Field excitation scheme using a machine-side 4-leg converter in mw-range WRSG wind turbine systems

Yongsug Suh; Thomas A. Lipo

doi:10.1109/ECCE.2017.8096598

Field excitation scheme using a machine-side 4-leg converter in mw-range WRSG wind turbine systems

Yongsug Suh
, Thomas A. Lipo

Department of Electrical Engineering

University of Wisconsin-Madison

Research output: Contribution to conference › Conference paper › peer-review

3 Scopus citations

Abstract

This paper proposes a novel field excitation scheme employing 4-leg converter in Machine-side Converter (MSC) of Wound Rotor Synchronous Generator (WRSG) wind turbines. The conventional thyristor rectifier and brush/slip-ring contact for supplying the field excitation is replaced by the rotating transformer and diode rectifier in the field winding side. 4th-leg power converter of MSC provides ac voltage of medium frequency to the primary side of rotating transformer in order to reduce the size of rotating transformer. This paper also proposes a control and switching modulation scheme to regulate the field current by varying the amplitude of ac voltage at 4th-leg power converter. Generation of ac voltage of 960 Hz and the regulation of field flux has been verified through the simulation. The proposed field excitation scheme can reduce the physical size and maintenance cost of WRSG wind turbines.

Original language	English
Title of host publication	2017 IEEE Energy Conversion Congress and Exposition, ECCE 2017
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	3316-3323
Number of pages	8
ISBN (Electronic)	9781509029983
DOIs	https://doi.org/10.1109/ECCE.2017.8096598
State	Published - 2017.11.3
Event	9th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2017 - Cincinnati, United States Duration: 2017.10.1 → 2017.10.5

Publication series

Name	2017 IEEE Energy Conversion Congress and Exposition, ECCE 2017
Volume	2017-January

Conference

Conference	9th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2017
Country/Territory	United States
City	Cincinnati
Period	17.10.1 → 17.10.5

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy

Keywords

4-leg Converter
Field Excitation
Rotating Transformer
Wind Turbine
Wound Rotor Synchronous Generator

Quacquarelli Symonds(QS) Subject Topics

Mathematics
Engineering - Electrical & Electronic
Engineering - Petroleum

Access to Document

10.1109/ECCE.2017.8096598

Cite this

Suh, Y., & Lipo, T. A. (2017). Field excitation scheme using a machine-side 4-leg converter in mw-range WRSG wind turbine systems. In 2017 IEEE Energy Conversion Congress and Exposition, ECCE 2017 (pp. 3316-3323). Article 8096598 (2017 IEEE Energy Conversion Congress and Exposition, ECCE 2017; Vol. 2017-January). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ECCE.2017.8096598

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title = "Field excitation scheme using a machine-side 4-leg converter in mw-range WRSG wind turbine systems",

abstract = "This paper proposes a novel field excitation scheme employing 4-leg converter in Machine-side Converter (MSC) of Wound Rotor Synchronous Generator (WRSG) wind turbines. The conventional thyristor rectifier and brush/slip-ring contact for supplying the field excitation is replaced by the rotating transformer and diode rectifier in the field winding side. 4th-leg power converter of MSC provides ac voltage of medium frequency to the primary side of rotating transformer in order to reduce the size of rotating transformer. This paper also proposes a control and switching modulation scheme to regulate the field current by varying the amplitude of ac voltage at 4th-leg power converter. Generation of ac voltage of 960 Hz and the regulation of field flux has been verified through the simulation. The proposed field excitation scheme can reduce the physical size and maintenance cost of WRSG wind turbines.",

keywords = "4-leg Converter, Field Excitation, Rotating Transformer, Wind Turbine, Wound Rotor Synchronous Generator",

author = "Yongsug Suh and Lipo, \{Thomas A.\}",

note = "Publisher Copyright: {\textcopyright} 2017 IEEE.; 9th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2017 ; Conference date: 01-10-2017 Through 05-10-2017",

year = "2017",

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doi = "10.1109/ECCE.2017.8096598",

language = "English",

series = "2017 IEEE Energy Conversion Congress and Exposition, ECCE 2017",

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Suh, Y & Lipo, TA 2017, Field excitation scheme using a machine-side 4-leg converter in mw-range WRSG wind turbine systems. in 2017 IEEE Energy Conversion Congress and Exposition, ECCE 2017., 8096598, 2017 IEEE Energy Conversion Congress and Exposition, ECCE 2017, vol. 2017-January, Institute of Electrical and Electronics Engineers Inc., pp. 3316-3323, 9th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2017, Cincinnati, United States, 17.10.1. https://doi.org/10.1109/ECCE.2017.8096598

Field excitation scheme using a machine-side 4-leg converter in mw-range WRSG wind turbine systems. / Suh, Yongsug; Lipo, Thomas A.
2017 IEEE Energy Conversion Congress and Exposition, ECCE 2017. Institute of Electrical and Electronics Engineers Inc., 2017. p. 3316-3323 8096598 (2017 IEEE Energy Conversion Congress and Exposition, ECCE 2017; Vol. 2017-January).

Research output: Contribution to conference › Conference paper › peer-review

TY - GEN

T1 - Field excitation scheme using a machine-side 4-leg converter in mw-range WRSG wind turbine systems

AU - Suh, Yongsug

AU - Lipo, Thomas A.

PY - 2017/11/3

Y1 - 2017/11/3

N2 - This paper proposes a novel field excitation scheme employing 4-leg converter in Machine-side Converter (MSC) of Wound Rotor Synchronous Generator (WRSG) wind turbines. The conventional thyristor rectifier and brush/slip-ring contact for supplying the field excitation is replaced by the rotating transformer and diode rectifier in the field winding side. 4th-leg power converter of MSC provides ac voltage of medium frequency to the primary side of rotating transformer in order to reduce the size of rotating transformer. This paper also proposes a control and switching modulation scheme to regulate the field current by varying the amplitude of ac voltage at 4th-leg power converter. Generation of ac voltage of 960 Hz and the regulation of field flux has been verified through the simulation. The proposed field excitation scheme can reduce the physical size and maintenance cost of WRSG wind turbines.

AB - This paper proposes a novel field excitation scheme employing 4-leg converter in Machine-side Converter (MSC) of Wound Rotor Synchronous Generator (WRSG) wind turbines. The conventional thyristor rectifier and brush/slip-ring contact for supplying the field excitation is replaced by the rotating transformer and diode rectifier in the field winding side. 4th-leg power converter of MSC provides ac voltage of medium frequency to the primary side of rotating transformer in order to reduce the size of rotating transformer. This paper also proposes a control and switching modulation scheme to regulate the field current by varying the amplitude of ac voltage at 4th-leg power converter. Generation of ac voltage of 960 Hz and the regulation of field flux has been verified through the simulation. The proposed field excitation scheme can reduce the physical size and maintenance cost of WRSG wind turbines.

KW - 4-leg Converter

KW - Field Excitation

KW - Rotating Transformer

KW - Wind Turbine

KW - Wound Rotor Synchronous Generator

UR - https://www.scopus.com/pages/publications/85041451137

U2 - 10.1109/ECCE.2017.8096598

DO - 10.1109/ECCE.2017.8096598

M3 - Conference paper

AN - SCOPUS:85041451137

T3 - 2017 IEEE Energy Conversion Congress and Exposition, ECCE 2017

SP - 3316

EP - 3323

BT - 2017 IEEE Energy Conversion Congress and Exposition, ECCE 2017

PB - Institute of Electrical and Electronics Engineers Inc.

T2 - 9th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2017

Y2 - 1 October 2017 through 5 October 2017

ER -

Field excitation scheme using a machine-side 4-leg converter in mw-range WRSG wind turbine systems

Abstract

Publication series

Conference

UN SDGs

Keywords

Quacquarelli Symonds(QS) Subject Topics

Access to Document

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