Interdependence between transportation system and power distribution system: a comprehensive review on models and applications

Abstract

The rapidly increasing penetration of electric vehicles in modern metropolises has been witnessed during the past decade, inspired by financial subsidies as well as public awareness of climate change and environment protection. Integrating charging facilities, especially highpower chargers in fast charging stations, into power distribution systems remarkably alters the traditional load flow pattern, and thus imposes great challenges on the operation of distribution network in which controllable resources are rare. On the other hand, provided with appropriate incentives, the energy storage capability of electric vehicle offers a unique opportunity to facilitate the integration of distributed wind and solar power generation into power distribution system. The above trends call for thorough investigation and research on the interdependence between transportation system and power distribution system. This paper conducts a comprehensive survey on this line of research. The basic models of transportation system and power distribution system are introduced, especially the user equilibrium model, which describes the vehicular flow on each road segment and is not familiar to the readers in power system community. The modelling of interdependence across the two systems is highlighted. Taking into account such interdependence, applications ranging from long-term planning to short-term operation are reviewed with emphasis on comparing the description of traffic-power interdependence. Finally, an outlook of prospective directions and key technologies in future research is summarized.

Resilience-Oriented Distribution System Restoration Considering Mobile Emergency Resource Dispatch in Transportation System

“…DTA model is used to simulate the spatial and temporal distributions of traffic flows [26]. In this paper, the WDTA considering the priority of vehicles is proposed to minimize the total weighted travel time of different types of vehicles.…”

Distributed Holistic Framework for Smart City Infrastructures: Tale of Interdependent Electrified Transportation Network and Power Grid

“…As PEVs are mobile loads, a fully distributed framework can facilitate their integration in both power system model and transportation network, especially flexibility of PEVs charging demand can be modeled as mobile energy storage for congestion management in power distribution system. 4) Prior works on interdependent electrified transportation and power networks [18], [60], [71], [74]- [77] have proposed centralized algorithms to solve the coupled optimization problem in a synchronized fashion, i.e., they assume that each network optimizes its own problem and at the same time they share the required signals with other networks as exogenous input. Although centralized solutions often find the globally-optimum solution, they are not capable of accommodating different agents at each network have their spatiotemporally-varying constraints; i.e., it is more realistic to solve the problem in multiple layers in a synchronized manner while sharing information among these layers in a asynchronized manner.…”

Decomposition approach for the interdependency analysis of integrated power and transportation systems

“…Recently, a growing body of literature has emerged to address the interactions and couplings between the power and transportation systems. Researchers have investigated the equilibrium pattern of the coupled networks from the viewpoint of system operators [4–13]. The traffic flow is typically described by a Wardrop equilibrium pattern [7–12] or a social optimal pattern [4–6], while the power flow is depicted by optimal power flow models [4–12].…”