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Influence of Ambien...
Influence of Ambient Temperature on Transformer Overloading During Cold Load Pickup
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- Edström, Fredrik (författare)
- KTH,Elektriska energisystem
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- Rosenlind, Johanna (författare)
- KTH,Elektroteknisk teori och konstruktion
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- Alvehag, Karin (författare)
- KTH,Elektriska energisystem
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- Hilber, Patrik (författare)
- KTH,Elektroteknisk teori och konstruktion
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- Söder, Lennart (författare)
- KTH,Elektriska energisystem
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(creator_code:org_t)
- 2013
- 2013
- Engelska.
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Ingår i: IEEE Transactions on Power Delivery. - 0885-8977 .- 1937-4208. ; 28:1, s. 153-161
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- This paper proposes a method to investigate the socioeconomical aspects of transformer overloading during a cold load pickup (CLPU) in residential areas. The method uses customer damage functions to estimate the cost for their power interruption and a deterioration model to estimate the cost for transformer wear due to the CLPU. A thermodynamic model is implemented to estimate the peak and the duration of cold residential load. A stochastic differential equation is used to capture the volatility of the load and to estimate the probability for transformer overloading. In a numerical example, an optimal cold load pickup for a two-area system is demonstrated where transformer overloading is allowed. In this example, an ambient temperature threshold is identified, where transformer overloading is socioeconomically beneficial.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Nyckelord
- Cold load pickup (CLPU)
- restoration
- transformer aging
- transformer loading
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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