DC distribution is becoming more and more a suitable technical solution for medium voltage (MV) distribution systems especially in presence of storage devices and renewable energy sources. Among the different challenging issues concerning the new topological configurations of DC systems, stability represents a topic of paramount importance. The paper presents, by means of numerical continuation method, the stability analysis of two DC distribution systems which supply constant power loads (CPLs) connected to the AC grid with an interface converter. CPLs behavior may provoke voltage instability of the DC systems. The paper presents the approach used to maximize, by means of a feedback action on the interface converter, the stable region of operation of the DC distribution systems.

Stability Enhancement in DC Distribution Systems with Constant Power Controlled Converters

SULLIGOI, GIORGIO;
2012-01-01

Abstract

DC distribution is becoming more and more a suitable technical solution for medium voltage (MV) distribution systems especially in presence of storage devices and renewable energy sources. Among the different challenging issues concerning the new topological configurations of DC systems, stability represents a topic of paramount importance. The paper presents, by means of numerical continuation method, the stability analysis of two DC distribution systems which supply constant power loads (CPLs) connected to the AC grid with an interface converter. CPLs behavior may provoke voltage instability of the DC systems. The paper presents the approach used to maximize, by means of a feedback action on the interface converter, the stable region of operation of the DC distribution systems.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11368/2632974
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