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SVG自适应无功检测方法及控制系统的研究

, PP. 309-314

Keywords: 柔性交流输电系统FACTS,静止无功发生器SVG,无功补偿系统,瞬时无功检测方法,自适应理论

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Abstract:

柔性交流输电系统对智能电网的发展至关重要,新型的静止无功发生器(SVG)是柔性交流输电系统的关键设备。SVG的补偿效果取决于对电网无功电流的检测精度。本文首先建立了SVG的数学模型,结合自适应理论实现瞬时无功电流检测的噪声对消,对现有无功检测技术加以改进,从而提高系统无功电流检测的精准度。确定了配合改进算法的直接电流控制策略,设计了SVG无功补偿系统框图;仿真结果表明SVG无功补偿系统能够有效的补偿三相电网侧的无功功率,基于自适应理论的无功检测算法能够提高补偿效率,平衡稳定电网输出,从而保证电能质量。

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[15]  作者简介:朱彩虹 女, 1963年生, 学士, 研究方向为电力系统及其自动化。黄珊珊 女, 1989年生, 硕士研究生, 研究方向为电力系统及其自动化。

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