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All Journal Transmisi: Jurnal Ilmiah Teknik Elektro GEMA TEKNOLOGI METANA BERKALA FISIKA Jurnal ULTIMA Computing RESISTOR (Elektronika Kendali Telekomunikasi Tenaga Listrik Komputer) Jurnal Pengabdian Vokasi
Dista Yoel Tadeus
Program Studi S.Tr. Teknologi Rekayasa Otomasi, Sekolah Vokasi, Universitas Diponegoro
Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering Energy Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Physics

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Simulator Otomasi Sistem Proteksi pada Penyulang 20 kV Hasbi Nur Ashshiddiq; Dista Yoel Tadeus; Fakhruddin Mangkusasmito
RESISTOR (Elektronika Kendali Telekomunikasi Tenaga Listrik Komputer) Vol 4, No 2 (2021): RESISTOR (Elektronika Kendali Telekomunikasi Tenaga Listrik Komputer)
Publisher : Universitas Muhammadiyah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24853/resistor.4.2.103-110

Abstract

Kebutuhan energi, terutama listrik di Indonesia, merupakan bagian yang tidak terpisahkan dari kehidupan sehari-hari masyarakat, sehingga listrik sangat dibutuhkan baik dari segi kualitas (kualitas dan keandalan) maupun kuantitas (kontinuitas distribusi). Diperlukan sistem proteksi untuk mempertahankan distribusi energi listrik sebanyak mungkin. Selain sistem proteksi, pengurangan area pemadaman karena gangguan dan pemeliharaan pada jaringan atau pada outgoing cubicle dapat dilakukan dengan manuver jaringan. Melakukan manuver jaringan dapat mengubah konfigurasi pada jaringan itu sendiri. Ini menyebabkan peralatan proteksi tidak berfungsi dengan baik sehingga keandalan jaringan setelah melakukan manuver akan berkurang. Penelitian ini mensimulasikan otomatisasi penggantian nilai pengaturan relai awal pada outgoing PMT dengan nilai cadangan ketika salah satu pengumpan harus dipadamkan karena akan dipertahankan. Pengujian menunjukkan ketika sensor membaca jumlah arus di setiap PMT melebihi nilai pengaturan awal, kontroler akan memerintahkan relai PMT untuk trip. Pada saat yang sama, jika LBS NO 1 atau LBS NO 2 ditutup, nilai pengaturan relai perlindungan awal pada PMT A akan secara otomatis diganti dengan nilai cadangannya, sehingga peningkatan arus beban tidak menyebabkan PMT A trip. Hal ini menunjukkan keberhasilan simulasi otomatisasi proteksi.Energy needs, especially electricity in Indonesia, are an inseparable part of people's daily lives, so electricity is needed both in terms of quality (quality and reliability) and quantity (continuity of distribution). A protection system is needed to maintain the distribution of electrical energy as much as possible. In addition to the protection system, the reduction of the blackout area due to disturbances and maintenance on the network or on the outgoing cubicle can be done by maneuvering the network. Performing network maneuvers can change the configuration of the network itself. This causes the protection equipment to not function properly so that the reliability of the network after performing the maneuver will be reduced. This study simulates the automatic replacement of the initial relay setting value on the outgoing PMT with a backup value when one of the feeders must be turned off because it will be maintained. Tests show that when the sensor reads the amount of current in each PMT exceeds the initial setting value, the controller will instruct the PMT relay to trip. At the same time, if LBS NO 1 or LBS NO 2 is closed, the initial protection relay setting value on PMT A will be automatically replaced with its reserve value, so that the increase in load current does not cause PMT A to trip. This shows the success of the protection automation simulation.
Metode Estimasi Suhu Minyak pada Transformator Tenaga melalui Pengukuran Suhu Body Berbasis IoT Rizal Alfa Rizki; Dista Yoel Tadeus; Fakhruddin Mangkusasmito; Heru Winarno; Eko Ariyanto
Ultima Computing : Jurnal Sistem Komputer Vol 12 No 2 (2020): Ultima Computing : Jurnal Sistem Komputer
Publisher : Faculty of Engineering and Informatics, Universitas Multimedia Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31937/sk.v12i2.1783

Abstract

Oil cooled power transformer has important role in the electricity distribution system. Its windings were immersed in oil as an insulating medium and also as a cooler. This oil would be heated up due to several things, the most significant was heat generated by winding’s power loss. The monitoring of oil temperature on the transformer was always done routinely every day to maintain its performance and health condition. IoT based measurements could improved efficiency and minimized manpower resources. To realize this the indirect non-destructive measurement method was proposed to estimate transformator’s temperature oil. It will corellate the oil temperature and body temperature through a constant calibration factor derived from calculations. Conducted experiment applied to specific existing transformator and followed by calculations resulted a calibration factor = 1.7749. The smallest average of estimated temperature error was lied in the range of 40 - 90 degrees Celcius.
EFEK PENAMBAHAN EVAPORATOR PADA ATMOSPHERE WATER HARVESTER (AWH) TERHADAP PERFORMA SISTEM Juli Mrihardjono; Didik Ariwibowo; Sutrisno Sutrisno; Dista Yoel Tadeus
Gema Teknologi Vol 21, No 2 (2021): October 2020 - April 2021
Publisher : Vocational School Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/gt.v21i2.33448

Abstract

Atmosphere Water Harvester (AWH) was investigated to get water collected from air in elevated performance. Improvement was performed by introducing a series-arrangement of two evaporators. Air flew through the evaporators in cross-flow. This arrangement would influence performance of the AWH system in title of COP, MHI, and specific energy consumption. The AWH was designed using vapor compression refrigeration system. Parameter measured to the system were refrigerant temperature in suction and discharge line, inlet and outlet pipe wall temperatures at evaporator and condenser, air velocity enter into evaporator, and electrical energy consumption. Instrument used in this research were refrigerant pressure-temperature gauge, K-type digital thermometer, digital fan anemometer, thermo-hygro meter, and kWh meter. Air temperature and RH data were 36,5 oC, 40%, and 19 oC, 42 %  for inlet and outlet air stram at evaporator, subsequently. With air velocity 1.5 m/s, the COP of the system was 3.7. Water collected  from AWH was 1.1 litres/hour with energy consumption of 1.24 kWh. The AWH could be considered as a water harvester with value of specific energy of 1.13 kWh/litre and MHI of 0,2.
PENINGKATAN KINERJA CONTROL VALVE AKIBAT FENOMENA RESET WINDUP PADA SISTEM REBOILER Megarini Hersaputri; Yuniarto Yuniarto; Ari Bawono Putranto; Dista Yoel Tadeus; Fakhruddin Mangkusasmito
BERKALA FISIKA Vol 25, No 2 (2022): Berkala Fisika
Publisher : BERKALA FISIKA

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

Abstract

One of the important elements of the LPG production process is the control valve. Control valves is almost 90% found in the LPG process. The size of the control valve must have a standard size so that the performance of the control valve is more optimal. Control valve CV1 is a control valve to regulate the flow of steam to reboiler in the distillation column. CV1 at the gas processing plant which is the object of research is experiencing the phenomenon of reset wind up, reset wind up is a  phenomenon  where  the  variable  control  valve  process  is  unable  to  reach  the  set  point  at  the indicating point (TIC) even though the control valve has reached 100% opening. The phenomenon of reset wind up on CV1 affects the temperature  of the steam used for the reboiler. If the steam produced  by  the  reboiler  is  not  up  to  separation  standard  in  propane  distillation,  then  the  C3 separation is not perfect and will affect the LPG yield. To improve the performance of the control valve, it is necessary to calculate the coefficient valve on the control valve and replace the internal valve parts. From this research, the coefficient value is 591, control valve body type ET-667 with diameter of 8 "and a travel indicator 2" is 567. This difference also occurs when the valve openings are 50%, 72%, 75% and 100%. The calculated coefficient valve value should be less than the data sheet. Internal part replacement was also carried out in this study, by replacing the cage on the control valve into a cage with a linear type.
PEMASANGAN INSTALASI PENERANGAN JALAN UMUM DI DUSUN KEBONSARI, DESA KEBONDALEM, KECAMATAN JAMBU, KABUPATEN SEMARANG Arkhan Subari; Yuniarto Yuniarto; Heru Winarno; Dista Yoel Tadeus; Fakhrudin Mangkusasmito
Jurnal Pengabdian Vokasi Vol 1, No 2 (2019): Nopember 2019
Publisher : Sekolah Vokasi Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (514.058 KB)

Abstract

Dukuh Kebonsari, Desa Kebondalem, Kecamatan Jambu, Kabupaten Semarang merupakan sebuah dukuh yang terletak di kaki Gunung Ungaran dengan sebagian besar warganya adalah petani dan buruh/karyawan pabrik. Walapun pada daerah tersebut sudah dilayani aliran listrik, penerangan jalan umum belum menjangkau keseluruhan area dukuh. Banyak faktor yang menyebabkan belum meratanya penerangan jalan umum di dukuh tersebut. Salah satunya adalah ketidakmampuan menyediakan material dan komponen yang dibutuhkan untuk melakukan pemasangan penerangan jalan. Dengan kondisi tersebut, pengabdian ini dilaksanakan untuk membantu masyarakat Dukuh Kebonsari, Desa Kebondalem, Kecamatan Jambu, Kabupaten Semarang dalam hal penyediaan komponen dan pemasangan penerangan jalan dengan harapan bahwa dengan adanya penerangan jalan, tingkat kenyamanan, keamanan dan produktifitas masyarakat dapat ditingkatkan. Pengabdian dilaksanakan melalui beberapa tahapan berikut : melakukan perijinan pelaksanaan kegiatan kepada pihak terkait, melakukan pengumpulan data-data terkait, melakukan perancangan instalasi penerangan jalan umum, pelaksanaan instalasi sesuai dengan perancangan yang dibuat. Hasil dari kegiatan ini adalah terpasangnya instalasi penerangan jalan umum di Dukuh Kebonsari, Desa Kebondalem, Kecamatan Jambu, Kabupaten Semarang sesuai dengan perancangan yang dilakukan. Dengan adanya penerangan jalan umum ini, kondisi jalan-jalan di Dukuh Kebonsari, Desa Kebondalem, Kecamatan Jambu, Kabupaten Semarang menjadi lebih terang daripada sebelumnya. Dengan demikian diharapkan kenyamanan, keamanan serta produktifitas masyarakat menjadi lebih baik.
Soil Moisture Control System for Lettuce Seeds: Time-based Alternative Approach Fakhruddin Mangkusasmito; Ageng Rilla Aldonanda; Dista Yoel Tadeus
Ultima Computing : Jurnal Sistem Komputer Vol 15 No 1 (2023): Ultima Computing : Jurnal Sistem Komputer
Publisher : Faculty of Engineering and Informatics, Universitas Multimedia Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31937/sk.v15i1.3214

Abstract

The utilization of lettuce leaves as a nutritious dish has made its demand relatively high. This research presents a moisture control method to optimize seed growth for lettuce. The prototype system has been developed using Arduino Mega, DF Robot soil moisture humidity sensor, and DC spraying pump for testing three different control scenarios, the open loop control system (time-based), the Proportional control system, and the combination of open loop and Proportional control method as an alternative. The results show that each control method can achieved the desired moisture of rockwool at 60%. Also, the combination of open loop and Proportional control can lessen energy usage of the system by up to 51% compared to the common open loop method.
Co-Authors Ageng Rilla Aldonanda Ari Bawono Putranto Arkhan Subari Azazi, Khasnan Budi Setiyono Didik Ariwibowo Didik Ariwibowo Eko Ariyanto Fakhruddin Mangkusasmito Fakhruddin Mangkusasmito Fakhrudin Mangkusasmito Hasbi Nur Ashshiddiq Heru Winarno Heru Winarno Heru Winarno Iman Setiono Indradewa, Rhian Iwan Setiawan Juli Mrihardjono Megarini Hersaputri Puteri, Ratna Azizah Rizal Alfa Rizki Saiful Manan Sutrisno Sutrisno Yuniarto Yuniarto, Yuniarto