Research and Practice on Energy Coupling for Achieving High Penetration of Wind Power in Northeast China Power Grid.

Northeast China is part of a very cold and windrich area. The coal-fired heating consumption is very large and air pollution is quite serious during the whole winter heating period. The energy vector coupling between wind power and heating has remarkable economic benefits and environmental value. This paper proposed three measures aimed at solving the economic and technological problems for the coupling, considering the major forms of urban heat-sources, i.e. thermal power plants and coal-fired boiler centers. For coupling on the generation side, co-generation units combined with heat storage electric boilers (e-boilers) have been adopted, and a Northeast Power Peak Regulation Ancillary Service Market was established, which solved the problem of economic compensation of wind power heating. For load side coupling, coal-fired boilers combined with e-boilers have been employed, and a direct trading model between wind power and thermal storage electric boilers has been built. A third measure is establishing a coupling between the potential e-boilers and curtailment by planned capacity of curtailment-based e-boiler and advanced on-line dispatch. The results show that wind power is achieving a significant level in Northeast China. [ABSTRACT FROM AUTHOR]