Modelling of Low Power Electronic Loads in Harmonic Analysis

Low power electronic loads are one of the main sources of harmonic currents in distributive electrical networks. In this paper a model of typical low power electronic load is presented and its applicability to calculations of current harmonics is demonstrated. The real power diode is modelled by usi...

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Bibliographic Details
Main Authors: Tokic, Amir, Jukan, Admir, Suljkanovic, Vedran
Format: Conference Proceeding
Language:English
Subjects:
electronic load
harmonics
power diode model
stiff system
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Summary:Low power electronic loads are one of the main sources of harmonic currents in distributive electrical networks. In this paper a model of typical low power electronic load is presented and its applicability to calculations of current harmonics is demonstrated. The real power diode is modelled by using corresponding nonlinear resistor. The eigenvalue analysis of differential equation systems, that describe load behaviour, has revealed a very stiff nature. The obtained equation systems are solved by using an A- and L-stable BDF numerical method. The simulation results are verified by comparison with the available experimental results. The suggested electronic load model can be efficiently used in harmonic studies and its implementation in the EMTP or SIMULINK programs are recommended.
ISSN:2405-8963
2405-8963
DOI:10.1016/j.ifacol.2015.05.132