Optimal Operation of Integrated Electricity-Gas System Considering Uncertainty of Integrated Demand Response

doi:10.11930/j.issn.1004-9649.202002127

Abstract

Abstract: In order to effectively analyze the influence of integrated demand response (IDR) uncertainty on the security of system operation, an optimal operation model for integrated electricity-gas system (IEGS) considering the IDR uncertainty is proposed by taking the IEGS as an example. Firstly, according to the implementation characteristics of energy price-based IDR project, different types of IDR uncertainty models are established using the fuzzy method and probability method comprehensively. On this basis, the point estimation method is used to calculate the probabilistic energy flow of the system, and the calculation results are taken as chance constraints to minimize the operation costs of IEGS and ensure the security of the system. Finally, by taking the IEGS consisting of improved IEEE-33 power system and 20-node natural gas system for case study, the effectiveness of the proposed model and method are verified, and the wind power accommodation capacity of the system is evaluated under uncertainty context.

Key words: integrated electricity-gas system, integrated demand response, optimal operation, probabilistic energy flow

LUO Jinman, ZHAO Shanlong, FENG Youjun, LIU Zhuoxian, DONG Wenjie, YANG Yanhong. Optimal Operation of Integrated Electricity-Gas System Considering Uncertainty of Integrated Demand Response[J]. Electric Power, 2020, 53(12): 119-126.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.202002127

https://www.electricpower.com.cn/EN/Y2020/V53/I12/119

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