Abstract
Energy consumption in urban areas has experienced unprecedented growth. This shows the need to know the consumption in real-time to make efficient use. Therefore, this paper describes the development of a low-cost prototype for the acquisition of energy consumption data. A simple design has been proposed, using electronic components readily available in the local market. Measurements are made with an SCT013 electrical sensor placed around a conductor in the distribution box. The NodeMCU development board is a processing unit connecting several devices through data buses and WiFi. The script programming was done in c++ language using the Arduino IDE, while the mobile application for visualization was developed in Blynk. As a case study, real-time measurements and tests were carried out in a higher education center. A standard ammeter and multimeter were used for system calibration to ensure reliable and accurate results. During the experimental tests, an error of 2,839% was obtained compared to commercial equipment, which validates the use of this proposal. Linear regression is performed to propose an approximation model based on monthly consumption data for one year. With this average measurement, abnormal variations in monthly consumption can be identified, which could mean an electrical failure in the building. This type of proposal allows for better decision-making, proposes structural improvements, and is a basis for developing smarter cities.
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Universidad Tecnológica Indoamérica for its support and financing under the “Big data analysis and its impact on society, education and industry” project.
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Ayala-Chauvín, M., Acurio-Pérez, J.A., Sanmartí, G.R., Buele, J. (2022). Low-Cost Energy Consumption Monitoring System Using NodeMCU. In: Valencia-García, R., Bucaram-Leverone, M., Del Cioppo-Morstadt, J., Vera-Lucio, N., Jácome-Murillo, E. (eds) Technologies and Innovation. CITI 2022. Communications in Computer and Information Science, vol 1658. Springer, Cham. https://doi.org/10.1007/978-3-031-19961-5_12
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