Coordinated Flexibility Scheduling for Urban Integrated Heat and Power Systems by Considering the Temperature Dynamics of Heating Network

Wei Wei, Yaping Shi, Kai Hou, Lei Guo, Linyu Wang, Hongjie Jia, Jianzhong Wu and Chong Tong
Additional contact information
Wei Wei: Key Laboratory of Smart Grid of Ministry of Education, Tianjin University, Tianjin 300072, China
Yaping Shi: Key Laboratory of Smart Grid of Ministry of Education, Tianjin University, Tianjin 300072, China
Kai Hou: Key Laboratory of Smart Grid of Ministry of Education, Tianjin University, Tianjin 300072, China
Lei Guo: State Grid (Suzhou) City & Energy Research Institute, State Grid Energy Research Institute Co., Ltd., Beijing 102209, China
Linyu Wang: State Grid (Suzhou) City & Energy Research Institute, State Grid Energy Research Institute Co., Ltd., Beijing 102209, China
Hongjie Jia: Key Laboratory of Smart Grid of Ministry of Education, Tianjin University, Tianjin 300072, China
Jianzhong Wu: School of Engineering, Cardiff University, Cardiff CF24 3AA, UK
Chong Tong: State Grid Corp China, Jiangsu Elect Power Co., Ltd., Suzhou 215007, China

Energies, 2020, vol. 13, issue 12, 1-23

Abstract: The coordinated heat-electricity dispatch of the urban integrated energy system (UIES) helps to improve the system flexibility, thereby overcoming the adverse effects caused by the random fluctuations of renewable energy (RE) and promoting the penetration of RE. Among them, the dynamic characteristics of the urban heat network (UHN) are important features that need to be considered for the operating scheduling of the UIES. This paper aims to establish a flexibility scheduling model for UIES based on the dynamic characteristics of the UHN. First, the typical structure and key equipment model of the urban integrated heat and power system (UIHPS) with the dynamic characteristics of the UHN is proposed. Then, the definition and model of the UIHPS flexibility and the assessment index of the flexibility are developed. Moreover, a flexibility scheduling model for a UIHPS that considers the dynamic characteristics of a UHN is established. Finally, the validity of the proposed model is validated by case studies, and the applicability of flexibility scheduling and the effect of heat load (HL) are analyzed.

Keywords: urban integrated heat and power system; random fluctuations of renewable energy; flexibility scheduling; temperature dynamics of the urban heat network (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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