Analysis and Identification of Power Blackout-Sensitive Users by Using Big Data in the Energy System

With the further liberalization of the electricity market of China, customers' requirements, characteristics, and distribution, as well as the quality, security, and reliability of power supplies without interruption, have received considerable attention from power companies, policymakers, and...

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Veröffentlicht in:IEEE access 2019, Vol.7, p.19488-19501
Hauptverfasser: Shuai, Chunyan, Yang, Hengcheng, Ouyang, Xin, He, Mingwei, Gong, Zeweiyi, Shu, Wanneng
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Shu, Wanneng
description With the further liberalization of the electricity market of China, customers' requirements, characteristics, and distribution, as well as the quality, security, and reliability of power supplies without interruption, have received considerable attention from power companies, policymakers, and researchers. How to deeply explore the distribution characteristics of electricity customers and analyze their sensitivities to electricity blackouts has become an especially important problem. This paper takes over 0.1 billion data, collected by various smart devices of the Internet of Things in the power system of China, such as smart meters, intelligent power consumption interactive terminals, data concentrators, and other cross-platform data, for example, 95 598 telephone records, complaint information, user bills, user information, and maintenance records, as study objects, to analyze the consumption characteristics of power users. It has been found that there is a wide range of power users who pay different electricity bills; a long-tail distribution following a power law lies in the number of users versus their paid electricity bills. Meanwhile, there are two Pareto effects (2-8 rule): the number of residents and non-residents versus their electricity bills, and the number of large industrial users and general industry (business users) versus in their electricity consumption and bills. Then, a decision tree algorithm is proposed to capture the characteristics of electricity consumers and to recognize the crowd who is power blackout sensitive. The evaluation indexes and parameters of the decision tree are discussed in detail, and a comparison with other intelligent algorithms shows that the decision tree has a good recognition performance over that of others, and the characteristics used to identify the blackout-sensitive crowd is various. All the results state that except for economic factors, positive social effects should also be considered. Various marketing strategies to satisfy different requirements of power users should be provided to promote long-term relationships between the power companies and power customers.
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Meanwhile, there are two Pareto effects (2-8 rule): the number of residents and non-residents versus their electricity bills, and the number of large industrial users and general industry (business users) versus in their electricity consumption and bills. Then, a decision tree algorithm is proposed to capture the characteristics of electricity consumers and to recognize the crowd who is power blackout sensitive. The evaluation indexes and parameters of the decision tree are discussed in detail, and a comparison with other intelligent algorithms shows that the decision tree has a good recognition performance over that of others, and the characteristics used to identify the blackout-sensitive crowd is various. All the results state that except for economic factors, positive social effects should also be considered. 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subjects Algorithms
big data
Blackout
Blackout sensitivity
Commercial energy
Concentrators
Consumption
Customers
Data mining
decision tree
Decision trees
Economic factors
Economics
Electric power systems
Electricity
Electricity consumption
electricity market
Electricity meters
Electricity supply industry
Electronic devices
Internet of Things
long-tailed
Parameter sensitivity
Pareto effect
Performance indices
Power consumption
Power management
Power supplies
Power system reliability
Security
Sensitivity analysis
User requirements
User satisfaction
title Analysis and Identification of Power Blackout-Sensitive Users by Using Big Data in the Energy System
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