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Dynamic equivalents of distribution systems for voltage stability studies

Dynamic equivalents of distribution systems for voltage stability studies

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Dynamic equivalents of distribution systems, including the dynamics of electric loads and online tape changers, are needed in voltage stability studies. A method for a dynamic equivalent of a radical distribution system for voltage stability studies and an equivalent model are proposed. The procedure and detailed formulas for separate aggregation of dynamic loads and network with OLTCs are derived. Case studies show the accuracy of the equivalent model and the availability of the method.

Inspec keywords: distribution networks; equivalent circuits; power system dynamic stability; load (electric); power system analysis computing

Other keywords: electric loads; dynamic equivalent; case studies; voltage stability studies; equivalent model; OLTC; radial distribution system; computer simulation; on-load tap changers; dynamic equivalents

Subjects: Power system control; Distribution networks

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