WIND TURBINE AND AT LEAST ONE SECONDARY WIND TURBINE
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机译:具有主风轮机和至少一副二级风轮机的风轮机装置
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摘要
A wind turbine arrangement (1) is disclosed. The wind turbine arrangement (1) comprises a main wind turbine (2) and at least one secondary wind turbine (7, 7a, 7b, 7c). The main wind turbine (2) is arranged to produce electrical power and to supply produced electrical power to an external power recipient, such as a power grid (10). The main wind turbine (2) comprises one or more power consuming internal systems, e.g., yaw system (16), control system, heating systems (13), lubrication systems (15), etc. The secondary wind turbine (s) (7, 7a, 7b, 7c) is/are arranged to produce electrical power and to supply produced electrical power to at least some of the power consuming internal system(s) of the main wind turbine( 2). The secondary wind turbine(s) (7, 7a, 7b, 7c) is/are electrically disconnected from the external power recipient. The secondary wind turbine(s) (7, 7a, 7b, 7c) may constitute a backup power supply to the internal systems. Thereby it is not necessary to refuel the backup power supply, and the backup power supply is environmental friendly. This is particularly useful in offshore wind turbine arrangements (1).
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