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Lee, Youngsil, Vakil, Gaurang, Feldman, Ralph, Watson, Alan James and Wheeler, Patrick (2016) A high-power DC-DC converter based dual active bridge for MVDC grids on offshore wind farms. In: 18th European Conference on Power Electronics and Applications, 5-9 September 2016, Karlsruhe, Germany. (Submitted)

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Abstract

This paper presents the steady-state analysis of a high power step-up DC-DC converter based three-phase dual active bridge (3DAB) for use as a medium voltage (MV) DC-DC collector of offshore wind farms. An optimization procedure for a high-power medium frequency transformer is explained and moreover, a design of an optimal control phase shift angle is explained and verified through simulation. The comparisons with two scenarios are presented: 4MW converters for power conversion from low dc voltage (LVDC) of the wind turbine output terminal to 40kV MVDC grid of offshore wind farms. The proposed 3DAB DC-DC converter is investigated for the given scenarios in terms of losses of the semi-conductors and the magnetic part as well as the quantity of semi-conductors.

Item Type:	Conference or Workshop Item (Paper)
RIS ID:	https://nottingham-repository.worktribe.com/output/774464
Keywords:	Dual Active Bridge, high-power dc-dc converter, offshore wind farms, MVDC Grids, power loss
Schools/Departments:	University of Nottingham, UK > Faculty of Engineering > Department of Electrical and Electronic Engineering
Related URLs:	URL URL Type http://www.epe2016.com/ UNSPECIFIED
Depositing User:	Burns, Rebecca
Date Deposited:	17 Jun 2016 11:24
Last Modified:	04 May 2020 17:34
URI:	https://eprints.nottingham.ac.uk/id/eprint/34160

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