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Analysis and design of the protection scheme for a LVDC Microgrid

Related tags

#Active networks #Electricity Network #Renewable Energy DC #Microgrids

Publications - Paper

Analysis and design of the protection scheme for a LVDC Microgrid

This paper discusses the analysis and design of a protection scheme for low-voltage DC microgrids. The proposed centralized scheme overcomes problems such as reduced tripping time, reduced cost, and selectivity in the case of inter-pole faults.

The increasing deployment of renewable energy sources and the need to manage energy flows to provide ancillary services to the main grid require an overhaul of the distribution network that can benefit from the adoption of DC distribution networks. However, there are many challenges in protecting such a grid, especially in the case of complex DC microgrids. Indeed, the traditional protection schemes used for the AC grid are not able to isolate faults and protect DC grid components. This paper addresses the analysis and design of the protection scheme for a low-voltage DC microgrid in the presence of several renewable source generators, energy storage systems, loads and interface converters with the AC grid. The proposed centralized protection scheme solves problems such as reduced tripping time, reduced cost, and selectivity in the case of inter-pole faults.

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Rif.RSE​

19005086

Destination​

ICCEP 2019, 7th International Conference on Clean Electrical Power, Otranto, July 2-4, 2019

Publication Date

04 July 2019

Authors​

R. Lazzari (RSE S.p.A.), L. Piegari (Politecnico di Milano)

Publication Type

Paper

Projects

Architecture and management models of the electrical system and grids (EvolveNet)

Related tags

#Active networks #Electricity Network #Renewable Energy DC #Microgrids

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