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Title: Flexible $$I_{Q}\!\!-\!\!V$$ Scheme of a DFIG for Rapid Voltage Regulation of a Wind Power Plant

Abstract

This paper proposes a flexible reactive current-to-voltage (I Q-V) scheme of a doubly-fed induction generator (DFIG) for the rapid voltage regulation of a wind power plant (WPP). In the proposed scheme, the WPP controller dispatches different voltage set points to the DFIGs depending on their rotor voltage margins. The DFIGs inject different reactive power with the flexible I Q-V schemes implemented in the rotor-side and grid-side converters. The I Q-V characteristic, which consists of the gain and width of a linear band and I Q capability, varies with time depending on the I Q capability of the converters and a voltage dip at the point of interconnection (POI). To increase the I Q capability during a fault, the active current is reduced in proportion to a voltage dip. If the I Q capability and/or the POI voltage dip are large, the I Q-V gain is set to be high, thereby providing rapid voltage regulation. To avoid an overvoltage after the fault clearance, a rapid I Q reduction scheme is implemented in the WPP and DFIG controllers. The performance of the proposed flexible scheme was verified under scenarios with various disturbances. In conclusion, the proposed scheme can help increase wind powermore » penetration without jeopardizing voltage stability.« less

Authors:
ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [3];  [1]
  1. Chonbuk National Univ., Jeonju (South Korea)
  2. National Renewable Energy Lab. (NREL), Golden, CO (United States)
  3. Yonsei Univ., Seoul (South Korea)
Publication Date:
Research Org.:
National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE)
OSTI Identifier:
1395102
Report Number(s):
NREL/JA-5D00-67391
Journal ID: ISSN 0278-0046
Grant/Contract Number:  
AC36-08GO28308
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
IEEE Translations on Industrial Electronics
Additional Journal Information:
Journal Volume: 64; Journal Issue: 11; Journal ID: ISSN 0278-0046
Publisher:
IEEE
Country of Publication:
United States
Language:
English
Subject:
17 WIND ENERGY; 24 POWER TRANSMISSION AND DISTRIBUTION; doubly-fed induction generator; DFIG; wind power plant; WPP; voltage control; voltage regulation

Citation Formats

Kim, Jinho, Muljadi, Eduard, Park, Jung -Wook, and Kang, Yong Cheol. Flexible $I_{Q}\!\!-\!\!V$ Scheme of a DFIG for Rapid Voltage Regulation of a Wind Power Plant. United States: N. p., 2017. Web. doi:10.1109/TIE.2017.2694408.
Kim, Jinho, Muljadi, Eduard, Park, Jung -Wook, & Kang, Yong Cheol. Flexible $I_{Q}\!\!-\!\!V$ Scheme of a DFIG for Rapid Voltage Regulation of a Wind Power Plant. United States. doi:10.1109/TIE.2017.2694408.
Kim, Jinho, Muljadi, Eduard, Park, Jung -Wook, and Kang, Yong Cheol. Fri . "Flexible $I_{Q}\!\!-\!\!V$ Scheme of a DFIG for Rapid Voltage Regulation of a Wind Power Plant". United States. doi:10.1109/TIE.2017.2694408. https://www.osti.gov/servlets/purl/1395102.
@article{osti_1395102,
title = {Flexible $I_{Q}\!\!-\!\!V$ Scheme of a DFIG for Rapid Voltage Regulation of a Wind Power Plant},
author = {Kim, Jinho and Muljadi, Eduard and Park, Jung -Wook and Kang, Yong Cheol},
abstractNote = {This paper proposes a flexible reactive current-to-voltage (IQ-V) scheme of a doubly-fed induction generator (DFIG) for the rapid voltage regulation of a wind power plant (WPP). In the proposed scheme, the WPP controller dispatches different voltage set points to the DFIGs depending on their rotor voltage margins. The DFIGs inject different reactive power with the flexible IQ-V schemes implemented in the rotor-side and grid-side converters. The IQ-V characteristic, which consists of the gain and width of a linear band and IQ capability, varies with time depending on the IQ capability of the converters and a voltage dip at the point of interconnection (POI). To increase the IQ capability during a fault, the active current is reduced in proportion to a voltage dip. If the IQ capability and/or the POI voltage dip are large, the IQ-V gain is set to be high, thereby providing rapid voltage regulation. To avoid an overvoltage after the fault clearance, a rapid IQ reduction scheme is implemented in the WPP and DFIG controllers. The performance of the proposed flexible scheme was verified under scenarios with various disturbances. In conclusion, the proposed scheme can help increase wind power penetration without jeopardizing voltage stability.},
doi = {10.1109/TIE.2017.2694408},
journal = {IEEE Translations on Industrial Electronics},
number = 11,
volume = 64,
place = {United States},
year = {Fri Apr 28 00:00:00 EDT 2017},
month = {Fri Apr 28 00:00:00 EDT 2017}
}

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