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Research and Prospect of Strong Coupling Pathway for Electricity-Heat Integrated Energy Network

1.School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China;2.School of Mechanical Engineering, Tongji University, Shanghai 200092, China


At present, the research of electricity-heat integrated energy networks is mostly based on the traditional heat network and limited to the weak coupling network composed of a small number of combined heat and power units. The energy cells driven by the 5th generation district heating and cooling (5GDHC) system can realize the high-density mesh integrated electricity-heat network through the heat pump pool and change the interactive form of the electricity-heat network. This paper discusses the great opportunities and challenges brought by the 5GDHC system to the unified modeling theory of integrated energy electricity-heat coupling network, and the broad application prospect of energy cell flexibility aggregation based on the 5GDHC system. Furthermore, the research status of the 5GDHC system, the multi-energy flow modeling theory of electricity-heat coupling network, and the flexibility aggregation method of distributed resources are summarized. Aiming at the opportunity of energy cells using the heat pump pools and the heat network thermal inertia to improve the flexibility of the power grid, the research idea of energy cell network flow theory and flexibility aggregation method driven by the 5GDHC system are proposed: the interaction mechanism and feasible region analysis of thermal dynamics from heat pump pool to distribution network and hierarchical coordinated optimization method for flexible aggregation and allocation of heterogeneous smart energy cell interconnection.



This work is supported by National Key R&D Program of China (No. 2018YFB0905000)Foundation:.

Get Citation
[1]LIU Xuezhi, YAN Zheng, XIE Da, et al. Research and Prospect of Strong Coupling Pathway for Electricity-Heat Integrated Energy Network[J]. Automation of Electric Power Systems,2022,46(13):204-215. DOI:10.7500/AEPS20210429008
  • Received:April 29,2021
  • Revised:August 31,2021
  • Adopted:
  • Online: September 28,2022
  • Published: