HE Shuai,LIU Nian,SHENG Chaoqun,et al.Distributed Optimal Scheduling for Minimizing Exergy Loss Based on Joint Operation of Multiple Energy Hubs[J].Automation of Electric Power Systems,2021,45(9):28-37.
HE Shuai,LIU Nian,SHENG Chaoqun,et al.Distributed Optimal Scheduling for Minimizing Exergy Loss Based on Joint Operation of Multiple Energy Hubs[J].Automation of Electric Power Systems,2021,45(9):28-37. DOI: 10.7500/AEPS20201021006.
Distributed Optimal Scheduling for Minimizing Exergy Loss Based on Joint Operation of Multiple Energy Hubs
Energy hub (EH) is an important part of the energy conversion supply process. It integrates natural gas
heat
electricity and other energy forms to effectively improve energy efficiency. This paper studies the coordinated optimization operation of multiple EHs in the same energy distribution network. Different from the previous optimization for the minimization of operation cost
this paper introduces the thermodynamic parameter
i.e.
exergy
into the optimal scheduling of multiple EHs
and takes the minimum exergy loss as the optimization objective
so as to realize the efficient utilization of energy. Aiming at the time delay and power loss problems of the heat transmission network
the thermal delay time parameter and the power loss coefficient are introduced to improve the modeling accuracy of heat networks. Meanwhile
considering that different EHs are managed by different operators
this paper uses the distributed optimization algorithm based on the alternating direction method of multipliers (ADMM) to solve the problem. Each EH only needs to provide “expected exchange power”
which protects the privacy of each EH
reduces the amount of communication
and ensures the independence of scheduling. Finally
the operation scheduling of three EHs are used for case study
and the effectiveness of the proposed method is verified.
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