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In modern distributed energy systems (DES), there is a shift in focus from conventional centralized approach to more advanced distributed architecture. Modeling and analysis of these complex systems is more challenging, as multiple energy sources are connected with different loads through power electronics converters. Due to vastly different dynamic characteristics of these converters, it is necessary...
Accurate modeling and stability analysis plays a vital role in all Electrical Power Systems (EPS) specifications. Stability criteria as defined by Middlebrook, is based on impedances of the interacting systems at interface point (i.e. source output impedance and load input impedance). This led to an enormous research on the impedance extraction for ac and dc systems till date. Accurate impedance measurements...
This paper discusses the measurement of frequency response functions at the input and output terminals of a prototype dc-dc buck converter. The frequency domain identification procedure is applied to the measured frequency response functions. The set of these transfer functions is used for black-box modeling of dc-dc converter. Distributed power systems are comprised of numerous such converters in...
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