Control of three-phase electric springs used in microgrids under ideal and non-ideal conditions

Qingsong Wang; Ming Cheng; Yunlei Jiang; Fujin Deng; Zhe Chen; Giuseppe Buja

doi:10.1109/IECON.2016.7793621

Control of three-phase electric springs used in microgrids under ideal and non-ideal conditions

Qingsong Wang, Ming Cheng, Yunlei Jiang, Fujin Deng, Zhe Chen, Giuseppe Buja

AAU Energy

Research output: Contribution to book/anthology/report/conference proceeding › Article in proceeding › Research › peer-review

12 Citations (Scopus)

Abstract

A control scheme is proposed for the three-phase electric springs (TPESs), based on the recently introduced δ control and an improved phase locked loop (PLL). The scheme utilizes three independent δ controls, one for each phase, to stabilize the voltages across the critical loads (CLs) while handing over imbalance and distortion of the microgrid voltages, in addition to their fluctuations, to the non-critical loads (NCLs). Instrumental in achieving this outcome is the operation of the improved PLL that separates the fundamental component of the positive sequence of the microgrid voltages from the other sequences and harmonics. The scheme is also able to stabilize the CL voltages under imbalance of CLs and NCLs. Simulation results obtained under various conditions of imbalance of the microgrid voltages and/or the loads, and of distortion of the microgrid voltages, taken individually and together, show the effectiveness of the proposed control scheme of TPESs.

Original language	English
Title of host publication	Proceedings of the IECON 2016 - 42nd Annual Conference of the Industrial Electronics Society
Number of pages	6
Publisher	IEEE Computer Society Press
Publication date	Oct 2016
Pages	2247-2252
Article number	7793621
ISBN (Electronic)	978-1-5090-3474-1
DOIs	https://doi.org/10.1109/IECON.2016.7793621
Publication status	Published - Oct 2016
Event	42nd Conference of the Industrial Electronics Society, IECON 2016: 42nd Annual Conference of the IEEE Industrial Electronics Society - Palazzo dei Congressi, Florence, Italy Duration: 24 Oct 2016 → 27 Oct 2016 http://www.iecon2016.org/?jjj=1471434927195 http://www.iecon2016.org/

Conference

Conference	42nd Conference of the Industrial Electronics Society, IECON 2016
Location	Palazzo dei Congressi
Country/Territory	Italy
City	Florence
Period	24/10/2016 → 27/10/2016
Sponsor	IEEE Industrial Electronics Society (IES), Institute of Electrical and Electronics Engineers (IEEE)
Internet address	http://www.iecon2016.org/?jjj=1471434927195 http://www.iecon2016.org/

Keywords

Distributed power system
Microgrids
Non-ideal grid conditions
Phase locked loop (PLL)
Renewable energy source
Three-phase electric springs (TPESs)

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title = "Control of three-phase electric springs used in microgrids under ideal and non-ideal conditions",

abstract = "A control scheme is proposed for the three-phase electric springs (TPESs), based on the recently introduced δ control and an improved phase locked loop (PLL). The scheme utilizes three independent δ controls, one for each phase, to stabilize the voltages across the critical loads (CLs) while handing over imbalance and distortion of the microgrid voltages, in addition to their fluctuations, to the non-critical loads (NCLs). Instrumental in achieving this outcome is the operation of the improved PLL that separates the fundamental component of the positive sequence of the microgrid voltages from the other sequences and harmonics. The scheme is also able to stabilize the CL voltages under imbalance of CLs and NCLs. Simulation results obtained under various conditions of imbalance of the microgrid voltages and/or the loads, and of distortion of the microgrid voltages, taken individually and together, show the effectiveness of the proposed control scheme of TPESs.",

keywords = "Distributed power system, Microgrids, Non-ideal grid conditions, Phase locked loop (PLL), Renewable energy source, Three-phase electric springs (TPESs)",

author = "Qingsong Wang and Ming Cheng and Yunlei Jiang and Fujin Deng and Zhe Chen and Giuseppe Buja",

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booktitle = "Proceedings of the IECON 2016 - 42nd Annual Conference of the Industrial Electronics Society",

publisher = "IEEE Computer Society Press",

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note = "42nd Conference of the Industrial Electronics Society, IECON 2016 : 42nd Annual Conference of the IEEE Industrial Electronics Society, IECON 2016 ; Conference date: 24-10-2016 Through 27-10-2016",

url = "http://www.iecon2016.org/?jjj=1471434927195, http://www.iecon2016.org/",

}

Wang, Q, Cheng, M, Jiang, Y, Deng, F, Chen, Z & Buja, G 2016, Control of three-phase electric springs used in microgrids under ideal and non-ideal conditions. in Proceedings of the IECON 2016 - 42nd Annual Conference of the Industrial Electronics Society., 7793621, IEEE Computer Society Press, pp. 2247-2252, 42nd Conference of the Industrial Electronics Society, IECON 2016, Florence, Italy, 24/10/2016. https://doi.org/10.1109/IECON.2016.7793621

Control of three-phase electric springs used in microgrids under ideal and non-ideal conditions. / Wang, Qingsong; Cheng, Ming; Jiang, Yunlei et al.
Proceedings of the IECON 2016 - 42nd Annual Conference of the Industrial Electronics Society. IEEE Computer Society Press, 2016. p. 2247-2252 7793621.

Research output: Contribution to book/anthology/report/conference proceeding › Article in proceeding › Research › peer-review

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AU - Chen, Zhe

AU - Buja, Giuseppe

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N2 - A control scheme is proposed for the three-phase electric springs (TPESs), based on the recently introduced δ control and an improved phase locked loop (PLL). The scheme utilizes three independent δ controls, one for each phase, to stabilize the voltages across the critical loads (CLs) while handing over imbalance and distortion of the microgrid voltages, in addition to their fluctuations, to the non-critical loads (NCLs). Instrumental in achieving this outcome is the operation of the improved PLL that separates the fundamental component of the positive sequence of the microgrid voltages from the other sequences and harmonics. The scheme is also able to stabilize the CL voltages under imbalance of CLs and NCLs. Simulation results obtained under various conditions of imbalance of the microgrid voltages and/or the loads, and of distortion of the microgrid voltages, taken individually and together, show the effectiveness of the proposed control scheme of TPESs.

AB - A control scheme is proposed for the three-phase electric springs (TPESs), based on the recently introduced δ control and an improved phase locked loop (PLL). The scheme utilizes three independent δ controls, one for each phase, to stabilize the voltages across the critical loads (CLs) while handing over imbalance and distortion of the microgrid voltages, in addition to their fluctuations, to the non-critical loads (NCLs). Instrumental in achieving this outcome is the operation of the improved PLL that separates the fundamental component of the positive sequence of the microgrid voltages from the other sequences and harmonics. The scheme is also able to stabilize the CL voltages under imbalance of CLs and NCLs. Simulation results obtained under various conditions of imbalance of the microgrid voltages and/or the loads, and of distortion of the microgrid voltages, taken individually and together, show the effectiveness of the proposed control scheme of TPESs.

KW - Distributed power system

KW - Microgrids

KW - Non-ideal grid conditions

KW - Phase locked loop (PLL)

KW - Renewable energy source

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ER -

Control of three-phase electric springs used in microgrids under ideal and non-ideal conditions

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Keywords

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