Abstract This paper deals with the analysis, modeling and control of a doubly-fed induction generator in variable speed wind turbine systems. The start-up procedure of the wind turbine including the grid synchronization has been established. New sensorless control schemes were developed, the first one is designed for standalone mode and grid synchronization named direct voltage control, the second one is designed for grid-connected mode named direct power control. To improve the robustness of the controlled system performance in case of machine parameters variations, a fuzzy logic controller was introduced. Various operation modes have been tested including accelerating and braking of the wind turbine, limited power and speed operation mode, power maximization mode, standalone operation mode with supplying a variable load. Simulation of the full start-up procedure was performed using Matlab/SimPowerSystems. The simulation results for several transient conditions demonstrated the effectiveness of the proposed control strategy.

中文翻译：

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基于模糊逻辑控制的双馈感应发电机风力发电机系统新的电网同步和功率控制方案

摘要 本文涉及变速风力涡轮机系统中双馈感应发电机的分析、建模和控制。已经建立了包括电网同步的风力涡轮机的启动程序。开发了新的无传感器控制方案，第一个是为独立模式和电网同步设计的，称为直流电压控制，第二个是为并网模式设计的，称为直接功率控制。为了在机器参数变化的情况下提高受控系统性能的鲁棒性，引入了模糊逻辑控制器。已经测试了多种运行模式，包括风力涡轮机的加速和制动、有限功率和速度运行模式、功率最大化模式、提供可变负载的独立运行模式。使用 Matlab/SimPowerSystems 执行完整启动程序的模拟。几个瞬态条件的仿真结果证明了所提出的控制策略的有效性。