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Operation and control of a hybrid AC-DC nanogrid for future community houses

Chandrasena, R.P.S., Shahnia, F.ORCID: 0000-0002-8434-0525, Ghosh, A. and Rajakaruna, S. (2014) Operation and control of a hybrid AC-DC nanogrid for future community houses. In: 24th Australasian Universities Power Engineering Conference (AUPEC) 2014, 28 Sept. - 1 Oct. 2014, Perth, W.A

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A hybrid AC-DC nanogrid (NG) can be considered as the power supply system for future community houses. In this paper, the operation and control of a NG are presented. The NG consists of an AC bus and a DC bus, interconnected through a tie-converter. Each bus may have several loads and micro sources. The NG should have an adequate generation capacity to supply its loads in off-grid mode as well as the capability of exchanging power with the utility grid. The tie-converter exchanges the power between two buses and regulates bus voltage in both buses in the case of off-grid operation. Several case studies are presented using PSCAD/EMTDC to verify the NG dynamics.

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