细菌觅食算法在50客车食堂馈线DSTATCOM分配中的应用

U. Musa, A. Mati, T. Yuvaraj
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引用次数: 4

摘要

在电力系统中,电压不稳定已被认为是造成电能质量差的最关键因素。这些系统在配电层面所经历的高损耗已成为电力系统运营商主要关注的问题,约有10-13%的总发电量作为热量散失。将系统电压维持在可接受的范围内,将大大有助于减少这些损耗,并增强系统的整体运行能力。本文的目的是利用建立的基于细菌觅食算法(BFA)的模型,通过分配静态补偿器(DSTATCOM)来提高现有50总线径向馈线的电压值并降低总功率损耗。将基于群的元启发式模型扩展到标准IEEE 33总线测试网络的四分之三(75%)负载条件,然后将其应用于50总线食堂馈线的正常(100%)和四分之三(75%)负载条件。对两个网络进行了综合分析,并将结果与各自的基本情况进行了比较。通过仿真获得的最终评估结果表明,使用基于BFA的模型在两个网络中分配DSTATCOM可显著降低功率损耗,并改善总体电压分布。在IEEE测试网络的四分之三负荷下,电压提高了20.04%,有功损耗降低了24.86%。对于50母线食堂馈线,在正常负载条件下,总电压分布改善了6.13%,有功损耗降低了22.84%,而在四分之三负载条件下,总电压分布和有功损耗分别改善了2.99%和19.71%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Application of Bacterial Foraging Algorithm in The Allocation of DSTATCOM in 50-bus Canteen Feeder
Voltage instability has been identified as the most critical factor responsible for poor power quality in electric power systems. The high losses experienced at the distribution level of these systems has become a major concern to power system operators, with about 10-13% of the total generation being dissipated as heat. Maintaining the system voltage within an acceptable limit will go a long way in reducing these losses and enhancing the overall system operational capability. The objective of this paper is to improve the voltage magnitude and reduce overall power losses in an existing 50-bus radial distribution feeder via the allocation of Distribution Static Compensator (DSTATCOM) using an established bacterial foraging algorithm (BFA) based model. The application of the swarm-based meta-heuristic model is extended to a three-quarter (75%) loading condition of the standard IEEE 33-bus test network and then, employed on the 50-bus Canteen feeder for both normal (100%) and three-quarter (75%) loading conditions. Comprehensive analysis was performed for both networks and the results were compared with their respective base-case scenarios. The final results of the evaluation obtained through simulation showed appreciable reduction in power losses and improvement in overall voltage profile with the allocation of DSTATCOM in both networks using the BFA based model. Voltage improvement in the region of 20.04% and active power loss reduction of 24.86% were recorded for three-quarter loading of the IEEE test network. For the 50-bus Canteen feeder, an overall voltage profile improvement of 6.13% and active power loss reduction of 22.84% were achieved for normal loading condition, whereas 2.99% and 19.71% improvement in total voltage profile and active power loss respectively were attained under three-quarter loading condition.
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