CO2 emission reductions influenced by PEV-wind synergistic dispatching

Delivering a low-carbon, low-energy consumption and low-pollution economy puts electricity industry on a path to cut CO₂ emissions. In a power system with a share of wind energy, the wind power fluctuation causes a variation in the power generation, which must be compensated from other sources. If we can give guidance in Plug-in Electric Vehicle (PEV) charging time and make vehicles to be charged primarily during off-peak periods, PEV-wind synergistic dispatching can realize load balance and increasing wind power integration and thereby reducing CO₂ emissions. In this thesis, we take Shandong power grid as an example and set up optimized math model which is provided to minimize the system emissions of CO₂. On the one hand, CO₂ emissions per kWh of electricity are calculated under different charging scenarios and PEV-wind synergistic dispatching CO₂ reduction in power system is obtained. On the other hand, extra wind power integrating into power system is considered to supply for PEVs´ charging power, and the rest of PEVs charge from power system. On this basis, PEVs´ CO₂ emissions per 100 kilometres under different charging scenarios are calculated and PEV-wind CO₂ reduction per 100 kilometres in transport industry is obtained.