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Assessing time-varying harmonic interactions in a wind park
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- Ravindran, Vineetha, 1987- (författare)
- Luleå tekniska universitet,Energivetenskap
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- Nakhodchi, Naser (författare)
- Luleå tekniska universitet,Energivetenskap
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- Rönnberg, Sarah (författare)
- Luleå tekniska universitet,Energivetenskap
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- (creator_code:org_t)
- IEEE, 2021
- 2021
- Engelska.
- Ingår i: IEEE Access. - : IEEE. - 2169-3536. ; 9, s. 68151-68160
- Tidskriftsartikel (refereegranskat)
Abstract
Ämnesord
Stäng
- The harmonic interaction mechanism in a wind park is examined in this paper. The paper investigates the feasibility of a solution to the yet challenging harmonic contribution estimation from multiple sources in a wind park with limited available information, via an extension of a simple modeling approach as well as from detailed analysis of field measurements. The paper has two distinct objectives in assessing harmonic interactions (a) one to extend the classical Norton equivalent model to a multi-measurement wind park system and to suggest potential areas for further model developments from field measurement analysis, and (b) second to draw inferences from field measurements and to develop a new independent concept of analysis from long-term field measurements in the wind park. From practical experience, a new concept of analysis with a ‘harmonic interaction break-even point’ is introduced. With the help of it, one could identify whether the primary emission (emission from considered source) or secondary emission (emission from a distant source) dominates in the analysis period. In this way, the highest responsibility between different interacting time-varying harmonic sources is evaluated. It was concluded that from long-term measurements one can define a magnitude of power production where a certain harmonic order is canceled or reaches its lowest magnitude. If one finds this cancellation point, one can define a level of secondary/primary emission or at least a feasible range. This knowledge is a step forward towards harmonic contribution analysis.
Ämnesord
- 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)
Nyckelord
- power quality
- wind power generation
- power system harmonics
- interharmonics
- Electric Power Engineering
- Elkraftteknik
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