A Compound Repetitive Control Strategy of H14 Three-level Inverter for Bearing Current Suppression in Wind Power System

Jie Li; Yanbo Wang

doi:10.1109/ECCE-Asia49820.2021.9479102

A Compound Repetitive Control Strategy of H14 Three-level Inverter for Bearing Current Suppression in Wind Power System

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

Abstract

In this paper, H14 three-level inverter is proposed to reduce the bearing current in doubly-fed induction wind generator system (DFIG). The topology of H14 three-level inverter is presented and analysed under different switching patterns, and the corresponding CMV under each operation states is investigated. The control method of H14 inverter is presented by following a feasible minimal CMV output within the switching patterns. Furthermore, the compound controller is designed for the control system of the generator-side converter, which consists of the traditional PI control and the repetitive control. The repetitive controller based on the bandwidth coefficient (BRC) is used in the inner loop control and the traditional PI controller is used in the outer loop control. Through the stability analysis, the compensation term of BRC is determined. The simulation results fully verify that under the compound control, the H14 topology can effectively
suppress the bearing current of the DFIG, and the harmonic characteristics of the DFIG maintains well.

Original language	English
Title of host publication	2021 IEEE 12th Energy Conversion Congress & Exposition - Asia (ECCE-Asia)
Number of pages	6
Publisher	IEEE
Publication date	2021
Pages	343-348
Article number	9479102
ISBN (Print)	978-1-7281-6345-1
ISBN (Electronic)	978-1-7281-6344-4
DOIs	https://doi.org/10.1109/ECCE-Asia49820.2021.9479102
Publication status	Published - 2021
Event	2021 IEEE 12th Energy Conversion Congress & Exposition - Asia (ECCE-Asia) - , Singapore Duration: 24 May 2021 → 27 May 2021

Conference

Conference	2021 IEEE 12th Energy Conversion Congress & Exposition - Asia (ECCE-Asia)
Country/Territory	Singapore
Period	24/05/2021 → 27/05/2021

Series	International Conference on Power Electronics
ISSN	2150-6078

Keywords

DFIG
Bearing current
Common mode voltage
H14
Repetitive control

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10.1109/ECCE-Asia49820.2021.9479102

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Cite this

@inproceedings{8dffdceb6b3e4ce3aaf8603ff5959576,

title = "A Compound Repetitive Control Strategy of H14 Three-level Inverter for Bearing Current Suppression in Wind Power System",

abstract = "In this paper, H14 three-level inverter is proposed to reduce the bearing current in doubly-fed induction wind generator system (DFIG). The topology of H14 three-level inverter is presented and analysed under different switching patterns, and the corresponding CMV under each operation states is investigated. The control method of H14 inverter is presented by following a feasible minimal CMV output within the switching patterns. Furthermore, the compound controller is designed for the control system of the generator-side converter, which consists of the traditional PI control and the repetitive control. The repetitive controller based on the bandwidth coefficient (BRC) is used in the inner loop control and the traditional PI controller is used in the outer loop control. Through the stability analysis, the compensation term of BRC is determined. The simulation results fully verify that under the compound control, the H14 topology can effectivelysuppress the bearing current of the DFIG, and the harmonic characteristics of the DFIG maintains well.",

keywords = "DFIG, Bearing current, Common mode voltage, H14, Repetitive control",

author = "Jie Li and Yanbo Wang",

year = "2021",

doi = "10.1109/ECCE-Asia49820.2021.9479102",

language = "English",

isbn = "978-1-7281-6345-1",

series = "International Conference on Power Electronics",

publisher = "IEEE",

pages = "343--348",

booktitle = "2021 IEEE 12th Energy Conversion Congress & Exposition - Asia (ECCE-Asia)",

address = "United States",

note = " 2021 IEEE 12th Energy Conversion Congress & Exposition - Asia (ECCE-Asia) ; Conference date: 24-05-2021 Through 27-05-2021",

}

Li, J & Wang, Y 2021, A Compound Repetitive Control Strategy of H14 Three-level Inverter for Bearing Current Suppression in Wind Power System. in 2021 IEEE 12th Energy Conversion Congress & Exposition - Asia (ECCE-Asia)., 9479102, IEEE, International Conference on Power Electronics, pp. 343-348, 2021 IEEE 12th Energy Conversion Congress & Exposition - Asia (ECCE-Asia), Singapore, 24/05/2021. https://doi.org/10.1109/ECCE-Asia49820.2021.9479102

A Compound Repetitive Control Strategy of H14 Three-level Inverter for Bearing Current Suppression in Wind Power System. / Li, Jie; Wang, Yanbo.
2021 IEEE 12th Energy Conversion Congress & Exposition - Asia (ECCE-Asia). IEEE, 2021. p. 343-348 9479102 (International Conference on Power Electronics).

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

TY - GEN

T1 - A Compound Repetitive Control Strategy of H14 Three-level Inverter for Bearing Current Suppression in Wind Power System

AU - Li, Jie

AU - Wang, Yanbo

PY - 2021

Y1 - 2021

N2 - In this paper, H14 three-level inverter is proposed to reduce the bearing current in doubly-fed induction wind generator system (DFIG). The topology of H14 three-level inverter is presented and analysed under different switching patterns, and the corresponding CMV under each operation states is investigated. The control method of H14 inverter is presented by following a feasible minimal CMV output within the switching patterns. Furthermore, the compound controller is designed for the control system of the generator-side converter, which consists of the traditional PI control and the repetitive control. The repetitive controller based on the bandwidth coefficient (BRC) is used in the inner loop control and the traditional PI controller is used in the outer loop control. Through the stability analysis, the compensation term of BRC is determined. The simulation results fully verify that under the compound control, the H14 topology can effectivelysuppress the bearing current of the DFIG, and the harmonic characteristics of the DFIG maintains well.

AB - In this paper, H14 three-level inverter is proposed to reduce the bearing current in doubly-fed induction wind generator system (DFIG). The topology of H14 three-level inverter is presented and analysed under different switching patterns, and the corresponding CMV under each operation states is investigated. The control method of H14 inverter is presented by following a feasible minimal CMV output within the switching patterns. Furthermore, the compound controller is designed for the control system of the generator-side converter, which consists of the traditional PI control and the repetitive control. The repetitive controller based on the bandwidth coefficient (BRC) is used in the inner loop control and the traditional PI controller is used in the outer loop control. Through the stability analysis, the compensation term of BRC is determined. The simulation results fully verify that under the compound control, the H14 topology can effectivelysuppress the bearing current of the DFIG, and the harmonic characteristics of the DFIG maintains well.

KW - DFIG

KW - Bearing current

KW - Common mode voltage

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KW - Repetitive control

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U2 - 10.1109/ECCE-Asia49820.2021.9479102

DO - 10.1109/ECCE-Asia49820.2021.9479102

M3 - Article in proceeding

SN - 978-1-7281-6345-1

T3 - International Conference on Power Electronics

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BT - 2021 IEEE 12th Energy Conversion Congress & Exposition - Asia (ECCE-Asia)

PB - IEEE

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Y2 - 24 May 2021 through 27 May 2021

ER -

A Compound Repetitive Control Strategy of H14 Three-level Inverter for Bearing Current Suppression in Wind Power System

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