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Thevenin's equivalent of photovoltaic source models for MPPT and power grid studies

2011 IEEE Power and Energy Society General Meeting, 2011
The model of a photovoltaic (PV) source is needed for Maximum Power Point Tracking (MPPT) and power grid studies. The single diode model can fairly emulate PV's characteristic. The only nonlinear element in this model is the single diode. This paper proposes Thevenin's equivalent model for a PV source by piecewise linearization of the diode ...
A. Chatterjee, A. Keyhani
openaire   +1 more source

Modeling of voltage source converters in microgrids using equivalent thevenin circuit

2018 9th Annual Power Electronics, Drives Systems and Technologies Conference (PEDSTC), 2018
In this paper, a new modelling approach based on the equivalent Thevenin circuit is proposed for voltage source converters in islanded microgrids. The proposed method approximate the entire network connected to the voltage source converter with an equivalent Thevenin circuit. The equivalent circuit is first considered with a non-dynamic impedance. This
Mobin Naderi   +3 more
openaire   +1 more source

Research on an Online Identification Algorithm for a Thevenin Battery Model by an Experimental Approach

International Journal of Green Energy, 2014
To improve the estimation accuracy of battery’s inner state for battery management system, an online parameters identification algorithm for Thevenin battery model is researched. The Thevenin model and parameters identification algorithm based on recursive least square adaptive filter algorithm was built with the Simulink/xPC Target.
Rui Xiong, Hongwen He, Kai Zhao
openaire   +1 more source

A linearized small-signal Thévenin-equivalent model of a voltage-controlled modular multilevel converter

, 2020
This paper presents a linearized Thevenin-equivalent circuit for a grid-forming Modular Multilevel Converter (MMC) under double closed-loop control, comprehending an outer voltage control-loop together with an inner current control-loop. Both the AC-side
Cleiton M. Freitas   +2 more
semanticscholar   +1 more source

Detailed Modelling Procedure for Lithium-ion Battery Using Thevenin Equivalent

2019 IEEE International Conference on Electrical, Computer and Communication Technologies (ICECCT), 2019
This paper presents a comprehensive procedure for modelling of Lithium-ion batteries. The proposed modelling procedure adopts Thevenin equivalent circuit of both first and second orders in order to incorporate the dynamic characteristics of Li-ion batteries.
Lokesh Gurjer   +2 more
openaire   +1 more source

Thevenin black box model to characterize conducted electromagnetic interference of DC/AC converters for aerospace applications

International Conference on Embedded and Multimedia Computing
This article focuses on behavioral modelling of power systems, specifically DC/AC converters to evaluate electromagnetic (EM) interferences as conducted emissions current, at both inputs and outputs. A linear equivalent model of the converter is proposed
Noan Artaud   +4 more
semanticscholar   +1 more source

Modelling and Analysis of a Variable Step Size Thevenin Method to Enhance the Performance of PV System

2020 IEEE International Symposium on Sustainable Energy, Signal Processing and Cyber Security (iSSSC), 2020
Tracking the maximum power point is decisive in procuring the best performance out of a Photo Voltaic system. Conventionally, PV panels are demonstrated as non-linear elements owing to their non-linear characteristics. Various MPPT methods have been thought of and are developed to maximize the developed power.
J. Upendar   +4 more
openaire   +1 more source

Extended Thevenin models for transient analysis of non-uniform dispersive lossy multiconductor transmission lines

[Proceedings] 1992 IEEE International Symposium on Circuits and Systems, 2003
The authors present a new time-varying equivalent circuit model for transient analysis of uniform and nonuniform multiconductor transmission lines with arbitrary linear and nonlinear loads. Calculated or measured scattering parameter data are used to characterize the interconnection structures.
Dhaene, T., de Zutter, D.
openaire   +2 more sources

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