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Eko Suprapto
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Fakultas Teknik Universitas Batanghari Jl. Slamet Ryadi, Broni-Jambi Kodepos: 36122
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Journal of Electrical Power Control and Automation (JEPCA)
Published by Universitas Batanghari Jambi
ISSN : -     EISSN : 2621556X     DOI : 10.33087/jepca
Core Subject : Engineering,
Electrical & Electronics Engineering
Journal of Electrical Power Control and Automation (JEPCA) rises 2 (two) times a year which is in June and December. The journal publishes articles of research results, and the articles that are entered should not be the result of plagiarism and have not yet been published elsewhere. The article will be reviewed by the reviewer and the result will be communicated to the author. This journal opens up a huge opportunity for authors who wish to contribute to Journal of Electrical Power Control and Automation (JEPCA). Journal of Electrical Power Control and Automation (JEPCA) covers field of science: Power Distribution Power Electronics Control system Automation Electronics Engineering and Energy Management
Arjuna Subject : Teknik (semua kategori) - Teknik Listrik dan Elektro
Articles 82 Documents
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Perancangan Turbin Tife Pelton Untuk Miniatur Pembangkit Listrik Tenaga Mikro Hidro Wan Azlan Abdullah
Journal of Electrical Power Control and Automation (JEPCA) Vol 2, No 2 (2019): Desember
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1010.013 KB) | DOI: 10.33087/jepca.v2i2.30

Abstract

The highest axle rotation is found in the use of variation comparison differences: The 4-to-1 gear comparison difference which results in a round axle of: 420 and 400 rpm. While the lowest axle rotation occurs peda different variations of gear comparison of 280 rpm. The water discharge that rotates the Pelton turbine generates a generator output voltage of 13.15.18 volts. Power generated power can be battery Mecharger 12 Volts 7.0 Ah and can be in the lamp burden 24 watts. As for the advice in the design of laboratory scale testing equipment of Pelton scales as follows; If you want to increase the voltage capacity of the resulting turbine so we have to enlarge the diameter of the turbine then increase the water discharge and increase the gear rotation ratio so that the generator output power is greater.
PERANCANGAN ATS (AUTOMATIC TRANSFER SWITCH) SATU PHASA MENGGUNAKAN KONTROL BERBASIS RELAY DAN TIME DELAY RELAY (TDR) Riki Rizaldi; S Umar Djufri
Journal of Electrical Power Control and Automation (JEPCA) Vol 1, No 2 (2018): Desember
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (484.257 KB) | DOI: 10.33087/jepca.v1i2.12

Abstract

Pemadaman listrik dapat mengakibatkan terganggunya kontiunitas pelayanan terutama pada aktivitas pelayan pada sektor perdagangan, perhotelan, rumahsakit, maupun industri. Dewasa ini penyaluran energi listrik PLN sering terjadi kegagalan dalam pendistribusian dikarenakan faktor internal maupun faktor eksternal, untuk memenuhi kebutuhan kontiniunitas akan energi listrik maka diperlukan sumber energi listrik lain sehingga jika terjadi pemadaman listrik dari PLN kebutuhan konsumen akan energi listrik tidak terganggu. Sumber-sumber energi listrik ini bersifat sementara  untuk melayani beban listrik dalam pemanfaatan energi listrik PLN menjadi sumber energi utama. ATS (Automatic Transfer switch), adalah alat yang berfungsi untuk memindahkan koneksi antara sumber tegangan listrik satu dengan sumber tegangan listrik lainnya secara automatis. Atau bisa juga disebut Automatic COS (Change Over Switch), pada penelitian ini akan dirancang sebuah ATS satu phasa dengan mereduksi jumlah Kontaktor untuk mendapatkan hasil yang lebih ekonomis dan mudah dalam perawatannya. ATS dalam penelitian ini menggunakan rangkaian kontrol berbasis relay dan Time Delay Relay (TDR). Dari hasil pengujian, alat ini dapat bekerja dengan baik pada proses switching secara manual maupun secara otomatis. Pada saat PLN terjadi pemadaman, terdapat penundaan waktuselama ± 6 detik sebelum genset melakukan starting. Hal ini bertujuan untuk menjaga komponen-komponen agar tidak rusak jika kadang kala PLN terjadi pemadaman sesaat.  
Listrik mikro hidro berdasarkan Potensi debit andalan sungai batanghari kota jambi Hendi Matalata
Journal of Electrical Power Control and Automation (JEPCA) Vol 1, No 1 (2018): Juni
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (395.502 KB) | DOI: 10.33087/jepca.v1i1.2

Abstract

The city of Jambi is an area batanghari river, the study of the utilization of renewable energy, especially hydro power through the tributaries should be considered for the planning of Micro Hydro Power Plant (PLTMH). Water conditions that can be utilized as electricity generating resources have a certain flow capacity and altitude of their drainage system. A major problem in hydroelectric generation is the availability of river water discharge as a propulsion energy. Therefore, certain techniques are needed to predict the potential flow of river water at all times or the river's main discharge that can be used for hydro-electric power generation, no long-term rainfall and critical watershed conditions can cause water flow the stream becomes small and even becomes dry. Manual river flow measurements over time can only represent the volume of river flow at the time of measurement. Changes that occur due to the occurrence of rain at a later time, or decrease in river discharge due to decreased soil water savings, can not be monitored properly it is necessary to plan a continuous discharge for the capacity of generator turbine rotation by calculating the electrical capacity of the generator which can be generated optimally
Analisis Limbah Kelapa Sawit Sebagai Bahan Bakar Boiler dengan Menggunakan Variasi Campuran Antara Fiber dan Cangkang Buah Sawit Jatmiko Edi Siswanto
Journal of Electrical Power Control and Automation (JEPCA) Vol 3, No 1 (2020): Juni
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (854.17 KB) | DOI: 10.33087/jepca.v3i1.35

Abstract

The growth of the palm oil management industry in Jambi which has an impact on the increasing size of palm oil management holidays include Fiber and Shells. Each processing of 1 ton of FFB produces 120 kg of fiber and produces 50 kg of shells. Where the two wastes have a high calorific value and thousands of tons of FFB are processed in Jambi every month. In this analysis will analyze the composition of combustion using fiber and shell to get the highest calorific value on the Boiler, where the composition analyzed is the ratio of 100% Fiber, 75% Fiber 25% Shell, 50% Fiber 50% Shell, 25% Fiber 75% Shell 100% shell. The results of research analysis The heating value of fiber and shell composition variations ranged from 14978,053 kJ/kg to 15463,083 kJ/kg. With the highest heating value is 100% fiber composition (15463,083 kJ / kg), and the lowest heating value is 100% shell composition. (14978,053 kJ/kg). The composition that gives the highest profit is the composition of 100% fiber. With the details of the value of water content, air requirements, low flue gas, and also produces a high heating value.
Tampilan Nama Hari Berbasis Mikrokontroler Arduino Uno Menggunakan Saklar Tekan pada Project Board Rozlinda Dewi; Dimas Agung Rozandi
Journal of Electrical Power Control and Automation (JEPCA) Vol 2, No 1 (2019): Juni
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (836.439 KB) | DOI: 10.33087/jepca.v2i1.26

Abstract

Arduino Uno is a variant of Arduino microcontroller board products. Arduino Uno uses AVR Atmega 328 microcontroller. With various advantages, In appearance (Display) the name of the day using Arduino Uno microcontroller technology is usually directly programmed. But sometimes the design of tools is moved when uploading the Arduino integrated development environment (IDE) program, therefore a push button (push button) is used to change the appearance of the day's name. For this study using a push switch (Push Button) in overcoming the error.
Rancang Bangun Pembangkit Listrik Alternatif Menggunakan Termoelektrik dengan Memanfaatkan pada Tungku Pemanas Muhammad Abdul Manap; Al Fikri
Journal of Electrical Power Control and Automation (JEPCA) Vol 3, No 2 (2020): Desember
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/jepca.v3i2.41

Abstract

his study aims to design an alternative power generator using a thermoelectric generator (TEG) by utilizing a heating furnace, using two thermoelectric generators (TEG) connected in series. Thermoelectrics that take advantage of temperature differences can produce voltages that correspond to the seebeck effect. The alternative power generator that has been designed consist of a thermoelectric, boost converter, and a 5 Watt DC lamp load. The test was carried out using a Boost Converter and using a 5 Watt DC lamp load for 20 minutes. The results of the research using the Boost Converter produce a voltage of 42.8 V with a temperature difference of 90°C, while using a 5 Watt DC lamp load produces a voltage of 8.81 V with a temperature difference of 82°C and the resulting current is 0.6 A, the resulting power 4.84W.
Analisis Perencanaan Jarak Celah Udara Pada Generator Axial Syafriyudin Syafriyudin; M Suyanto
Journal of Electrical Power Control and Automation (JEPCA) Vol 4, No 1 (2021): Juni
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/jepca.v4i1.48

Abstract

The generator uses a permanent magnet so it does not require initial excitation to generate a voltage. The generator design is axial flux type, uses ceramic type permanent magnet (NdFeB), uses two flanking stator rotors. For electricity use, the AC voltage is changed to DC voltage using a rectifier for charging the accumulator. The air gap in the axial generator is the distance between the rotor and the stator. The air gap is also a place for the transfer of the magnetic field through the coil on the stator to produce a magnetic flux value that affects the induced voltage in the coil. The faster the rotation, the greater the voltage generated. This axial generator that has been designed can produce a frequency of ± 50 Hz, an effective voltage of ± 22 V when the air gap is 2 mm, the frequency measurement has an error of 10-20 Hz and an error percentage of 5-10%, with the results of measuring the induced current that has a large the same voltage.
Perancangan Regulasi Tegangan AC - DC Menggunakan Filter Pasif Agus Prasetyo; Fajar Bima D.R; Hendi Matalata
Journal of Electrical Power Control and Automation (JEPCA) Vol 3, No 2 (2020): Desember
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/jepca.v3i2.37

Abstract

The adapter / power supply is a DC voltage source that is used to provide voltage or power to various electronic circuits that require DC voltage to operate. The main circuit of the power supply is  a rectifier, which is a circuit that converts an alternating signal (AC) into a direct signal (DC). The conversion process starts from rectification by the diode. In this paper, the Ripple Voltage Filter is carried out using a passive filter and the average voltage drop of the filter is 64%, the regulation (regulation) by the regulator circuit, the provision of this DC electrical energy source is to provide a unidirectional variable voltage ( DC) which aims to provide practical tools in Batanghari University electric laboratories while the benefits obtained from the research results are as a tool for practical activities in the electrical engineering laboratory of Batanghari University, Jambi.
Analisis Terjadinya Arus Netral Pada Trafo Distribusi 160 kVA Arfita Yuana Dewi; Asnal Effendi; Fahody M Syafar
Journal of Electrical Power Control and Automation (JEPCA) Vol 4, No 1 (2021): Juni
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/jepca.v4i1.45

Abstract

The Power distribution in a 3-phase system, cannot be separated from the flow of current in the neutral of the transformer, which will cause power losses (losses) where current flows into the neutral conductor and losses that flow into the neutral conductor. This study was conducted to determine the causes and magnitude of power losses that occur due to the occurrence of neutral current flowing in the neutral conductor in a 160kVA distribution transformer. The research location taken is the Distribution Transformer (G187 T) which is located on Jl. Hos Cokroaminoto Wisma Ombilin where load imbalances often occur. From the results, it can be seen that if the neutral wire has a cross-sectional size of 50 mm2, the current that passes through the neutral wire is 6.4% for the day and for the cross-sectional size of the wire is 70 mm2, it can reduce the power flowing to the neutral by a percentage of 4.77%. for the daytime. Efficiency value that occurs is greater at night that is 94.87% while for the day it is 93.44%. For the distribution of each - each phase, especially the S phase, so that it can be balanced because the power supplied to the S phase is too small. We recommend that the current flowing in the neutral wire must be channeled to the ground so that the current flowing in the neutral wire becomes zero.
Rancangan Bangun Turbin Mikrohidro Tipe Archimedes Screw Dengan Kapasitas Daya 560 Watt Zainuri Anwar; Beta Saud Parsaroan; Edi Sunarso
Journal of Electrical Power Control and Automation (JEPCA) Vol 4, No 1 (2021): Juni
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/jepca.v4i1.43

Abstract

The performance of a micro-hydro turbine was influenced by several factors, namely the design and the enviromental. This study aims to obtain the appropriate design parameters for the manufacture of screw turbines. This research was focused on blade dimensions and turbine screw pitch distance. The calculations were performed using several screw turbine fixing formulations. The design results show that the optimum blade diameter and turbine pitch range are 0.213 m and 0.312 m at 0.2 m3 / s of turbine inlet water flow and 563.3 Watt turbine shaft output power. The turbine screw test results of the design were carried out in the river flow of Puri Kedaton Housing, Pematang Gajah Village, Rt 13, Jambi Province. The test results show that the highest turbine power occurs at 30 kg shaft loading with a turbine output power of 445 Watts and an efficiency of 78.9%.

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