Assessment of The Developed Protective Device for Air Conditioning Units (ACUs)

Leo Agustin P. Vela, John Denver A. Bandales and Yloisa M. Marcial
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Leo Agustin P. Vela: College of Engineering – Camarines Norte State College, Camarines Norte, Philippines
John Denver A. Bandales: College of Engineering – Camarines Norte State College, Camarines Norte, Philippines
Yloisa M. Marcial: College of Engineering – Camarines Norte State College, Camarines Norte, Philippines

International Journal of Research and Scientific Innovation, 2025, vol. 12, issue 6, 1470-1475

Abstract: This study evaluated a protective device designed for air conditioning units (ACUs) to safeguard against power interruptions, intermittent power restoration, and voltage surges. The primary objective was to determine the device’s performance in terms of sensing accuracy and operational consistency under controlled time intervals, using an experimental method. The device integrates electrical systems with sensing and electronic components, which are all governed by a microprocessor. Statistical tools, including percentage error, arithmetic mean, and a scoring method, were utilized to analyze the results. Findings revealed that the device demonstrated high accuracy in sensing current and voltage values and exhibited strong reliability in executing its time-delay function. These outcomes indicate the device’s effectiveness in protecting ACUs during unstable power conditions.

Date: 2025
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