Analysis of distribution systems in the presence of electric vehicles and optimal allocation of distributed generations considering power loss and voltage stability index

被引：4

作者：

Sivakumar, Shwetha ^{[1
]}

Gunaseelan, Sarvesh Babu Ramasamy ^{[1
]}

Krishnakumar, Mithra Vinda Reddy ^{[1
]}

Krishnan, Narayanan ^{[1
]}

Sharma, Anurag ^{[2
]}

Tellez, Alexander Aguila ^{[3
]}

机构：

[1] SASTRA Deemed Univ, Dept Elect & Elect Engn, Thanjavur, India

[2] New Castle Univ, Dept Elect Power Engn, Singapore, Singapore

[3] Univ Politecn Salesiana, Quito, Ecuador

来源：

IET GENERATION TRANSMISSION & DISTRIBUTION | 2024年 / 18卷 / 06期

关键词：

distributed power generation; distribution planning and operation; electric vehicles; power distribution economics; NETWORK RECONFIGURATION; OPTIMAL PLACEMENT; DG ALLOCATION;

D O I：

10.1049/gtd2.12968

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Electric Vehicles (EV) have the potential to completely transform the transportation industry, reduce carbon emissions significantly, and pave the road for significant climate progress. According to surveys, worries regarding range and charging accessibility are a significant barrier to EV customer adoption. The electricity grid will be significantly impacted by EV charging. A coordinated charging approach that facilitates EV charging while avoiding the power grid from overloading is required to manage EV charging. In this work, the EVs are classified based on their charging capacity. This classification includes car, truck, and bus. With this a charging discharging scheme has been established using Real Time Pricing for each hour for a 20-min block. The Voltage Stability Index (VSI) for the system is calculated for the system and the strongest bus is identified for locating the EVs to charge/discharge.Augmenting this, in the present work, the power loss is analyzed when Distributed Generation (DG) units are installed after the EVs are located in the system for charging and discharging. The DG units are installed in each feeder, considering the VSI and Penetration Level (PL) and the power losses incurred due to the presence of EVs. The Monetary benefit of such an investment is analyzed for different topologies of IEEE-33 and 69 bus systems and compared with the existing methods where DGs are installed before the EVs are located in the system for charging and discharging. The concept of Electric Vehicles (EVs) and the optimal placement of Distributed Generation (DGs) in the distribution systems are elucidated in this paper.The EVs are classified based on their battery capacity, charging, and discharging pattern and the EVs are located at the best location in the bus system based on Voltage Stability Index (VSI) of the system.The optimal sizes of the DGs are computed based on the location identified based on the VSI of the system and its effect on loss reduction for different topologies and systems.The economic effectiveness of the proposed concept is evaluated by comparing the results with other methods. image

引用

页码：1114 / 1132

页数：19

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