Research on Real-Time Optimized Operation and Dispatching Strategy for Integrated Energy System Based on Error Correction

A real-time error correction operation model for an integrated energy system is proposed in this paper, based on the analysis of the real-time optimized operation structure of an integrated energy system and the characteristics of the system. The model makes real-time corrections to the day-ahead op...

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Bibliographic Details
Published in:Energies (Basel) 2020-06, Vol.13 (11), p.2908
Main Authors: Zeng, Aidong, Hao, Sipeng, Ning, Jia, Xu, Qingshan, Jiang, Ling
Format: Article
Language:English
Subjects:
Algorithms
Alternative energy sources
Cold
combined cooling and heating power (CCHP)
Consumption
dispatching strategy
Efficiency
Electricity distribution
Energy industry
Energy resources
Energy storage
Error correction
Error correction & detection
integrated energy system
Optimization
Real time operation
real-time optimized operation
Scheduling
Storage equipment
Strategy
Unbalance
Wind power
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Summary:A real-time error correction operation model for an integrated energy system is proposed in this paper, based on the analysis of the real-time optimized operation structure of an integrated energy system and the characteristics of the system. The model makes real-time corrections to the day-ahead operation strategy of the integrated energy system, to offset forecast errors from the renewable power generation system and multi-energy load system. When unbalanced power occurs in the system due to prediction errors, the model comprehensively considers the total capacity of each energy supply and energy storage equipment, adjustable margin, power climbing speed and adjustment cost, to formulate the droop rate which determines the unbalanced power that each device will undertake at the next time interval, while taking the day-ahead dispatching goals of the system into consideration. The case study shows that the dispatching strategy obtained by the real-time error correction operation model makes the power output change trend of the energy supply equipment consistent with the day-ahead dispatching plan at the next time interval, which ensures the safety, stability and economy of the real-time operation of the integrated energy system.
ISSN:1996-1073
1996-1073
DOI:10.3390/en13112908