Performance of Mechanical Energy Harvesting Unit for Generating Electricity for Portal Gate System

Dewanto, Joni and Soegihardjo, Oegik (2020) Performance of Mechanical Energy Harvesting Unit for Generating Electricity for Portal Gate System. In: International Conference on Engineering & Technology, Computer and Applied Science (ECBA) 2020, 22-01-2020 - 22-01-2020, Denpasar, Bali - Indonesia.

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Abstract

Abstract The portal gate systems for parking area need electricity for opening/closing the portal (barrier crossbar) and printing the parking ticket. The mechanical energy harvesting unit presented on this paper is designed for supplying electrical energy needed by the portal gate system for its operation. The mechanical energy harvesting unit converted linear movement of the slider into rotating movement using rack and pinion, to rotate a small electric generator attached to the harvesting unit that provided electricity for the portal gate system. The linear movement of the slider is gained from the weight of the vehicle that passed on the mechanical energy harvesting unit. This system is appropriate for a stand alone portal gate systems. Three categories of passanger cars (small, medium and large) each with mass of 1300 kg, 1700 kg and 2000 kg respectively digunakan untuk pengujian. Dengan mempertimbangkan efisiensi mekanik dari harvesting unit sebesar 60%, tiga kendaraan yang digunakan mampu menghasilkan putaran maksimum fly wheel harvesting unit berturut-turut sebesar 2585 rpm, 2964 rpm dan 3210 rpm. Pengujian generator harvesting unit dengan putaran kontinyu untuk lampu LED dengan tegangan 24 Volt, 18 Volt dan 12 Volt menghasilkan daya 19 Volt x 3,6 mAmp (4000 rpm), 17 Volt x 4,3 mAmp (3500 rpm) dan 12 Volt x 11 mAmp (2400 rpm).

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