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Appl. Sci. 2018, 8(2), 191; https://doi.org/10.3390/app8020191

An Optimal Domestic Electric Vehicle Charging Strategy for Reducing Network Transmission Loss While Taking Seasonal Factors into Consideration

1
Key Laboratory of Smart Grid of Ministry of Education, Tianjin University, Tianjin 300072, China
2
China Electric Power Research Institute, Beijing 100192, China
3
Department of Electrical Engineering, Northeast Electric Power University, Jilin 132012, China
*
Author to whom correspondence should be addressed.
Received: 11 January 2018 / Revised: 24 January 2018 / Accepted: 25 January 2018 / Published: 26 January 2018
(This article belongs to the Special Issue Electric Vehicle Charging)
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Abstract

With the rapid growth of domestic electric vehicle charging loads, the peak-valley gap and power fluctuation rate of power systems increase sharply, which can lead to the increase of network losses and energy efficiency reduction. This paper tries to regulate network loads and reduce power system transmission loss by optimizing domestic electric vehicle charging loads. In this paper, a domestic electric vehicle charging loads model is first developed by analyzing the key factors that can affect users’ charging behavior. Subsequently, the Monte Carlo method is proposed to simulate the power consumption of a cluster of domestic electric vehicles. After that, an optimal electric vehicle charging strategy based on the 0-1 integer programming is presented to regulate network daily loads. Finally, by taking the IEEE33 distributed power system as an example, this paper tries to verify the efficacy of the proposed optimal charging strategy and the necessity for considering seasonal factors when scheduling electric vehicle charging loads. Simulation results show that the proposed 0-1 integer programming method does have good performance in reducing the network peak-valley gap, voltage fluctuation rate, and transmission loss. Moreover, it has some potential to further reduce power system transmission loss when seasonal factors are considered. View Full-Text
Keywords: domestic electric vehicles; charging strategy; network transmission loss; seasonal factor; the 0-1 integer programming domestic electric vehicles; charging strategy; network transmission loss; seasonal factor; the 0-1 integer programming
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Zhao, Y.; Che, Y.; Wang, D.; Liu, H.; Shi, K.; Yu, D. An Optimal Domestic Electric Vehicle Charging Strategy for Reducing Network Transmission Loss While Taking Seasonal Factors into Consideration. Appl. Sci. 2018, 8, 191.

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