Journal
ELECTRIC POWER SYSTEMS RESEARCH
Volume 179, Issue -, Pages -Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.epsr.2019.106082
Keywords
Configuration planning; Energy hub; Energy storage; Multi-energy systems; Operation simulation; Renewable energy
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Funding
- China-Croatia Inter-Governmental S&T Cooperation Project Flexible Urban sysTems in mUlti-eneRgy Environment - FUTURE
- Major Smart Grid Joint Project of National Natural Science Foundation of China and State Grid [U1766212]
- EU-CHINA Research and Innovation Partnership project Instigation of Research and Innovation Partnership on Renewable Energy, Energy Efficiency and Sustainable Energy Solutions for Cities (IRES-8) [ICI +/2014/347-910]
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Multi-energy systems (MES) contribute to increasing energy utilization efficiency and renewable energy accommodation by coupling multiple energy sectors. Beijing is planning to build a subsidiary administrative center in Tongzhou District. A new MES will be built in this center from scratch to jointly meet electricity, heat and cooling demands. This raises the need for optimizing the configuration of MES from scratch at the planning stage. In this paper, the configuration planning of the MES in Beijing's new subsidiary administrative center is conducted using a two-stage mixed-integer linear programming (MILP) approach based on the energy hub (EH) model. Given the load demand, distributed renewable energy sources, energy prices and candidate system component parameters, the MES configuration planning, equipment selection and capacity planning are jointly managed without limiting the possibility of MES configuration. A sensitivity analysis is performed to show the impacts of load profiles and energy prices on the optimal MES configuration. Operation simulations are carried out based on the obtained optimal planning scheme and another four alternative planning schemes presented by Beijing subsidiary administrative center. The operating cost, CO2 emission and overall system efficiency of each planning scheme are calculated and compared with each other.
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