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- Title
Reliability Evaluation of Direct Current Distribution System for Intelligent Buildings Based on Big Data Analysis.
- Authors
Chenxi JIA; Hongyuan DING; Xing ZHANG
- Abstract
In intelligent buildings, the power is distributed in the direct current (DC) mode, which is more energy-efficient than the traditional alternating current (AC) mode. However, the DC distribution system for intelligent buildings faces many problems, such as the stochasticity and intermittency of distributed generation, as well as the uncertain reliability of key supply and distribution devices. To solve these problems, this paper evaluates and predicts the reliability of the DC distribution system for intelligent buildings through big data analysis. Firstly, the authors identified the sources of the big data on DC distribution system for reliability analysis, and constructed a scientific evaluation index system. Then, association rules were mined from the original data on the evaluation indices with MapReduce, and a reliability evaluation model was established based on Bayesian network. Finally, the proposed model was proved valid through experiments. The research provides reference for reliability evaluation of the DC distribution system in various fields.
- Subjects
INTELLIGENT buildings; CURRENT distribution; ASSOCIATION rule mining; DISTRIBUTED power generation; DATA analysis; DATABASES; BIG data
- Publication
Technical Gazette / Tehnički Vjesnik, 2021, Vol 28, Issue 5, p1769
- ISSN
1330-3651
- Publication type
Article
- DOI
10.17559/TV-20210507090202