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Optimising the Location of On-route Fast-charging Stations in a Battery Electric Bus System

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posted on 2024-05-13, 00:44 authored by Ali Hosseini
The transportation system is responsible for producing around 18% of total greenhouse gas emissions in Australia. Electrified public transport, mainly in the form of Battery Electric Buses (BEBs), stands at the intersection of mobility and electricity systems and is a promising alternative for conventional bus fleets in achieving zero-emission targets. To provide reliable mobility service using BEBs, different charging methods, including battery swapping, fast and normal charging in depots, and main or on-route bus stops, are required to merge charging requirements into the bus schedule. The mobility-desired fast charging could merge BEBs into the bus network with minimum effect on bus schedules; however, it may lead to an unmanageable electricity demand. Therefore, a trade-off between mobility requirements and power system constraints should be achieved about the charging process. In this research, the optimal deployment of fast-charging stations for BEBs is addressed in order to minimise a cost function including the total cost of vehicle batteries, number of fast-charging stations, station electrification cost and electricity demand. It is formulated as a constrained optimisation problem and is solved using mixed-integer linear programming. Numerical simulations show the efficiency of the suggested approach when applied to a real-world bus network for eastern suburbs of Melbourne, Victoria, Australia.

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Degree Type

Masters by Research

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© Ali Hosseini 2024

School name

Engineering

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