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ADVANCED TOPICS IN ELECTRICAL ENGINEERING – ATEE 2017

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A New Method to Evaluate the Stability of a Droop Controlled Micro Grid

The increasing interest in Microgrids (MGs) leads to the research of more efficient control methods and claims for new methods to assess the obtained working points stability. As the majority of renewable sources are connected to the MG by means of power electronic converters, it is often impossible to replicate some of the concepts, tools and control philosophies commonly used in traditional networks. One of the more frequent control methods in literature is the droop philosophy, whose stability issues have been deeply investigated. In order to evaluate the stability of a droop controlled MG, the present paper presents a new method, whose main advantage is the reduction of the computational effort that reflects in benefits for PLC and control hardware implementation. Simulation tests for validating the suggested technique are provided highlighting its good performances.

Author(s):

Alessandro LABELLA    
Genoa University
Italy

Daniele MESTRINER    
Genoa University
Italy

Renato PROCOPIO    
Genoa University
Italy

Massimo BRIGNONE    
Genoa University
Italy

 

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