Mostrando recursos 1 - 2 de 2

  1. Impacts of fleet types and charging modes for electric vehicles on emissions under different penetrations of wind power

    Chen, Xinyu; Zhang, Hongcai; Xu, Zhiwei; Nielsen, Chris; McElroy, Michael Brendon; Lv, Jiajun
    Current Chinese policy promotes the development of both electricity-propelled vehicles and carbon-free sources of power. Concern has been expressed that electric vehicles on average may emit more CO2 and conventional pollutants in China. Here, we explore the environmental implications of investments in different types of electric vehicle (public buses, taxis and private light-duty vehicles) and different modes (fast or slow) for charging under a range of different wind penetration levels. To do this, we take Beijing in 2020 as a case study and employ hourly simulation of vehicle charging behaviour and power system operation. Assuming the slow-charging option, we find...
    - 11-may-2018

  2. Integrated Energy Systems for Higher Wind Penetration in China: Formulation, Implementation and Impacts

    Chen, Xinyu; McElroy, Michael Brendon; Kang, Chongqing
    With the largest installed capacity in the world, wind power in China is experiencing a ∼20% curtailment. The inflexible combined heat and power (CHP) has been recognized as the major barrier for integrating the wind source. The approach to reconcile the conflict between inflexible CHP units and variable wind power in Chinese energy system is yet un-clear. This paper explores the technical and economic feasibility of deploying the heat storage tanks and electric boilers under typical power grids and practical operational regulations. A mixed integer linear optimization model is proposed to simulate an integrated power and heating energy systems, including...
    - 15-dic-2017

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