Smart City Gnosys
Smart city article details
| Title | Co-Optimizing The Smart Grid And Electric Public Transit Bus System |
|---|---|
| ID_Doc | 14586 |
| Authors | Yetkin M.; Augustino B.; Lamadrid A.J.; Snyder L.V. |
| Year | 2024 |
| Published | Optimization and Engineering, 25, 4 |
| DOI | http://dx.doi.org/10.1007/s11081-023-09878-w |
| Abstract | As climate change provides impetus for investing in smart cities, with electrified public transit systems, we consider electric public transportation buses in an urban area, which play a role in the power system operations in addition to their typical function of serving public transit demand. Our model considers a social planner, such that the transit authority and the operator of the electricity system co-optimize the power system to minimize the total operational cost of the grid, while satisfying additional transportation constraints on buses. We provide deterministic and stochastic formulations to co-optimize the system. Each stochastic formulation provides a different set of recourse actions to manage the variable renewable energy uncertainty: ramping up/down of the conventional generators, or charging/discharging of the transit fleet. We demonstrate the capabilities of the model and the benefit obtained via a coordinated strategy. We compare the efficacies of these recourse actions to provide additional managerial insights. We analyze the effect of different pricing strategies on the co-optimization. Noting the stress growing electrified fleets with greater battery capacities will eventually impose on a power network, we provide theoretical insights on coupled investment strategies for expansion planning in order to reduce greenhouse gas (GH) emissions. Given the recent momentum towards building smarter cities and electrifying transit systems, our results provide policy directions towards a sustainable future. We test our models using modified MATPOWER case files and verify our results with different sized power networks. This study is motivated by a project with a large transit authority in California. © The Author(s) 2024. |
| Author Keywords | 90C11; 90C15; 90C90; Climate change; Cooperation; Optimization; Smart cities; Transportation electrification |
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