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Evaluating Constant...
Evaluating Constant DC-Link Operation of Wave Energy Converter
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- Ekström, Rickard (författare)
- Uppsala universitet,Elektricitetslära
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- Kurupath, Venugopalan (författare)
- Uppsala universitet,Elektricitetslära
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- Boström, Cecilia (författare)
- Uppsala universitet,Elektricitetslära
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- Waters, Rafael (författare)
- Uppsala universitet,Elektricitetslära
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- Leijon, Mats (författare)
- Uppsala universitet,Elektricitetslära
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(creator_code:org_t)
- 2013-08-30
- 2014
- Engelska.
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Ingår i: Journal of Dynamic Systems Measurement, and Control. - : ASME International. - 0022-0434 .- 1528-9028. ; 136:1, s. 014501-
- 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
- A wave energy converter (WEC) based on a linear generator and a point-absorbing buoy has been developed at Uppsala University. Interconnecting an array of WECs in parallel requires a point of common coupling, such as a common dc-bus. The dc voltage level seen by the generator is directly linked to the electromagnetic damping of the generator. A lower dc-level results in a higher damping factor and is important for increased absorption of the wave power. The drawback is increased losses in generator windings and cable resistance. There will be an optimal dc-level for maximum power output. This is a function of not only generator and buoy characteristics, but the current sea state. Experimental results of the full-scale system have been carried out, and used as validation of a simulation model of the system. The model is then used to evaluate how the dc-level seen by the generator influence the power output. The results indicate that higher dc-levels should be used at higher sea states, and power output may vary by up to a factor five depending on which dc-level is chosen.
Nyckelord
- Teknisk fysik med inriktning mot elektricitetslära
- Engineering Science with specialization in Science of Electricity
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- art (ämneskategori)
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