Acta Metrologica Sinica  2023, Vol. 44 Issue (8): 1248-1255    DOI: 10.3969/j.issn.1000-1158.2023.08.15
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Research on Intermediate Checks Scheme of Automatic Verification System of Electric Energy Metering Instruments Based on INSGA-Ⅱ
LI Liang-bo,XIE Jin-fang,GENG Rui,TIAN Tian
Hubei Institute of Measurement and Testing Technology, Wuhan, Hubei 430223, China
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Abstract  In order to achieve the multi-objective requirements of high quality, high efficiency and low cost of the automatic verification system of electric energy metering instruments intermediate checks, a mathematical model was established to minimize the comprehensive verification cost and maximize verification efficiency. To solve the model, an improved fast non-dominated multi-objective optimization algorithm (INSGA-Ⅱ) was proposed, which improved the searching ability of the population by designing a multi-point crossover mutation strategy, and using perturbation population to improve the diversity of the population and prevent the population from falling into local optimum. The effectiveness and feasibility of the model and algorithm were verified by example simulation and algorithm comparison. The results showed that INSGA-Ⅱ algorithm can effectively obtain the non-dominated solution of the problem, which is of guiding significance to improve the verification quality, verification efficiency and reduce the verification cost. Finally, the optimal solution of the model was applied to the intermediate checks of the automatic verification system of low-voltage current transformer in Hubei Electric Power Metering Center of State Grid, and the control chart was drawn to monitor the operation status of the verification system online, which ensured that the measurement process was always in the state of statistical control.
Key wordsmetrology      electric energy metering instruments      automatic verification system      intermediate checks      INSGA-Ⅱalgorithm     
Received: 10 March 2022      Published: 22 August 2023
PACS:  TB971  
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LI Liang-bo
XIE Jin-fang
GENG Rui
TIAN Tian
Cite this article:   
LI Liang-bo,XIE Jin-fang,GENG Rui, et al. Research on Intermediate Checks Scheme of Automatic Verification System of Electric Energy Metering Instruments Based on INSGA-Ⅱ[J]. Acta Metrologica Sinica, 2023, 44(8): 1248-1255.
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http://jlxb.china-csm.org:81/Jwk_jlxb/EN/10.3969/j.issn.1000-1158.2023.08.15     OR     http://jlxb.china-csm.org:81/Jwk_jlxb/EN/Y2023/V44/I8/1248
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