Resilient Operation of Distribution Grids with Distributed-Hierarchical Architecture

Drayer, Elisabeth

kassel university press, ISBN: 978-3-7376-0592-2, 2018, 197 Seiten
(Energy Management and Power System Operation 6)

URN: urn:nbn:de:0002-405935

DOI: 10.19211/KUP9783737605939

Zugl.: Kassel, Univ., Diss. 2018

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Inhalt: This thesis is about the design and the implementation of a resilient grid operation for the distribution grid. This research question is induced by the advancing of three trends: Decarbonisation, decentralisation and digitalisation. These three trends transform the hitherto passive distribution grid into an active system that contains an active operation. The term “resilience” describes capabilities of the system to absorb, to adapt, and to recover from faults and disturbances. This concept is realised on the one hand with the choice of the operation architecture, on the other hand for the choice of possible methods and functions.

This thesis develops a distributed-hierarchical operation architecture. For this architecture several methods have been developed that optimally benefit from the operation architecture and that allow the fully automated operation of the distribution grid. For that purpose a heuristic optimisation has been developed to solve problems like voltage profile violations and congestions. Another important method, especially with regard to resilience, is the self-healing capability to resupply clients after permanent faults.

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