一种基于用电标识的新型用电量计量系统

doi:10.16180/j.cnki.issn1007-7820.2025.02.006

Abstract

Abstract:

The detailed user's electricity consumption information is the key to promote energy conservation and emission reduction, and implement energy optimization. In view of the problem of power line interference in the process of obtaining accurate electricity consumption information, a new electricity consumption metering system based on electricity consumption identification is proposed in this study. This metering system is composed of two parts: the electricity identification terminal and the collection and metering terminal. The electrical identification terminal is digitally modulated by ASK(Amplitude Shift Keying) to independently encode the electrical information of each electrical appliance, and is capacitatively coupled to the power line. The acquisition and metering terminal collects independent coded information through power line carrier communication, and analyzes and processes it to realize electricity consumption measurement. The metering scheme is simulated and verified by Multisim and MATLAB simulation software. According to the characteristics of electrical appliances, the electricity information can be encoded independently, and the acquisition and metering side can restore the waveform of electrical appliances by analyzing the independent coding data to achieve better anti-interference.

Key words: electricity consumption identification, ASK, independent encoding, electricity metering, harmonic interference, power line carrier communication, FFT, harmonic analysis

CLC Number:

TN761.93

TAO Xuepan, WANG Tao, LI Wenjie, ZHANG Bing. A New Electricity Consumption Measurement System Based on Electricity Usage Identification[J].Electronic Science and Technology, 2025, 38(2): 42-52.

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A New Electricity Consumption Measurement System Based on Electricity Usage Identification

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