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All Journal Dharma Raflesia : Jurnal Ilmiah Pengembangan dan Penerapan IPTEKS Jurnal Amplifier: Jurnal Ilmiah Bidang Teknik Elektro dan Komputer
Anizar Indriani
Program Studi Teknik Elektro Fakultas Teknik Universitas Bengkulu
Agriculture, Biological Sciences & Forestry Humanities Computer Science & IT Education Electrical & Electronics Engineering Engineering Social Sciences Other

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Rancang Bangun Sistem Kendali Kecepatan Motor Induksi 1 Fasa Dengan Pengaturan Sudut Penyalaan (Firing Angle) Triac pada Konveyor Model Rotary Pengering Karet Anizar Indriani; Faisal Hadi
JURNAL AMPLIFIER : JURNAL ILMIAH BIDANG TEKNIK ELEKTRO DAN KOMPUTER Vol 8, No 2 (2018): Amplifier November 2018
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/jamplifier.v8i2.15090

Abstract

ABSTRAKSistem kendali kecepatan motor induksi merupakan sistem yang mengatur kecepatan motor induksi sebagai penggerak yang bekerja secara otomatis. Penggunaan motor induksi sering dibutuhkan untuk beroperasi pada kecepatan yang bervariasi seperti digunakan pada proses produksi di suatu pabrik sebagai penggerak konveyor. Sistem pengendalian kecepatan motor induksi satu fasa sebagai penggerak konveyor model rotary pengering karet menggunakan mikrokontroller berbasis Proportional Integral Derivative (PID) dengan pengaturan sudut penyalaan (firing angle) TRIAC. Sistem kendali ini digunakan untuk mendapatkan kecepatan konstan meskipun terjadi perubahan beban. Pengendali memberikan umpan balik pada AC Dimmer Zero Detector agar menghasilkan duty cycle yang sesuai guna mencapai kecepatan setpoint. Pada pengujian tanpa beban diperoleh nilai rise time terbesar yaitu 5.29 sekon pada saat kecepatan setpoint sebesar 42 rpm. Pada pengujian berbeban dengan variasi beban 1000 gram, didapatkan nilai steady state time terbesar motor yaitu 6.23 sekon. Konsumsi daya motor induksi saat menggunakan sistem pengendali kecepatan, pada pengujian tanpa beban di kecepatan 36 rpm sebesar 16.52 Watt. Pada pengujian berbeban  pada kecepatan 36 rpm yaitu 18.36 Watt.Kata Kunci: kecepatan, motor induksi, pengering berputar, pengaturan sudut penyalaan.
PEMBUATAN MESIN PENGERING KELAPA MENGGUNAKAN SUMBER ENERGI TERBARUKAN UNTUK MENINGKATKAN PENDAPATAN MASYARAKAT KECAMATAN PONDOK KELAPA KABUPATEN BENGKULU TENGAH Hendra Hendra; Yenni Suhartini; Anizar Indriani; Hernadewita Hernadewita
DHARMA RAFLESIA Vol 15, No 1 (2017): JUNI
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/dr.v15i1.4236

Abstract

IbM community service aims to help villagers to make coconut drying machine. This dryer can help people in the processing a crops product with high water content quality, hygienic, short time and are not dependent on climate or weather. This machine mechanism can help the farmers in processing coconut plantations product, especially in the process of drying the crop so that sale value of dried coconut is high and incomes become increase. In the previous drying method, the coconut is drying by the open system where as the method is dependent on natural and climatic conditions. This is very detrimental to the community because of losses in terms of drying time, the water quality and higyenis product is low and other unsecured cause dry oil prices to be low. By using a drying machine the drying time is shorter, water content and quality of drying can be controlled and hygiene will also be maintained. Increased levels of water quality and hygiene product drying will make the selling price of coconut increases. Increased selling prices will impact on people's incomes so that the welfare of society for the better copra producer. In addition to the increase in people's income, it is a national issue of poverty alleviation, employment generation and application of new technology-based products in the country will be met. This community service is done at the Village Pasar Pedati and Village Harapan District of Pondok Kelapa through training how to make the dryer machine so that people can make this tool in order to increase their income as both a producer of copra with maintained quality as well and the creator of this drying machine. From the results of devotion performed shows that the people be able to make the dryer machine with a drying time of wet coconut weighing 1.4 kg to 1 kg within 7 hours, the water content of 40% decreased to 28% and an average temperature of 65ºC. Keywords: dried coconut drier machine, solar energy 
Co-Authors Faisal Hadi Hendra Hendra Hernadewita, Hernadewita Yenni Suhartini