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All Journal Jurnal Pengabdian Mandiri ELPOSYS: Jurnal Sistem Kelistrikan
Masramdhani Saputra
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Humanities Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Social Sciences Other

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Analisis Kualitas Daya Beban 1-Fasa Non-Linear Pada Computer Assisted Test CPNS Gumilang, Binar Surya Gumilang; Masramdhani Saputra; Asfari Hariz Santoso; Saddani Djulihenanto
Elposys: Jurnal Sistem Kelistrikan Vol. 10 No. 3 (2023): ELPOSYS vol. 10 no. 3 (2023)
Publisher : Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/elposys.v10i3.4443

Abstract

Along with technological advances in the digital era like today, which is growing faster, it has an impact on many fields. One field that has used a lot of technological developments is the CPNS Test which is based on the CAT (Computer Assisted Test) and uses many a lot of laptop/computer devices to support the implementation of the test. The many uses of computers, especially during the recruitment test, influence the quality of electrical power due to the typical character of the PC/laptop load, which is a non-linear single-phase load which results in neutral currents or currents containing harmonics. This is because the load on the pc/laptop has electronic components such as semiconductors where there is a switching process that creates an impure sinusoidal wave that causes harmonics. In the case study, the implementation of the CPNS CAT with the use of PC/laptop devices will certainly cause a fairly high THD and affect the electric current/power source. The thing that needs to be considered with a high THD and the supply of electricity from the generator is the effect on the performance of the generator and the influence of the generator’s lifetime. Briefly, the loading of the data is to reduce the derating generator set by 6,717 kVa so that the safe loading is 23.28 kVa with a maximum capacity of 30 kVa generator. Synchronous generator loading is recommended at 81% of its nominal value with a current THD of 50%.
PENERAPAN SISTEM ELECTRIC SUBMERSIBLE PUMP (ESP) UNTUK BUDIDAYA BETTA SPLENDENS SISTEM RESIRKULASI AKUAKULTUR (RAS) Slamet Nurhadi; Masramdhani Saputra; Binar Surya Gumilang; Divac Nabiel Akbar; Saddani Djulihenanto; Galuh Prawestri Citra Handani; Hanifiyah Fidya Darna Amaral
JURNAL PENGABDIAN MANDIRI Vol. 2 No. 11: Nopember 2023
Publisher : Bajang Institute

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Abstract

Budidaya Betta Splendens memerlukan sirkulasi air yang berkelanjutan, terutama selama masa pertumbuhan ikan dari usia dua minggu hingga enam bulan ketika siap panen. Proses yang dinamakan Resirkulasi Akuakultur (RAS) ini memerlukan pasokan air segar secara teratur. Hal yang menjadi salah satu permasalahan yang dihadapi oleh kelompok ternak Betta Splendens di desa Sumberejo, Donomulyo, Kabupaten Malang. Sumber air yang digunakan untuk budidaya memiliki kedalaman yang sulit dijangkau menggunakan pompa gantung. Dalam kegiatan pengabdian ini penulis akan menerapkan sistem Electric Submersible Pump (ESP) untuk memompakan air dari sumur bor dengan kedalaman 15m. ESP memiliki sistem pompa yang tercelup ke dalam sumber air dan mampu menjangkau kedalaman tersebut. Adanya ESP membuat suplai air dari dalam sumur menuju kolam ataupun bak pembesaran Betta Splendens menjadi lancar dan tentunya akan lebih hemat dan efisien dalam pemanfaatan energi listrik.
Uji Performa Trafo E-I dengan Variasi Rapat Fluks pada Sumber Tegangan Non-Sinusoidal Slamet Nurhadi; Anang Dasa Nofvowan; Ika Noer Syamsiana; Yanik Lailinas Sakinah; Masramdhani Saputra; Mochammad Nur Rochman
Elposys: Jurnal Sistem Kelistrikan Vol. 10 No. 3 (2023): ELPOSYS vol. 10 no. 3 (2023)
Publisher : Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/elposys.v10i3.4547

Abstract

In the industrial field, transformers are used as a step-up voltage and are used as a step-down level. In a loaded transformer, the power that comes out of the transformer (transformer output power) is not always 100% because there are losses when channeling to the load. Both losses caused by current flowing in the copper wire, losses caused by alternating flux in the iron core, and losses caused by Eddy current in the iron core which result in the outgoing power (output power) from the transformer to the load is not the same as the incoming power (input power) to the transformer. This is known as the efficiency of the transformer. From these problems, the solution offered is to design and implement a transformer using an EI-shaped iron core which is arranged alternately which aims to prevent the occurrence of Eddy Current what happens in the coresolid by applying to the inverter. From the test results of the transformer, it can be concluded that the difference in flux density in the transformer when it is loaded will affect efficiency. The smaller the flux density of the transformer, the better the efficiency, while the greater the flux density of the transformer, the lower the efficiency.
PENINGKATAN KINERJA PETERNAK KAMBING SKALA KECIL DESA KEMANTREN KECAMATAN JABUNG KABUPATEN MALANG DENGAN MENYEDIAKAN PERALATAN PERAH TENAGA LISTRIK PORTABLE Rohmanita Duanaputri; Afidah Zuroida; Binar Surya Gumilang; Masramdhani Saputra; Rhezal Agung Ananto; Awan Setiawan
JURNAL PENGABDIAN MANDIRI Vol. 4 No. 9 (2025): September 2025
Publisher : Bajang Institute

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Abstract

Kecamatan Jabung memiliki penduduk dengan beragam profesi, di mana 19% bekerja sebagai petani dan peternak, berdasarkan data survei penduduk Kabupaten Malang tahun 2021. Komoditas utama peternakan di Jabung adalah sapi perah, yang mampu menghasilkan 10.000 liter susu per hari. Selain sapi perah, beberapa warga juga memelihara kambing perah. Susu kambing dikumpulkan setiap pagi dan sore, lalu disalurkan ke pabrik pengolahan melalui stasiun pengumpul yang dikelola oleh CV Amanah, yang juga bertindak sebagai distributor. Namun, warga Jabung masih menggunakan cara manual dalam memerah susu kambing, yang kadang menyebabkan kualitas susu yang dikirim ke stasiun pengumpul tidak memenuhi standar, sehingga nilai ekonominya menurun. Untuk mengatasi masalah ini, dilakukan pemberdayaan masyarakat melalui penyediaan peralatan perah bertenaga listrik portabel bagi peternak kecil di Desa Kemantren, Kecamatan Jabung. Alat ini menggunakan baterai dengan kapasitas 7 liter/jam, yang diharapkan dapat mempermudah pekerjaan memerah susu pada peternak kecil dengan aset 1-3 ekor kambing atau sapi. Pemberdayaan ini bertujuan untuk meningkatkan kesejahteraan masyarakat dan menjaga kualitas susu yang dihasilkan.
Co-Authors Afidah Zuroida Amaral, Hanifiyah Darna Fidya Anang Dasa Nofvowan Ananto, Rhezal Agung Asfari Hariz Santoso Awan Setiawan Binar Surya Gumilang Divac Nabiel Akbar Djulihenanto, Saddani Galuh Prawestri Citra Handani Gumilang, Binar Surya Gumilang Irham Fadlika Mochammad Nur Rochman Rohmanita Duanaputri Saddani Djulihenanto Slamet Nurhadi Yanik Lailinas Sakinah