A new reactive power management strategy to enhance the behavior of the Wind Turbine Generator driven a DFIG under grid faults

K. Belmokhtar, H. Ibrahim
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引用次数: 2

Abstract

This paper deals with the issue of the reactive power compensation in microgrid (MG) based on Wind Turbine Generator driving a Doubly-Fed Induction Generator (DFIG). Wind generators such as the majority of Distributed Generation (DG) systems are sensitive to the disturbances of the frequency and/or voltage. Subsequently, these systems must to be disconnected in case of voltage dip, typically where the voltage is less than 80% of rated value. DG which contributes to reduce energy loss during transmission can increase the capability of the voltage control in the power system by generating the reactive power support. In the case of the off-grid applications, sources of production may participate to the voltage control by providing or absorbing reactive power. In this work, a new strategy for determining the reference of reactive power in order to contribute to the correction of the grid voltage deviation during low or high voltage ride through is proposed. Then, the performances of both active and reactive power control of the DFIG under grid faults are analyzed through Matlab/Simulink software.
一种新的无功管理策略,以提高电网故障下风力发电机驱动的DFIG的性能
本文研究了基于风力发电机驱动双馈感应发电机的微电网无功补偿问题。风力发电机,如大多数分布式发电(DG)系统,对频率和/或电压的干扰很敏感。随后,这些系统必须在电压下降的情况下断开,通常在电压低于额定值的80%的情况下。DG可以通过产生无功支持来提高电力系统的电压控制能力,从而减少输电过程中的能量损耗。在离网应用中,生产源可以通过提供或吸收无功功率来参与电压控制。本文提出了一种确定无功基准的新策略,以有助于在低电压或高电压穿越时修正电网电压偏差。然后,通过Matlab/Simulink软件分析了电网故障情况下DFIG的有功和无功控制性能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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