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Copula-based integration of electric vehicles into a smart grid using MILP

Pohl, Christian and Franke, Georg and Schneider, Maximilian and Rinderknecht, Stephan (2020):
Copula-based integration of electric vehicles into a smart grid using MILP.
In: IEEE Power and Energy Student Summit, 5-7 Oct. 2020, pp. 1-6,
ISBN 978-3-8007-5337-6,
[Conference or Workshop Item]

Abstract

This paper presents an approach to integrate electric vehicles into a smart grid formulated by a mixed integer linear programming (MILP) model. Modelling the driving patterns of the electric vehicles has to consider their variability. Therefore, a stochastic approach is used to model electric vehicle usage. The variables used to describe the mobility behaviour are strongly correlated. Hence, a copula function is used to create a multivariate probability distribution of the variables, taking into account the correlations among variables as well as the marginal distributions of the individual variables. Additionally, differences between the mobility behaviour of five groups of people with different occupational activities are considered. Afterwards, a simulation is carried out to assess the impact of electric vehicles on the smart grid from the perspective of an energy supplier operating the local energy production. An uncontrolled, a controlled and a bidirectional charging strategy are analysed. The uncontrolled strategy leads to increased energy demand in the evening during peak demand and more than 20% increased grid demand of the smart grid. In the controlled strategies, more charging demand is satisfied with locally produced energy. The bidirectional strategy furthermore cuts the grid demand in the morning and evening during peak electricity demand.

Item Type: Conference or Workshop Item
Erschienen: 2020
Creators: Pohl, Christian and Franke, Georg and Schneider, Maximilian and Rinderknecht, Stephan
Title: Copula-based integration of electric vehicles into a smart grid using MILP
Language: English
Abstract:

This paper presents an approach to integrate electric vehicles into a smart grid formulated by a mixed integer linear programming (MILP) model. Modelling the driving patterns of the electric vehicles has to consider their variability. Therefore, a stochastic approach is used to model electric vehicle usage. The variables used to describe the mobility behaviour are strongly correlated. Hence, a copula function is used to create a multivariate probability distribution of the variables, taking into account the correlations among variables as well as the marginal distributions of the individual variables. Additionally, differences between the mobility behaviour of five groups of people with different occupational activities are considered. Afterwards, a simulation is carried out to assess the impact of electric vehicles on the smart grid from the perspective of an energy supplier operating the local energy production. An uncontrolled, a controlled and a bidirectional charging strategy are analysed. The uncontrolled strategy leads to increased energy demand in the evening during peak demand and more than 20% increased grid demand of the smart grid. In the controlled strategies, more charging demand is satisfied with locally produced energy. The bidirectional strategy furthermore cuts the grid demand in the morning and evening during peak electricity demand.

Title of Book: IEEE Power and Energy Student Summit, 5-7 Oct. 2020
ISBN: 978-3-8007-5337-6
Uncontrolled Keywords: Vehicle to grid (V2G), electric vehicle, smart grid, copula, MILP
Divisions: 16 Department of Mechanical Engineering
16 Department of Mechanical Engineering > Institute for Mechatronic Systems in Mechanical Engineering (IMS)
Date Deposited: 26 Jan 2021 06:25
Official URL: https://ieeexplore.ieee.org/document/9273772/authors#authors
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