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All Journal Elektron Jurnal Ilmiah ELINVO (Electronics, Informatics, and Vocational Education) JURNAL INTEGRASI Journal of Applied Electrical Engineering Indo-MathEdu Intellectuals Journal Jurnal Pengabdian kepada Masyarakat Politeknik Negeri Batam Journal of Electronic and Electrical Power Application Recent in Engineering Science and Technology
Hasnira Hasnira, Hasnira
Politeknik Batam
Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Other

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USE OF THE DGA METHOD IN IDENTIFYING PROBLEMS ON 2 POWER TRANSFORMERS 2MVA 11.5KV- 0.4KV Hasnira, Hasnira; Rofii' Haekal, Hadi
Journal of Electronic and Electrical Power Applications Vol. 3 No. 2 (2023): JEEPA Volume 3 Nomor 2
Publisher : Program Studi Teknik Elektro Universitas Peradaban

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58436/jeepa.v3i2.1460

Abstract

This study discusses the application of four Dissolved Gas Analysis (DGA) methods in identifying failure indicators in power transformers. Transformer failures can occur in the form of thermal and electrical failures, producing hazardous gases known as fault gases. The insulating oil used in power transformers plays a role in cooling and dissolving these dangerous gases to prevent unrestricted circulation. Determining the type and concentration of gases dissolved in the oil can provide information about transformer failure indicators. Therefore, DGA analysis is conducted to determine effective methods for identifying these failure signs. Oil samples were taken from transformers and analyzed using four different DGA methods. The DGA analysis results revealed varying levels of gas concentration. Based on the analysis results using the Key Gas Method, Roger's Ratio Method, Doernenburg's Ratio Method, and Duval's Triangle Method, it was found that the transformers experienced thermal damage. The Duval's Triangle Method analysis concluded that two transformers had overheated. Thus, the Duval's Triangle Method analysis can be considered an effective method for identifying disturbances in power transformers due to its simple yet effective calculations
SISTEM PEMUTUS TEGANGAN YANG KURANG UNTUK PENGAMANAN BATERAI DAN BEBAN DC MENGGUNAKAN ARDUINO NANO Loegimin, Maruto Swatara; Putung, Yoice; Hasnira, Hasnira; Sawidin, Sukandar; Patabo , Muchdar Dg.; Tuwongkesong, Samsu; Lengkong, Marcel
Recent in Engineering Science and Technology Vol. 3 No. 01 (2025): RiESTech Volume 03 No. 01 Years 2025
Publisher : MBI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59511/riestech.v3i01.88

Abstract

Electrical control capacity or quality control capacity in electrical systems has always been very vital. However, the main attention should be focused on the characteristics of the supply voltage, especially in the modern era. A major constraint in the electrical structure is low voltage. Low voltage is a source of disturbance in the electrical system that affects the agility of related electrical equipment and can shorten the life of equipment, including battery components in DC energy systems such as solar panels. To anticipate the situation, low voltage circuit breaker hardware is used to protect batteries and DC devices from low voltage conditions, using a potentiometer as a voltage regulator, IC 7809 as a battery input voltage reducer, a switch to disconnect the battery, a power source, and a voltage display on the LCD screen and microcontroller control using Arduino Nano. The strategy applied can be a growth strategy or a research and development strategy. This approach is the foundation for planning and building the Moo voltage circuit breaker to protect batteries and DC devices. In the voltage test, Moo was able to disconnect the DC battery with ±99.795% accuracy. Standard tests for low voltage circuit breakers at 12 V and 24 V showed a difference of ±0.096 V and an error of ±0.554%.
Perancangan dan Analisis Tekno-Ekonomi PLTS Atap On-Grid Gedung Workshop 7 Politeknik Negeri Batam Menggunakan Software Pylon dan PVsyst Yusiran, Yusiran; Ewaldo, Faieziel; Hasnira, Hasnira; Kita, Lalu Kaisar Wisnu
Elektron : Jurnal Ilmiah Vol 17 No 1 (2025): Volume 17 Nomor 1 Tahun 2025
Publisher : Teknik Elektro Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/eji.17.1.581

Abstract

Abstrak—Energi listrik sangat penting bagi kehidupan sehari-hari, seperti penerangan, transportasi dan komunikasi. Indonesia beruntung memiliki potensi energi terbarukan yang sangat besar, dengan total kapasitas 432 GW, sekitar 7 hingga 8 kali lebih besar dari kapasitas pembangkit listrik saat ini. Dengan meningkatnya kesadaran akan dampak lingkungan dan perlunya mengurangi emisi karbon, peralihan ke energi terbarukan menjadi prioritas. Energi surya, misalnya, memiliki potensi terbesar di Indonesia dengan kapasitas sekitar 207,8 GW, diikuti oleh energi hidro sebesar 75 GW, angin 60,6 GW, biomassa 32,6 GW, dan panas bumi 23,9 GW. Sistem PLTS atap berkapasitas 64 kW, diproyeksikan menghasilkan 80.358 kWh per tahun. Hasil simulasi pada Pvsyst menunjukkan Performance Ratio sebesar 76,4% menjadikan sistem ini layak secara teknis. Secara ekonomis, biaya energi (LCOE) sebesar Rp 878,46/kWh, dengan hasil investasi positif melalui Payback Period, NPV, PI, IRR, dan ROI. Oleh karena itu, perancangan sistem PLTS di Gedung Workshop 7 dinyatakan layak untuk dilanjutkan dan dikembangkan.
Pengaruh Media E-Learning Terhadap Minat Belajar Mahasiswa Prodi Pendidikan Akuntansi Universitas Negeri Makassar Hasnira, Hasnira; Tikollah, M. Ridwan; Nuraisyiah, Nuraisyiah
Indo-MathEdu Intellectuals Journal Vol. 6 No. 5 (2025): Indo-MathEdu Intellectuals Journal
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/imeij.v6i5.4075

Abstract

This research aims to analyze the influence of e-learning media on the learning interest of accounting education students at Makassar State University. The variables in this study are e-learning media (X) and learning interest (Y) which are measured using a Likert scale. The population in this study is students of the Accounting Education Program at Makassar State University. The data collection technique in this research uses questionnaires and documentation. The data analysis techniques used are descriptive analysis, simple linear regression analysis, instrument testing, and hypothesis testing. Based on the data analysis, a simple linear regression equation was obtained: Y = 26.171 + 0.480X, which means that if the e-learning media variable is considered to be zero, the interest in learning variable is 26.171. From the results, the coefficient of determination r2 is 0.120, which means that e-learning media accounts for 12.0% of the influence on interest in learning, while the remaining is influenced by other factors not studied. Furthermore, the effect of e-learning media on interest in learning is indicated by a significance value of 0.000, which is less than 0.05 (0.000 < 0.05), meaning the hypothesis of a positive effect of e-learning media on the interest in learning of students in the Accounting Education Program is accepted.
Evaluasi Sistem Proteksi Petir Eksternal Konvensional Pada Gedung PT Infineon Batam-3 Putra, Irwanto Zarma; Anas, Awe Aerlend Putra; Hasnira, Hasnira; Nakul, Fitriyanti
Journal of Applied Electrical Engineering Vol. 8 No. 1 (2024): JAEE, June 2024
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jaee.v8i1.7550

Abstract

Penelitian ini merupakan evaluasi dari komponen sistem proteksi petir eksternal konvensional yang ada pada gedung PT. Infineon Batam-3 karena pada gedung tersebut terdapat banyak peralatan-peralatan listrik, mesin, dan tenaga kerja yang harus dilindungi dari bahaya terjadinya sambaran petir. Pengumpulan data dilakukan pada bulan oktober sampai november 2023. Berdasarkan standar Peraturan Umum Instalasi Penangkal Petir (PUIPP) diproleh nilai indeks R yaitu 14 maka pemasangan sistem proteksi petir sangat perlu. Berdasarkan SNI 03-7015-2004 efisiensi sistem proteksi petir yaitu 89,6% maka tingkat proteksi yaitu pada level III. Luas radius proteksi pada terminasi udara yang ada pada area east wing yaitu 50.599 m2 sedangkan untuk area yang harus diproteksi yaitu 99.629 m2, dan pada area main building luas radius proteksi terminasi udara yang ada yaitu 97.319 m2 sedangkan untuk area yang harus diproteksi yaitu 120.935 m2. Sesuai dengan tingkat proteksi bangunan pada penempatan metode bola bergulir radius yang digunakan yaitu 45 m dengan didapatkan hasil yaitu bola dapat menyentuh bagian struktur gedung hal ini terminasi udara yang ada belum mampu untuk memproteksi seluruh bagian gedung. Bahan konduktor penyalur yang ada sudah sesuai dengan SNI 03-7015-2004 yaitu alumunium dengan luas penampang 75 mm2. Rata-rata resistansi seluruh titik sistem pentanahan proteksi petir eksternal yang dapat dilakukan pengukuran yaitu 5,4 Ω.
Perancangan dan Implementasi Sirkulasi Air Pada Rumah Kaca Hidroponik Menggunakan Parameter Sensor Multivariabel Berbasis Web Widarso, Rifqi Aji; Adi Sucipto; Nabila Rahma Yusrilfa Trisyayanti; Hasnira, Hasnira; Tamara Maharani; Dhodit Rengga Tisna
Journal of Applied Electrical Engineering Vol. 9 No. 1 (2025): JAEE, June 2025
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jaee.v9i1.9383

Abstract

Budidaya Pertanian hidroponik dalam rumah kaca menjadi solusi inovatif untuk meningkatkan efisiensi pertumbuhan tanaman, karena petani hidroponik dapat melakukan kontrol lingkungan dalam rumah kaca tersebut. Salah satu faktor penting dalam sistem ini adalah sirkulasi air, yang mempengaruhi ketersediaan nutrisi dan oksigen bagi tanaman menggunakan sensor multivariable, dan diolah dengan metode fuzzy Tsukamoto. Melalui adanya sensor DHT 11 untuk mengukur suhu dan kelembapan udara didalam rumah kaca, sensor DS18B20 untuk mengukur suhu pada air serta sensor pH untuk mengukur tingkat keasaman pada air, dilakukan pengujian sebanyak sepuluh kali yang menghasilkan sepuluh kondisi berbeda. Saat sistem otomasi sirkulasi air bekerja selama 5 menit, kelembapan meningkat sebesar 7% serta pH turun sekitar 0,5. Sedangkan suhu dapat turun sekitar 1,7°C setelah sistem otomasi kipas bekerja selama 5 menit.
Uji Kinerja Membrane Sea Water Reverse Osmosis Sebelum Dan Sesudah Pemeliharaan Di PLTGU Tanjung Uncang Hasnira, Hasnira; Olfhie Stevani; Muhammad Syafei Gozali; Didi Istardi; Arif Febriansyah Juwito; Fauzun Atabiq; Fitriyanti Nakul
Journal of Applied Electrical Engineering Vol. 9 No. 1 (2025): JAEE, June 2025
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jaee.v9i1.9462

Abstract

Sea Water Reverse Osmosis (SWRO) di PLTGU Tanjung Uncang berfungsi untuk menyuplai air baku melalui permurnian air laut menggunakan membrane. Dalam operasinya, membrane sering mengalami fouling dan scaling yang menurunkan kinerja sistem. Penelitian ini bertujuan mengevaluasi kinerja membrane SWRO sebelum dan sesudah proses pembersihan menggunakan metode Cleanig in Place (CIP) dan pembersihan manual (pembongkaran). Evaluasi dilakukan berdasarkan data conductivity dan differential pressure dalam tiga kondisi: sebelum Cleanig in Place (CIP), sesudah Cleanig in Place (CIP), dan setelah pembersihan manual. Hasil menunjukkan bahwa Cleanig in Place (CIP) efektif mengurangi fouling ringan, namun tidak cukup untuk fouling berat seperti lumpur. Sebaliknya, pembersihan manual lebih efektif dalam mengembalikan performa membrane ke batas normal (differential pressure ≤ 1,5 bar dan conductivity ≤ 600 µS/cm), meskipun membutuhkan waktu lebih lama. Dengan mengombinasikan kedua metode ini, efisiensi operasional SWRO dapat ditingkatkan secara signifikan.
Multimeter Portabel Pengukur Nutrisi Tanah Pertanian untuk Kelompok Tani Maju Mandiri di Pulau Setokok Gozali, Muhammad Syafei; Kamarudin, Kamarudin; Wijanarko, Heru; Futra, Asrizal Deri; Darmoyono, Aditya Gautama; Oktani, Dessy; Hasnira, Hasnira; Mahdaliza, Rahmi; Lubis, Eka Mutia; Wicaksono, Muhammad Jaka Wimbang; Pamungkas, Daniel Sutopo; Zaenuddin, Muhammad; Setiawan, A. Rido; Zulmi, Muhammad Afif; Ginting, Pedro Imanuel; Pasaribu, Cindy Kristine; Amiruddin, Amiruddin
Jurnal Pengabdian kepada Masyarakat Politeknik Negeri Batam Vol. 5 No. 1 (2023): Jurnal Pengabdian kepada Masyarakat Politeknik Negeri Batam
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/abdimaspolibatam.v5i1.5543

Abstract

Today, the current development of Batam City is not only in the development of industrial and tourism areas but also leads to the development of agriculture and plantations. This was done as a form of effort in maintaining food security for areas in Batam City, where initially a lot of food needs were supplied from areas on the island of Sumatra. The city of Batam, whose territory consists of islands, creates obstacles in the development of agricultural land and plantations. Among them are types of soil that are difficult for seasonal crops to grow; water resources that depend on rainwater; as well as access to agricultural and plantation locations that are spread across several islands, making it difficult to deliver logistics and agricultural products. Soil conditions greatly affect the quality of the plants produced, and the type of soil will affect the types of plants suitable for planting. Based on these obstacles, the Batam State Polytechnic formed a Community Service team to support the agricultural land development program, one of which was the development team for portable soil condition measuring devices in collaboration with a partner from "Kelompok Tani Maju Mandiri" on Setokok Island. Community service activities are carried out in stages, apart from field surveys in order to identify the needs of farmer groups, the current community service period has reached the development of portable soil condition measuring devices with test results still in laboratory testing and not yet testing on actual agricultural land. The field survey results describe the condition of the partner's agricultural soil, which is brownish-red in color, mostly clay. Plants that are quite successful in the form of green curly chili plants. The water source comes from small rain-fed reservoirs prepared around agricultural land. The results of the measuring instrument design have reached the laboratory testing stage, which has shown the value of soil nutrition. Testing measurements on agricultural land directly and assisting partners in operating measuring instruments will be carried out at the next community service stage.
Workshop Pengenalan K3 untuk Pelajar SMK Negeri 1 Bintan Utara Kita, Lalu Kaisar Wisnu; Diputra, Muhammad Naufal Airlangga; Hasnira, Hasnira; Mishthafiyatillah, Mishthafiyatillah; Budiarto, Arif Wahyu; Pitriani, Shelly Sri
Jurnal Pengabdian kepada Masyarakat Politeknik Negeri Batam Vol. 7 No. 1 (2025): Jurnal Pengabdian kepada Masyarakat Politeknik Negeri Batam
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Dedication to the implementation of Occupational Health and Safety (OHS) has an important urgency in ensuring a safe and healthy working environment for prospective workers. The main objective of this programme is to increase safety awareness, knowledge, and practice of OHS at the work site to reduce the risk of work-related accidents and diseases. This service programme also aims to provide workshops for prospective workers to identify, evaluate, and control OHS risks that exist in the future work environment. Education and implementation of appropriate OHS policies were used as the method of approach and are expected to create a stronger and more sustainable workplace safety culture. The results of this implementation coverage obtained an average increase of 26.3% in the Very Good category and 10.5% in the Good category. The level of awareness and OHS knowledge among workers is improved, along with the quality of the work and living environment, and the accident and injury rate is reduced. This service is expected to increase compliance with applicable OHS regulations and OHS videos, and reduce the negative impact of work accidents on worker productivity and welfare.
Kendali Fuzzy Logic - Interleaved Boost Converter pada Aplikasi Motor DC Jati, Mentari Putri; Basuki, Gamar; Hasnira, Hasnira
Elinvo (Electronics, Informatics, and Vocational Education) Vol. 5 No. 2 (2020): November 2020
Publisher : Department of Electronic and Informatic Engineering Education, Faculty of Engineering, UNY

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (595.498 KB) | DOI: 10.21831/elinvo.v5i2.40698

Abstract

Karakteristik motor DC menjadi hal mutlak yang perlu diketahui dalam proses pengendalian kecepatan penggerak elektrik. Konverter pengemudian elektrik yang sedang berkembang yaitu Interleaved Boost Converter. Pengendali fuzzy logic merupakan kendali yang efektif diterapkan banyak sistem linier maupun nonlinier dengan waktu operasi yang cepat. Hasil penerapan aplikasi motor DC berupa penyiram kecambah dapat berfungsi dengan baik pada variasi nilai setpoint kecepatan yang mana perubahan nilai tegangan keluaran berbanding lurus dengan perubahan kecepatan motor DC (30 Volt sd. 60 Volt ≈ 800 Rpm sd 1500 Rpm). Hal ini dapat membantu para petani kecambah dalam melakukan penyiraman biji kecambah secara otomatis seiring dengan perubahan suhu sekitar tanpa khawatir biji kecambah rusak.
Co-Authors Abdullah Sani Adi Sucipto, Adi Amiruddin Amiruddin Anas, Awe Aerlend Putra Arif Febriansyah Juwito Arif Wahyu Budiarto Aryeni, Illa BASUKI, GAMAR BUDIANA, BUDIANA Daniel Sutopo Pamungkas, Daniel Sutopo Darmoyono, Aditya Gautama Dhodit Rengga Tisna Didi Istardi Diono, Diono Diputra, Muhammad Naufal Airlangga Dzulfiqar, Mohamad Alif Ewaldo, Faieziel Fauzun Atabiq Fitriyanti Nakul Futra, Asrizal Deri Ginting, Pedro Imanuel Gozali, Muhammad Syafei Gusnam, Mu'thiana Iraqi, Mohammad Zainul Kamarudin Kamarudin Kita, Lalu Kaisar Wisnu Lengkong, Marcel Loegimin, Maruto Swatara Lubis, Eka Mutia M. Ridwan Tikollah Mahdaliza, Rahmi Maulidiah, Hana Mutialif Mentari Putri Jati Mishthafiyatillah, Mishthafiyatillah MOCHAMAD ARI BAGUS NUGROHO Muhammad Syafei Gozali Muhammad Zaenuddin Nabila Rahma Yusrilfa Trisyayanti Nakul, Fitriyanti Nuraisyiah, Nuraisyiah Oktani, Dessy Olfhie Stevani Pasaribu, Cindy Kristine Patabo , Muchdar Dg. Pitriani, Shelly Sri Putra, Irwanto Zarma Putung, Yoice Rifqi Aji Widarso Rofii' Haekal, Hadi Sawidin, Sukandar Setiawan, A. Rido Suhariningsih Tamara Maharani Tuwongkesong, Samsu Wicaksono, Muhammad Jaka Wimbang Yusiran Yusiran, Yusiran Zulmi, Muhammad Afif