A framework to analyze the stochastic harmonics and resonance of wind energy grid interconnection

Cho, Youngho; Lee, Choongman; Hur, Kyeon; Kang, Yong Cheol; Muljadi, Eduard; Park, Sang -Ho; Choy, Young -Do; Yoon, Gi -Gab

doi:10.3390/en9090700

Title: A framework to analyze the stochastic harmonics and resonance of wind energy grid interconnection

Abstract

This study addresses a modeling and analysis methodology for investigating the stochastic harmonics and resonance concerns of wind power plants (WPPs). Wideband harmonics from modern wind turbines are observed to be stochastic, associated with real power production, and they may adversely interact with the grid impedance and cause unexpected harmonic resonance if not comprehensively addressed in the planning and commissioning of the WPPs. These issues should become more critical as wind penetration levels increase. We thus propose a planning study framework comprising the following functional steps: First, the best-fitted probability density functions (PDFs) of the harmonic components of interest in the frequency domain are determined. In operations planning, maximum likelihood estimations followed by a chi-square test are used once field measurements or manufacturers' data are available. Second, harmonic currents from the WPP are represented by randomly-generating harmonic components based on their PDFs (frequency spectrum) and then synthesized for time-domain simulations via inverse Fourier transform. Finally, we conduct a comprehensive assessment by including the impacts of feeder configurations, harmonic filters, and the variability of parameters. We demonstrate the efficacy of the proposed study approach for a 100-MW offshore WPP consisting of 20 units of 5-MW full-converter turbines, a realistic benchmark systemmore »« less

Authors:

Cho, Youngho ^[1]; Lee, Choongman ^[1];

^[1]; Kang, Yong Cheol ^[2]; Muljadi, Eduard ^[3]; Park, Sang -Ho ^[4]; Choy, Young -Do ^[4]; Yoon, Gi -Gab ^[4]

Yonsei Univ., Seoul (Korea)
Chonbuk National Univ., Jeonju (Korea)
National Renewable Energy Lab. (NREL), Golden, CO (United States)
Korea Electric Power Research Institute, Daejeon (Korea)

Publication Date:: Wed Aug 31 00:00:00 EDT 2016

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

Sponsoring Org.:: USDOE Office of Energy Efficiency and Renewable Energy (EERE)

OSTI Identifier:: 1327214

Report Number(s):: NREL/JA-5D00-67044
Journal ID: ISSN 1996-1073; ENERGA

Grant/Contract Number:: AC36-08GO28308

Resource Type:: Accepted Manuscript

Journal Name:: Energies (Basel)

Additional Journal Information:: Journal Name: Energies (Basel); Journal Volume: 9; Journal Issue: 9; Journal ID: ISSN 1996-1073

Publisher:: MDPI AG

Country of Publication:: United States

Language:: English

Subject:: 17 WIND ENERGY; 24 POWER TRANSMISSION AND DISTRIBUTION; wind power plant; WPP; harmonics; resonance; statistical modeling

Citation Formats


                    Cho, Youngho, Lee, Choongman, Hur, Kyeon, Kang, Yong Cheol, Muljadi, Eduard, Park, Sang -Ho, Choy, Young -Do, and Yoon, Gi -Gab. A framework to analyze the stochastic harmonics and resonance of wind energy grid interconnection.  United States: N. p., 2016. 
Web.  doi:10.3390/en9090700.

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                    Cho, Youngho, Lee, Choongman, Hur, Kyeon, Kang, Yong Cheol, Muljadi, Eduard, Park, Sang -Ho, Choy, Young -Do, & Yoon, Gi -Gab. A framework to analyze the stochastic harmonics and resonance of wind energy grid interconnection.  United States.  https://doi.org/10.3390/en9090700

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                    Cho, Youngho, Lee, Choongman, Hur, Kyeon, Kang, Yong Cheol, Muljadi, Eduard, Park, Sang -Ho, Choy, Young -Do, and Yoon, Gi -Gab. Wed .  
"A framework to analyze the stochastic harmonics and resonance of wind energy grid interconnection".  United States.  https://doi.org/10.3390/en9090700.  https://www.osti.gov/servlets/purl/1327214.

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@article{osti_1327214,

  title        = {A framework to analyze the stochastic harmonics and resonance of wind energy grid interconnection},

  author       = {Cho, Youngho and Lee, Choongman and Hur, Kyeon and Kang, Yong Cheol and Muljadi, Eduard and Park, Sang -Ho and Choy, Young -Do and Yoon, Gi -Gab},

  abstractNote = {This study addresses a modeling and analysis methodology for investigating the stochastic harmonics and resonance concerns of wind power plants (WPPs). Wideband harmonics from modern wind turbines are observed to be stochastic, associated with real power production, and they may adversely interact with the grid impedance and cause unexpected harmonic resonance if not comprehensively addressed in the planning and commissioning of the WPPs. These issues should become more critical as wind penetration levels increase. We thus propose a planning study framework comprising the following functional steps: First, the best-fitted probability density functions (PDFs) of the harmonic components of interest in the frequency domain are determined. In operations planning, maximum likelihood estimations followed by a chi-square test are used once field measurements or manufacturers' data are available. Second, harmonic currents from the WPP are represented by randomly-generating harmonic components based on their PDFs (frequency spectrum) and then synthesized for time-domain simulations via inverse Fourier transform. Finally, we conduct a comprehensive assessment by including the impacts of feeder configurations, harmonic filters, and the variability of parameters. We demonstrate the efficacy of the proposed study approach for a 100-MW offshore WPP consisting of 20 units of 5-MW full-converter turbines, a realistic benchmark system adapted from a WPP under development in Korea, and discuss lessons learned through this research.},

  doi          = {10.3390/en9090700},

  journal      = {Energies (Basel)},

  number       = 9,

  volume       = 9,

  place        = {United States},

  year         = {Wed Aug 31 00:00:00 EDT 2016},

  month        = {Wed Aug 31 00:00:00 EDT 2016}

}

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Works referenced in this record:

Practical Experiences and Mitigation Methods of Harmonics in Wind Power Plants
journal, September 2013

Badrzadeh, Babak; Gupta, Manoj
IEEE Transactions on Industry Applications, Vol. 49, Issue 5
DOI: 10.1109/TIA.2013.2260314

Tutorial on maximum likelihood estimation
journal, February 2003

Myung, In Jae
Journal of Mathematical Psychology, Vol. 47, Issue 1, p. 90-100
DOI: 10.1016/S0022-2496(02)00028-7

Statistical voltage quality assessment method for grids with wind power generation
journal, January 2010

Zhang, S.; Tseng, K. J.; Choi, S. S.
IET Renewable Power Generation, Vol. 4, Issue 1
DOI: 10.1049/iet-rpg.2008.0067

Time-varying harmonics. II. Harmonic summation and propagation
journal, January 2002

Baghzouz, Y.; Burch, R. F.; Capasso, A.
IEEE Transactions on Power Delivery, Vol. 17, Issue 1
DOI: 10.1109/61.974219

Harmonic Current Predictors for Wind Turbines
journal, March 2013

Teng, Jen-Hao; Leou, Rong-Ceng; Chang, Chuo-Yean
Energies, Vol. 6, Issue 3
DOI: 10.3390/en6031314

Harmonic Propagation and Interaction Evaluation between Small-Scale Wind Farms and Nonlinear Loads
journal, July 2013

Xie, Guang-Long; Zhang, Bu-Han; Li, Yan
Energies, Vol. 6, Issue 7
DOI: 10.3390/en6073297

Development of Stochastic Aggregate Harmonic Load Model Based on Field Measurements
journal, January 2007

Au, Mau Teng; Milanovic, Jovica V.
IEEE Transactions on Power Delivery, Vol. 22, Issue 1
DOI: 10.1109/TPWRD.2006.881455

A deterministic/stochastic framework for power system harmonics modeling
journal, January 1997

Cavallini, A.; Montanari, G. C.
IEEE Transactions on Power Systems, Vol. 12, Issue 1
DOI: 10.1109/59.575735

Time-varying harmonics. I. Characterizing measured data
journal, July 1998

Baghzouz, Y.; Burch, R. F.; Capasso, A.
IEEE Transactions on Power Delivery, Vol. 13, Issue 3
DOI: 10.1109/61.686996

Aggregation and Amplification of Wind-Turbine Harmonic Emission in a Wind Park
journal, April 2015

Yang, Kai; Bollen, Math H. J.; Larsson, E. O. Anders
IEEE Transactions on Power Delivery, Vol. 30, Issue 2
DOI: 10.1109/TPWRD.2014.2326692

Risk Assessment for Power System Operation Planning With High Wind Power Penetration
journal, May 2015

Negnevitsky, Michael; Nguyen, Dinh Hieu; Piekutowski, Marian
IEEE Transactions on Power Systems, Vol. 30, Issue 3
DOI: 10.1109/TPWRS.2014.2339358

Harmonic Analysis in a Power System with Wind Generation
journal, October 2006

Papathanassiou, S. A.; Papadopoulos, M. P.
IEEE Transactions on Power Delivery, Vol. 21, Issue 4
DOI: 10.1109/TPWRD.2005.864063

Measurements of harmonic emission versus active power from wind turbines
journal, March 2014

Yang, Kai; Bollen, Math H. J.; Larsson, E. O. Anders
Electric Power Systems Research, Vol. 108
DOI: 10.1016/j.epsr.2013.11.025

An Investigation of the Harmonic Emissions of Wind Turbines
journal, March 2007

Tentzerakis, Sokratis T.; Papathanassiou, Stavros A.
IEEE Transactions on Energy Conversion, Vol. 22, Issue 1
DOI: 10.1109/TEC.2006.889607

Deterministic and Stochastic Study of Wind Farm Harmonic Currents
journal, December 2010

Sainz, Luis; Mesas, Juan Jose; Teodorescu, Remus
IEEE Transactions on Energy Conversion, Vol. 25, Issue 4
DOI: 10.1109/TEC.2010.2045379

Works referencing / citing this record:

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Romero Quete, Andrés Arturo; Caicedo Navarro, Joaquín Eduardo; Zini, Humberto Cassiano
International Transactions on Electrical Energy Systems, Vol. 28, Issue 11
DOI: 10.1002/etep.2618

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Title: A framework to analyze the stochastic harmonics and resonance of wind energy grid interconnection

Abstract

Citation Formats

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Tutorial on maximum likelihood estimation journal, February 2003

Statistical voltage quality assessment method for grids with wind power generation journal, January 2010

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