Conference Papers

Permanent URI for this collectionhttps://idr.nitk.ac.in/handle/123456789/28506

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Author: search.filters.author.Ansal, V.Subject: search.filters.subject.SRF theory

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    Realization of an arduino-mega based space vector modulation controller
    (IEEE Computer Society help@computer.org, 2016) Ansal, V.; Remya, V.K.; Antony, S.
    This paper discusses the programming and the use of Arduino Mega, an open hardware microcontroller board in generating the Space Vector Modulation (SVM) for three phase inverters. The design can be used for interfacing renewable energy sources such as solar cells and fuel cells to ac utility grid directly. The low cost and easily programmable Arduino makes the renewable energy power system more economical and simple. The architecture and functions of Arduino Mega is explained briefly. The output results are verified using the simulation carried out in MATLAB Simulink. © 2016 IEEE.
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    Transformerless Dynamic Voltage Restorer for voltage sag mitigation
    (Institute of Electrical and Electronics Engineers Inc., 2016) Ansal, V.; Ravikumar, K.; Parthiban, P.
    Dynamic Voltage Restorers are identified to be cost effective solution for protecting sensitive loads from voltage related power quality issues. The extension of cost reduction and efficiency can be improved by eliminating the injection transformer. This paper discusses a transformer-less dynamic voltage restorer based on three-single phase Voltage Source Inverters(VSI). Since the DVR does not have an injection transformer, it has lower loss, lower cost and it is less bulky. The DVR control is implemented using Synchronous Reference Frame(SRF)theory. Estimation of the reference load voltage is carried out using unit vectors. The simulation results carried out in MATLAB shows the effectiveness of the DVR in compensating the voltage sag. © 2016 IEEE.