期刊
JOURNAL OF MODERN POWER SYSTEMS AND CLEAN ENERGY
卷 8, 期 5, 页码 841-852出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.35833/MPCE.2019.000234
关键词
Dispatching scheme; dynamic time-interval; integrated energy system; model predictive control
资金
- National Key R&D Program of China [2018YFB0905000]
- National Natural Science Foundation of China [61873121]
- Science and Technology Project of State Grid Corporation of China [SGTJDK00DWJS1800232]
In integrated energy systems (IESs), traditional fixed time-interval dispatching scheme is unable to adapt to the need of dynamic properties of the transient network, demand response characteristics, dispatching time scales in energy subsystems and renewable power uncertainties. This scheme may easily result in uneconomic source-grid-load-storage operations in IES. In this paper, we propose a dispatching method for IES based on dynamic time-interval of model predictive control (MPC). We firstly build models for energy sub-systems and multi-energy loads in the power-gas-heat IES. Then, we develop an innovative optimization method leveraging trajectory deviation control, energy control, and cost control frameworks in MPC to handle the requirements and constraints over the time-interval of dispatching. Finally, a dynamic programming algorithm is introduced to efficiently solve the proposed method. Experiments and simulation results prove the effectiveness of the method.
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