Reactive power optimization in distribution systems considering load levels for economic benefit maximization

©. G. Srinivasan, V. Mahesh, K. Reddy, P. Venkatesh, E. Parimalasundar, G. Srinivasan, V. Professor, Reddy
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引用次数: 2

Abstract

Introduction. The need for electrical energy has been increased sharply due to hasty growth in industrials, social and economic improvements. From the previous studies, it has been agreed that almost 13 % of the total power generated is wasted as heat loss at distribution level. It has been extensively recognized that the node voltage profile along the distribution system can be enhanced under steady state power transfer controlled by proper reactive power compensation. Capacitors have been acknowledged as reactive power compensating device in distribution systems to achieve technical and economical benefits. Novelty of this work is the application of Archimedes optimization algorithm for reactive power optimization in distribution systems so as to obtain an improved solution and also a real 94-bus Portuguese network and modified 12-bus network has been taken and validated for three different load levels which are totally new. Purpose of the proposed work is to maximize the economic benefit by reducing the power loss and capacitor purchase cost at three different load conditions subject to satisfaction of equality and inequality constraints. Methods. The economic benefit has been validated using Archimedes optimization algorithm for three load levels considering three distribution systems. Results. The computational outcomes indicated the competence of the proposed methodology in comparison with the previously published works in power loss minimization, bus voltage enhancement and more economical benefit and proved that the proposed methodology performs well compared to other methods in the literature.
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考虑经济效益最大化负荷水平的配电系统无功优化
介绍。由于工业的迅速发展、社会和经济的改善,对电能的需求急剧增加。从以前的研究中,人们一致认为,几乎13%的总发电量在配电水平上被浪费为热损失。人们普遍认为,通过适当的无功补偿控制,可以提高配电网稳态输电时的节点电压分布。电容器作为配电系统的无功补偿装置,其技术经济效益已得到公认。本工作的新颖之处在于将阿基米德优化算法应用于配电网无功优化,从而得到了一种改进的解决方案,并在三种全新的负荷水平下,采用了真实的94母线葡萄牙电网和改进的12母线电网进行了验证。本文的目的是在满足等式和不等式约束的前提下,通过降低三种不同负载条件下的功率损耗和电容器购买成本,使经济效益最大化。方法。采用阿基米德优化算法对考虑三种配电系统的三种负荷水平进行了经济效益验证。结果。计算结果表明,与先前发表的方法相比,所提出的方法在最小化功率损耗、增强母线电压和提高经济效益方面具有竞争力,并证明所提出的方法与文献中其他方法相比具有良好的性能。
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