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Prototype Implementation of an Arduino Mega Based Current Recorder

Waluyo, and Saodah, Siti and Wibisono, Yogi (2021) Prototype Implementation of an Arduino Mega Based Current Recorder. ECTI TRANSACTIONS ON ELECTRICAL ENGINEERING, ELECTRONICS, AND COMMUNICATIONS, 19 (1). pp. 59-70. ISSN 1685-9545

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Electric current measurements in electric power systems are important aspects that need to be monitored for protection. Therefore, this study designed, implemented, and tested a digital current measuring and recording prototype instrument. The current signals of the loads were sensed by the split-core transformers, which entered the signal conditioning, through the Arduino Mega 2560 microcontroller, and emitted output through a PC monitor, SD card data logger, and LCD. Furthermore, the device was tested with the results compared to the computation and clamp ammeter readings, as the reference values. The testing loads are 1500W and 500W for single-phase and per-phase of three-phase systems respectively, due to limitation of the loads. Both single and three-phase systems exhibited an increase and decrease in the absolute and relative deviations, respectively, due to an increase in load. However, the values in both systems were not the same. For the single-phase, the average absolute and relative deviation slopes were 0.156548 A/kW and −0.0020772 %/kW, respectively. On the other hand, for the three-phase system, they were 0.12372 A/kW and −0.04176 %/kW, respectively. The relative deviations to the computation results were under 6 %, and decreased to 3 %, while the relative deviations to the reference instrument readings were under 3 %, decreased to 1 %, as the load increased. Therefore, the accuracy is within between 1% and 3% of that yielded by instruments generally used for measurements. Keywords: LCD, Measurement, Microcontroller, SD Card, Split-Core

Item Type: Article
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: 1 Fakultas Teknologi Industri > 20201 Teknik Elektro S1
Depositing User: Erma Sukmaida
Date Deposited: 15 Feb 2023 08:41
Last Modified: 17 Feb 2023 09:41

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