Distributed control of multiple-bus microgrid with paralleled distributed generators
A microgrid is hard to control due to its reduced inertia and increased uncertainties. To overcome the challenges of microgrid control, advanced controllers need to be developed. In this paper, a distributed, two-level,communication-economic control scheme is presented for multiple-bus microgrids wi...
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| Veröffentlicht in: | IEEE/CAA journal of automatica sinica 2019-05, Vol.6 (3), p.676-684 |
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| container_title | IEEE/CAA journal of automatica sinica |
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| creator | Fan, Bo Peng, Jiangkai Duan, Jiajun Yang, Qinmin Liu, Wenxin |
| description | A microgrid is hard to control due to its reduced inertia and increased uncertainties. To overcome the challenges of microgrid control, advanced controllers need to be developed. In this paper, a distributed, two-level,communication-economic control scheme is presented for multiple-bus microgrids with each bus having multiple distributed generators ( DGs ) connected in parallel. The control objective of the upper level is to calculate the voltage references for one-bus subsystems. The objectives of the lower control level are to make the subsystems ʼ bus voltages track the voltage references and to enhance load current sharing accuracy among the local DGs. Firstly, a distributed consensus-based power sharing algorithm is introduced to determine the power generations of the subsystems. Secondly, a discrete-time droop equation is used to adjust subsystem frequencies for voltage reference calculations. Finally, a Lyapunov-based decentralized control algorithm is designed for bus voltage regulation and proportional load current sharing. Extensive simulation studies with microgrid models of different levels of detail are performed to demonstrate the merits of the proposed control scheme. |
| doi_str_mv | 10.1109/JAS.2019.1911477 |
| format | Article |
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To overcome the challenges of microgrid control, advanced controllers need to be developed. In this paper, a distributed, two-level,communication-economic control scheme is presented for multiple-bus microgrids with each bus having multiple distributed generators &#x0028 DGs &#x0029 connected in parallel. The control objective of the upper level is to calculate the voltage references for one-bus subsystems. The objectives of the lower control level are to make the subsystems &#x02BC bus voltages track the voltage references and to enhance load current sharing accuracy among the local DGs. Firstly, a distributed consensus-based power sharing algorithm is introduced to determine the power generations of the subsystems. Secondly, a discrete-time droop equation is used to adjust subsystem frequencies for voltage reference calculations. Finally, a Lyapunov-based decentralized control algorithm is designed for bus voltage regulation and proportional load current sharing. Extensive simulation studies with microgrid models of different levels of detail are performed to demonstrate the merits of the proposed control scheme.</description><identifier>ISSN: 2329-9266</identifier><identifier>EISSN: 2329-9274</identifier><identifier>DOI: 10.1109/JAS.2019.1911477</identifier><identifier>CODEN: IJASJC</identifier><language>eng</language><publisher>Piscataway: Chinese Association of Automation (CAA)</publisher><subject>Algorithms ; Computer simulation ; Control algorithms ; Control design ; Control systems ; Control theory ; Current sharing ; Data buses ; Decentralized control ; Distributed generation ; Electric potential ; Electric power distribution ; Electric power grids ; Generators ; Load modeling ; Mathematical model ; Microgrids ; Parallel connected ; Subsystems ; Voltage control</subject><ispartof>IEEE/CAA journal of automatica sinica, 2019-05, Vol.6 (3), p.676-684</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c326t-c01156f817d3c2209583e392e287d36deb2c3e1b0ec61058af2e96b5129762563</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/8707126$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,27924,27925,54758</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/8707126$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Fan, Bo</creatorcontrib><creatorcontrib>Peng, Jiangkai</creatorcontrib><creatorcontrib>Duan, Jiajun</creatorcontrib><creatorcontrib>Yang, Qinmin</creatorcontrib><creatorcontrib>Liu, Wenxin</creatorcontrib><title>Distributed control of multiple-bus microgrid with paralleled distributed generators</title><title>IEEE/CAA journal of automatica sinica</title><addtitle>JAS</addtitle><description>A microgrid is hard to control due to its reduced inertia and increased uncertainties. To overcome the challenges of microgrid control, advanced controllers need to be developed. In this paper, a distributed, two-level,communication-economic control scheme is presented for multiple-bus microgrids with each bus having multiple distributed generators &#x0028 DGs &#x0029 connected in parallel. The control objective of the upper level is to calculate the voltage references for one-bus subsystems. The objectives of the lower control level are to make the subsystems &#x02BC bus voltages track the voltage references and to enhance load current sharing accuracy among the local DGs. Firstly, a distributed consensus-based power sharing algorithm is introduced to determine the power generations of the subsystems. Secondly, a discrete-time droop equation is used to adjust subsystem frequencies for voltage reference calculations. Finally, a Lyapunov-based decentralized control algorithm is designed for bus voltage regulation and proportional load current sharing. Extensive simulation studies with microgrid models of different levels of detail are performed to demonstrate the merits of the proposed control scheme.</description><subject>Algorithms</subject><subject>Computer simulation</subject><subject>Control algorithms</subject><subject>Control design</subject><subject>Control systems</subject><subject>Control theory</subject><subject>Current sharing</subject><subject>Data buses</subject><subject>Decentralized control</subject><subject>Distributed generation</subject><subject>Electric potential</subject><subject>Electric power distribution</subject><subject>Electric power grids</subject><subject>Generators</subject><subject>Load modeling</subject><subject>Mathematical model</subject><subject>Microgrids</subject><subject>Parallel connected</subject><subject>Subsystems</subject><subject>Voltage control</subject><issn>2329-9266</issn><issn>2329-9274</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpNkE1LAzEQhoMoWGrvgpcFz1tnJt1kcyz1m4IH6znsx2xN2XZrkkX8926pFHOZMLzPDPMIcY0wRQRz9zp_nxKgmaJBnGl9JkYkyaSG9Oz89FfqUkxC2AAAUqaVmY3E6t6F6F3ZR66TqttF37VJ1yTbvo1u33Ja9iHZusp3a-_q5NvFz2Rf-KJtuR2I-h-95h37InY-XImLpmgDT_7qWHw8PqwWz-ny7ellMV-mlSQV0woQM9XkqGtZEYHJcsnSEFM-dFTNJVWSsQSuFEKWFw2xUWWGZLSiTMmxuD3O3fvuq-cQ7abr_W5YaenwQIPJhxQcU8MRIXhu7N67beF_LII96LODPnvQZ__0DcjNEXHMfIrnGjSSkr_8bWtS</recordid><startdate>20190501</startdate><enddate>20190501</enddate><creator>Fan, Bo</creator><creator>Peng, Jiangkai</creator><creator>Duan, Jiajun</creator><creator>Yang, Qinmin</creator><creator>Liu, Wenxin</creator><general>Chinese Association of Automation (CAA)</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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To overcome the challenges of microgrid control, advanced controllers need to be developed. In this paper, a distributed, two-level,communication-economic control scheme is presented for multiple-bus microgrids with each bus having multiple distributed generators &#x0028 DGs &#x0029 connected in parallel. The control objective of the upper level is to calculate the voltage references for one-bus subsystems. The objectives of the lower control level are to make the subsystems &#x02BC bus voltages track the voltage references and to enhance load current sharing accuracy among the local DGs. Firstly, a distributed consensus-based power sharing algorithm is introduced to determine the power generations of the subsystems. Secondly, a discrete-time droop equation is used to adjust subsystem frequencies for voltage reference calculations. Finally, a Lyapunov-based decentralized control algorithm is designed for bus voltage regulation and proportional load current sharing. Extensive simulation studies with microgrid models of different levels of detail are performed to demonstrate the merits of the proposed control scheme.</abstract><cop>Piscataway</cop><pub>Chinese Association of Automation (CAA)</pub><doi>10.1109/JAS.2019.1911477</doi><tpages>9</tpages></addata></record> |
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| subjects | Algorithms Computer simulation Control algorithms Control design Control systems Control theory Current sharing Data buses Decentralized control Distributed generation Electric potential Electric power distribution Electric power grids Generators Load modeling Mathematical model Microgrids Parallel connected Subsystems Voltage control |
| title | Distributed control of multiple-bus microgrid with paralleled distributed generators |
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