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All Journal EPSILON: Journal of Electrical Engineering and Information Technology Jurnal Inovasi Teknologi Terapan
Haris Gibran Rizantha
Politeknik Manufaktur Negeri Bangka Belitung
Agriculture, Biological Sciences & Forestry Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Mechanical Engineering

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Sistem Monitoring Ruang Kosong pada Area Parkir Menggunakan Teknologi Internet of Things Rian Ardiansyah; Mahishya Darizqhi Dyah Saputri; Haris Gibran Rizantha; nugrah Al Hafidz; Rafli Nur Ikhsan; Rahmat Fadillah; Indra Dwisaputra
EPSILON: Journal of Electrical Engineering and Information Technology Vol 23 No 2 (2025): EPSILON - Journal of Electrical Engineering and Information Technology
Publisher : Department of Electrical Engineering, UNJANI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55893/eexfws86

Abstract

The increasing number of vehicles in urban areas has led to serious parking space issues, particularly in shopping centers, office complexes, and university campuses. The difficulty in locating vacant parking spots contributes to traffic congestion, fuel waste, and higher exhaust emissions. This study develops a parking lot monitoring system based on the Internet of Things (IoT), which detects vehicle presence in each parking slot in real time using sensors. The availability of parking spaces is displayed digitally, allowing drivers to find vacant spots without circling around. This system also enhances parking management efficiency by enabling centralized and automated monitoring of parking conditions. Implementation results show that the system effectively improves space utilization and significantly reduces the time required to find a parking spot.
Analisis Kompensasi Daya Reaktif pada Motor Slip-Ring Tiga Fasa Dengan Beban 1,6 Nm dan 2,1 Nm Ilham Faqih; Haris Gibran Rizantha; Surojo Surojo
Jurnal Inovasi Teknologi Terapan Vol. 4 No. 2 (2026): Jurnal Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/jitt.v4i2.466

Abstract

Induction motors are widely used in industrial applications due to their favorable operating characteristics and ease of speed control. However, they exhibit a relatively low power factor caused by a high demand for inductive reactive power. This study aims to improve the power factor of a three-phase slip-ring induction motor through reactive power compensation using a capacitor bank. Tests were conducted at load conditions of 1.6 Nm and 2.1 Nm, utilizing a capacitor bank with eight activation levels and a total capacitance range of 0–30 μF. The results indicate that without compensation, the power factor was 0.29 and 0.33 for the respective load conditions. Optimal compensation was achieved using a combination of switches 2, 3, and 4 (total capacitance of 28 μF), which improved the power factor to 0.83 at a 1.6 Nm load and 0.89 at a 2.1 Nm load, while simultaneously reducing the line current to near-minimum values. Conversely, activating all switches (30 μF capacitance) resulted in over-compensation, causing the load characteristics to become capacitive; consequently, the power factor dropped to 0.50 and 0.43, accompanied by an increase in line current. The findings demonstrate that selecting the appropriate capacitor bank capacity can effectively improve the power factor and reduce line current in slip-ring induction motors.
Co-Authors Ilham Faqih Indra Dwisaputra Mahishya Darizqhi Dyah Saputri nugrah Al Hafidz Rafli Nur Ikhsan Rahmat Fadillah Rian Ardiansyah Surojo