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Dynamic equivalent model of Distribution Network Cell using Prony analysis and Nonlinear least square optimization

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2 Author(s)
Zali, S.M. ; Electr. & Electron. Eng., Univ. of Manchester, Manchester, UK ; Milanović, J.V.

The paper presents initial results in development of dynamic equivalent model of Distributed Network Cell (DNC) comprising various types of loads and distributed energy resources. The method used for development of the model is based on Prony analysis and Nonlinear least square optimization. The dynamic equivalent model is developed in MATLAB based on simulated measurement data of DNC. The model is given in the form of an equivalent second order transfer function that can be used in dynamic stability studies. The model estimation procedure is evaluated on a case study and the initial simulation results show very good performance of the proposed dynamic equivalent model.

Published in:

PowerTech, 2009 IEEE Bucharest

Date of Conference:

June 28 2009-July 2 2009