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Abdi Hanra Sebayang
Politeknik Negeri Medan
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Life Cycle Cost Analysis And Payback Period of 12-Kw Wind Turbine For a Remote Telecommunications Base Station In Malaysia Azmi, A.; Sebayang*, Abdi Hanra; Harjon, Aditiya
Aceh International Journal of Science and Technology Vol 12, No 2 (2023): August 2023
Publisher : Graduate School of Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/aijst.12.2.33010

Abstract

Owing to the unavailability of electricity in many remote areas in Peninsular and East Malaysia, these areas do not have access to telephone signals. In remote areas, a diesel generator is used as the power source for the telecommunications base station. Hence, the continuous supply of diesel (which is a fossil fuel) is necessary in these remote areas. In this study, an attempt is made to assess the potential of replacing diesel-generated electricity with wind energy, which is renewable energy. Life cycle cost analysis is carried out, and the payback period of a wind energy system is determined for a remote telecommunications base station in Malaysia. The load characteristics and wind data are obtained from the Mersing Meteorological Station, Malaysia, and it was found that the annual load and base load are 12 kW. Hence, a 12-kW wind turbine is selected for the life cycle cost analysis at the site. The results show that the total specific cost of the 12-kW wind turbine is MYR 0.27/kWh based on a discount rate of 5% and electricity tariff in Malaysia of MYR 0.28/kWh. The payback period and discounted payback period of the 12-kW wind turbine are estimated to be 11.8 and 18.2 yr, respectively. Based on the load characteristics in Mersing, Malaysia, the 12-kW wind turbine is economically viable for the remote telecommunications base station. Nonetheless, the 12-kW wind turbine is not economically viable because the simple payback period is greater than 1/3 of the wind turbine's lifetime, which is 20 years. The 12-kW wind turbine, on the other hand, is suitable for use as a remote telecommunications base station.
Inovasi Teknologi Mesin Pencacah Limbah Organik Kambing Etawa Untuk Peternakan Kambing di Sei Gelugur Rimbun Kecamatan Pancur Batu Sumatera Utara Sebayang, Abdi Hanra; Silitonga, Arridina Susan; Siahaan, Sihar; Pratama, Angga Bahri; Pulungan, Muhammad Anhar; Benu, Siti Maretia
BERKAT: Jurnal Pemberdayaan Masyarakat Vol 4 No 2 (2024): DESEMBER 2024
Publisher : P3M Politeknik Negeri Medan

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Abstract

Peternakan kambing etawa di Sei Gelugur Rimbun, Kecamatan Pancur Batu masih dikelola secara tradisional. Peternakan kambing dapat menghasilkan polusi berupa bau yang menyengat dari limbah organik kambing. Salah satu solusi inovatif untuk menanggulangi masalah tersebut yaitu melalui penggunaan mesin pencacah limbah organik kambing. Mesin ini membuat limbah organik kambing jadi lebih mudah terurai dan menjadi produk baru berupa pupuk organik. Pupuk organik ini dapat dimanfaatkan peternak pada tanaman sekitar kandang, perkebunan dan bahkan dijual kepasar sehingga dapat menambah keuntungan pada peternak. Adapun tujuan dari program ini adalah mengaplikasikan dan mengembangkan limbah ternak dari kambing etawa. Selain itu, dengan menggunakan mesin pencacah limbah juga meningkatkan ekonomi masyarakat peternak kambing mengalami peningkatan pendapatan melalui pemanfaatan pupuk organik yang dihasilkan. Teknologi ini dapat memberikan solusi terhadap mitra (Peternakan Kambing Etawa di Sei Gelugur Rimbun Kecamatan Pancur Batu Sumatera Utara) dimana dengan bantuan teknologi mesin ini, limbah organik kambing dapat langsung terurai tanpa waktu yang lama. Selain itu, melalui edukasi pada masyarakat khususnya peternak berupa tata cara memasarkan limbah organik kambing yang baik dan benar diharapkan dapat meningkatkan masyarakat dan menciptakan lapangan kerja baru.
POTENSI LIMBAH CANGKANG KERANG SEBAGAI KATALIS HETEROGEN UNTUK PEMBUATAN BIODIESEL Sebayang, Abdi Hanra; Pulungan, Muhammad Anhar; Siahaan, Sihar; Benu, Siti Maretia; Ibrahim, Husin; Siregar, Munawar Alfansury; Silitonga, Arridina Susan
Jurnal Rekayasa Mesin Vol. 15 No. 1 (2024)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v15i1.1428

Abstract

Biodiesel is a potential energy source that has attracted attention recently because it can be produced from renewable energy sources and produces low pollutants. Biodiesel is produced by transesterifying edible or non-edible vegetable oils using a catalyst. Homogeneous catalytic processes have disadvantages, such as the catalyst residue cannot be reused. Therefore, heterogeneous or solid catalysts are used, which can be easily separated from the reaction mixture by filtration and reused. A waste cockle shell can be used as a green base catalyst to synthesize waste cooking oil into methyl ester (WCME). The free fatty acid content of used cooking oil (2.19% wt.) was initially reduced to 0.11% wt., using a methanol-oil ratio of 6:1, waste cockle shell 2% wt., reaction time 60 minutes and temperature 60 oC. The effectiveness of the developed waste cockle shell contains high CaO. The results of this study indicated the potential of clam waste cockle shells and used cooking oil as a source of raw materials available in the community for biodiesel production.
A quad-cliff mechanism for eco-printing by pounding technique: design, manufacturing, and testing Triawan, Farid; Dyota, Arya Smara; Kamila, Fatima Tasya; Saptaji, Kushendarsyah; Fernandez, Nikolas Krisma Hadi; Silitonga, Arridina Susan; Sebayang, Abdi Hanra
Jurnal Polimesin Vol 22, No 5 (2024): October
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v22i5.5738

Abstract

Indonesia produces many types of textile products, such as clothing and custom fabrics often with unique patterns. To generate the patterns, there are many methods, including eco-printing by pounding process. However, the process, which was later referred to as eco-pounding, requires much time and energy, which can have a negative impact, such as musculoskeletal disorders, on the human body. To address this issue, the present work proposes a machine that can help the process of eco-pounding. Shigley’s method is applied to guide the design process of the machine. The design and manufacturing processes of the eco-pounding machine are presented, in which three machine design models are first introduced and then analyzed for finalization by benchmarking method. Subsequently, a machine model that uses a so-called quad-cliff mechanism is selected for manufacturing and testing. As a result, the proposed machine can achieve the design requirements that were set. Three pounding movements per second can be obtained by the machine, with possible increases by an engine upgrade. This machine can be considered a prototype for a semi-automatic eco-printing process by pounding technique.
Co-Authors A. Azmi Abd Rahman Aditiya Harjon Aditya Pangestu Angga Bahri Pratama Arridina Susan Silitonga - Atmaja, Muhammad Setya Bahri, Nisfan Bambang Sugiyanto Bambang Sugiyanto, Bambang Benu, Siti Maretia Bisrul Hapis Tambunan, Bisrul Hapis Dyota, Arya Smara Fernandez, Nikolas Krisma Hadi Ginting, Berta Br Hassan, Masjuki Haji Hendrarsakti, Joneed Himsar Ambarita Ibrahim, Husin Jayawarsa, A.A. Ketut Joko Kusmanto Kamila, Fatima Tasya Kushendarsyah Saptaji Maretia Benu, Siti Masudi, Ahmad Masudie, Ahmad Milano, Jassinnee Muhammad Syaukani Nelson Manurung, Nelson Nur, Taufik Bin Nurulita, Bela Ong, Mei Yin Pulungan, Muhammad Anhar Rangappa, Sanjay Mavinkere Riayatsyah, Teuku Meurah Indra Rico Aditia Prahmana Sebayang, Adri Rakha Siengchin, Suchart Sihar Siahaan Siregar, Munawar Alfansury Thanikodi, Sathish Tiong, Sieh Kiong Triawan, Farid Tulus Burhanuddin Sitorus