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An offshore site has wind speeds reaching a maximum of 8.0 m s'l. You are given Wind turbines with a blade length of 120 m,

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An offshore site has wind speeds reaching a maximum of 8.0 m s'l. You are given Wind turbines with a blade length of 120 m, and which operate with an efciency of 55 %. What is the minimum number of turbines that would be needed to achieve an installed power capacity of 750 MW? Consider air density to be 1.3 kg m'3

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