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首页> 外文期刊>Renewable Power Generation, IET >Control and performance analysis of grid-connected variable speed wind turbine with dual stator-winding induction generator for the contribution of both stator windings in active power transmission
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Control and performance analysis of grid-connected variable speed wind turbine with dual stator-winding induction generator for the contribution of both stator windings in active power transmission

机译：具有双定子绕组诱导发电机的网格连接变速风力涡轮机的控制与性能分析，用于主动电力传输中的定子绕组的贡献

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摘要

Recently, variable speed wind turbines (WTs) employing dual stator-winding induction generators (DSWIGs) have gained interest in related kinds of literature. A DSWIG has two sets of stator windings known as power-winding (PW) and control-winding (CW), where CW is connected to a pulse-width modulation converter called semiconductor excitation controller (SEC). This study, first, presents a topology for connection of DSWIG-based WT to the grid, in which unlike most of the related kinds of literature, both the PW and CW contribute in transmission of active power to the grid. In the study system, PW is connected to the diode rectifier-boost converter and CW to the SEC, and thus PW and CW active powers are controlled by the related boost converter and SEC, respectively. Hence, this study extends theoretical expression and presents a new relation for the generator torque as a function of the CW and boost converter currents, and then develops control structures for the study system. Next, mathematical expressions are presented for the selection of excitation capacitor at the PW terminals. Besides, the presented control strategy of the system is modified to enhance the WT-low voltage ride-through capability. In the end, simulation results are presented for examining the system performance and verifying the theoretical analyses.
机译：最近，采用双定子绕组感应发电机（DSWIGS）的可变速度风力涡轮机（WTS）对相关种类的文献产生了兴趣。 Dswig具有两组定子绕组，称为电力绕组（PW）和控制绕组（CW），其中CW连接到称为半导体激励控制器（秒）的脉冲宽度调制转换器。本研究首先，呈现了基于DSWIG的WT到网格的拓扑，其中与大多数相关种类的文献不同，PW和CW都有助于传输到电网的有源电力。在研究系统中，PW连接到二极管整流器 - 升压转换器，并且CW分别由相关升压转换器和秒控制PW和CW主电力。因此，该研究扩展了理论表达，并提出了作为CW和升压转换器电流的发电机扭矩的新关系，然后为研究系统开发控制结构。接下来，呈现数学表达式，用于选择PW终端的激励电容器。此外，修改了系统的所呈现的控制策略，以提高WT-低电压乘车能力。最后，提出了用于检查系统性能并验证理论分析的仿真结果。

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