Operation Optimization and Reliability Evaluation of Integrated Energy System Based on Improved Timing Constraint Petri Net

doi:10.11930/j.issn.1004-9649.202003183

Abstract

Abstract: The integrated energy system (IES) contains many types of equipment and load, and the coupling modes between the equipment are varied. In the construction process of actual integrated park, it is very important to evaluate the economy and reliability of different energy supply modes. Firstly, this paper establishes an operation optimization model of the IES system according to the basic modeling principle of the time constraint Petri net (TCPN), and by constructing the timing model of the cool and heat energy supply system, the general model coupling equipment and the energy storage devices. And then, the two-state model of the components in the system is analyzed to establish the system state space model. The corresponding energy supply reliability indexes are calculated by random sampling of the system state. Finally, the reliability and economy of multi-energy system under different operation modes are evaluated through case study of an actual integrated park with multi-energy storage, such as heat storage, electricity storage and gas storage.

Key words: integrated energy system, timing constraint Petri net, reliability, Monte Carlo simulation method

HU Liexiang, WANG Lei, DONG Mingfeng, LI Hongzhong, SUN Ke, HU Zhesheng. Operation Optimization and Reliability Evaluation of Integrated Energy System Based on Improved Timing Constraint Petri Net[J]. Electric Power, 2020, 53(10): 123-132,139.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.202003183

https://www.electricpower.com.cn/EN/Y2020/V53/I10/123

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