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Analisis Error Pembacaan Tegangan DC pada Kondisi Overvoltage dan Undervoltage Menggunakan Input Analog PLC Adhityo Samola; Arnold Kalalo; Fanny Doringin; Sukandar Sawidin; Muchdar Patabo; Maruto Loegimin
CYCLOTRON Vol 9 No 02 (2026): CYCLOTRON
Publisher : Universitas Muhammadiyah Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30651/ct.v9i02.31380

Abstract

Voltage monitoring is an important aspect in electrical systems to maintain operational stability and prevent damage to electrical equipment. In systems based on Programmable Logic Controller (PLC), voltage measurement is carried out through an analog input module that converts analog signals into digital data, which is then processed using a scaling method to obtain the actual voltage value. This conversion process has the potential to produce errors due to the limitations of analog input resolution, noise, and measurement device tolerances. This study aims to analyze the error level of DC voltage readings using PLC analog input under overvoltage and undervoltage conditions. The method used is an experimental approach by comparing the reference voltage from an adjustable power supply with the PLC reading results at several voltage variations. The reference voltage is converted into an actual voltage scale using a linear approach, then analyzed using the percentage error method. The results show that the error value ranges from 0% to 1.38%, with an average value of approximately 0.96%, and the highest error occurs under overvoltage conditions. This indicates that the system has good accuracy with relatively small and stable error levels. Therefore, the PLC-based voltage monitoring system is feasible for voltage monitoring applications with an acceptable level of measurement error.
Control and Monitoring System for a Three-Phase Induction Motor Based on Arduino Mega and VSD Integrated with LabVIEW Fahrul Marcello Rombon; Kevind Lefinro Rompas; Natanael Hendriko Lombok; Sukandar Sawidin; Yoice R. Putung; Anthoinete P.Y. Waroh
Jambura Journal of Electrical and Electronics Engineering Vol 8, No 2 (2026): Juli - Desember 2026
Publisher : Electrical Engineering Department Faculty of Engineering State University of Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jjeee.v8i2.39876

Abstract

Three-phase induction motors are widely utilized in industrial applications due to their high efficiency and reliability. This study aims to design and implement a real-time control and operational parameter monitoring system for a three-phase induction motor. The system integrates an Arduino Mega as the main data processor, a Variable Speed Drive (VSD) for speed control, and Solid State Relays (SSR) along with contactors as actuators. Monitoring of electrical and mechanical parameters is performed using ACS712 sensors (current), ZMPT101B sensors (voltage), and Hall Effect sensors (speed/RPM), with the results displayed on a LabVIEW interface. The system evaluation and validation method was carried out by comparing sensor readings against standard measuring instruments (digital multimeter and digital tachometer) across various operating frequency variations. The test results show that the system is capable of stable operation with an average sensor measurement error (mean error) of 0.35%. The novelty of this research lies in the integration of a responsive, cost-effective, multi-parameter control and monitoring platform equipped with automatic data logging within a single integrated HMI interface, which is ready to be applied for research as well as industrial automation laboratory practices.
SISTEM PEMUTUS TEGANGAN YANG KURANG UNTUK PENGAMANAN BATERAI DAN BEBAN DC MENGGUNAKAN ARDUINO NANO Maruto Swatara Loegimin; Yoice Putung; Hasnira Hasnira; Sukandar Sawidin; Muchdar Dg. Patabo; Samsu Tuwongkesong; Marcel Lengkong
Recent in Engineering Science and Technology Vol. 3 No. 1 (2025): RiESTech Vol. 3 No. 1 Years 2025
Publisher : MBI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59511/riestech.v3i01.88

Abstract

Electrical control capacity or quality control capacity in electrical systems has always been very vital. However, the main attention should be focused on the characteristics of the supply voltage, especially in the modern era. A major constraint in the electrical structure is low voltage. Low voltage is a source of disturbance in the electrical system that affects the agility of related electrical equipment and can shorten the life of equipment, including battery components in DC energy systems such as solar panels. To anticipate the situation, low voltage circuit breaker hardware is used to protect batteries and DC devices from low voltage conditions, using a potentiometer as a voltage regulator, IC 7809 as a battery input voltage reducer, a switch to disconnect the battery, a power source, and a voltage display on the LCD screen and microcontroller control using Arduino Nano. The strategy applied can be a growth strategy or a research and development strategy. This approach is the foundation for planning and building the Moo voltage circuit breaker to protect batteries and DC devices. In the voltage test, Moo was able to disconnect the DC battery with ±99.795% accuracy. Standard tests for low voltage circuit breakers at 12 V and 24 V showed a difference of ±0.096 V and an error of ±0.554%.