Multilevel diode clamped D-Statcom for power quality improvement in distribution systems

Q2 Energy

International Journal of Power Electronics and Drive Systems Pub Date : 2021-03-01 DOI:10.11591/IJPEDS.V12.I1.PP217-227

Jasti Venkata Ramesh Babu, Malligunta Kiran Kumar

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引用次数: 9

Abstract

Power quality is one big issue in power system and a big challenge for power engineers today. Electrical consumers (or otherwise load devices) expect electrical power received power should be of first-class. Bad quality in electrical power directs to fuse blowing, machine overheating, increase in distribution losses, damage to sensitive load devices and many more. DSTATCOM is one of the FACTS controllers designed to improve the quality in electrical power and thus improving the performance of distribution system. This paper presents a multilevel DSTATCOM topology to enhance power quality in power distribution system delivering high-quality power to the customer load devices. Diode-clamped structure is employed for multi-level DSTATCOM structure. ‘PQ’ based control strategy generates reference signal which is further processed through level-shifted multi-carrier PWM strategy for the generation of gate pulses to multi-level DSTATCOM structure. Simulation work of proposed system is developed and the result analysis is presented using MATLAB/SIMULINK software. Performance of multi-level DSTATCOM topology is verified with fixed and variable loads.

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多电平二极管箝位D-Statcom用于配电系统的电能质量改善

电能质量是电力系统中的一个大问题，也是当今电力工程师面临的一大挑战。用电设备（或其他负载设备）预期的电力接收功率应为一流。电力质量差会导致保险丝熔断、机器过热、配电损耗增加、敏感负载设备损坏等等。DSTATCOM是FACTS控制器之一，旨在提高电力质量，从而提高配电系统的性能。本文提出了一种多级DSTATCOM拓扑结构，以提高配电系统的电能质量，为客户负载设备提供高质量的电力。多级DSTATCOM结构采用二极管箝位结构基于PQ’的控制策略生成参考信号，该参考信号通过电平移位的多载波PWM策略进行进一步处理，用于生成多级DSTATCOM结构的栅极脉冲。利用MATLAB/SIMULINK软件对系统进行了仿真，并对仿真结果进行了分析。通过固定负载和可变负载验证了多级DSTATCOM拓扑结构的性能。

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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来源期刊

International Journal of Power Electronics and Drive Systems Energy-Energy Engineering and Power Technology

CiteScore

3.50

自引率

0.00%

发文量

期刊介绍： International Journal of Power Electronics and Drive Systems (IJPEDS) is the official publication of the Institute of Advanced Engineering and Science (IAES). The journal is open to submission from scholars and experts in the wide areas of power electronics and electrical drive systems from the global world. The scope of the journal includes all issues in the field of Power Electronics and drive systems. Included are techniques for advanced power semiconductor devices, control in power electronics, low and high power converters (inverters, converters, controlled and uncontrolled rectifiers), Control algorithms and techniques applied to power electronics, electromagnetic and thermal performance of electronic power converters and inverters, power quality and utility applications, renewable energy, electric machines, modelling, simulation, analysis, design and implementations of the application of power circuit components (power semiconductors, inductors, high frequency transformers, capacitors), EMI/EMC considerations, power devices and components, sensors, integration and packaging, applications in motor drives, wind energy systems, solar, battery chargers, UPS and hybrid systems and other applications.