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Development of a comprehensive MPPT for grid-connected wind turbine driven PMSG

机译：为并网风力发电机驱动的PMSG开发了全面的MPPT

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摘要

This paper proposes a comprehensive MPPT method by which extraction of maximum power from wind turbine and its subsequent transfer through various power stages and final delivery to the connected grid are realized. In the proposed system, the operation of the wind turbine at its maximum efficiency point is maintained by control of grid-tied inverter such that the shaft speed of the generator is set to result the desired optimum tip speed ratio of the turbine. The proposed comprehensive MPPT estimates the required DC link voltage for each wind speed using a unified system model, uses a loss factor to account for the system losses, and then controls the inverter to push the WT extracted maximum power into the grid. The comprehensive MPPT is developed and is validated in MATLAB/Simulink platform in a wide range of operating wind speed. The results ascertain that the wind turbine is made to operate at its maximum efficiency point for all wind speeds below the rated one.
机译：本文提出了一种全面的MPPT方法，该方法可实现从风力涡轮机中提取最大功率，以及随后通过各个功率级进行的传输以及最终向连接电网的输送。在所提出的系统中，通过并网逆变器的控制来维持风力涡轮机在其最大效率点的操作，使得发电机的轴速被设定为产生期望的涡轮的最佳叶尖速比。拟议的综合MPPT使用统一的系统模型估算每种风速所需的DC链路电压，使用损耗因子解决系统损耗，然后控制逆变器将WT提取的最大功率推入电网。开发了全面的MPPT，并已在MATLAB / Simulink平台中的各种运行风速下进行了验证。结果确定了使风力涡轮机在低于额定风速的所有风速下都以其最大效率点运行。

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