IRPT Based DVR Application for Voltage Enhancement

2019 6th International Conference on Signal Processing and Integrated Networks (SPIN) Pub Date : 2019-03-07 DOI:10.1109/SPIN.2019.8711637

Shakir, Manish Sharma

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引用次数: 3

Abstract

Maximum load devices are voltage dependent and functioning of such type of devices gets affected either supply voltage goes high or low in comparison with rated voltage of the power system. The instantaneous reactive power theory (IRPT)is an outstanding controlling approach which is used specially for voltage restoration in case of unbalanced power supply when sensitive or non-linear loads are connected at the load terminal. Application of this control scheme provides a balanced voltage which is required for healthy operation of sensitive loads used in automation industry, manufacturing plant, hospitals for patient monitoring. Moreover this paper presents mathematical modifications of voltage, current, real and reactive power. Different compensation ideas help to obtain the substitute of voltage compensation intentions like balanced power supply, pure sinusoidal waveform, reduced THD and unity power factor. Lastly, compensation approaches are implemented in a MATLAB based model of dynamic voltage restorer (DVR) which is installed in distribution part of electrical power system. Simulation results of DVR model shows the DC link voltage, Voltage at PCC, voltage at inverter input, compensated voltage and various results are presented.

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基于IRPT的DVR电压增强应用

最大负载设备是电压依赖的，与电力系统的额定电压相比，这类设备的功能会受到供电电压高或低的影响。瞬时无功理论(IRPT)是一种杰出的控制方法，专门用于在负载端接有敏感或非线性负载时，在电源不平衡情况下的电压恢复。该控制方案的应用为自动化工业、制造工厂、医院患者监测中使用的敏感负载的健康运行提供了所需的平衡电压。此外，本文还提出了电压、电流、实功率和无功功率的数学修正。不同的补偿思路有助于获得均衡供电、纯正弦波形、降低THD、统一功率因数等电压补偿意图的替代。最后，在电力系统配电部分的动态电压恢复器(DVR)的MATLAB模型中实现了各种补偿方法。DVR模型的仿真结果给出了直流链路电压、PCC电压、逆变器输入电压、补偿电压等各种结果。

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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2019 6th International Conference on Signal Processing and Integrated Networks (SPIN)

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