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Coordinate Control of PowerCurrent for Grid-Connected Inverter Based on PCI Controller under Unbalanced Grid Conditions
Joint Authors
Liu, Jun
Zhou, Feihang
Zhao, Chencong
Xie, Zhouhua
Source
Issue
Vol. 2019, Issue 2019 (31 Dec. 2019), pp.1-14, 14 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2019-07-11
Country of Publication
Egypt
No. of Pages
14
Main Subjects
Abstract EN
The oscillations on output power and distortion of the inverter currents will occur in the case of unbalanced grid voltage faults.
Constant output power and good current quality cannot be achieved simultaneously.
Aiming at these problems, a coordinate control strategy for suppressing power fluctuations and current harmonics is proposed by analyzing instantaneous power control and current balance control.
The proposed control is achieved by adjusting the weight coefficient of current reference values to change the current harmonic contents based on proportional complex integral (PCI) controller and proportional multiple complex integral (PMCI) controller.
The control strategy with a simple control structure neither needs to detect harmonic components of the inverter currents, nor needs to separate the positive and negative components of voltage and current, which is easy to be realized.
The feasibility and effectiveness of the proposed control are verified by the comparison and analysis of simulation.
American Psychological Association (APA)
Zhao, Chencong& Liu, Jun& Xie, Zhouhua& Zhou, Feihang. 2019. Coordinate Control of PowerCurrent for Grid-Connected Inverter Based on PCI Controller under Unbalanced Grid Conditions. Complexity،Vol. 2019, no. 2019, pp.1-14.
https://search.emarefa.net/detail/BIM-1132285
Modern Language Association (MLA)
Zhao, Chencong…[et al.]. Coordinate Control of PowerCurrent for Grid-Connected Inverter Based on PCI Controller under Unbalanced Grid Conditions. Complexity No. 2019 (2019), pp.1-14.
https://search.emarefa.net/detail/BIM-1132285
American Medical Association (AMA)
Zhao, Chencong& Liu, Jun& Xie, Zhouhua& Zhou, Feihang. Coordinate Control of PowerCurrent for Grid-Connected Inverter Based on PCI Controller under Unbalanced Grid Conditions. Complexity. 2019. Vol. 2019, no. 2019, pp.1-14.
https://search.emarefa.net/detail/BIM-1132285
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1132285