Optimal economic and low‐carbon scheduling in integrated energy system considering multi‐level thermal energy coupling and integrated demand response
Abstract In integrated energy systems (IESs), thermal energies with different characteristics and efficiencies are typically regarded as having the same thermal energy level, which leads to unreasonable assumptions regarding the thermal energy structure of the system. Moreover, the traditional optim...
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| Main Authors: | , , , , , , , |
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| Format: | Article |
| Language: | English |
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Wiley
2025-04-01
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| Series: | Energy Conversion and Economics |
| Subjects: | |
| Online Access: | https://doi.org/10.1049/enc2.70009 |
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| author | Yanjun Jing Mingming Liang Haixin Wang Zihao Yang Gen Li Fausto Pedro García Márquez Junyou Yang Zhe Chen |
| author_facet | Yanjun Jing Mingming Liang Haixin Wang Zihao Yang Gen Li Fausto Pedro García Márquez Junyou Yang Zhe Chen |
| author_sort | Yanjun Jing |
| collection | DOAJ |
| description | Abstract In integrated energy systems (IESs), thermal energies with different characteristics and efficiencies are typically regarded as having the same thermal energy level, which leads to unreasonable assumptions regarding the thermal energy structure of the system. Moreover, the traditional optimal operation method does not consider the impact of expanding a single thermal energy flow into a multi‐level thermal energy flow on the optimal operation results of the system. These problems pose challenges to the complexity of multi‐level thermal energy flow mechanisms and optimal operation results of the IES. To tackle this challenge, first, this study establishes a multi‐level thermal energy coupling (MTEC) model, which divides the thermal energy flow into three levels according to temperature, and re‐models the production and conversion equipment based on thermal energy levels. Second, the energy hub matrix for MTEC‐IDR joint operation is proposed, and the integrated demand response (IDR) is introduced to replace energy storage devices to solve the problem of rising costs caused by insufficient load flexibility. Finally, the system constraints and objective function are improved, and an optimal IES scheduling strategy under the MTEC‐IDR mechanism is proposed. The effectiveness of the proposed strategy is proved from the perspectives of low‐carbon implementation and economy. |
| format | Article |
| id | doaj-art-4aec68dadb4d4798af4b8db2fa784f25 |
| institution | DOAJ |
| issn | 2634-1581 |
| language | English |
| publishDate | 2025-04-01 |
| publisher | Wiley |
| record_format | Article |
| series | Energy Conversion and Economics |
| spelling | doaj-art-4aec68dadb4d4798af4b8db2fa784f252025-08-20T03:14:32ZengWileyEnergy Conversion and Economics2634-15812025-04-01628310010.1049/enc2.70009Optimal economic and low‐carbon scheduling in integrated energy system considering multi‐level thermal energy coupling and integrated demand responseYanjun Jing0Mingming Liang1Haixin Wang2Zihao Yang3Gen Li4Fausto Pedro García Márquez5Junyou Yang6Zhe Chen7School of Electrical Engineering Shenyang University of Technology (SUT) Shenyang Liaonning Province ChinaSchool of Electrical Engineering Shenyang University of Technology (SUT) Shenyang Liaonning Province ChinaSchool of Electrical Engineering Shenyang University of Technology (SUT) Shenyang Liaonning Province ChinaSchool of Electrical Engineering Shenyang University of Technology (SUT) Shenyang Liaonning Province ChinaDepartment of Engineering Technology Technical University of Denmark (DTU) Ballerup DenmarkIngenium Research Group Universidad Castilla‐La Mancha Ciudad Real SpainSchool of Electrical Engineering Shenyang University of Technology (SUT) Shenyang Liaonning Province ChinaDepartment of Energy Technology Aalborg University Aalborg DenmarkAbstract In integrated energy systems (IESs), thermal energies with different characteristics and efficiencies are typically regarded as having the same thermal energy level, which leads to unreasonable assumptions regarding the thermal energy structure of the system. Moreover, the traditional optimal operation method does not consider the impact of expanding a single thermal energy flow into a multi‐level thermal energy flow on the optimal operation results of the system. These problems pose challenges to the complexity of multi‐level thermal energy flow mechanisms and optimal operation results of the IES. To tackle this challenge, first, this study establishes a multi‐level thermal energy coupling (MTEC) model, which divides the thermal energy flow into three levels according to temperature, and re‐models the production and conversion equipment based on thermal energy levels. Second, the energy hub matrix for MTEC‐IDR joint operation is proposed, and the integrated demand response (IDR) is introduced to replace energy storage devices to solve the problem of rising costs caused by insufficient load flexibility. Finally, the system constraints and objective function are improved, and an optimal IES scheduling strategy under the MTEC‐IDR mechanism is proposed. The effectiveness of the proposed strategy is proved from the perspectives of low‐carbon implementation and economy.https://doi.org/10.1049/enc2.70009energy hubintegrated demand responseintegrated energy systemmulti‐level thermal energy coupling |
| spellingShingle | Yanjun Jing Mingming Liang Haixin Wang Zihao Yang Gen Li Fausto Pedro García Márquez Junyou Yang Zhe Chen Optimal economic and low‐carbon scheduling in integrated energy system considering multi‐level thermal energy coupling and integrated demand response Energy Conversion and Economics energy hub integrated demand response integrated energy system multi‐level thermal energy coupling |
| title | Optimal economic and low‐carbon scheduling in integrated energy system considering multi‐level thermal energy coupling and integrated demand response |
| title_full | Optimal economic and low‐carbon scheduling in integrated energy system considering multi‐level thermal energy coupling and integrated demand response |
| title_fullStr | Optimal economic and low‐carbon scheduling in integrated energy system considering multi‐level thermal energy coupling and integrated demand response |
| title_full_unstemmed | Optimal economic and low‐carbon scheduling in integrated energy system considering multi‐level thermal energy coupling and integrated demand response |
| title_short | Optimal economic and low‐carbon scheduling in integrated energy system considering multi‐level thermal energy coupling and integrated demand response |
| title_sort | optimal economic and low carbon scheduling in integrated energy system considering multi level thermal energy coupling and integrated demand response |
| topic | energy hub integrated demand response integrated energy system multi‐level thermal energy coupling |
| url | https://doi.org/10.1049/enc2.70009 |
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