Taguchi method-based probabilistic load flow studies considering uncertain renewables and loads

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Please use this identifier to cite or link to this item: https://ir.lib.ncu.edu.tw/handle/987654321/108360

Title:	Taguchi method-based probabilistic load flow studies considering uncertain renewables and loads
Authors:	林法正;Hong, Ying-Yi;Lin, Faa-Jeng;Yu, Ti-Hsuan
Contributors:	資訊電機學院電機工程學系
Keywords:	bus voltage;Buses (vehicles);deterministic load flow approach;electric generators;Electric potential;line flow;load flow;Mathematical models;modified IEEE 118‐bus system;phase angle;PLF method;Power generation;power generation planning;power system parameter estimation;power system planning;probability;probability density functions;Probability theory;Standard deviation;standard deviations;Taguchi methods;Taguchi method‐based probabilistic load flow;Taguchi orthogonal array;uncertain power generation;Voltage;wind turbine generator;wind turbines
Date:	2016-02-01
Issue Date:	2026-04-23 14:45:52 (UTC+8)
Publisher:	Institution of Engineering and Technology;The Institution of Engineering and Technology
Abstract:	摘要： Load flow studies are crucial in investigations of operation and planning problems in the power systems. Traditional methods for determining load flow are based on deterministic approaches. However, the parameters of a power system (such as load and renewable power generation) may be uncertain. An exact probabilistic load flow (PLF) study requires a long CPU time due to many convolution computations involving probability density functions. This paper proposes a novel PLF method that is based on Taguchi's orthogonal arrays. The proposed method utilises a few deterministic load flow solutions that are obtained using Taguchi's method to estimate the means and standard deviations of bus voltages, phase angles, line flows, and other metrics. A load flow calculation corresponds to an experiment in Taguchi's method. An optimal experiment is also specified by considering the largest deviation from the nominal load flow solution. A 25-bus standalone power system and a modified Institute of Electrical and Electronics Engineers (IEEE) 118-bus system are tested. The simulation results show that the proposed method not only requires fewer deterministic load flow solutions to perform PLF analysis than the traditional point-estimate method but also yields accurate means and standard deviations of bus voltages and line flows. 出版者： The Institution of Engineering and Technology 出版日期： 2016-02 出處： IET renewable power generation, 2016-02, Vol.10 (2), p.221-227 資源來源： Wiley Online Library Open Access 版權： The Institution of Engineering and Technology 識別號： ISSN: 1752-1416 識別號： ISSN: 1752-1424 識別號： EISSN: 1752-1424 識別號： DOI: 10.1049/iet-rpg.2015.0196
Appears in Collections:	[Department of Electrical Engineering] journal & Dissertation

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