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首页> 外文期刊>Electric Power Components and Systems >Maximum Power Tracking and Power Sharing in Grid Connected WECS Using Modified PFC Rectifier and PR Controlled Inverter
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Maximum Power Tracking and Power Sharing in Grid Connected WECS Using Modified PFC Rectifier and PR Controlled Inverter

机译：使用改进的PFC整流器和PR控制逆变器的电网连接WEC中的最大功率跟踪和电力共享

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摘要

This article presents an improved maximum power tracking and power sharing technique by using a self-recurrent wavelet neural network (SRWNN) controller. A power factor correction (PFC) rectifier as machine-side converter and proportional resonant (PR) controlled three-phase inverter as grid-side converter for wind energy conversion system (WECS) is presented. The modified PFC rectifier ensures the machine to work at maximum power coefficient, by using a sensor less SRWNN controller. Hence, it extracts maximum power at various wind speeds and provides unity power factor operation at generator side so as to increase the efficiency. The PR controlled inverter ensures proper real and reactive power sharing with the grid, which also acts as a distribution static compensator (DSTATCOM), by casting off harmonics at the grid side for nonlinear loads. The wind turbine, generator, converter and controller are modeled in MATLAB/Simulink platform and performance is analyzed for maximum power tracking and power sharing for a 40kVA, 400 V WECS. An extensive analysis of the proposed system is carried out in a developed experimental setup and the results validate the theoretical claims.
机译：本文通过使用自重反复小波神经网络（SRWNN）控制器提高了最大功率跟踪和功率共享技术。提出了一种功率因数校正（PFC）整流器作为机器侧转换器和比例谐振（PR）控制的三相逆变器作为风能转换系统（WECS）的电网侧转换器。改进的PFC整流器通过使用SRWNN控制器的传感器，确保机器在最大功率系数下工作。因此，它以各种风速提取最大功率，并在发电机侧提供单位功率因数操作，以提高效率。 PR控制的逆变器确保了与电网共享的适当实际和无功，这也用作分布静态补偿器（DSTATCOM），通过在网格侧投射非线性负载的谐波。风力涡轮机，发电机，转换器和控制器采用MATLAB / SIMULINK平台建模，分析了40kVA，400 V WECS的最大功率跟踪和功率共享的性能。在开发的实验设置中进行了对所提出的系统的广泛分析，结果验证了理论索赔。

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