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CO_2 Reduction Benefit by Coordinated Dispatch of Electric Vehicle Charging and Wind Power

YU Dayang1,HUANG Haili1,LEI Ming2,LI Xin2,ZHANG Bo1,HAN Xueshan1(1.School of Electrical Engineering,Shandong University,Jinan 250061,China; 2.Shandong Electric Power Dispatching Center,Jinan 250001,China)  
Based on a coordinated dispatch model of the electric vehicle(EV) and wind power,the model of CO2 emission reduction benefit is established to analyze CO2 emission reduction both in the power grid and transport sector.CO2 emission factor of thermal power is calculated,and then CO2 emissions under EV charging with and without coordinated dispatch are compared.CO2 emissions of gasoline-powered cars and EVs charged by thermal power,charging with and without coordinated dispatch with wind power are compared through the calculating model of CO2 emissions per unit.Taking average CO2 emissions of power grid and per unit of vehicles as measures,the CO2 emission reduction by coordinated dispatch compared to EV charging without coordinated dispatch increases significantly along with the increase of wind power installed capacity.Consequently,coordinated dispatch is an effective means to realize collaborative use of large-scale wind power and EVs. This work is supported by National Natural Science Foundation of China(No.51107072) and Shandong Provincial Natural Science Foundation of China(No.ZR2010EQ005).
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