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Operating envelopes of the Malta-Sicily 245 KV-50 HZ cable

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2 Author(s)
Lauria, S. ; Univ. of Rome “Sapienza”, Rome, Italy ; Palone, F.

The Malta-Sicily 245 kV-50 Hz interconnector will be the longest HVAC cable in the world, delivering up to 225 MW over a single 3-core cable. Reactive power support to the Maltese network is also possible, using a variable, asymmetric shunt compensation scheme. The paper presents the final structure of the link and main design data. The procedure for obtaining operating envelopes and capabilities of the inhomogeneous cable line in the (Q,P) plane, are presented. Results show that the degree of freedom introduced by variable shunt compensation allows to extend significantly the capability in terms of reactive power support. Lastly, losses are calculated for the entire operating envelope, showing the overall transmission efficiency to be above 96% at full load.

Published in:

Energy Conference and Exhibition (ENERGYCON), 2012 IEEE International

Date of Conference:

9-12 Sept. 2012