Preprint Article Version 1 This version is not peer-reviewed

Power Control of Direct Interconnection Technique for Airborne Wind Energy Systems

Version 1 : Received: 15 October 2018 / Approved: 7 November 2018 / Online: 7 November 2018 (09:56:23 CET)

A peer-reviewed article of this Preprint also exists.

Ebrahimi Salari, M.; Coleman, J.; Toal, D. Power Control of Direct Interconnection Technique for Airborne Wind Energy Systems. Energies 2018, 11, 3134. Ebrahimi Salari, M.; Coleman, J.; Toal, D. Power Control of Direct Interconnection Technique for Airborne Wind Energy Systems. Energies 2018, 11, 3134.

Journal reference: Energies 2018, 11, 3134
DOI: 10.3390/en11113134

Abstract

In this paper, an offshore airborne wind energy (AWE) farm consisting of three non-reversing pumping mode AWE systems is modelled and simulated. The AWE systems employ permanent magnet synchronous generators (PMSG). A direct interconnection technique is developed and implemented for AWE systems. This method is a new approach invented for interconnecting offshore wind turbines with the least number of required offshore-based power electronic converters. The direct interconnection technique can be beneficial in improving the economy and reliability of marine airborne wind energy systems. The performance and interactions of the directly interconnected generators inside the energy farm internal power grid are investigated. The results of the study conducted in this paper, show the directly interconnected AWE systems can exhibit a poor load balance and significant reactive power exchange which must be addressed. Power control strategies for controlling the active and reactive power of the AWE farm are designed, implemented, and promising results are discussed in this paper.

Subject Areas

Airborne wind energy; Direct interconnection technique; Load sharing control; Active power; Reactive power exchange; Non-reversing pumping mode

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