Self-triggered coordination of distributed renewable generators for frequency restoration in islanded microgrids: A low communication and computation strategy
Microgrid provides a promising solution to consume more distributed renewable energies. To coordinate the increasingly developed distributed renewable generators in a high flexibility and high efficiency way, distributed event-triggered mechanisms have been widely investigated in the literature to r...
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| Format: | Article |
| Language: | English |
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Elsevier
2023-06-01
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| Series: | Advances in Applied Energy |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2666792423000070 |
| _version_ | 1827929147914059776 |
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| author | Yulin Chen Donglian Qi Hongxun Hui Shaohua Yang Yurun Gu Yunfeng Yan Yi Zheng Jiangfeng Zhang |
| author_facet | Yulin Chen Donglian Qi Hongxun Hui Shaohua Yang Yurun Gu Yunfeng Yan Yi Zheng Jiangfeng Zhang |
| author_sort | Yulin Chen |
| collection | DOAJ |
| description | Microgrid provides a promising solution to consume more distributed renewable energies. To coordinate the increasingly developed distributed renewable generators in a high flexibility and high efficiency way, distributed event-triggered mechanisms have been widely investigated in the literature to reduce the communication requirement and hence improve the control performance of microgrids. However, most of the event-triggered mechanisms mandate continuous calculation of complicated triggering conditions, which may in turn impose the computation burden of the controller and increase additional energy cost. To this end, this paper presents a distributed self-triggered control strategy for the frequency restoration in islanded microgrids with the aid of a linear clock. With this self-triggered solution, each distributed generator’s controller decides its own control and communication actions based on monitoring the linear clock, which excludes continuous calculation of any triggering conditions. Thus, the communication and computation costs can be reduced simultaneously. Moreover, Zeno behavior can be naturally excluded by the above design. The results of theoretical analysis and simulations show that the proposed distributed self-triggered control scheme can effectively coordinate distributed renewable generators with very low communication and computation requirements. Therefore, this research can improve the coordination efficiency of microgrids greatly, which is very useful for guiding the efficient operation of large-scale distributed renewable generators. |
| first_indexed | 2024-03-13T06:18:39Z |
| format | Article |
| id | doaj.art-63b2c77666674048a30091e0f9ee6d9b |
| institution | Directory Open Access Journal |
| issn | 2666-7924 |
| language | English |
| last_indexed | 2024-03-13T06:18:39Z |
| publishDate | 2023-06-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Advances in Applied Energy |
| spelling | doaj.art-63b2c77666674048a30091e0f9ee6d9b2023-06-10T04:28:42ZengElsevierAdvances in Applied Energy2666-79242023-06-0110100128Self-triggered coordination of distributed renewable generators for frequency restoration in islanded microgrids: A low communication and computation strategyYulin Chen0Donglian Qi1Hongxun Hui2Shaohua Yang3Yurun Gu4Yunfeng Yan5Yi Zheng6Jiangfeng Zhang7Hainan Institute of Zhejiang University, Yazhou Bay Science and Technology City, Sanya, 572025, Hainan Province, ChinaCorresponding authors.; Hainan Institute of Zhejiang University, Yazhou Bay Science and Technology City, Sanya, 572025, Hainan Province, China; Zhejiang University, 38 Zheda Road, Hangzhou, 310027, Zhejiang Province, ChinaCorresponding authors.; University of Macau, Avenida da Universidade, Taipa, 999078, Macao, ChinaUniversity of Macau, Avenida da Universidade, Taipa, 999078, Macao, ChinaMacau University of Science and Technology, Avenida Wai Long, Taipa, 999078, Macao, ChinaZhejiang University, 38 Zheda Road, Hangzhou, 310027, Zhejiang Province, ChinaZhejiang University, 38 Zheda Road, Hangzhou, 310027, Zhejiang Province, ChinaState Grid Zhejiang Electric Power Research Institute, Zhaohui 8th District, Gongshu District, Hangzhou, 310027, Zhejiang Provence, ChinaMicrogrid provides a promising solution to consume more distributed renewable energies. To coordinate the increasingly developed distributed renewable generators in a high flexibility and high efficiency way, distributed event-triggered mechanisms have been widely investigated in the literature to reduce the communication requirement and hence improve the control performance of microgrids. However, most of the event-triggered mechanisms mandate continuous calculation of complicated triggering conditions, which may in turn impose the computation burden of the controller and increase additional energy cost. To this end, this paper presents a distributed self-triggered control strategy for the frequency restoration in islanded microgrids with the aid of a linear clock. With this self-triggered solution, each distributed generator’s controller decides its own control and communication actions based on monitoring the linear clock, which excludes continuous calculation of any triggering conditions. Thus, the communication and computation costs can be reduced simultaneously. Moreover, Zeno behavior can be naturally excluded by the above design. The results of theoretical analysis and simulations show that the proposed distributed self-triggered control scheme can effectively coordinate distributed renewable generators with very low communication and computation requirements. Therefore, this research can improve the coordination efficiency of microgrids greatly, which is very useful for guiding the efficient operation of large-scale distributed renewable generators.http://www.sciencedirect.com/science/article/pii/S2666792423000070Distributed renewable generatorsFrequency restorationDistributed controlSelf-triggered mechanismControl efficiencyIslanded microgrid |
| spellingShingle | Yulin Chen Donglian Qi Hongxun Hui Shaohua Yang Yurun Gu Yunfeng Yan Yi Zheng Jiangfeng Zhang Self-triggered coordination of distributed renewable generators for frequency restoration in islanded microgrids: A low communication and computation strategy Advances in Applied Energy Distributed renewable generators Frequency restoration Distributed control Self-triggered mechanism Control efficiency Islanded microgrid |
| title | Self-triggered coordination of distributed renewable generators for frequency restoration in islanded microgrids: A low communication and computation strategy |
| title_full | Self-triggered coordination of distributed renewable generators for frequency restoration in islanded microgrids: A low communication and computation strategy |
| title_fullStr | Self-triggered coordination of distributed renewable generators for frequency restoration in islanded microgrids: A low communication and computation strategy |
| title_full_unstemmed | Self-triggered coordination of distributed renewable generators for frequency restoration in islanded microgrids: A low communication and computation strategy |
| title_short | Self-triggered coordination of distributed renewable generators for frequency restoration in islanded microgrids: A low communication and computation strategy |
| title_sort | self triggered coordination of distributed renewable generators for frequency restoration in islanded microgrids a low communication and computation strategy |
| topic | Distributed renewable generators Frequency restoration Distributed control Self-triggered mechanism Control efficiency Islanded microgrid |
| url | http://www.sciencedirect.com/science/article/pii/S2666792423000070 |
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