Development and Experimental Investigation of Electricity Generation from Hydraulic System Speed Breaker
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Date
2020-12
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Addis Ababa University
Abstract
Energy is among the key elements for the economic and social developments of one country due to that an effort was made to capture the energy wasted when the vehicle passes through the speed breaker. Different mechanisms are used to convert the kinetic energy of the vehicles over the speed breaker in to electricity but in this paper, a prototype is proposed in order to convert the weight of the vehicle in to electricity. This technology is used as energy recovery and reducing dependence on the conventional sources of energy, which focused on the electricity generation from hydraulic system speed breaker. In the rural part of Ethiopia, the generated electricity is used to charge the rechargeable torch for the purpose of light. Also in the urban areas of Ethiopia even there is access of electricity but still the government is unable to supply a steady power. Objective of this research is to increase the efficiency of the existing technology by replacing the traditional one with simple hydraulic type speed breaker. This paper presents detail design and modeling, simulation analysis using ANSYS workbenches and experimental investigation of electricity generation from the prototype by developing a prototype. The new prototype have two-power generation station known as ����1 and ����2. ����1 Used to convert the weight of the vehicle from 1000Kg to 2000Kg and ����2 converts from 2000Kg to 7000Kg weight of the vehicle in to electricity using DC generator and stored using battery.
The prototype was tested by applying load (5Kg, 10Kg, 18Kg, 20Kg and 30Kg) on the dome and the average output voltage with load condition (5-watt lamp) is 2.36, 6.46, 12.66, 14.42 and 18.74 volt respectively and the observed average current output is 0.125, 0.156, 0.168, 0.204 and 0.231 Amp respectively. The result power output observed from the prototype with load condition (5-watt lamp) by applying the above weights over the dome is 0.3, 1, 2.1, 2.9 and 4.3 watts and from the simulation result, the power output is 1.03, 2.5, 4.8, 5.4 and 8.3 respectively. Finally, the finding from the prototype of the model and simulation study is discussed in this paper. Therefore, from the result, observed weight of the vehicle applying over the prototype is direct proportional to the power output and this method of electricity generation is eco-friendly to the environment.
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Keywords
Speed breaker, Power generation, Hydraulic system, Energy recovery, Generator.