Performance Analysis of PV Integrated NPC Multilevel Inverter-Based Unified Power Quality conditioners

2023 IEEE IAS Global Conference on Renewable Energy and Hydrogen Technologies (GlobConHT) Pub Date : 2023-03-11 DOI:10.1109/GlobConHT56829.2023.10087820

A. Heenkenda, A. Elsanabary, M. Seyedmahmoudian, S. Mekhilef, A. Stojcevski, N. F. Ab Aziz

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Abstract

Unified Power Quality Conditioners are used frequently in modern distribution networks to eliminate power quality issues. Furthermore, compared to other existing power quality enhancement devices, UPQCs can concurrently improve both voltage and current profiles. To enhance their power quality issue compensation capability, multilevel inverters can replace the traditional two-level inverters in UPQCs. This study aims to investigate the behavior of diode-clamped multilevel inverters based UPQC when integrated with a Photovoltaic system in the presence of non-linear loads. Finally, a MATLAB/Simulink simulation was conducted to observe the performance of the proposed UPQC configuration by utilizing synchronous reference frame (SRF) and hysteresis control methods. The simulation results when obtained from both control strategies were compared to identify which method can improve the operating capability of the proposed UPQC configuration.

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基于PV集成NPC多电平逆变器的统一电能质量调节器性能分析

统一电能质量调节器在现代配电网中经常使用，以消除电能质量问题。此外，与其他现有的电能质量增强器件相比，upqc可以同时改善电压和电流分布。为了提高upqc的电能质量问题补偿能力，可以采用多电平逆变器代替传统的双电平逆变器。本研究旨在研究基于UPQC的二极管箝位多电平逆变器在非线性负载下与光伏系统集成时的行为。最后，利用同步参考帧(SRF)和迟滞控制方法，通过MATLAB/Simulink仿真观察了所提出的UPQC结构的性能。比较了两种控制策略的仿真结果，以确定哪种控制策略能提高UPQC组态的运行能力。

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2023 IEEE IAS Global Conference on Renewable Energy and Hydrogen Technologies (GlobConHT)

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