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Grid integration an...
Grid integration and a power quality assessment of a wave-energy park
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- Parwal, Arvind (author)
- Uppsala universitet,Elektricitetslära
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- Fregelius, Martin (author)
- Uppsala universitet,Elektricitetslära
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- Leijon, Jennifer (author)
- Uppsala universitet,Elektricitetslära
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- Chatzigiannakou, Maria A. (author)
- Uppsala universitet,Elektricitetslära
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- Svensson, Olle, 1967- (author)
- Uppsala universitet,Elektricitetslära
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- Strömstedt, Erland, 1972- (author)
- Uppsala universitet,Elektricitetslära
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- Temiz, Irina, 1981- (author)
- Uppsala universitet,Elektricitetslära
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- Oliveira, Janaína Goncalves de, 1983- (author)
- Uppsala universitet,Elektricitetslära
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- Boström, Cecilia (author)
- Uppsala universitet,Elektricitetslära
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- Leijon, Mats, 1958 (author)
- Uppsala universitet,Elektricitetslära
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(creator_code:org_t)
- 2019-08-14
- 2019
- English.
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In: IET Smart Grid. - UK : Institution of Engineering and Technology (IET). - 2515-2947. ; 2:4, s. 625-634
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Abstract
Subject headings
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- This study presents a step toward the grid connection of a wave-energy park through an electric power conversion system (EPCS) developed and installed for the wave-energy harvesting in Lysekil, Sweden. The EPCS comprises a rectifier, a DC bus, and an inverter followed by a harmonic filter (HF). The higher- and lower-order harmonics injected by the inverter in a power quality context are investigated. The lower-order voltage harmonics partially distort the voltage-source inverter output grid current. A phase-locked loop-based (PLL) grid-phase tracking is used to attenuate the lower-order harmonics by reflecting the grid harmonics in the inverter output. An expression for the grid-current harmonics as a function of the grid-voltage harmonics has been derived and implemented. A mathematical model is derived to obtain a transfer function for the PLL, and finally, proportional–integral gains are tuned for stable system operation. An HF for mitigating the higher-order harmonics has been implemented. The total harmonic distortion is evaluated experimentally, and the results fulfil the grid-code requirements at various frequencies and harmonic orders.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Annan teknik -- Övrig annan teknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Other Engineering and Technologies -- Other Engineering and Technologies not elsewhere specified (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Annan elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Other Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Keyword
- Heaving
- Wave energy
- Aircraft launching devices
- Engineering Science with specialization in Science of Electricity
Publication and Content Type
- art (subject category)
- ref (subject category)
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Parwal, Arvind
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Fregelius, Marti ...
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Leijon, Jennifer
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Chatzigiannakou, ...
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Svensson, Olle, ...
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Strömstedt, Erla ...
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Temiz, Irina, 19 ...
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Oliveira, Janaín ...
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Boström, Cecilia
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Leijon, Mats, 19 ...
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- About the subject
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Other Engineerin ...
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Electrical Engin ...
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and Other Electrical ...
- Articles in the publication
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IET Smart Grid
- By the university
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Chalmers University of Technology
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Uppsala University