NDLI: Reliability evaluation of bulk power systems using the uniform design technique

Content Provider	IET Digital Library
Author	Xie, Kaigui Huang, Yingcheng Hu, Bo Tai, Heng Ming Wang, Leibao Liao, Qinglong
Abstract	Reliability evaluation of bulk power systems (BPSs) has inherent computational complexity due to the numerous system states and the time-consuming system state analysis, including power flow calculation, load curtailment, recognition of split power systems and network reconfiguration. In this study, a novel uniform-design based method is proposed to improve the computational efficiency of power system reliability evaluation. The main idea is that the uniform-design technique is used to generate the system states in reliability evaluation, which makes the sampled states more uniform and representative in the overall state space compared to the enumerated system states in an analytical method or the random-generated system states in Monte Carlo simulation. As a result, the sample size and the computational time can be significantly reduced. In addition, the confidence intervals of the reliability indices, such as LOLP, FLOL and EENS, are given. And the estimation errors of reliability indices are discussed. The proposed method is tested on several BPSs, including the IEEE-RTS79, IEEE-RTS96 and a real BPS in China. All the case studies indicate that the proposed technique can significantly improve the computational efficiency of BPS reliability evaluation.
Starting Page	400
Ending Page	407
Page Count	8
ISSN	17518687
Volume Number	14
e-ISSN	17518695
Issue Number	Issue 3, Feb (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/14/3
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2018.6040
Journal	IET Generation, Transmission & Distribution
Publisher Date	2019-10-02
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	BPS Reliability Evaluation Bulk Power System Computational Complexity Computational Efficiency Computational Time Enumerated System State Inherent Computational Complexity Load Flow Monte Carlo Method Numerous System State Optimisation Technique Power Flow Calculation Power Generation Reliability Power System Economics Power System Managemen Power System Operation Power System Planning Power System Planning And Layout Power System Reliability Power System Reliability Evaluation Power Transmission Reliability Reliability Reliability Indices Sampled State Split Power System State Space Statistics Time-consuming System State Analysis Uniform Design Technique Uniform-design Based Method Uniform-design Technique
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

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