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Including Uncertain...
Including Uncertainties from Customer Connections in Calculating Low-Voltage Harmonic Impedance
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- Busatto, Tatiano (author)
- Luleå tekniska universitet,Energivetenskap
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- Larsson, Anders (author)
- Luleå tekniska universitet,Energivetenskap
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- Rönnberg, Sarah (author)
- Luleå tekniska universitet,Energivetenskap
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- Bollen, Math (author)
- Luleå tekniska universitet,Energivetenskap
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(creator_code:org_t)
- IEEE, 2019
- 2019
- English.
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In: IEEE Transactions on Power Delivery. - : IEEE. - 0885-8977 .- 1937-4208. ; 34:2, s. 606-615
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- A method is proposed in this paper to determine the harmonic impedances in low-voltage networks in a stochastic way. The consequences of resonances for harmonic propagation and stability of power converters are summarized. By using Monte Carlo simulation, the method includes the uncertainties in customer impedances, specifically due to electronic loads and local generation. The uncertainty in customer impedance is included by considering probability distribution for the resistive, inductive and capacitive parts of the impedance. The concept of transfer impedance is used for phase-to-neutral connections. A method is developed and applied to two existing low-voltage networks in Sweden. Results show that, for these two networks, the resonant frequencies decrease around 28 % once PV panels are installed. The paper includes a discussion of some of the practical aspects of applying the proposed method.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering (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
- Power Quality
- power system harmonics
- resonance
- stochastic processes
- Monte Carlo methods
- Electric Power Engineering
- Elkraftteknik
Publication and Content Type
- ref (subject category)
- art (subject category)
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