Power management for the compensation of unbalanced grids using interphase power controller 240 and hybrid renewable energy sources

IF 2.7 Q2 MULTIDISCIPLINARY SCIENCES
Guy Roméo Mougnol Assala , Jean-Jacques Mandeng , Charles Hubert Kom , Jean Mbihi , Derek Ajesam Asoh
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引用次数: 0

Abstract

Ensuring an uninterrupted power supply is essential for industrial, commercial, and residential users. One effective method to achieve this is by implementing asymmetrical operation on transmission lines. This study introduces a power compensation strategy designed to maintain a continuous power supply, even during permanent single-phase faults on the transmission line. The proposed method leverages the compensating properties of the IPC 240 and the hybrid wind-photovoltaic technologies. The study focused on a 3 MW, 30 kV transmission line equipped with dual three-branch Interphase Power Controllers 240, which experienced a 33 % power loss due to a permanent single-phase fault. A hybrid wind-photovoltaic system, supplemented with battery storage, was modeled and sized to compensate for the power loss and integrated into the line. The power management strategy operates in two main modes. In mode 1, the line operates without faults. In mode 2, when a permanent single-phase fault occurred, the transmitted power dropped to 2 MW, necessitating the integration of the hybrid energy source to compensate for the reduced power. Weather fluctuations are factored in the management strategy, guaranteeing a stable power supply from the hybrid energy source. Simulations conducted using MATLAB/Simulink demonstrated the system's capability to maintain an uninterrupted power supply to the load. Even under permanent single-phase fault conditions and adverse weather, the system restored power to nearly 2.96 MW, achieving a 99 % compensation rate, which is the highest compared to previous studies.
利用相间功率控制器 240 和混合可再生能源补偿不平衡电网的功率管理
确保不间断供电对于工业、商业和住宅用户来说至关重要。实现这一目标的有效方法之一是在输电线路上实施不对称运行。本研究介绍了一种功率补偿策略,旨在即使在输电线路发生永久性单相故障时也能保持连续供电。所提出的方法充分利用了 IPC 240 和风光互补技术的补偿特性。研究的重点是一条 3 兆瓦、30 千伏的输电线路,该线路配备了双三分支相间功率控制器 240,永久性单相故障导致 33% 的功率损失。为补偿功率损失,对风力和光伏混合系统进行了建模和尺寸调整,并将其与电池储能系统集成到线路中。电力管理策略主要有两种运行模式。在模式 1 中,线路无故障运行。在模式 2 中,当发生永久性单相故障时,传输功率下降到 2 兆瓦,因此需要集成混合能源以补偿减少的功率。管理策略中考虑了天气波动因素,保证了混合能源的稳定供电。使用 MATLAB/Simulink 进行的仿真表明,该系统有能力维持对负载的不间断供电。即使在永久性单相故障和恶劣天气条件下,该系统也能恢复近 2.96 兆瓦的电力,实现了 99% 的补偿率,是以往研究中最高的。
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
Scientific African
Scientific African Multidisciplinary-Multidisciplinary
CiteScore
5.60
自引率
3.40%
发文量
332
审稿时长
10 weeks
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