Voltage control for a wind power plant based on the available reactive current of a DFIG and its impacts on the point of interconnection

Usman, Yasir; Kim, Jinho; Muljadi, Eduard; Kang, Yong Cheol

doi:10.5370/KIEE.2016.65.1.23

Title: Voltage control for a wind power plant based on the available reactive current of a DFIG and its impacts on the point of interconnection

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Abstract

Wake effects cause wind turbine generators (WTGs) within a wind power plant (WPP) to produce different levels of active power and subsequent reactive power capabilities. Further, the impedance between a WTG and the point of interconnection (POI)-which depends on the distance between them-impacts the WPP's reactive power injection capability at the POI. This paper proposes a voltage control scheme for a WPP based on the available reactive current of the doubly-fed induction generators (DFIGs) and its impacts on the POI to improve the reactive power injection capability of the WPP. In this paper, a design strategy for modifying the gain of DFIG controller is suggested and the comprehensive properties of these control gains are investigated. In the proposed scheme, the WPP controller, which operates in a voltage control mode, sends the command signal to the DFIGs based on the voltage difference at the POI. The DFIG controllers, which operate in a voltage control mode, employ a proportional controller with a limiter. The gain of the proportional controller is adjusted depending on the available reactive current of the DFIG and the series impedance between the DFIG and the POI. The performance of the proposed scheme is validated for various disturbances suchmore »« less

Authors:

Usman, Yasir ^[1]; Kim, Jinho ^[1]; Muljadi, Eduard ^[2]; Kang, Yong Cheol ^[1]

Chonbuk National Univ., Jeonju (Korea, Republic of)
National Renewable Energy Lab. (NREL), Golden, CO (United States)

Publication Date:: Fri Jan 01 00:00:00 EST 2016

Research Org.:: National Renewable Energy Lab. (NREL), Golden, CO (United States)

Sponsoring Org.:: National Research Foundation of Korea (NRF)

OSTI Identifier:: 1244208

Report Number(s):: NREL/JA-5D00-66198
Journal ID: ISSN 1975-8359

Grant/Contract Number:: AC36-08GO28308

Resource Type:: Accepted Manuscript

Journal Name:: Transactions of The Korean Institute of Electrical Engineers

Additional Journal Information:: Journal Volume: 65; Journal Issue: 1; Journal ID: ISSN 1975-8359

Publisher:: Korean Institute of Electrical Engineers

Country of Publication:: United States

Language:: English

Subject:: 17 WIND ENERGY; 24 POWER TRANSMISSION AND DISTRIBUTION; doubly-fed induction generator; voltage control; wind power plant; wake effect; available reactive current; point of interconnection

Citation Formats


                    Usman, Yasir, Kim, Jinho, Muljadi, Eduard, and Kang, Yong Cheol. Voltage control for a wind power plant based on the available reactive current of a DFIG and its impacts on the point of interconnection.  United States: N. p., 2016. 
Web.  doi:10.5370/KIEE.2016.65.1.23.

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                    Usman, Yasir, Kim, Jinho, Muljadi, Eduard, & Kang, Yong Cheol. Voltage control for a wind power plant based on the available reactive current of a DFIG and its impacts on the point of interconnection.  United States.  https://doi.org/10.5370/KIEE.2016.65.1.23

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                    Usman, Yasir, Kim, Jinho, Muljadi, Eduard, and Kang, Yong Cheol. Fri .  
"Voltage control for a wind power plant based on the available reactive current of a DFIG and its impacts on the point of interconnection".  United States.  https://doi.org/10.5370/KIEE.2016.65.1.23.  https://www.osti.gov/servlets/purl/1244208.

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@article{osti_1244208,

  title        = {Voltage control for a wind power plant based on the available reactive current of a DFIG and its impacts on the point of interconnection},

  author       = {Usman, Yasir and Kim, Jinho and Muljadi, Eduard and Kang, Yong Cheol},

  abstractNote = {Wake effects cause wind turbine generators (WTGs) within a wind power plant (WPP) to produce different levels of active power and subsequent reactive power capabilities. Further, the impedance between a WTG and the point of interconnection (POI)-which depends on the distance between them-impacts the WPP's reactive power injection capability at the POI. This paper proposes a voltage control scheme for a WPP based on the available reactive current of the doubly-fed induction generators (DFIGs) and its impacts on the POI to improve the reactive power injection capability of the WPP. In this paper, a design strategy for modifying the gain of DFIG controller is suggested and the comprehensive properties of these control gains are investigated. In the proposed scheme, the WPP controller, which operates in a voltage control mode, sends the command signal to the DFIGs based on the voltage difference at the POI. The DFIG controllers, which operate in a voltage control mode, employ a proportional controller with a limiter. The gain of the proportional controller is adjusted depending on the available reactive current of the DFIG and the series impedance between the DFIG and the POI. The performance of the proposed scheme is validated for various disturbances such as a reactive load connection and grid fault using an EMTP-RV simulator. Furthermore, simulation results demonstrate that the proposed scheme promptly recovers the POI voltage by injecting more reactive power after a disturbance than the conventional scheme.},

  doi          = {10.5370/KIEE.2016.65.1.23},

  journal      = {Transactions of The Korean Institute of Electrical Engineers},

  number       = 1,

  volume       = 65,

  place        = {United States},

  year         = {Fri Jan 01 00:00:00 EST 2016},

  month        = {Fri Jan 01 00:00:00 EST 2016}

}

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