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Lektrokom: Jurnal Ilmiah Program Studi Teknik Elektro
Published by Universitas Kristen Indonesia
ISSN : -     EISSN : 26861534     DOI : https://doi.org/10.33541/lektrokom.v4i1
Core Subject : Science, Engineering,
Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering
Jurnal Lektrokom berisi makalah paper/karya ilmiah dosen, mahasiswa yang terkait dengan Bidang Energi Terbarukan, Control System, ICT, Telecommunication, Smart Energy System yang diterbitkan secara resmi pada Bulan September 2019 oleh Program Studi Teknik Elektro FT UKI. Tujuan Jurnal diterbitkan adalah untuk Publikasi Karya Ilmiah Dosen dan Mahasiswa dengan bidang spesifik Teknik Tenaga Listrik & Teknik Kontrol. Sedangkan cakupan atau fokus masalah yang dicakup adalah Energi Terbarukan, Sistem Kontrol & Cerdas, Smart Grid. Untuk penerbitan jurnal adalah 2 kali dalam setahun yaitu di bulan Maret dan September.
Arjuna Subject : Energi (semua kategori) - Energi Terbarukan, Keberlanjutan dan Lingkungan
Articles 44 Documents
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PERHITUNGAN ENERGI SOLAR PHOTOVOLTAIC DI WILAYAH KABUPATEN NIAS DAN KABUPATEN MENTAWAI DENGAN MENGGUNAKAN METODE PROBABILISTIK Boy Harefa; Bambang Widodo; Stepanus stepanus; Robinson Purba
Lektrokom : Jurnal Ilmiah Teknik Elektro Vol. 3 No. 1 (2020): Jurnal Lektrokom Volume 3, Oktober 2020
Publisher : Prodi Teknik Elektro FT UKI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/lektrokom.v3i1.3374

Abstract

This paper discusess the calculation of solar photovoltaic energy using a probabilistic approach in Nias and Mentawai districts. The application used is the @RISK Risk Analysis Project Model. In this research, the calculated random variable is the average temperature, the length of sunshine per month and solar radiation according to the regional zone. These three variables are fluctuating, so that the approach of each varianble uses a uniform distirbution function. From the three variables, it can be calculated that the energy generated by solar photovoltaic with a capacity of 100 Wp in Nias Regency is 21.062,57 kWh in one year with a probability of 55% and a capacity factor of 24,04%. Meanwhile, in Mentawai District, the same solar photovoltaic capacity of 100 Wp produces 19.249,47 kWh of energy with a probability of 50% and a capacity factor of 21,97%. From the results of this study it can be seen that the average temperature, duration of solar radiation and solar radiation can determine the electrical energy that can be generated by solar radiation can determine the electrical energy that can be generated by solar photovoltaic
PETA JALAN PENDIDIKAN REKAYASA ENERGI BAGI INDONESIA -- SEBUAH PROPOSAL Leonard Lisapaly; Togar Harapan Pangaribuan; Atmonobudi Soebagio
Lektrokom : Jurnal Ilmiah Teknik Elektro Vol. 2 No. 1 (2019): Jurnal Lektrokom Volume 2, Oktober 2019
Publisher : Prodi Teknik Elektro FT UKI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/lektrokom.v2i1.3375

Abstract

Indonesia has ratified 17 Sustainable Development Goals (SDG) recommended by the United Nations to all countries. The development itself cannot be carried out without the availability of electricity and fuel. Unfortunately, most of the electricity and transportation depend on fossil fuels, which will run out in the next 30 years. Besides its diminishing reserves, fossil fuels are the largest contributor to CO2 emissions in the world. To develop electricity from renewable energy, Indonesia needs to prepare its experts and operators through mid and high education to carry out research, operations and future development. This paper offers a road map for higher education and its direction of research and development in the field of renewable energy engineering.
RANCANG BANGUN SISTEM PEMBANGKIT LISTRIK TENAGA SURYA TERHUBUNG DENGAN JARINGAN LISTRIK PLN PADA KANTOR DI BINTARO - JAKARTA SELATAN Brilliant Brilliant; Robinson Purba; Atmonobudi Soebagio
Lektrokom : Jurnal Ilmiah Teknik Elektro Vol. 2 No. 1 (2019): Jurnal Lektrokom Volume 2, Oktober 2019
Publisher : Prodi Teknik Elektro FT UKI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/lektrokom.v2i1.3377

Abstract

This paper discusses the design and construction of a solar powered generation system (PVs) in a 3-storey office building in the Bintaro area. The paper discusses the costs to build PVs, as well as an analysis of the value of investments using RETScreen Expert software. The calculation to get the PVs capacity is based on the area of ​​the roof and the electricity load of the office. This PV system will be integrated with the PLN electricity network in serving electricity loads in offices on each floor. The type of PV module has 305Wp capacity per module. The investment value is simulated with the assumption that battery units are replacemed every 3 years, repayment of the loan for 10 years with an advance of 50%, an interest rate of 5.75% and inflation of 3.28%. From the simulation we also obtained a comparison of investments between replacing the battery units once every 3 years with every 10 years, which became the basis for the decision of the PLTS owner to determine the scheme to be choiced.
Modeling an Intelligent Agriculture System Simulation Based on Mobile Cloud Internet of Things (IoT) Susilo, Susilo; Abadi, Surjo
Lektrokom : Jurnal Ilmiah Teknik Elektro Vol. 4 No. 1 (2021): Jurnal Lektrokom Volume 4, September 2021
Publisher : Prodi Teknik Elektro FT UKI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/lektrokom.v4i1.3378

Abstract

Intelligent systems based on the Internet of Things (IoT) used for analysis and monitoring needs are present in all areas of human life and agriculture. Through the smart system was created, it can provide recommendations for management and also improving for agricultural and livestock production. Monitoring is done by collecting data (data collecting) and being modeled from several temperatures, humidity, gas, distance measurement, light indicators. The concept of E-Agriculture (Electronic Agriculture) is limited to monitoring environmental conditions of agricultural production and also provides an overview of E-Agriculture or E-Farm modeling on a larger scale. The E-AgriFarm intelligent system simulation using Arduino Controller and Blynk's Cloud IoT has a temperature measurement range of 26 - 31 0C, Relative humidity (RH) from 47% - 64%, and detection of a water level of at least 40-50 cm meters for drinking containers for each livestock with a capacity of 20 liters, and the systems can detect the level of pollution of gas leaks. Thus the E-AgriFarm smart system can provide management recommendations and increase the livestock production system to be better monitored and controlled.
Produksi Gas Oxy-Hidrogen dari Air sebagai Energi Baru Terbarukan Melalui Multi Series Cell Elektrolisis Futung Mustari; Bambang Widodo; Jalius Salebay
Lektrokom : Jurnal Ilmiah Teknik Elektro Vol. 1 No. 1 (2018): Jurnal Lektrokom Volume 1 Oktober 2018
Publisher : Prodi Teknik Elektro FT UKI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/lektrokom.v1i1.3386

Abstract

Seperti diketahui bahwa gas OxyHidrogen mempunyai molekul mono atomik yang dapat digunakan sebagai bahan bakar alternatif atau sumber energi terbarukan yang tiada habisnya untuk dimanfaatkan dalam mesin pembakaran internal maupun untuk Pengelasan (welding). Elektroliser dibuat menggunakan elektroda berupa Plat stainless steel tebal 0.6 mm dan diameter 6 inchs yang di susun 100 lapis (cel) yang berfungsi sebagai katoda dan anoda Penelusuran kepustakaan memperlihatkan bahwa, proses elektrolisa air dalam menghasilkan Oxyhidrogen gas biasanya menggunakan tegangan searah 12 Volt DC atau 24 V direct current dengan jumlah 6 cel dan 12 cel. Makalah ini membahas proses elektrolisa air dengan 100 cel menggunakan tegangan listrik 220 V ac. Hasil percobaan memperlihatkan bahwa produksi gas OxyHydrogen, 16 kali lebih besar jika menggunakan tegangan listrik 220 Volt ac dibandingkan dengan menggunakan tegangan listrik searah 12 Volt DC dengan 6 cel, dan 8 kali besar jika dibandingkan dengan tegangan listrik searah dengan teganan 24 Volt DC dengan 12 cel.
Analisis Ketahanan Energi Kantor Pemasaran Podomoro Golf View Dengan Penerapan Pembangkit Listrik Tenaga Mikro Hidro Head Rendah di Bendung Cikeas - Cimanggis Mosses Morisca Elim; Robinson Purba; Atmonobudi Soebagio
Lektrokom : Jurnal Ilmiah Teknik Elektro Vol. 2 No. 1 (2019): Jurnal Lektrokom Volume 2, Oktober 2019
Publisher : Prodi Teknik Elektro FT UKI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/lektrokom.v2i1.3387

Abstract

Sungai dengan kapasitas besar dan head rendah belum dimanfaatkan secara maksimal sebagai alternatif pembangkit listrik yang ramah lingkungan, termasuk Sungai Cikeas yang berada dalam kawasan pengembangan hunian Podomoro Golf View (PGV) Cimanggis. Dengan penerapan teknologi turbin propeller head rendah yang dikembangkan oleh Pusat Penelitian Tenaga Listrik dan Mekatronik Lembaga Ilmu Pengetahuan Indonesia (LIPI), daya efektif masing-masing turbin sebesar 500 watt, Sungai Cikeas berpotensi membangkitkan listrik dengan daya efektif sebesar 8 kW, dengan menggunakan 16 unit turbin propeller. Kajian ini menganalisis tingkat ketahanan energi di Kantor Pemasaran PGV dengan penerapan Pembangkit Listrik Tenaga Mikro Hidro(PLTMH) dengan turbin propeller head rendah pada bendung Cikeas dikawasan PGV dari sudut pandang ketahanan energi. Penilaian akan dilakukan atas 4 (empat) aspek ketahanan energi yaitu availibility, accessibility, affordibility dan acceptability, berdasarkan definisi ketahanan energi dalam Peraturan Pemerintah Nomor 79 (PP No. 79) tahun 2014 tentang “Kebijakan Energi Nasional”. Hasil analisis ketahanan energi didapat: aspek availability dengan indikator ketersediaan listrik: Perseroan Terbatas Perusahaan Listrik Negara (PLN) = 0.999, PLTMH = 0.6; aspek accessability dengan indikator jarak dari sumber energi ke beban: PLN = 0.84, PLTMH = 0.7; aspek affordability dengan indikator harga satuan energi listrik: PLN = 0.89, PLTMH = 0.95; aspek accessability dengan dua indikator, yaitu emisi gas karbon dioksida (CO2): PLN = 0.12, PLTMH = 1, dan objek pariwisata: PLN = 0.96, PLTMH = 0.99.
SISTEM PENGENDALIAN SUHU DAN KELEMBABAN PADA BILIK DISINFEKTAN BERBASIS BLYNK DENGAN MENGGUNAKAN NODEMCU ESP8266 Daniel Bawer Simanjuntak; Bambang Widodo; Susilo Susilo; Stepanus stepanus; Judo Ignatius Nempung
Lektrokom : Jurnal Ilmiah Teknik Elektro Vol. 4 No. 1 (2021): Jurnal Lektrokom Volume 4, September 2021
Publisher : Prodi Teknik Elektro FT UKI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/lektrokom.v4i1.3388

Abstract

Coronavirus Disease 2019 (COVID-19) has been declared by WHO as a global pandemic and in Indonesia it is stated as a type of disease that causes public health emergencies and non-natural disasters, so it is necessary to make prevention efforts including prevention and control (Kemenkes RI, 2020) regarding prevention guidelines. and control of coronavirus disease 2019 (COVID-19). One way to prevent the spread of covid-19 is to spray disinfectants on objects suspected of having a virus. Especially for the human body, disinfectant spraying is carried out in a specially designed room or room. These booths are placed in markets, malls, schools, places of worship and so on. This research was conducted from September 2020 to December 2020 at the Faculty of Engineering, Christian University of Indonesia, Jakarta. Based on the test, it was found that the temperature and humidity can be displayed on the LCD and mobile phones via the Blynk application. Temperature regulation is done by activating or deactivating the exhaust fan and fan. At a temperature of> 280C the exhaust fan and fan will be active, then not active if the temperature is ≤280C. This tool has a measurement accuracy level for a temperature of 99.99% and 99.98% humidity with a thermohygrometer as a measurement reference tool.
Ship Communication System Planning Analysis Using Very Small Aperture Terminal (VSAT) Single Channel Per Carrier (SCPC) With KU-Band Frequency Susilo, Susilo; Pardomuan, Remon; Widodo, Bambang
Lektrokom : Jurnal Ilmiah Teknik Elektro Vol. 4 No. 1 (2021): Jurnal Lektrokom Volume 4, September 2021
Publisher : Prodi Teknik Elektro FT UKI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/lektrokom.v4i1.4158

Abstract

For commercial frequency telecommunication purposes, commonly used are C, Ku, and Ka-band. C-band is the most popular frequency used in Indonesia; its low frequency makes it relatively more resistant to rain interference. However, the use of C-band frequency is no longer sufficient for future communication needs. Alternative solution with higher frequency usage than C-band and Ku-band. The advantage of Ku-Band frequency is that with smaller antennas can produce large bandwidth (broadband), The use of Ku-band frequency also avoids interference because it is relatively uncommon in terrestrial systems. Determination of satellite, concerning the type of satellite, coverage area (footprint), and availability of satellite links (C-Band or Ku-Band). In this thesis, the satellites used in data analysis are SES-9 satellites, which are on a 108 ° East orbit with the availability of Ku-Band 81 links. (C / N) Total_inroute and (C / N) Total_outroute for the analyzed links are 11.49 dB and 12.44 dB, respectively. This value is greater than the value (C / N) req of 10.22 dB (C / N)> (C / N) req. ship communication system using VSAT SCPC with Ku-Band frequency can be applied
SISTEM PENGENDALIAN DAN MONITORING KUALITAS AIR TAWAR SERTA PEMBERIAN PAKAN OTOMATIS PADA BUDI DAYA IKAN NILA MENGGUNAKAN NODEMCU ESP-12F DAVID PARULIAN; Bambang Widodo; Stepanus; Tahan Tobing
Lektrokom : Jurnal Ilmiah Teknik Elektro Vol. 4 No. 1 (2021): Jurnal Lektrokom Volume 4, September 2021
Publisher : Prodi Teknik Elektro FT UKI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/lektrokom.v4i1.4201

Abstract

Indonesia is an aquatic country that has great potential in the field of fish farming. "Minister of Maritime Affairs and Fisheries Edhy Prabowo said that the target for freshwater fish production next year is 4,685,446 tons of the total national aquaculture of 18,440,000 tons in 2020. A total of 4,685,446 tons are freshwater fish commodities such goldfish, tilapia, catfish and carp". The important thing in fish farming is the provision of fish feed and controlling water quality in the pond such as temperature and pH levels in the water. This study aims to design a system that can monitor and control pH and temperature in red tilapia aquaculture ponds. In this study, the system will be tested to get the pH and temperature in the pond by following the Indonesian National Standard, which is in the range of 25°C to 32°C, and the pH level of the water is in the range of 6.5 to 8.5 to produce good water quality for tilapia. Based on the test, it was found that the minimum water pH is 7.29 and the maximum water pH is 8.65, then the time needed to make the pH normal again is 2.5 hours, meanwhile the minimum temperature is 26.5°C and maximum is 31.2°C and still meets the requirements. standard, and for feeding tilapia is 40.57 grams.
Analisis Perbandingan Daya Output Serta Efisiensi Modul Surya Tanpa Menggunakan Reflektor dan Menggunakan Reflektor Atap Galvalum dan Aluminium Foil Siahaan, David Soaloon; Stepanus; Purba, Robinson
Lektrokom : Jurnal Ilmiah Teknik Elektro Vol. 5 No. 1 (2022): Jurnal Lektrokom Volume 5 No. 1, September 2022
Publisher : Prodi Teknik Elektro FT UKI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/lektrokom.v5i1.4668

Abstract

Based on the location of Indonesian astronomy which is located on the equator, it is very appropriate or feasible if Indonesia develops PLTS as a technology to offset human demands for dependence on electricity. Indonesia also has a tropical climate (consisting of 2 seasons, hot and rainy), so that solar radiation in the territory of Indonesia (± 12 hours) is sufficient to make PLTS a solution for the demands of electricity needs. One of the technologies used in PLTS is solar panels. Solar panels are able to convert sunlight into electricity directly. The performance of solar panels is influenced by several factors, namely solar radiation, temperature and wind speed. Calculations and analysis of the measurement results show that the performance quality of solar cells is not very good, namely 0.143 for solar cells without reflectors, 0.156 for solar cells with galvalume roof reflectors and 0.157 for solar cells with aluminum foil reflectors. And the efficiency of solar cells without reflectors is 7.48%, for solar cells with galvalume roofs is 8.75%, and for solar cells with aluminum foil is 9.72%

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