Using a Single-Phase AC-AC Converter Controlled by a Passivity-based Law to Voltage Sags and Swells Compensation

2006 IEEE International Power Electronics Congress Pub Date : 2006-10-01 DOI:10.1109/CIEP.2006.312155

J. Pérez, V. Cárdenas, H. Miranda

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引用次数: 1

Abstract

This paper presents the analysis and design of a passivity-based controller (PBC) that can be used by a single-phase AC-AC converter to voltage sags and swells compensation. The parameters of the non-linear controller are chosen taking account the operation features of the converter. The response velocity as well as a fast stabilization time and implementation are considered. A model of the system is presented in order to know the behavior of the single-phase AC-AC converter and to validate the proposed control law. It can be noted that the use of the PBC in the system permits to keep a high and continuous regulation in its output voltage and it has the capability to compensate up to 25% voltage sags and 50% voltage swells. In this case, a DSP and a FPGA are used to program the passivity-based controller and to determine the state of the switches respectively. The performance of a 5 kVA-127 V, 60 Hz, single-phase AC-AC converter with the selected controller is presented by means of simulation and experimental results, which verify the viability of the proposed approach

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采用无源律控制的单相交流变换器对电压跌落和电压膨胀进行补偿

本文分析和设计了一种基于无源性的控制器(PBC)，该控制器可用于单相交流变换器的电压跌落和电压膨胀补偿。非线性控制器的参数选择考虑了变换器的工作特点。考虑了响应速度、快速稳定时间和实现方法。为了了解单相AC-AC变换器的行为，并验证所提出的控制律，提出了系统的模型。可以注意到，在系统中使用PBC允许在其输出电压中保持高且连续的调节，并且它具有补偿高达25%的电压下降和50%的电压膨胀的能力。在这种情况下，使用DSP和FPGA分别对基于无源性的控制器进行编程并确定开关的状态。仿真和实验结果验证了所选控制器在5 kVA-127 V, 60 Hz单相交流-交流变换器中的性能，验证了所提方法的可行性

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2006 IEEE International Power Electronics Congress

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