Qualification: 
M.E
Email: 
s_kirthika@blr.amrita.edu

V. S. Kirthika Devi was born in 1980 in Salem. She has obtained B.E. (Electrical and Electronics) and M.E. (Applied Electronics) degrees in 2001 and 2004 respectively from Kongu Engineering College under Bharathiyar Universty, Tamil Nadu, India and K.S.R Institution of Technology under Anna university, Tamil Nadu, India. She has been working in the teaching field for about 11 years. Currently, she is working as Assistant Professor in the Department of Electrical & Electronics Engineering, Amrita School of Engineering, Bengaluru. She is a life member of Indian Society for Technical Education [ISTE] and member of IEEE. She has published 3 technical research papers in national and international conferences. 

QUALIFICATION

YEAR DEGREE UNIVERSITY
Pursuing Ph.D Visvesvaraya Technological University
2004 M.E - Applied Electronics K.S.R Institute of technology, Anna University.
2001 B.E - EEE Kongu Engineering College, Perundurai, Bharathiyar University

Publications

Publication Type: Conference Paper

Year of Publication Publication Type Title

2016

Conference Paper

V. S. Kirthika Devi and Srivani, S. Gb, “Performance assessment of PV energy conversion system with Buck-Boost and Cuk converter for cascaded H-Bridge inverter”, in 2016 - Biennial International Conference on Power and Energy Systems: Towards Sustainable Energy, PESTSE 2016, 2016.[Abstract]


The main aim of the paper describes the analysis, modeling and design of a direct control method using incremental Conductance algorithm along with the constant voltage tracking method for a PV system. In this paper the comparative analysis is also done between Cuk and Buck-Boost converter. The PV integration is done with the multistring cascaded multilevel H-Bridge inverter along with hybrid PWM control at the inverter side for a 3KW output power. The main goal of this paper is to integrate PV system with inverter to a grid with better efficiency and lesser total harmonic distortion (THD) by mainly considering the improvement towards the power quality. The simulation results for this proposed work is achieved using MATLAB.

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2015

Conference Paper

V. S. Kirthika Devi, Patrao, R. Henron, Sreekanth, P. S., Ramole, G., and Sreekumar, A., “Implementation of Staircase Modulation on a Five Level Cascaded H-Bridge Multilevel Inverter and Interfacing with Photovoltaic Modules”, in Power and Advanced Control Engineering (ICPACE), 2015 International Conference on, 2015.[Abstract]


In this paper, design and implementation of staircase modulation technique on an existing topology of single phase five level Cascaded H-Bridge multilevel inverter using reduced number of switches is done. The existing Cascaded H-Bridge multilevel inverter has two sources and five switches thus reducing the total harmonic distortion and electromagnetic interference. The two sources being DC are replaced by Photovoltaic

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2014

Conference Paper

R. Prem, Manmadhan, S., and V. S. Kirthika Devi, “Wireless control of DC-DC converter”, in 2014 Power and Energy Systems Conference: Towards Sustainable Energy, PESTSE 2014, Bangalore, 2014.[Abstract]


This paper aims at the analysis and design of a new DC-DC multi output boost (MOB) converter using which the output can be shared between different loads. Several single output power supplies can be replaced by this configuration. The duty ratio of the three pulses is varied accordingly to the key pressed in the keypad. The pulses are wirelessly transmitted and its range is found to be depended on antenna height. This paper deals with the family of single inductor multi output DC-DC converter. The drawback of conventional transformer based multi output DC-DC converters such as high cost and large volume is avoided using a single inductor boost type dual output DC-DC converter using wireless control. © 2014 IEEE.

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Publication Type: Journal Article

Year of Publication Publication Type Title

2015

Journal Article

V. S. Kirthika Devi and Iyengar, S. G. Srivani, “A new PWM technique for symmetric and asymmetric seven level multilevel inverter topology with reduced number of DC sources”, International Journal of Applied Engineering Research, vol. 10, pp. 22299-22311, 2015.[Abstract]


The Multilevel inverters are the predominating one among the emerging trends in the field of power electronics. This can be applied in many applications especially on the power quality. The topology that has been proposed in this paper presents a seven level H-Bridge inverter with a new PWM control strategies for both symmetric and asymmetric and their comparison is shown. The proposed inverter topology has two sets of units. One is cascaded H bridge section which has three sub multilevel inverters which are connected serially with H bridge multilevel inverter section. It produces the desired stepped output waveform from three DC sources. This paper mainly focuses on the Total harmonic distortion, efficiency improvement of the multilevel inverter and quality of output voltage waveform. This topology has been implemented with only seven switches to obtain seven level. Fundamental switching scheme and New PWM technique is implemented to reduce the total harmonic distortion (THD). The proposed topology is suitable for N number of levels. The proposed performance of the PWM strategy in terms of output voltage and THD is shown using MATLAP/Simulink © Research India Publications.

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2015

Journal Article

T. Susan and V. S. Kirthika Devi, “LLC Resonant inverter based Induction Heating Application using Asymmetrical voltage cancellation technique”, International Journal on Advanced Electrical and Computer Engineering (IJAECE), vol. 2, no. 1, 2015.

2015

Journal Article

V. S. Kirthika Devi and Iyengar, D. S. G. S., “Modeling of a High Performance Photovoltaic system using MPPT Algorithm for seven level Asymmetric H-Bridge Inverter”, ,International Journal of Applied Engineering Research(IJAER), vol. 10, 2015.

2014

Journal Article

D. Madathil, K. Ilango, Nair, M. G., and V. S. Kirthika Devi, “Voltage Flicker Mitigation in Electric Arc Furnace using D-STATCOM”, International Journal of Power Electronics and Drive Systems (IJPEDS), vol. 5, pp. 211–218, 2014.[Abstract]


The major power quality issue of voltage flicker has resulted as a serious concern for the customers and heavy power companies. Voltage flicker is an impression of unsteadiness of visual sensation induced by a light source whose luminance fluctuates with time. This phenomenon is experienced when an Electric Arc Furnace (EAF) as load is connected to the power system. Flexible AC transmission devices (FACTS) devices were gradually utilized for voltage flicker reduction. In this paper the FACTS device of Distribution Static Synchronous Compensator (D-STATCOM) is used to serve the purpose of mitigating voltage flickering caused by electric arc furnace load, which is efficiently controlled by Icosɸ control algorithm. The model of electric arc furnace is considered as a current source controlled by a non linear resistance, which had been simulated and performance was analyzed using MATLAB/SIMULINK Software.

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Publication Type: Conference Proceedings

Year of Publication Publication Type Title

2015

Conference Proceedings

V. S. Kirthika Devi and Srivani, S. G., “A Novel PWM Technique For Seven Level Multilevel H-Bridge Inverter Topology”, 6th International Conference On Electrical Electronics Communication Robotics And Instrumentation Engineering (Iceecie 2015). 2015.

207
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AMRITA
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