A Sustainability Improvement Strategy of Interconnected Data Centers Based on Dispatching Potential of Electric Vehicle Charging Stations

Sustainability

Zhao Liu¹  Xihao Wang¹  Yuqing Liu¹  Xiaojun Wang¹  Ye Yang²  Rongsheng Zhao²  Chun Xiao³ 

[1] School of Electrical Engineering, Beijing Jiaotong University, Beijing 100044, China;State Grid Electric Vehicle Service Company, Ltd., Beijing 100052, China;State Grid Shanxi Marketing Service Center, Taiyuan 030032, China;

关键词: internet data center;    carbon emission reduction;    workload migration;    electric vehicle charging station;    dispatching potential;    Minkowski sum;   

DOI  :  10.3390/su14116814

来源: DOAJ

【 摘 要 】

With the rapid development of information technology, the electricity consumption of Internet Data Centers (IDCs) increases drastically, resulting in considerable carbon emissions that need to be reduced urgently. In addition to the introduction of Renewable Energy Sources (RES), the joint use of the spatial migration capacity of IDC workload and the temporal flexibility of the demand of Electric Vehicle Charging Stations (EVCSs) provides an important means to change the carbon footprint of the IDC. In this paper, a sustainability improvement strategy for the IDC carbon emission reduction was developed by coordinating the spatial-temporal dispatch flexibilities of the IDC workload and the EVCS demand. Based on the Minkowski sum algorithm, a generalized flexible load model of the EVCSs, considering traffic flow and Road Impedance (RI) was formulated. The case studies show that the proposed method can effectively increase the renewable energy consumption, reduce the overall carbon emissions of multi-IDCs, reduce the energy cost of the DCO, and utilize the EV dispatching potential. Discussions are also provided on the relationship between workload processing time delay and the renewable energy consumption rate.

【 授权许可】

Unknown