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首页> 外文会议>IEEE International Conference on Power Electronics, Drives and Energy Systems >Fuzzy Logic based Rotor Side Converter for constant power control of grid connected DFIG
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Fuzzy Logic based Rotor Side Converter for constant power control of grid connected DFIG

机译：基于模糊逻辑的转子侧变频器，用于并网双馈异步电动机的恒功率控制

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Technological advancements has made production of electrical energy more efficient and minimized the consumption of non-renewable sources of energy. Wind energy has been harvested for more than a decade and has been considered to be one of the cleaner methods of producing electricity. This paper focuses on wind electric system connected to the grid. There are different types of wind electric generators such as fixed speed generators (synchronous generators) and variable speed generators which are squirrel cage and slip ring induction generators. Variable speed induction generators are widely chosen in wind electric system. In variable speed induction generators, doubly fed induction generators are mostly used because its rotor transfers the slip power when there is high wind speed velocity, and voltage is injected if the wind velocity is less. This paper proposes a method for controlling the stator power output of DFIG at speeds below synchronous speed using a novel fuzzy logic controller for Rotor Side Converter(RSC). The fuzzy logic rule base is formulated based on wind turbine speed and it controls the amount of rotor/slip power to be injected at appropriate slip frequency by varying the reference signal of the PWM generator, hence maintains the constant power flow from stator to grid. The fuzzy based RSC controller is designed and implemented in the laboratory.
机译：技术的进步使电能的生产更加有效，并使不可再生能源的消耗最小化。风能已经被收集了十多年，并且被认为是更清洁的发电方法之一。本文着重于连接到电网的风电系统。有不同类型的风力发电机，例如定速发电机（同步发电机）和变速发电机，它们是鼠笼式和滑环感应式发电机。变速感应发电机在风力发电系统中被广泛选择。在变速感应发电机中，主要使用双馈感应发电机，因为它的转子在高风速时会传递滑差功率，而在风速较小时会注入电压。提出了一种新型的转子侧变流器（RSC）模糊逻辑控制器，用于控制双馈异步电动机定子功率输出低于同步速度的速度。模糊逻辑规则库是根据风力发电机的转速制定的，它通过改变PWM发生器的参考信号来控制要在适当的转差频率下注入的转子/转差功率的量，从而保持从定子到电网的恒定功率流。基于模糊的RSC控制器是在实验室中设计和实现的。

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