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Dr. Thanga Raj Chelliah
T. R. Chelliah Assistant Professor thangfwt[at] 91 1332 28 5554
Areas of Interest
  • Large Electric Drives and Power Electronics, Power Electronics Applications in Large Pumped Storage Plants
  • Marine Propulsion Systems, Energy Management in Electric Tugs
Honors and Awards
Cash award for the paper presented at UPCON2016 IIT-BHU2016
Full Travel grant award to attend the conference AEE'13, USADepartment of Science and Technology (DST), India2013
Best Paper Award for a research paper presented at AEE 2013, The Inn at Harvard (USA)International Conference on Applications of Electrical Engineering, USA2013
Best Paper Award for a research paper presented at ACCT'13, IndiaInt. Conf. on Advanced Computing & Communication Technologies2013
Cash Award for an Article "Combined Heat and Power Systems"Bureau of Energy Efficiency, (Ministry of Power) India)2007
Electrical Supervisor Competency CertificateTamil Nadu Electrical Licensing Board, Chennai1999
Travel grant award to attend the conference ICACC 2009, SingaporeDepartment of Science and Technology (DST), India2009
Educational Details
Ph.DControl of Industrial MotorsIndian Institute of Technology Roorkee2009
M. EngPower Electronics and DrivesGovernment College of Engg. Tirunelveli (Anna Univ., Chennai)2005
B. EngElectrical and ElectronicsCoimbatore Institute of Technology (Government Aided Institution)2002
Dip. EngElectrical and ElectronicsGovernment Polytechnic College Nagercoil1996
Administrative Background
20112017TreasurerIndian Water Resources Society
2016on goingO.C (Hydropower Simulation Lab.)IIT Roorkee
2012On GoingO.C (Electrical lab.)WRDM
2015on goingO.C (Building)IIT Roorkee
2011On GoingO.C (placements)WRDM
20122012Mentor of student projectsAll India Young Engineers' Humanitarian Challenge (Aiye-Hum) 2012
19981999Head - Electrical and Mechanical DivisionHaitima Textiles Limited, Coimbatore
2017on goingO.C (Website)IIT Roorkee
Sponsored Research Projects
TopicFunding AgencyYear
Control of variable speed pumped storage hydropower plants and energy balancingSponsored Research and Industrial Consultancy, Indian Institute of Technology Roorkee2011
Doubly-Fed Induction Machines under Grid DisturbancesTehri Hydropower Development Corp. Ltd.2014
Hydro Energy Storage: Robust Computing and Control Technologies for Enhanced Energy EfficiencyDepartment of Science and Technology, INDIA2013
Cost Verification of 3X42MW Hydropower ProjectsMegalaya Energy Corporation Ltd.2014
Doubly Fed Induction Machine as a Propulsion Motor in Tugboats to Improve Fuel EfficiencyMinistry of Shipping2016
Reduction of Switching Transients in Doubly Fed Induction Machines used in Large Pumped Storage PlanCPRI Banaglore2016
  • IEEE Industry Applications Society, Senior Member
  • IEEE Power and Energy Society, Senior Member
  • Indian Water Resources Society, Life Member
Teaching Engagements
TitleCourse CodeClass NameSemester
Hydro Generating EquipmentsWR-531M. TechAutumn
Synchronous and Asynchronous Generators Lab. WR 547M. TechAutumn
Electrical Design of Hydropower StationWR-538M.TechSpring
Power System Protection ApplicationsWR 534M. TechSpring
Renewable Energy System TechnologyWR 579M. TechSpring
Hydropower System PlanningWR-532M.TechAutumn
PHDs Supervised
TopicScholar NameStatus of PHDRegistration Year
Analysis of doubly-fed induction machine Operating at Motoring ModeNavneet KumarA2011
Performance Investigations of Induction Motor Drives under Sensor FaultsArun DominicA2011
Design and Development of Energy Conservation Strategies for Asynchronous Machine DrivesR. RajasinghA2012
Converter Design for Doubly-Fed Induction Machine for hydropower applicationsCarunai SelvaneO2014
Optimization of Micro-Grid OperationsB. Anil KumarO2014
Invertigation of Large Hydro Units subjected to Converter FaultsAnto JosephA2015
Variable speed hydropower generationR R SemwalO2015
HYdropower Generation under Varying Climatic ConditionsKarthik DO2016
Hydro-Electric SystemsS Raghu O2016
Investigation on Selected Energy Storage Systems for Indian Power GridRupesh KumariO2017
Cycloconverters fed large machine drivesJaved AliO2018
Visits to outside institutions
Institute VisitedPurpose of VisitDate
Central Electricity AuthorityR&D Conclave20,21-02-2
Niigata University, JapanLaboratory visit23-05-2018
University of SydneyLaboratory visit and discussion with the experts in Electric Drives11-06-2015
Massachusetts Institute of TechnologyDiscussion with Electric Vehicle Team31-01-2013
Harvard University (USA)Conference30-01-2013
Norwegian University of Science and Technology, Trondheim, NorwayLaboratory visit and a Discussion with the experts20-25, Sep
AGH University of Science and Technology, Krakow, PolandConference (CISIM 2010)08-10, Oct
University of LuxembourgResearch2010 - 201
The Hong Kong Poly. UniversityElectric machines and Power Electronics Laboratories visit and a discussion with the experts22-08-2012
University of Hong KongElectric machines and Electric Vehicle laboratories visit and a discussion with the experts24-08-2012
Central Power Research institute BangaloreMeeting with TC on Grid, Synchronization and Energy Conservation25-9-2015
Baba Banda Bahathur Singh Engineering College, PunjabExaminer (M. Tech Thesis Evaluation) - Punjab Technical University01-08-2012
Centre for Development of Advanced Computing, ThiruvananthapuramResearch17&18, Jan
Centre for Development of Advanced Computing, NoidaE- Learning laboratory visit01-10-2012
Galogi Mini Hydropower Plant, DehradunField visit during a short term course30-11-2012
Centre for Development of Advanced Computing, MohaliWireless communication lab. visit24-03-2013
Central Scientific Instruments Organization, ChandigarhComputational Instrumentation laboratory visit24-03-2014
NIT ThiruchirappalliExaminer- Ph.D candidates21-7-2014
THDC India Ltd.R&D Meeting17-7-2015
IISc BangaloreNaMPET Meeting16-04-2015
NIT SurathkalPh.D Examiner24/10/2016
College of Technology, GBPUATResearch and Project Discussion29-10-2016
BHEL, Haridwarvisit to Electrical Machines Lab.2-8-14
Pathri Power House (Uttrakhand)M.Tech Observational Tour03-09-2016
Chilla Power House (Uttarakhand)M.Tech Observational Tour26-08-2016
Courses or Conferences Organised
Conference NameSponsored ByDate
Power Electronics in Mini/Micro Hydropower Generation (3 days course)National Mission on Power Electronics Technology (NaMPET), Ministry of Communications & Information 2012-11-29
Natioanl Workshop on Power Electronics (NWPE 2017)NaMPET (MietY), Government of India9-11/10/17
Advanced Control and Computing Technologies for Reliable Industrial Electricity SavingUttrakhand Science and Technology17-02-2014
Applications and Challenges in Multi-Channel Megawatt Power Electronic SystemsQIP, IIT Roorkee16-20/7/18
Power Electronics In LArge Pumped Storage Hydropower PlantsQIP, IIT Roorkee14-18/7/14
Special Lectures Delivered
Reliability and Efficiency of Networked Electric Drives University of Luxembourg20-04-2010
Energy-optimal control of industrial motor drivesMalaviya National Institute of Technology, Jaipur23-12-2013
Power electronics in hydro-electric energy systemsMalaviya National Institute of Technology, Jaipur23-12-2013
Hydro Plant Electrical Systems CEC, IIT Roorkee05-04-2017
Recent Trends and Operational Challenges in Hydro-Electric Systems (Case Studies and Experimental IlCEC, IIT Roorkee05-04-2017
Recent Trends, Challenges and Research Opportunities in Hydropower GenerationPondicherry Engineering College05-12-2017
Books Authored

[book chapter] Radha Thangaraj, Thanga Raj Chelliah, Millie Pant, Pascal Bouvry and Ajith Abraham, “Applications of Nature Inspired Algorithms in Electrical Engineering”, Handbook of Optimization, Intelligent Systems Series, Springer Verlag, Germany, pp. 991-1024, 2012.

Refereed Journal Papers


  • Patent: (2018) Energy Efficient Starting of Pump Turbine Equipped with Doubly Fed Induction Machine, accepted by IITR-IPR Cell for filing (under Tehri Hydropower Corporation funded project).

  • Anto Joseph and Thanga Raj Chelliah, "A Review of Power Electronic Converters for Variable Speed Pumped Storage Plants: Configurations, Operational Challenges and Future scopes", IEEE Journal of Emerging and Selected Topics in Power Electronics, Vol. 6, No.1, 2018. [Download]

  • Anto Joseph, D. Karthik, R R Semwal, Thanga Raj Chelliah and Deepak Khare, "Dynamic Performance of Pumping Mode of 250 MW Variable Speed Hydro-Generating Unit Subjected to Power and Control Circuit Faults," IEEE Trans. Energy Conversion, Vol. 33, No.1, 2018.DOI: 10.1109/TEC.2017.2739132

  • C. Bharatiraja, S. Raghu, T. R. Chelliah, M. Tariq, and J. L. Munda,, "Design and implementation of fourth arm for elimination of bearing current in NPC-MLI fed Induction motor drive," IEEE Trans. Industry Applications, Vol. 54, No.1, 2018. DOI: 10.1109/TIA.2017.2759204

  • Anto Joseph, S. Raghu, Thanga Raj Chelliah and S V Appa Sarma “Starting and Braking of a Large Variable Speed Hydro-Generating Unit Subjected to Converter and Sensor Faults” IEEE Trans. Industry Applications (doi: 10.1109/TIA.2018.2816904).

  • R. Rajasingh, Raghu Selvaraj and Thanga Raj Chelliah, "Dynamic Performance of Doubly-Fed Hydroelectric Machines under Voltage Unbalance – A Relative Electro-Thermomechanical Analysis," IEEE Trans. Industry Applications (accepted). 

  • Raghu Selvaraj, Thanga Raj Chelliah, Deepak Khare and C. Bharathiraja "Fault Tolerant Operation of Parallel Connected 3L- Neutral-Point Clamped Back-to-Back Converters Serving to Large Hydro-Generating Units, IEEE Trans. Industry Applications (accepted). 

  • B. Anil Kumar, S. Raghu, Thanga Raj Chelliah, Deepak Khare, U. S. Ramesh, "Improved Fuel-Use Efficiency in Diesel-Electric Tugboats with an Asynchronous Power Generating Unit," IEEE Trans. Transportation Electrification (under second revision). 

  • Anto Joseph and Thanga Raj Chelliah, "Fault Diagnosis and Fault Tolerant Control of Megawatt Power Electronic Converters Fed Large Asynchronous Hydro-Generator", IEEE Journal of Emerging and Selected Topics in Power Electronics (under revision).

  • Anto Joseph and Thanga Raj Chelliah, "A Novel Energy Efficient Starting of Pump Turbine Equipped with Doubly-Fed Induction Machine", IEEE Trans. Industrial Electronics (under revision).

  • Anto Joseph and Thanga Raj Chelliah, "Multi-Channel VSI Fed Large Variable Speed Asynchronous Hydro-Condenser: Fault Analysis, Fault Diagnosis and Fault Tolerant Control", IET Renewable Power Generation (under revision).

  • R. Rajasingh and Thanga Raj Chelliah, "Enforcement of cost-effective energy conservation on single-fed asynchronous machine using a novel switching strategy", Energy, Vol. 126, pp. 179-191, 2017.

  • C. Carunaiselvane and Thanga Raj Chelliah, "Present Trends and Future Prospects of Asynchronous Machines in Renewable Energy Systems"Renewable and Sustainable Energy Reviews, Vol. 74, pp. 1028-1041, 2017.

  • Conference Papers (2017-18)

  • Karthik D., S. Raghu, Thanga Raj Chelliah, D. Khare “Effective Utilization of Parallel Connected Megawatt Three-Level Back-to-Back Power Converters in Variable Speed Pumped Storage Units,” 53rd IEEE IAS Annual Meeting (USA), 23 – 27 September 2018 [accepted for presentation and to be submitted for possible publication in IEEE Trans. Industry Applications].

  • C. Carunaiselvane , Thanga Raj Chelliah, Appa Sarma S V., “Vibration Analysis of a Continuously Overloaded Large Hydrogenerator at Load Rejection” 20th International Seminar on Hydropower Plants, 14-16 November 2018, Austria [Accepted for presentationto and to be submitted for possible publication in IEEE Trans. Energy Conversion].

  • R. Raja Singh, Harshit Mohan, Thanga Raj Chelliah, “Optimal Energy Switching Strategy for Doubly Fed VSD using Fuzzy - Decision Control Algorithm,” 52nd IEEE IAS Annual Meeting (USA), 1-5 October 2017 [invited for possible publication in IEEE Trans. Industry Applications]

  • Karthik D, Thanga Raj Chelliah, Deepak Khare “Sustainable Operation Of Small Hydropower Schemes In Changing Climatic Conditions,” IEEE PES APPEEC 2017, Bangalore, 8-10 November 2017

  • S. Raghu, Thanga Raj Chelliah, Deepak Khare “A Novel Switching Strategy for DC Link Voltage Balance in Parallel Connected Three-Level Diode Clamped Back-to-Back Converter Systems Serving to Variable Speed Pumped Storage Plant,” International Transportation Electrification Conference, Pune, 13-15 December 2017

  • B Anil Kumar, Thanga Raj Chelliah, Deepak Khare, U S Ramesh, “Optimization of Micro-Grid with Load Prediction in Asynchronous Generator Driven Tugboat Propulsion System” International Transportation Electrification Conference, Pune, 13-15 December 2017

  • M. Chandrasekar, B Anil Kumar, Thanga Raj Chelliah, “Optimal Sizing of Diesel Generators in Marine Propulsion Systems”, International Transportation Electrification Conference, Pune, 13-15 December 2017