Dynamic thermal rating application to facilitate wind energy integration

Dynamic thermal rating application to facilitate wind energy integration,10.1109/PTC.2011.6019215,A. K. Kazerooni,J. Mutale,M. Perry,S. Venkatesan,D.

Dynamic thermal rating application to facilitate wind energy integration  
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The depletion of fossil fuel resources as well as commitments to lower the global emission of green house gases are driving many countries to make substantial investments in renewable energy resources, especially wind energy. In this regard, the United Kingdom has launched many off-shore and on-shore wind power projects which are planned to supply around 15% of energy demand by 2020. The network expansion required to accommodate this level of wind power is prohibitively expensive and time-consuming. Instead, some "Smart Grid" ideas can be used to enhance the utilization of network assets so that the transmission network expansion can be deferred or even avoided. Among these ideas, dynamic thermal rating is being investigated by National Grid for possible implementation in the Humber Estuary region where a high penetration of wind power is scheduled. In this paper, a probabilistic approach is introduced to answer two questions: i) which transmission lines in Humber Estuary need to be considered in dynamic thermal rating scheme and ii) how much benefit can be achieved by online monitoring of network thermal ratings? To answer these questions, probabilistic models for seasonal off-shore wind power as well as seasonal dynamic thermal ratings of overhead lines are developed, taking into account past meteorological data. n order to meet the Kyoto protocol commitments, the contribution of renewable energy to the future generation mix will need to rise considerably above current levels. The European Commission has proposed an ambitious target that 20% of total energy consumption should be supplied by renewable energy sources by 2020. The United Kingdom (UK) has set a target of 15%, which is lower than the average commitment made by other European countries. Nonetheless, even with 15% integration of renewable energies, the UK has the largest growth in deploying renewable energies, as currently just around 2% of the UK's total energy consumption is supplied by renewable resources. Among all green energy resources, wind energy seems the most promising, as it can potentially fulfil the UK's commitments by 2020. In the "Gone Green" scenario, which is the roadmap for the UK's future
Published in 2011.
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