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Multi-state operating reserve model of aggregate thermostatically-controlled-loads for power system short-term reliability evaluation
Ding,Yi1; Cui,Wenqi1; Zhang,Shujun2; Hui,Hongxun1; Qiu,Yiwei1; Song,Yonghua1,3
2019-05-01
Source PublicationApplied Energy
ISSN0306-2619
Volume241Pages:46-58
Abstract

Thermostatically-controlled-loads (TCLs) have been regarded as a good candidate for maintaining the power system reliability by providing operating reserve. The short-term reliability evaluation of power systems, which is essential for power system operators in decision making to secure the system real time balancing, calls for the accurate modelling of operating reserve provided by TCLs. However, the particular characteristics of TCLs make their dynamic response different from the traditional generating units, resulting in difficulties to accurately represent the reliability of operating reserve provided by TCLs with conventional reliability model. This paper proposes a novel multi-state reliability model of operating reserve provided by TCLs considering their dynamic response during the reserve deployment process. An analytical model for characterizing dynamics of operating reserve provided by TCLs is firstly developed based on the migration of TCLs’ room temperature within the temperature hysteresis band. Then, considering the stochastic consumers’ behaviour and ambient temperature, the probability distribution functions of reserve capacity provided by TCLs are obtained by cumulants. On this basis, the states of reserve capacity and the corresponding probabilities at each time instant are obtained for representing the reliability of operating reserve provided by TCLs in the L-transform approach. Case studies are conducted to validate the proposed technique.

KeywordLz-transform Operating Reserve Power System Short-term Reliability Evaluation Thermostatically-controlled-loads
DOI10.1016/j.apenergy.2019.02.018
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaEnergy & Fuels ; Engineering
WOS SubjectEnergy & Fuels ; Engineering, Chemical
WOS IDWOS:000465509500005
Scopus ID2-s2.0-85062321465
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Cited Times [WOS]:15   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionFaculty of Science and Technology
Corresponding AuthorCui,Wenqi
Affiliation1.College of Electrical Engineering,Zhejiang University,Hangzhou,China
2.State Grid Zhejiang Electric Power Company,Hangzhou,China
3.Department of Electrical and Computer Engineering,University of Macau,Macau,China
Recommended Citation
GB/T 7714
Ding,Yi,Cui,Wenqi,Zhang,Shujun,et al. Multi-state operating reserve model of aggregate thermostatically-controlled-loads for power system short-term reliability evaluation[J]. Applied Energy,2019,241:46-58.
APA Ding,Yi,Cui,Wenqi,Zhang,Shujun,Hui,Hongxun,Qiu,Yiwei,&Song,Yonghua.(2019).Multi-state operating reserve model of aggregate thermostatically-controlled-loads for power system short-term reliability evaluation.Applied Energy,241,46-58.
MLA Ding,Yi,et al."Multi-state operating reserve model of aggregate thermostatically-controlled-loads for power system short-term reliability evaluation".Applied Energy 241(2019):46-58.
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