Publikationen - Netze für Erneuerbare Energien

Silvan Rummeny, Eberhard Waffenschmidt, Frank Guenther, Felix Klenner, Paul R. Stankat,
"Emergency island operation of a medium-voltage utility grid with a large battery",
CIRED 2020 Berlin Workshop Online, 22.-23.Sep. 2020

We suggest renewable powered subsystems, which are able to balance demand and supply within their local grid and, as an emergency backup option, can run in an island operation. The utility of Versorgungsbetriebe Bordesholm (VBB) put a Battery Energy Storage System (BESS) into operation to control the voltage and frequency of their micro grid system. The BESS of 15 MWh and 12.5 MW was realized by RES Deutschland GmbH (RES). In normal grid-tied operation, the BESS is pre-qualified for the frequency containment reserve (FCR) market. Only for the case of emergency, the battery is also be able to take over grid forming functions to operate VBB as an island grid. This publication shows details on the system and an real islanding experiment.

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