An alternative current-error based control for VSC integration to weak grid

Kamyab Givaki, Dong Chen, Lie Xu, Yan Xu

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Abstract

An enhanced current control strategy is proposed for voltage source converters for the integration to weak grids. The control derives from the current-error based vector control. By imple menting simple close-loop compensations of both angle and magnitude inputs to the pulse width modulation, the damping of vector control in the weak grid can be significantly improved hence able to deliver full rated power to very weak grid. Due to the presence of the current loop, the fault-ride-through capability can be maintained with no need for mode switching. A comprehensive frequency domain model is employed to analyze the stability. Time domain simulations are further carried out to validate its effectiveness and robustness of integrating to the weak grid with fault-ride-through capability.
LanguageEnglish
Title of host publication2018 IEEE Power & Energy Society General Meeting (PESGM)
Place of PublicationPiscataway, NJ
PublisherIEEE
Number of pages5
DOIs
Publication statusPublished - 24 Dec 2018
EventIEEE PES General Meeting 2018: Re-Imaging the Electric Grid - Portland, United States
Duration: 5 Aug 20189 Aug 2018
http://www.pes-gm.org/2018/

Conference

ConferenceIEEE PES General Meeting 2018
CountryUnited States
CityPortland
Period5/08/189/08/18
Internet address

Fingerprint

Electric current control
Pulse width modulation
Damping
Electric potential
Compensation and Redress

Keywords

  • current control
  • stability
  • fault-ride-through
  • voltage source converter
  • weak grid

Cite this

Givaki, K., Chen, D., Xu, L., & Xu, Y. (2018). An alternative current-error based control for VSC integration to weak grid. In 2018 IEEE Power & Energy Society General Meeting (PESGM) Piscataway, NJ: IEEE. https://doi.org/10.1109/PESGM.2018.8586145
Givaki, Kamyab ; Chen, Dong ; Xu, Lie ; Xu, Yan. / An alternative current-error based control for VSC integration to weak grid. 2018 IEEE Power & Energy Society General Meeting (PESGM). Piscataway, NJ : IEEE, 2018.
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abstract = "An enhanced current control strategy is proposed for voltage source converters for the integration to weak grids. The control derives from the current-error based vector control. By imple menting simple close-loop compensations of both angle and magnitude inputs to the pulse width modulation, the damping of vector control in the weak grid can be significantly improved hence able to deliver full rated power to very weak grid. Due to the presence of the current loop, the fault-ride-through capability can be maintained with no need for mode switching. A comprehensive frequency domain model is employed to analyze the stability. Time domain simulations are further carried out to validate its effectiveness and robustness of integrating to the weak grid with fault-ride-through capability.",
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Givaki, K, Chen, D, Xu, L & Xu, Y 2018, An alternative current-error based control for VSC integration to weak grid. in 2018 IEEE Power & Energy Society General Meeting (PESGM). IEEE, Piscataway, NJ, IEEE PES General Meeting 2018, Portland, United States, 5/08/18. https://doi.org/10.1109/PESGM.2018.8586145

An alternative current-error based control for VSC integration to weak grid. / Givaki, Kamyab; Chen, Dong; Xu, Lie; Xu, Yan.

2018 IEEE Power & Energy Society General Meeting (PESGM). Piscataway, NJ : IEEE, 2018.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

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N1 - © 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

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N2 - An enhanced current control strategy is proposed for voltage source converters for the integration to weak grids. The control derives from the current-error based vector control. By imple menting simple close-loop compensations of both angle and magnitude inputs to the pulse width modulation, the damping of vector control in the weak grid can be significantly improved hence able to deliver full rated power to very weak grid. Due to the presence of the current loop, the fault-ride-through capability can be maintained with no need for mode switching. A comprehensive frequency domain model is employed to analyze the stability. Time domain simulations are further carried out to validate its effectiveness and robustness of integrating to the weak grid with fault-ride-through capability.

AB - An enhanced current control strategy is proposed for voltage source converters for the integration to weak grids. The control derives from the current-error based vector control. By imple menting simple close-loop compensations of both angle and magnitude inputs to the pulse width modulation, the damping of vector control in the weak grid can be significantly improved hence able to deliver full rated power to very weak grid. Due to the presence of the current loop, the fault-ride-through capability can be maintained with no need for mode switching. A comprehensive frequency domain model is employed to analyze the stability. Time domain simulations are further carried out to validate its effectiveness and robustness of integrating to the weak grid with fault-ride-through capability.

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Givaki K, Chen D, Xu L, Xu Y. An alternative current-error based control for VSC integration to weak grid. In 2018 IEEE Power & Energy Society General Meeting (PESGM). Piscataway, NJ: IEEE. 2018 https://doi.org/10.1109/PESGM.2018.8586145