Abstract
Power curve of wind turbine is an important indicator in assessing unit performance and evaluating unit generation capacity. However, due to the ambiguity of assessment measure and lack of assessment methods, it is difficult to assess the power curve. For solving the problem, a method based on performance reliability is proposed in this article. Using the operating data recorded in SCADA, the measured power curve was tested, and according to the manufacturer promised power curve, based on performance reliability theory, a method of assessing power curve was proposed. Using the method provided herein, the power curves of 5 wind turbines, which were erected in a wind farm in north China, were assessed. Results show that the method is accurate, simple and practical. And it provides an important theoretical basis for power curve assessment of wind turbine in site.
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