Modelling Distribution Systems with Renewable Generation under Abnormal Conditions

Dear Colleagues,

The need for saving energy and reducing environmental impact as well as the increased demand of reliable electric supply push for the widespread dissemination of renewable generation connected to distribution networks. However, the presence of renewable generation significantly modifies the behavior of distribution systems, which, although traditionally designed under the assumption of passive networks, have become active distribution systems. Then, new technical issues must be addressed, involving both normal and abnormal operating conditions.

Normal operating conditions are the circumstances required for the proper operation of a component, circuit, device, piece of equipment, or system. They are the most frequent conditions in which power systems operate.

Abnormal conditions occur when measurable quantities, such as voltage, current and active/reactive powers go outside assigned safe ranges. Common causes of abnormal conditions are overloads, external and internal overvoltages, short and open circuits, undesired islanding, and the presence of static converters.

Several contributions and dedicated journal issues have recently appeared about the modeling and assessment of active distribution systems. However, few of them address abnormal operating conditions: This is the reason for this Special Issue.

Original and unpublished contributions discussing modeling and assessment of active distribution systems under abnormal conditions are invited. Proposals can concern the behavior of single components (photovoltaic power plant, wind farms, linear and non-linear loads, etc.), as well as of whole distribution systems. Review papers will also be considered for publication. Papers on research projects involving cooperation among researchers from academia, industries, and government will also be welcome to foster interactions among stakeholders.

Prof. Dr. Guido Carpinelli
Dr. Anna Rita Di Fazio
Guest Editor

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