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All Journal ELKHA : Jurnal Teknik Elektro Jurnal IPTEK Jurnal Abdimas BSI: Jurnal Pengabdian Kepada Masyarakat JPP IPTEK (Jurnal Pengabdian dan Penerapan IPTEK) JEECAE (Journal of Electrical, Electronics, Control, and Automotive Engineering) Abdimas Galuh: Jurnal Pengabdian Kepada Masyarakat Community Development Journal: Jurnal Pengabdian Masyarakat Madiun Spoor : Jurnal Pengabdian Masyarakat Prosiding Seminar Nasional Teknik Elektro, Sistem Informasi, dan Teknik Informatika (SNESTIK) Electron: Jurnal Ilmiah Teknik Elektro Journal Geuthee of Engineering and Energy International Journal of Multidisciplinary Approach Research and Science Berkala Forum Studi Transportasi antar Perguruan Tinggi Sainstech Nusantara
Triwijaya, Santi
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Battery Management Optimization Considers The State Of Charge Using The Coulomb Counting Method Triwijaya, Santi; Pradipta, Andri
Journal Geuthee of Engineering and Energy Vol 2, No 1 (2023): Journal Geuthee of Engineering and Energy
Publisher : Geuthèë Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (228.794 KB) | DOI: 10.52626/joge.v2i1.14

Abstract

The Battery Management System (BMS) is important because more and more electronic devices and vehicles use batteries as a power source. Without BMS, battery charging can become unstable, resulting in overcharging and reducing battery life. Therefore, BMS is becoming increasingly important as part of the development of safer and more efficient technologies, resulting in more reliable and safer electronic devices and vehicles. The Coulomb Counting method is used to determine the state of charge of the battery at the beginning and end of charging. The coulomb counting method is very accurate for determining the state of charge because it calculates the incoming and outgoing electric charge from the read current value. The voltage from source to load uses a buck converter to step down the voltage from 27.3V source to 25.5V load voltage. The Coulomb Counting (CC) method is used to estimate the SOC of the battery being monitored. The CC method is accurate for estimating the SOC value during charging and discharging but cannot determine the initial SOC value. The results of the current test have an accuracy of 96.03% and the voltage test has an accuracy of 99.22%.
Analisa Gardu Traksi Boilevard Selatan Akibat Jatuh Tegangan Triwijaya, Santi; Nugroho, Agung; Pradipta, Andri; Wati, Trisna
Prosiding Seminar Nasional Teknik Elektro, Sistem Informasi, dan Teknik Informatika (SNESTIK) 2025: SNESTIK V
Publisher : Institut Teknologi Adhi Tama Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31284/p.snestik.2025.7321

Abstract

South Boulevard traction substation with the output of the rectifier of 750VDC and 4000A against LRV loading under normal and abnormal conditions. This research was conducted with data sources in the form of specifications for traction substation equipment, 3rd rail specifications, and LRV specifications. The power generated by the South Boulevard traction substation under normal and upnormal conditions will be compared with the LRV load when the headway is narrowed, the train set is added, and the voltage drop is measured. The traction substation is said to be able to bear the load when the power used by the load does not exceed the power provided by the traction substation so that the LRV operation can run. The results of the analysis stated that under normal conditions the capacity of the South Boulevard to Pulomas traction substation obtained the smallest value of 2 minutes headway for 2 train sets at 1806,1KW power with a drop voltage of 30V and the capacity of the South Boulevard to North Boulevard traction substation obtained the smallest value of 2 minutes headway for 2 train sets at 1697,9KW power with a drop voltage of 27,4V. Upnormal condition of the capacity of the South Boulevard to Pegangsaan Dua traction substation, the smallest headway value was 5 minutes for 2 train sets at 1643,2KW power with a drop voltage of 45V and the capacity of the South Boulevard to Equestrian traction substation was obtained the smallest value of 4 minutes headway for 2 train sets at 1651,5KW power a drop voltage of 36,4V.
Integrated IoT System for Real-Time Electrical Load Monitoring Prasetyo, Yuli; Triwijaya, Santi; Khakim, Ainul; Prakoso, Dimas Nur; Winarno, Basuki
Journal Geuthee of Engineering and Energy Vol 4, No 1 (2025): Journal Geuthee of Engineering and Energy
Publisher : Geuthèë Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52626/joge.v4i1.57

Abstract

 The uncontrolled and excessive consumption of electrical energy, especially in households, often leads to significant energy waste. This issue adversely affects both consumers and electricity providers such as PLN. To address this problem, a system titled "Centralized Monitoring and Control Based on Load Characteristics Using the Internet of Things (IoT)" was developed. This system is designed to monitor and control household electrical loads in real time. The system consists of a PZEM-004T sensor for measuring voltage, current, power, energy usage, frequency, and power factor. An Arduino microcontroller processes the sensor data, while an ESP32 module transmits the data to an online database. A relay module is used to control electrical devices remotely. The data is stored in a database and visualized through a web-based interface, which also enables users to download monitoring reports in PDF or Excel formats. Testing results showed that the system operates with high accuracy. When compared to a standard power analyzer, the measurement error for parameters such as voltage, current, frequency, and power factor remained low, with a maximum error of only 1.9%. It demonstrates the system’s potential for efficient energy monitoring and management in residential settings.
Analisa Implementasi Double Boost Converter Pada Inverter 1 Fasa Full Bridge Berbasis Mikrokontroller Prasetyo, Yuli; Triyono, Budi; Triwijaya, Santi
Journal Geuthee of Engineering and Energy Vol 1, No 1 (2022): Journal Geuthee of Engineering and Energy
Publisher : Geuthèë Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (349.77 KB) | DOI: 10.52626/joge.v1i1.7

Abstract

Inverter adalah salah satu alat elektronika yang digunakan untuk mengubah tegangan DC (Dirrect Current) menjadi tegangan AC (Alternating Current). Inverter ini diaplikasikan pada pembangkit listrik tenaga floating hydro portable. Gelombang output dari suatu inverter dapat berupa gelombang sinus (sine wave), gelombang kotak (square wave), dan gelombang sinus modifikasi (modified sine wave). Inverter 1 fasa full bridge ini dirancang menggunakan teknik PWM berbasis mikrokontroler Arduino uno, optocoupler sebagai driver 4 MOSFET, transistor 9014 sebagai penguat tegangan inverter, serta rangkaian double boost converter sebagai penaik tegangan pengganti transformator. Inverter ini menggunakan metode mengubah tegangan dari double boost converter 311 Volt DC menjadi 220 Volt AC dengan sumber utama accumulator 12 VDC-35Ah. Tegangan output yang dihasilkan oleh double boost converter sebesar 316 Volt DC. Inverter ini mampu mengubah tegangan 316 Volt DC ke 288,1 Volt AC frekuensi 49,50 Hz dengan gelombang output berbentuk gelombang kotak
Analysis for Lightning System on PPKA Building Depok Station sunardi, sunardi; Triwijaya, Santi; Prih Raharjo, Efendy; Reinaningtyas, Elysaa
SAINSTECH NUSANTARA Vol. 1 No. 3 (2024): August 2024
Publisher : Nusantara Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71225/jstn.v1i3.68

Abstract

The PPKA building contains vital railway equipment components. In a high level of lightning density, external protection is required to prevent damage due to direct lightning strikes. By raising and changing the position of the spritzer diagonally to a height of 12 meters , the protection radius is 27.42 meters ; by moving one of the splitzer positions in building B and raising it to a height of 9 m, the protection radius is 26 m and 20.7 meters , the same thing is done with a height of 12 meters , the protection radius is 30.6 m and 24.5 meters ; This optimization is able to protect the entire building. Rolling method sphere (RSM) obtained a radius of 60 meters. RSM Prevectron3 S50 obtained a ∆L value of 50 meters with r ESE of 110 meters , while RSM Viking V6 obtained an ∆L value of 70 meters , with r ESE of 130 meters , with the design planning option using rolling sphere is able to protect the entire building.
SHARING SESSION TERKAIT JURNAL NASIONAL TERAKREDITASI UNTUK PENINGKATAN PUBLIKASI ILMIAH DOSEN Pratiwi, Damar Isti; Triwijaya, Santi; Adi, Wahyu Tamtomo; Prihatanto, Rusman
Abdimas Galuh Vol 5, No 2 (2023): September 2023
Publisher : Universitas Galuh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25157/ag.v5i2.11107

Abstract

Publikasi karya ilmiah pada jurnal nasional terakreditasi merupakan salah satu syarat wajib bagi kenaikan pangkat dosen terutama bagi mempunyai jabatan akademik Lektor Kepala, menurut Pedoman Operasional Beban Kerja Dosen tahun 2021. Namun faktanya, masih banyak dosen yang terkendala dengan syarat tersebut sehingga mengalami stagnansi dalam jabatan akademik. Dari hasil survei awal yang dilakukan terhadap 200 dosen di Indonesia dari Kementerian Pendidikan dan Kebudayaan, Kementerian Agama dan Kementerian Perhubungan, diperoleh data bahwa para dosen memerlukan informasi terbaru mengenai jurnal nasional terakreditasi dan mendapatkan penjelasan terkait sistem Open Journal System (OJS) sehingga karya ilmiah mereka dapat dipublikasikan pada jurnal-jurnal nasional terakreditasi di Science and Technology Index (Sinta). Untuk itulah, kegiatan sharing session ini diadakan sehingga dapat membantu meningkatkan publikasi ilmiah dosen untuk perkembangan ilmu pengetahuan dan peningkatan jabatan akademik. Kegiatan ini dilakukan secara daring dengan tujuan untuk menjangkau peserta dari berbagai lokasi di Indonesia. Metode sharing session dilakukan melalui presentasi oleh narasumber yang dilanjutkan dengan sesi exploratory study melalui tanya jawab dengan seluruh peserta kegiatan. Hasil dari kegiatan ini menunjukkan bahwa kegiatan ini bermanfaat bagi para dosen untuk memperoleh informasi terbaru mengenai akreditasi jurnal nasional dan OJS, sehingga dapat meningkatkan tingkat diterimanya artikel ilmiah pada jurnal nasional terakreditasi
Development of an internet of things-based monitoring system for small vertical axis wind turbine Prasetyo, Yuli; Triyono, Budi; Artono, Budi; Triwijaya, Santi; Khakim, Ainul; Ramadhan, Ade Nofa
Journal Geuthee of Engineering and Energy Vol 4, No 2 (2025): Journal Geuthee of Engineering and Energy
Publisher : Geuthèë Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52626/joge.v4i2.65

Abstract

Small-scale wind turbines often face challenges related to low energy conversion efficiency and the lack of adequate monitoring and automatic protection systems against fluctuating weather and load conditions. This study presents the design and implementation of an Internet of Things (IoT)-based monitoring and protection system for a Small Vertical Axis Wind Turbine (VAWT). The system utilizes Arduino Uno and NodeMCU ESP8266 microcontrollers integrated with INA219, LM35, anemometer, infrared, and DC voltage sensors. Data acquisition and transmission are managed through Wi-Fi communication and displayed on the ThingSpeak web platform for real-time visualization. Experimental testing demonstrated that the system successfully measured and transmitted voltage, current, power, wind speed, temperature, and rotational speed parameters with an average data transmission latency of less than 3 seconds. The protection mechanism activated effectively under simulated abnormal conditions such as over-speed and over-temperature, automatically disconnecting the load to prevent turbine damage. The measurement accuracy for INA219 voltage and current sensors reached ±0.2 V and ±0.05 A, while temperature detection with LM35 had an average deviation of ±0.8 °C. The results indicate that the proposed IoT-based VAWT monitoring system is capable of providing reliable, low-cost, and real-time supervision suitable for small-scale renewable energy applications. Furthermore, it can be used as a learning prototype in vocational education to understand the integration of renewable energy and IoT technologies.
Implementation of smart room system based PLC and block diagram function programming Triwijaya, Santi; Prasetyo, Yuli; Triyono, Budi; Nur Prakoso, Dimas; Multazam, Teuku
Journal Geuthee of Engineering and Energy Vol 3, No 1 (2024): Journal Geuthee of Engineering and Energy
Publisher : Geuthèë Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52626/joge.v3i1.36

Abstract

Technological developments have brought a revolution in the smart home concept, with smart rooms becoming the main focus to increase comfort, efficiency and security. This article explores the concept of a Programmable Logic Controller (PLC) based smart room with Function Block Diagram (FBD) programming. PLCs, which were originally used in industry, were introduced into the smart home environment as a central brain capable of managing and controlling electronic devices. FBD programming, with its visual approach, provides an intuitive programming solution by using function blocks to represent control logic. Through the use of FBD-based PLCs, smart rooms can be effectively automated, including lighting, temperature and security aspects. The advantages of this method include an easy-to-understand programming interface and the ability to design control logic without requiring a deep understanding of programming languages. The research results show that FBD-based PLCs provide an efficient and effective solution to improve the function of smart rooms. This implementation can provide significant benefits in terms of energy management, occupant comfort and home security. Thus, the PLC-based smart room concept with FBD programming marks a step forward in realizing a smart home that is responsive, connected, and can be adapted to the needs of residents.
SISTEM CHARGING 110 VDC SEBAGAI SUPPLY CONTROL CIRCUIT VOLTAGE KUBIKEL 20 KV Prakoso, Dimas Nur; Prasetyo, Yuli; Winarno, Basuki; Triyono, Budi; Triwijaya, Santi
ELECTRON Jurnal Ilmiah Teknik Elektro Vol 6 No 2: Jurnal Electron, November 2025
Publisher : Jurusan Teknik Elektro Fakultas Teknik Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/electron.v6i2.322

Abstract

The 110VDC supply at the substation serves as a supply for the control and protection system at the cubicle panel. In addition, the 110VDC battery used as a backup supply plays an important role when the main supply source is lost. Loss of supply 110VDC is fatal to the electrical system. Causes electrical interference cannot be monitored and protection failure. 110VDC batteries may experience voltage drops. There are several ways to keep the battery in good condition when used, one of them with a charging system which functions to maintain the condition battery. This system uses a Buck converter circuit with charging pulses through the duty cycle can distribute high electric current to battery. With a Buck converter output voltage of 111 Volt 6.54 A at duty cycle 55% using dummy load. Test results with a voltage of 110VDC and a current of 5A in testing with dummy load of 10Ω480W obtained voltage output of 103VDC and current of 8.40A, in testing with dummy load of 10Ω400W received voltage output of 136VDC and current of 6.28A, in testing with dummy load of 12Ω500W received voltage output of 122VDC and current of 6.00 A, in testing with dummy load of 15Ω500W received voltage output of 127VDC and current of 5.88 A, in testing with dummy load of 11Ω500W received voltage output of 111VDC and current of 6.54A. From the overall test data by providing a load in the form of a dummy load, an average error of 9.86% was obtained.
Co-Authors Aghastya, Adya Agustriana, Titiek Masdini Akhwan, Akhwan Arief Darmawan Arifidin, M. Afif Amalul Basuki Winarno, Basuki Budi Artono Budi Triyono Damar Isti Pratiwi Dimas Nur Prakoso Feriando, Dara Aulia Feryando, Dara Aulia Fikria, Ainun Hana Wardani Puruhita Iswanto, Ary Putra Khakim, Ainul Kusumo H, R. Jasa Lady Silk Moonlight Lestari, Sachiko Mawaddah Mohamad Ridwan Nugroho, Agung Pradipta, Andri Prakoso, Sandy Pranowo, Muhammad Afif Prih Raharjo, Efendy Puspitasari, Mariana Diah Ramadhan, Ade Nofa Reinaningtyas, Elysaa Rusman Prihatanto, Rusman Sunardi Sunardi Sunaryo Sunaryo Teguh Arifianto Teuku Multazam Trisna Wati, Trisna Wahyu Tamtomo Adi, Wahyu Tamtomo Wibowo, Agustinus P.E. Wibowo, Agustinus Prasetyo Edy Yuli Prasetyo