Development and Techno-Economic Analysis of a Large-Scale Speed Bump Power Generation System:: Science Publishing Group

Development and Techno-Economic Analysis of a Large-Scale Speed Bump Power Generation System

Baribuma Gbaarabe, Barinyima Nkoi

Department of Mechanical Engineering, Faculty of Engineering, Rivers State University, Port Harcourt, Nigeria

International Journal of Sustainable and Green Energy, Volume 12, Issue 2, June 2023

Pages: 13-20

Received: Jun. 27, 2022

Accepted: Jul. 13, 2022

Published: Jun. 27, 2023

DOI: 10.11648/j.ijrse.20231202.11

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Abstract

This study explores the practicability of a large-scale power generation from road speed bumps by harvesting moving vehicle energy using mechanical speed bump (MSB). It includes conceptual design of a large-scale speed bump power generation system (SBPGS), analysis of the power generating capacity, and techno-economic analysis of the system. The system is designed with 8 mechanical speed bumps that are installed sequentially on the road with its linked DC generators connected together in parallel to the energy storage system (ESS) via the low voltage bus bar. To analysed the power generating capacity, performance data of the mechanical speed bump fabricated-prototype simulated under traffic condition was collected, and traffic survey was conducted for the proposed installation road. The analysis carried out on the system shows that with the passage of 16,949 vehicles per hour on the road, the power generating capacity of the system is 2MW, of which 8MWh of usable energy would be harvested in 6-hours period of continuous traffic flow per day. The harvested energy would be stored in a 15MWh capacity battery storage system, contains 375 batteries of 24V, 1500Ah capacity each, wired into 3 parallel strings, from which it would be withdrawn for use and also transmitted into the gird. The techno-economic analysis carried out shows that the system can be implemented at a cost of ₦250,518,000, with levelized cost of energy generation of ₦5.58/kWh, a payback period of 3years, and would mitigates 1,281,880kg of CO₂ emissions and its accrued carbon bon tax of ₦4,486,580 annually. The proposed system design would enable addition of more renewable power generated to the national gird, and despite its initial investment cost, the lowest value of the levelized cost of energy guarantee is it an economic feasible source of renewable power generation.

Keywords

Energy Harvesting, Energy Storage System (ESS), Speed Bump Power Generation System (SBPGS), Levelized Cost of Energy (LCOE), Mechanical Speed Bump (MSB), Moving Vehicle Energy, Traffic Flow

To cite this article

Baribuma Gbaarabe, Barinyima Nkoi. (2023). Development and Techno-Economic Analysis of a Large-Scale Speed Bump Power Generation System. International Journal of Sustainable and Green Energy, 12(2), 13-20. https://doi.org/10.11648/j.ijrse.20231202.11

Copyright © 2023 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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