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首页> 外文期刊>IEEE Transactions on Industrial Electronics >Protection of Sensitive Loads Using Sliding Mode Controlled Three-Phase DVR With Adaptive Notch Filter
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Protection of Sensitive Loads Using Sliding Mode Controlled Three-Phase DVR With Adaptive Notch Filter

机译：带有自适应陷波滤波器的滑模控制三相DVR对敏感负载的保护

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摘要

This paper introduces a sliding mode control (SMC) strategy for three-phase dynamic voltage restorers (DVRs) with a 12-switch voltage source inverter. The compensating voltage references needed in the SMC strategy are generated by an adaptive notch filter (ANF), which exhibits excellent performance under grid voltage anomalies such as voltage sags, swells, and unbalanced and distorted grid voltage conditions. The consequence of using the ANF eliminates the use of phase-lock loop or frequency-lock loop and low-pass filter, which makes it distinguishable from the existing reference signal generation solutions. In addition, the use of the SMC strategy with its attractive properties makes the control implementation simple. Theoretical results are supported by simulation results as well as real-time laboratory results over a range of grid voltage anomalies. These results show that the proposed control strategy not only offers an excellent dynamic response independent from the parameter variations and disturbances but also compensates the voltage sags, swells, and harmonics on the load terminals under the defined limits of the IEEE-519 standard.
机译：本文介绍了一种带有12开关电压源逆变器的三相动态电压恢复器（DVR）的滑模控制（SMC）策略。 SMC策略中所需的补偿电压参考由自适应陷波滤波器（ANF）生成，该滤波器在电网电压异常（例如电压骤降，骤升以及电网电压不平衡和失真）下表现出出色的性能。使用ANF的结果是无需使用锁相环或锁频环和低通滤波器，这使其可与现有参考信号生成解决方案区分开。此外，SMC策略具有吸引人的特性使控制实现变得简单。理论结果得到了一系列电网电压异常情况下的仿真结果以及实时实验室结果的支持。这些结果表明，所提出的控制策略不仅提供了出色的动态响应，而不受参数变化和干扰的影响，还可以在IEEE-519标准定义的限制下补偿负载端子上的电压骤降，骤升和谐波。

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