Assessment of the solar energy accommodation capability of the district integrated energy systems considering the transmission delay of the heating network

Wei, Wei, Wu, Jingwen ORCID: https://orcid.org/0000-0001-7928-3602, Mu, Yunfei, Wu, Jianzhong ORCID: https://orcid.org/0000-0001-7928-3602, Jia, Hongjie, Yuan, Kai, Song, Yi and Sun, Chongbo 2021. Assessment of the solar energy accommodation capability of the district integrated energy systems considering the transmission delay of the heating network. International Journal of Electrical Power and Energy Systems 130 , 106821. 10.1016/j.ijepes.2021.106821

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Abstract

With the rapid development of global solar energy applications in recent years, it is crucial to establish a scientific assessment method for solar energy accommodation capability to formulate a rational solar energy utilization scheme. With consideration of two typical solar utilization technologies, photovoltaic and solar thermal collecting technology, and the difference between the energy grades of electricity and heat, new assessment indicators are proposed to investigate the accommodation capability of solar energy. Based on the proposed assessment indicators, an assessment model is carried out to determine the solar accommodation capability of district integrated electrical and heating systems (DIEHSs) considering transmission delay of district heating network (DHN), which can inform the development of an optimal solar accommodation scheme. The effectiveness of the assessment model is verified through a DIEHS consisting of an IEEE 33-bus system and a DHN in China. Finally, specific strategies for enhancing solar energy accommodation capability are given by analyzing the influences of transmission delay of DHN, operating temperature range, solar energy curtailment rate, and energy storage on solar energy accommodation capability.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Engineering
Publisher:	Elsevier
ISSN:	0142-0615
Date of First Compliant Deposit:	17 May 2021
Date of Acceptance:	15 January 2021
Last Modified:	09 May 2023 06:23
URI:	https://orca.cardiff.ac.uk/id/eprint/141304

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