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All Journal INTEK: Jurnal Penelitian EPI International Journal of Engineering POLIGRID Jurnal Teknik Mesin Sinergi
Musrady Mulyadi
Politeknik Negeri Ujung Pandang
Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Mechanical Engineering

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Rancang Bangun Sistem Trash Rake Semi Otomatis pada Saluran Intake untuk Pembangkit Listrik Tenaga Mikrohidro Musrady Mulyadi
Jurnal Teknik Mesin Sinergi Vol 12, No 1 (2014): April 2014
Publisher : Politeknik Negeri Ujung Pandang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (998.967 KB) | DOI: 10.31963/sinergi.v12i1.1118

Abstract

Tujuan yang ingin dicapai dari penelitian ini adalah rancang bangun trash rake sistem semi otomatis dengan memanfaatkan sumber daya listrik generator PLTMH. Trash rake adalah konstruksi yang dibuat untuk memindahkan bendabenda asing yang berada pada saringan sampah agar tidak terjadi penumpukan yang dapat mengakibatkan berkurangnya pasokan debit air yang dibutuhkan untuk memutar sudu-sudu turbin. Alat ini dapat dikontrol melalui panel box yang berada pada power house. Tahapan persiapan meliputi studi pustaka dan observasi pada PLTMH, selanjutnya perancangan sistem meliputi perancangan rangka, rake dan sistem penggerak yang menggunakan motor listrik. Perancangan Rangka Utama Beserta Lintasan Rake dilakukan untuk rangka utama yang sekaligus berfungsi sebagai lintasan rake. Sistem penggerak bertujuan sebagai Penggerak naik turunnya rake tersebut. Perancangan sistem kontrol berfungsi sebagai pengatur sistem penggerak dan putaran arah motor. Tahap prosedur pengujian bertujuan untuk menguji Trash Rake yang menjadi tiga tahap yaiut Uji Sistem Penggerak untuk mengetahui karakteristik sistem Penggerak, uji coba trash rake tanpa beban dan uji coba trash rake dengan pemberian beban.Hasil pengujian sistem Trash Rake diperoleh mampu mengangkat beban 10 kg dengan putaran 110 rpm waktu yg dibutuhkan 10 detik pemakaian daya 180 W dan arus 2.3 A. Sistem penggerak menggunakan tali baja penarik dengan ukuran diameter 0,14 mm dengan hasil sistem penggulungan dapat bekerja dengan baik dengan dua arah putaran. 
RANCANG BANGUN TURBIN SAVONIUS UNTUK PENERANGAN LAMPU PANTAI Musrady Mulyadi; Marhatang Marhatang
Jurnal Teknik Mesin Sinergi Vol 11, No 2 (2013): Oktober 2013
Publisher : Politeknik Negeri Ujung Pandang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (214.085 KB) | DOI: 10.31963/sinergi.v11i2.1107

Abstract

Penelitian ini bertujuan merancang dan membuat serta menguji turbin tipe savonius –VAWT dengan bahan sudu trubin dari drum plastik untuk menghasilkan listrik. Rancang bangun turbin angin ini menggunakan metode perancangan dan penentuan dimensi turbin angin berdasarkan penentuan Rotor Power Coeficient (Cpr), Tip Speed Ratio (TSR) dan Rotor Torque Coeficient (Cq), kemudian dilaukan perakitan,dan pengujian turbin angin. Pada pengujiannya digunakan pada kondisi berbeban di kota Makassar di Kecamatan Tamalate, Kelurahan Tanjung Merdeka dengan memanfaatkan angin pantai. Hasil Penelitian Turbin Angin savonius tipe VAWT dengan konstruksi tinggi blade 90 cm dan diameter 82,5 cm yang bisa berputar pada kecepatan angin minimal 0,6 m/s. Hubungan kecepatan angin terhadap arus generator, semakin besar kecepatan angin maka semakin besar pula arus yang di dapat dengan arus minimum 0,01A dan arus maksimum yaitu 0,146A.Putaran poros turbin maksimum 91,1 Rpm diperoleh pada kecepatan angin 5,5 m/s, sedangkan kecepatan angin 0.6 m/s putaran minimum poros turbin 15 rpm, Dari grafik hubungan antara tip speed rasio dan koefisien daya,bahwa koefisien daya bergantung pada perbandingan ujung sudu,dan ditandai dengan kurva Cp berbanding dengan kecepatan ujung sudu-tip speed rasio curve.
Analisis Pengaruh Perubahan Beban Terhadap Biaya Bahan Bakar Pembangkitan Pada PLTU Barru La Ode Musa; Musrady Mulyadi; Muh. Fachriyadi Hastira; Hasniaty Hasniaty
Jurnal Teknik Mesin Sinergi Vol 19, No 1 (2021): April 2021
Publisher : Politeknik Negeri Ujung Pandang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (741.436 KB) | DOI: 10.31963/sinergi.v19i1.2763

Abstract

The effect of changes in load on the cost of fuel generation at PLTU Barru is analyzed using the economic dispatch method to determine the characteristics of input-output and incremental fuel costs. Based on the results of the analysis, it is known that the effect of changes in load on the cost of fuel generation at PLTU Barru tends to be directly proportional, where the higher the load generated, the higher the costs incurred. As in June, to produce 33.85 MW of power the total cost is Rp. 457,687,187.47/hour required. Likewise, if the power at an average load of 33.85 MW increases by 1 MWh it will result in an increase in costs of Rp. 13,306,061.24/MWh, but in certain circumstances such as in November with a power of 29.83 MW it will produce the total cost is quite low at Rp. 337,356,512,63/hour. This situation is caused by fuel consumption in November only amounted to 3029.61 T/h.
Rancang Bangun Prototipe Insenerator Untuk Sampah Rumah Sakit Dengan Teknologi Pengendalian Polusi Udara Suryanto Suryanto; Musrady Mulyadi; Ummy Kalsum Mustam; Medi Adeyanto Sapan
Jurnal Sinergi Jurusan Teknik Mesin Vol 20, No 2 (2022): Oktober 2022
Publisher : Politeknik Negeri Ujung Pandang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31963/sinergi.v20i2.3773

Abstract

Medical waste has become a major problem today in Indonesia because of the COVID-19 pandemic which has resulted in many hospitals being full of patients, resulting in an increase in medical waste. Handling of waste that is carried out is still not appropriate so that waste accumulates in garbage collection sites and in final disposal sites. As a result, the waste becomes a means of germs, bacteria, and animals that can spread disease to the surrounding environment. One way that is often used is to burn waste to reduce its volume. The incinerator is a modern means of burning waste by using a combustion system up to a temperature of 1000°C and can reduce the volume of waste by up to 90%. The research method used in making the design of the incinerator is starting from the design of the combustion chamber, the manufacturing and assembly stages, until testing is carried out on the tool. The test results from the incinerator can accommodate as much as 5kg to 10kg of waste with a combustion chamber volume of 0.165 m3. The highest temperature of the incinerator is at minute 15 with a temperature reaching 270.6°C, while the lowest temperature is at minute 150 with a temperature of 42.5°C.
Perencanaan PLTS Rooftop pada Wisata Pulau Gusung Toraja Yunus, Esty Yunus; Taufiq Enri Rahman , Muhammad; ade, Adeaksa Samsul; Yunus, A.M. Shiddiq; Musrady Mulyadi
Jurnal Teknik Mesin Sinergi Vol 23 No 1 (2025): April 2025
Publisher : Politeknik Negeri Ujung Pandang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31963/sinergi.v23i1.5080

Abstract

This study aims to determine the capacity of rooftop solar power plants to meet electricity needs on Gusung Toraja Island, design appropriate technical designs, and analyze the technical, economic, and environmental feasibility of the project. The method used is quantitative research with modeling using PVsyst, AutoCAD, and SketchUp software. Data were collected through interviews and observations. The design results show a power capacity of 5 kWp, energy production of 7,842 kWh/year, and an initial investment cost of IDR 197,117,200. Economic analysis shows an NPV of IDR 313,256,802 and a payback period of 15 years and 4 months, with an annual energy cost of IDR 3,714/kWh. PV system simulation produces an energy cost of IDR 1,296/kWh, an NPV of IDR 196,859,802, and a payback period of 12.2 years. With a positive NPV, a payback period shorter than the project life, a Profitability Index (PI) of 1.6, and an IRR higher than the interest rate, this investment is declared feasible and sustainable.
Design and Construction of Wind Turbine-Solar Panel System Prototype for Water Supply Control Yunus, A.M Shiddiq; Mulyadi, Musrady; Apollo, Apollo; Rinaldi Wahid, Rifqy; Zalsabillah, Rima
INTEK: Jurnal Penelitian Vol 8 No 2 (2021): October 2021
Publisher : Politeknik Negeri Ujung Pandang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31963/intek.v8i2.3015

Abstract

Water supply is a crucial for human lives, not only for daily activities but also for secondary purposes such as for watering garden, paddy fields etc. There are many efforts of human in fulfilling their water supply needs. Most of water supply is provided by using electric motor pumps which in certain cases might increase the financial cost. In this paper, wind energy is applied to pumping water mechanically whilst it combines with solar panel which works to pump water during less wind speed condition. The micro-controller Arduino-Uno is employed to manage the collaboration operation between wind and solar panel. The design concept and construction are presented and discussed. The operation results exhibit good operation performance and could be developed for the real application.
Commisioning Test of 3 x 3kW Solar Power Plants for Laboratory Purpose Yunus, A.M Shiddiq; Hamzah, Nur; Mulyadi, Musrady; Firman, Firman; Yunus, Muhammad Yusuf; Marhatang, Marhatang; Bhuana, Chandra; Klistafani, Yiyin
INTEK: Jurnal Penelitian Vol 10 No 1 (2023): April 2023
Publisher : Politeknik Negeri Ujung Pandang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31963/intek.v10i1.4279

Abstract

A laboratory is an important part in the learning and teaching process, therefore, it is necessary to improve both in terms of equipment and laboratory management standards. State Polytechnic of Ujung Pandang has carried out the design process for a solar power plant (SPP) system with a capacity of 3 x 3 kW to support the learning process related to alternative and renewable energy lectures and practicum. One part of the procedure for activating newly installed laboratory equipment is the commissioning test. From the commissioning results, the results show that 3 x 300 Wp and independent 375 Wp SPP can work well with an average DC voltage rating of 80 V and for AC loads with an average voltage of 220 V. All types of loads, both AC and DC can work properly after going through the DC Couple and AC Couple with the inverter.
Co-Authors A. M. Shiddiq Yunus A. M. Shiddiq Yunus Abdi Wibowo Abdul Rahman Achmad Yoga Issaniyah ade, Adeaksa Samsul Ahmad Tegar Apollo Apollo Apollo Apollo Arham, Arsyil Arsyil Arham Azwar Azwar Chandra Bhuana Chandra Buana Fefrianto Muh Surahman Firman Firman Hasniaty Hasniaty Jamal Jamal Jamal Jamal Klistafani, Yiyin La Ode Musa Marhatang Marhatang Medi Adeyanto Sapan Muh Yusuf Septiawan Muh. Fachriyadi Hastira Muhammad Yusuf Yunus Muhammmad Suradi Nur Hamzah Remigius Tandioga Rinaldi Wahid, Rifqy Septiawan, Muh. Yusuf Shemina Shemina Sri Suwasti Sukma Abadi Suryanto Suryanto Suryanto Suryanto Taufiq Enri Rahman , Muhammad Tony Christianto E.S Ummy Kalsum Mustam Widya Wirawati Rauf Yunus, Esty Yunus Zalsabillah, Rima