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Program Studi Teknik Elektro, Universitas Nusa Putra Gedung B Lt.5 Jl. Raya Cibolang No. 21, Sukabumi, West Java, Indonesia 43152
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Fidelity : Jurnal Teknik Elektro
Published by Universitas Nusa Putra
ISSN : 26863650     EISSN : 26863642     DOI : -
Core Subject : Science, Engineering,
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering
Focus Fidelity : Jurnal Teknik Elektro merupakan media publikasi penelitian di bidang Teknik Elektro khususnya dalam ruang lingkup Instrumentasi, kendali, pengolahan sinyal, telekomunikasi, komputer dan listrik tenaga. Naskah atau makalah yang diterbitkan telah melalui kajian dari para mitra bestari dan telah lolos uji plagiasi. Jurnal ini menyediakan akses konten teknik elektro yang terbuka secara penuh dengan tujuan memberikan sumbangsih pada penyebaran ilmu pengetahuan secara bebas untuk publik dan mendukung pertukaran pengetahuan secara global. Jurnal Fidelity diterbitkan oleh Program Studi Teknik Elektro, Universitas Nusa Putra. Scope Topik-topik yang dapat diajukan untuk diterbitkan pada jurnal ini meliputi: Elektronika, Mekatronika, Robotika, Unmanned Vehicle, Mobil Listrik, Teknologi Alat Pertanian, Medical Devices, Pemrosesan Gambar, Kecerdasan Buatan, Inovasi Internet Of Things Sistem Telekomunikasi, Teknologi Wireless, Radar, Sistem Informasi, Rekayasa Industri, Teknologi Industri
Arjuna Subject : Teknik (semua kategori) - Teknik Listrik dan Elektro
Articles 101 Documents
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Analysis of Stepper Motor Control Performance in Processing Plastic Waste Into Filament zulkhairi, Zulkhairi; Syaifudin, Ahmad; Mardhiyyah, Rodhiyah; Kuspranoto, Abdul Haris; alfatih, Muhammad fa’iz
Fidelity : Jurnal Teknik Elektro Vol 6 No 2 (2024): Edition for May 2024
Publisher : Universitas Nusa Putra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/fidelity.v6i2.236

Abstract

Based on data from the national waste information system, total waste in Indonesia in 2022 will be 36.1 million tons per year. Referring to this data, there is still a lack of waste processing and requires quite large costs for waste processing resulting from the increase in population, changes in consumption patterns and people's lifestyles. As a solution, researchers have developed a tool to make 3D printing filament using used bottles as the main material. The tool is equipped with a stepper motor that controls the process of winding plastic bottle tape into 3D printing filament. Regulating the rotation of the stepper motor and controlling the tool as a whole uses an Arduino UNO microcontroller and a potentiometer. Based on research results, on PET and PP bottles, speed control results were obtained for PET bottles using a speed of 49 rpm, the results obtained were good with a diameter of 1.75 mm. and for pp bottles it is at a speed of 26 rpm. For the PP type, good quality filament results were obtained with a diameter of 1.75 mm. in further research to use PID control so that PWM changes are more stable for motor rotation, use a power supply with a more stable output, and determine the right angle for cutting plastic bottles to produce the same cut.
Analysis of Reactive Power Flow in an Electric Power System Alfian Bishri, M. Alif; Dalimunthe, Muhammad Erpandi; Lesmana, Dicky
Fidelity : Jurnal Teknik Elektro Vol 6 No 3 (2024): Edition for September 2024
Publisher : Universitas Nusa Putra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/fidelity.v6i3.237

Abstract

Optimal power flow analysis is a calculation to minimize an objective function, namely generation costs or transmission losses by regulating the active power and reactive power generation of each interconnected power system generator by taking into account certain limits. The growth of industrial loads which are dominated by inductive loads requires a fairly large reactive power supply. This reactive power requirement will of course reduce the available power that can be transmitted to the load. Reactive power flow in transmission lines will reduce the active power distribution capacity required by the load. Reactive power flow that is too large can also cause losses. However, this reactive power is also an important component in the stability of the electric power system. For this reason, the flow of active and reactive power in transmission lines needs to be regulated so that the capacity and stability of the electric power transmission system is maintained.
Implementation of the Internet of Things in Centrifuge Calibrators Kuspranoto, Abdul Haris; Alfatih, Muhammad Fa'iz; Yudono, Muchtar Ali Setyo
Fidelity : Jurnal Teknik Elektro Vol 6 No 3 (2024): Edition for September 2024
Publisher : Universitas Nusa Putra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/fidelity.v6i3.240

Abstract

The implementation of Internet of Things (IoT) technology in centrifuge calibrators brings innovation by enhancing accuracy and efficiency in medical device calibration. This research develops an IoT-based centrifuge calibrator capable of storing calibration data digitally and providing real-time access, using the E18-D80NK sensor for rotational motion detection, which is more cost-effective than conventional laser modules. Measurement results demonstrate high accuracy across various RPM settings (1000, 1500, 2000, 2500, and 3000 RPM), with minimal error and stability within acceptable tolerance limits. The key advantage of IoT implementation lies in efficient calibration data management, enabling real-time access and integration with other systems for effective analysis and monitoring of calibration outcomes. Overall, IoT technology in centrifuge calibration not only enhances healthcare service quality with reliable results but also supports efficient and transparent equipment management in medical settings, offering long-term benefits to healthcare facilities and patients.
Comparison Between Maintenance of Distribution Substations Using the Mobile Substation Unit (UGB) Method and Maintenance of Blackout Distribution Substations regarding Energy Not Served (ENS) which is not distributed to PLN UP3 Serpong Dwi Putra, Gagas; Dalimunthe, Muhammad Erpandi; Zulkarnain
Fidelity : Jurnal Teknik Elektro Vol 6 No 3 (2024): Edition for September 2024
Publisher : Universitas Nusa Putra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/fidelity.v6i3.241

Abstract

Electricity has become an important part of human life along with technological developments in this modern era. Economic progress, quality of life and the business world are very dependent on the electricity supply supplied by PT. PLN (Persero) UP3 Serpong. Electric power distribution is the final stage in the electric power delivery process. This is the process of distributing electric power from the electricity transmission system to electricity consumers. One of the main components in the electric power distribution system is the distribution substation. A distribution substation is an electrical installation device which contains disconnecting, connecting, safety and distribution transformer equipment to distribute electrical power according to consumer needs. Maintenance at distribution substations is carried out to support services to electricity consumers so that the substation equipment used is in reliable condition. and guaranteed continuity. Regular maintenance on distribution substations is important so that distribution substations do not experience damage and disruption while operating.
Embedded System of Battery Charging with Constant Current System using Microcontroller and IC LM338 Puspasari, Fitri; Sismanto
Fidelity : Jurnal Teknik Elektro Vol 6 No 3 (2024): Edition for September 2024
Publisher : Universitas Nusa Putra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/fidelity.v6i3.244

Abstract

The battery has the function of an electrical energy storage system. However, charging the battery is prone to damage. Damage to the battery is often caused by overcharging. The time used during the battery charging process is an important factor that must be considered when charging. thus, efficient battery charging is important and very necessary to avoid damage. An another important aspect of a battery charging method is the current and voltage values supplied during its charging process. The presence of inappropriate values damages and reduce battery life, while the maintenance of a constant current is an important charging process step that extends service life. This research is expected to create a safe and optimal battery charging system with a simple low-cost circuit based on constant current by utilizing the LM388 Integrated Circuit (IC) regulator. This study discusses a 12 V battery charging system with monitored and controlled constant current using an R-Shunt sensor. Voltage monitoring while charging was carried out with voltage sensors using a constant current of 0.1 to 1.3 Ampere. Furthermore, voltages and currents were displayed through a Liquid Crystal Display (LCD) screen controlled with Arduino Uno during battery charging. The measurement results showed that the circuit reached voltages and currents of 14.07 V and 0.19 A respectively for a charge duration of 8 hours.
Design of Lightning Strike Hazard Zone Detection System for Direct Lightning Strike Prevention in Open Area Nugraha, Adi; Al Bantani, Rahmat Ato'ullah Gumilang; Grahito; Yudono, Muchtar Ali Setyo; Suryana, Anang
Fidelity : Jurnal Teknik Elektro Vol 6 No 3 (2024): Edition for September 2024
Publisher : Universitas Nusa Putra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/fidelity.v6i3.247

Abstract

Lightning is a dangerous natural phenomenon due to its high-voltage electrical energy, which can cause significant damage. The primary hazard of lightning is direct strikes, potentially leading to severe burns, organ failure, and even death. Additionally, lightning can trigger fires, disrupt power grids, and cause explosions. To mitigate these risks, this research focuses on designing a lightning detection system using the "rolling sphere" method. The lightning strike zone is modeled using CorelDRAW software, aiding users in visualizing areas prone to lightning strikes. The device is assembled with electronic components designed to detect lightning based on the method, considering parameters such as peak current, current steepness, charge, and impulse force. Once assembled, the system undergoes testing in an open area at the Faculty of Engineering, Sultan Ageng Tirtayasa University, to verify its functionality and accuracy. Testing is conducted at night to minimize weather-related disturbances, such as Cumulonimbus clouds. The results confirm that the device operates as expected, successfully identifying areas at risk of lightning strikes. This system is anticipated to enhance safety and infrastructure protection in lightning-prone regions.
A Novel Interval Type-2 Fuzzy Logic Controller for Shunt Active Power Filters in Power Quality Enhancement Sidik, Aryo De Wibowo Muhammad; Efendi, Efendi; Lumbantobing, Harurikson; Indrawan, Bayu; Junfithrana, Anggy Pradiftha; Ula, Rini Khamimatul; Suryana, Anang; Tambunan, Handrea Bernando; Narputro, Panji; Artiyasa, Marina
Fidelity : Jurnal Teknik Elektro Vol 6 No 2 (2024): Edition for May 2024
Publisher : Universitas Nusa Putra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/fidelity.v6i2.248

Abstract

This paper proposes a novel control strategy for enhancing power quality through the implementation of an Interval Type-2 Fuzzy Logic Controller (T2FLC) for Shunt Active Power Filters (SAPF). The presented method effectively addresses harmonic distortions introduced by non-linear loads, a common issue in modern electrical systems. Extensive simulations conducted in MATLAB/Simulink demonstrate the T2FLC's ability to regulate the DC bus voltage while significantly reducing Total Harmonic Distortion (THD). The method achieves superior performance compared to both traditional passive and active filtering techniques, reducing THD within the limits specified by IEEE 519-2014 standards. The results confirm the robustness and adaptability of the proposed approach across varying load conditions, establishing it as a reliable and scalable solution for improving power quality in complex electrical networks.
Application of schneider M340 PLC on dynamic braking of three phase induction motor Ferdianto Tangdililing, Ferdi; Runtono, Marcelino Rioz
Fidelity : Jurnal Teknik Elektro Vol 6 No 3 (2024): Edition for September 2024
Publisher : Universitas Nusa Putra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/fidelity.v6i3.251

Abstract

This study designs and builds a PLC application to optimize the dynamic braking process of a three-phase induction motor for safer and more efficient operation. This application monitors the motor braking system and calculates the motor braking time through a computer. The method used is experimental with the aim of designing a PLC application as a motor braking system using the dynamic braking method. The braking system utilizes PLC as the control system. To achieve dynamic braking, the stator coil of the motor receives an injection of direct current (DC) from a directed power source. In this testing, the observed variables are the injected DC current value and the duration of the injection time. The test results demonstrate that the implementation of PLC in the dynamic braking of a three-phase induction motor performs well in calculating the motor braking time and monitoring the braking process. With a DC current injection of 0,5 A in the dynamic braking test, an average stopping time of 2,63 seconds was obtained. With a DC current injection of 0,75 A in the dynamic braking test, an average stopping time of 2,13 seconds was obtained.
Design and Construction of Overcurrent Soft Starting on ESP32 Microcontroller Based Water Machine Situmorang, Deslan; Paramitha, Nina
Fidelity : Jurnal Teknik Elektro Vol 6 No 3 (2024): Edition for September 2024
Publisher : Universitas Nusa Putra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/fidelity.v6i3.253

Abstract

The advancement of household water pump technology utilizing induction motors provides numerous benefits, such as efficiency and low cost, but also faces challenges like high inrush current. This study demonstrates the necessity of voltage reduction methods to address high inrush currents that can impact home electrical systems. Testing reveals that the device's error percentage is 0.31%, indicating good performance. The DHT22 and PZEM sensors operate optimally in detecting temperature and current, and controlling relays and water pumps according to the specified thresholds, achieving a 100% system success rate. These results confirm that the system operates as expected according to the specifications.
Stability Analysis Of Two-Position Control System In Interacting Tanks Using Describing Function Method Andi, Purwandito Tulus Asmoro
Fidelity : Jurnal Teknik Elektro Vol 6 No 3 (2024): Edition for September 2024
Publisher : Universitas Nusa Putra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/fidelity.v6i3.254

Abstract

In a water storage unit consisting of 3 interacting tanks, in its operation there will be problems if manual control is used, because if manual control is not optimal, then when filling water in the three tanks it will cause water overflow, which results in a lot of water being wasted. Two-position control, or "on-off," is a control system that is suitable for use in regulating the water level in the storage unit tank. In a two-position control system, if the frequency of water up and down (Limit Cycle) is large, it will cause an increase in the number of "switching" and "on-off" operations of the switch and solenoid valve per minute, so that the system becomes unstable and will shorten the life of the component. The Describing Function (DF) method is an analysis method that can determine the Limit Cycle frequency based on the width of the water up and down range (hysteresis) of the two-position control system, with the aim of determining the hysteresis parameters that cause the system to be stable.

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