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All Journal Prosiding Seminar Nasional Rekayasa Teknologi Industri dan Informasi ReTII
Eddy Erham
Politeknik Negeri Bandung
Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Transportation

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ANALISIS KONSUMSI ENERGI LISTRIK PADA SISTEM REFRIGERASI CASCADE AKIBAT PERUBAHAN KECEPATAN PUTARAN FAN KONDENSER Eddy Erham
Retii Prosiding Seminar Nasional ReTII ke-13 2018
Publisher : Institut Teknologi Nasional Yogyakarta

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Abstract

ABSTRAKKonsumsi energi listrik oleh  mesin pendingin dan pengkondisi udara adalah terbesar diantara peralatan rumah tangga yang lain, yaitu sekitar 50% sampai 70% dari konsumsi total. Prosentase konsumsi energi listrik dapat diturunkan dengan cara meningkatkan kinerja sistem refrigerasi  ataupun menurunkan setting kecepatan putaran fan kondenser. Pada penelitian ini  akan dilakukan upaya penurunan konsumsi energi listrik dengan cara menurunkan setting kecepatan putaran fan dari 100% sampai 20%. Besaran yang akan diukur pada penelitian ini adalah temperatur kabin, kecepatan putaran fan kondenser, tegangan listrik dan arus  listrik. Pengujian dilakukan pada sistem refrigerasi cascade dengan kapasitas  kompresor   HP dan  temperatur kabin  di setting – 360C. Pengujian dilakukan dengan memvariasikan kecepatan putaran fan  yaitu: 20%; 30%; 40%; 60%; 80%; 100%. Lama pengambilan data untuk setiap variasi tersebut adalah sampai masing- masing chilling time nya tercapai. Konsumsi energi listrik dihitung dengan mengalikan konsumsi daya listrik dengan lamanya waktu operasi. Hasil-hasil penelitian menunjukkan bahwa konsumsi energi ketika kecepatan putaran fan 30% adalah minimum, yaitu 314.26 kWh dan penghematan energi adalah 17,7 % dari  kecepatan putaran fan maksimum. Selain itu, chilling time ketika kecepatan putaran fan 30% adalah112 menit.Kata kunci: sistem refrigerasi cascade, kecepatan putaran fan, daya listrik, chilling time, penghematan energi.
Perancangan Sistem Kontrol Berbasis Arduino Uno pada Dispenser Penyedia Minuman Otomatis Eddy Erham
Retii Prosiding Seminar Nasional ReTII Ke-14 2019
Publisher : Institut Teknologi Nasional Yogyakarta

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Abstract

The accelerated development of digital electronic technology, make many people hope that can develop various facilities of a device. This condition become challenge for researchers. In this paper was developed some facilities of dispenser by designing its control system. The design includes of control system for temperature of drinking water, for the water level in a container and for pouring the water automatically. To do this, it was used electronic components, an Arduino Uno as a controller and some sensors as detectors and feedbacks. The Arduino was uploaded a control system program so that can function as controller. Whereas, for display, that work as monitor, was used Laptop which is supported PLX-DAQ and Ms. Excel. The results showed that control system responses have satisfied desired objectives. First, water temperature can be maintained at 80C , though still have error in range from 00C to 0.380C. Second, pouring the water as high as 5 cm can be performed automatically, with error in range from 0.2 cm to 0.5 cm. And finally, the container of water can provide the water without having any empty or overflow condition. Key words: Dispenser, Arduino, control system, pouring automatically, level control.
- Design of control system based on Arduino to Air Blast Freezer with heating cabin Eddy Erham
Retii 2020: Prosiding Seminar Nasional ReTII ke-15
Publisher : Institut Teknologi Nasional Yogyakarta

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Abstract

The rapid development of technology has prompted researchers to continue creating new products or adding new facilities to existing products. For example, adding new facilities to the refrigeration system is being carried out. This research will develop a heating cabin facility in the Air Blast Freezer. For this reason, a special condenser as a heating source will be added and control design will be carried out both for the Freezer and for a special condenser. For control design, this Arduino will be uploaded with the control system program so that it can function as a controller. The results obtained are the refrigeration system can maintain both the temperature of the coolant cabin and the heating cabin at T setpoint -12 0C with Tcut-off = -14 0C and Tcut-in = -10 0C and at T setpoint 44 0C with Tcut-off = 46 0C and Tcut-in = 420C , respectively. In addition, the electric power consumption in the heating cabin is 275.44 Watt and the comparison cabin is 288.36 Watt. The difference in power is 12.92 Watts or 4.48%.
Pengembangan Sistem Kontrol dan Monitoring Berbasis Arduino Uno pada AC Window Eddy Erham
Retii 2021: Prosiding Seminar Nasional ReTII ke-16
Publisher : Institut Teknologi Nasional Yogyakarta

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Abstract

Technological developments and concern for systems that are practical or energy efficient have encouraged researchers to make creative efforts and improvements to existing equipment and technology in various fields. This also includes in the AC field. In this research, the development of control and monitoring system for Window ACwas carried out. For the design of the control system as the controller was used Arduino Uno. This Arduino wasuploaded with the designed program. Meanwhile, the monitoring system was designed to use three ways, namely LCD, laptop and smartphone which were supported by Arduino, Labview and App Inventor software, respectively. The result is the control and monitoring system which is accurate and more attractive. The on-off control system applied to the window AC has a design error of 0.02 oC. And for AC that is in a high position, there is no need to go upstairs, because the setpoint and control differential can be adjusted via bluetooth
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