Prof. R. Sarathi
FIE, FRSC, FIET, FNAE
Department of Electrical Engineering [ESB - 347]
IIT Madras
Phone: +91 - 44 - 22574436
Mobile: +91 - 9444246436
Email: rsarathi@iitm.ac.in/ sarathi@ee.iitm.ac.in

Refereed International Conferences

1.         R.Sarathi and T.S. Ramu Investigations into the failure of high voltage XLPE cables under different and mixed voltages, Fourth International Seminar on Electric cables, conductors and winding wires, Bombay,1995.

2.         V.Venkateswarlu, R.Sarathi and Y. Narayana Rao, Modelling of Electromagnetic pulse simulator and evaluation of its radiated field, Fourth International conference and workshop Electromagnetic compatibility, Madras,1996.

3.         C. Venkataseshaiah, R.Sarathi and M.V. Aleyas, Studies on the dielectric strenght of transformer oil under oscillatory impulse voltages, 1996 International Symposium on Electrical Insulation, Montreal, Canada.

4.         R.Sarathi, C.Venkataseshaiah and Himangshu Roy, Breakdown characteristics of short airgap under oscillatory impulse voltages, ICPADM, Korea, 1997.

5.         R.Sarathi, M.Krishnamurthi and P.Reji, Breakdown characteristics of short airgaps with conducting particles under composite voltages, 1997,CEIDP, Minneapolis, Minnesota

6.         R.Sarathi and Chandrasekkara Karri, Effect of Barrier in short airgap under oscillatory impulse voltages, 1997,CEIDP, Minneapolis, Minnesota.

7.          R.Sarathi and M.N. Sirsi, Studies on the effect of ageing on the dielectric strength under different voltage profiles, 1997,CEIDP, Minneapolis, Minnesota.

8.          R.Sarathi, C.Venkataseshaiah, and VivekKrishnan, Influence of Barrier on breakdown characteristics of transformer oil under different voltage profiles, 10^th ISH, Montreal, Canada, 1997.

9.          R.Sarathi, C.Venkataseshaiah and Himangshu Roy, Effect of Barrier in short airgaps under transient voltages, 10^th ISH, Montreal, Canada, 1997.

10.            R.Sarathi, C.Venkataseshaiah and D. Krishnappa, Breakdown characteristics of short airgap under composite voltages, 10^th ISH, Montreal, Canada,1997.

11.            R.Sarathi, C.Venkataseshaiah and S. Muthukumar, Breakdown characteristics of short airgaps with artificial floating metal particle under Oscillatory impulse voltages, 10^th ISH, Montreal, Canada,1997.

12.            R. Sarathi, Dynamical aspects of Electrical Trees, INSULEC 1997,5^th Int. Conf. On Electrical and Electronics Insulating Materials and Systems, Bangalore.

13.            R. Sarathi, M.Krishnamurthi and M. Ramanathan, Breakdown characteristics of short airgaps under transient voltages, INSULEC 1997, 5^th Int. Conf. On Electrical and Electronics Insulating Materials and Systems, Bangalore

14.            R.Sarathi and Sridhar Krishnan, Effect of barriers in short airgaps under oscillatory impulse voltage, INSULEC 1997, 5^th Int. Conf. On Electrical and Electronics Insulating Materials and Systems, Bangalore.

15.            R.Sarathi, M.Krishnamurthi and S.Rengarajan, Studies on the breakdown characteristics of transformer oil under oscillatory impulse voltages, TRAFOTECH-98,5^th International Conference on transformers, Bombay, India,1998.

16.            R.Sarathi and K. Sridhar, Investigations into the growth of electrical trees in XLPE cables under transient voltages, 1998 IEEE 6^th ICCBSD, 22-25^th June 1998,pp 329-332,Sweden.

17.            R. Sarathiand M. Krishnamurthi, Influence of floating particles on breakdown characteristics of short airgap under different voltage profiles, Fifth International conference on Gaseous Dielectrics, Edited by Christophorou, Vol-1, pp277-283, Oct. 1998, USA.

18.            R.Sarathi and Vijayasarathi, Modelling and characterisation of Electrical trees in a laminated dielectric structures, 1999 IEEE CEIDP Oct.17^th-20^th, Austin, Texas,USA

19.            R.Sarathi and Atul Mohan, Optimised location of the barrier in airgap under different voltage profiles, INSULEC-20000, Nov.21-23, 2000.

20.            R.Sarathi and Murali Mohan, Selection of Barrier insulation materials to use along with transformer oil slection of barrier insulation material to use along with transformer oil , INSULEC-20000, Nov.21-23, 2000.

21.            R.sarathi, Umashankar and C.Ullas, Investigations of tracking phenomena in HDPE due to acid rain under different voltage profiles, INSULEC-20000, Nov.21-23, 2000.

22.            R.Sarathi and S.Roy, Motion of a free conducting particle in the transformer oil under AC and DC fields, International conference on power transformers, Apr.6-7,2000.

23.            R.Sarathi and K.Kalyan, Influence of barrier on breakdown characteristics of transformer oil under composite voltages, International conference on power transformers, Apr.6-7,2000.

24.            D.A.L. Priyakumar, Paul Levi, R.Jayaganthan and R.Sarathi, A Parallel processing technique for electrical tree growth in solid insulating materials using Cellular Automata, Parelec-2000, Canada.

25.            R.Sarathi and U.M. Rao, Investigations of tracking phenomena in RTV Silicon rubber insulation under DC voltages, IPEC’01 conference, Singapore,2001.

26.            Uma Maheswar Rao, R.Sarathi and C. Venkataseshaiah, Study of Tracking Phenomena in RTVSR under DC voltages, 12^th ISH-2001, Bangalore,2001.

27.            R. Sarathi, V.S. Chakravarthy, R. Vasanthan, M.Ahamed Khan and C.Venkataseshaiah, Investigation of tracking phenomena in Polymeric material, 12^th ISH-2001, Bangalore,2001.

28.            Siddharth Ray, Vineet jain, Rakshe Tejas, V.S. Chakravarthy, S. Ravichandran and R.sarathi, Diagnosis of faults in transformer winding using Neural Networks, IEEE Spice-2001 conference, 1- 3^rd Nov, 2001, New Delhi.

29.            R.Sarathi, Aneez Ahmed and C. Venkataseshaiah, Study of Breakdown Characteristics of Mixed Transformer Oil Under Different Voltage Profiles, TRAFOTECH-2002, Mumbai.

30.            R. SarathiR. Jayaganthan & C. R. Anilkumar, Stochastic Modeling and characterization of electrical trees in composite insulation structure using Fractal concepts, the International Conference on Scientific and Engineering Computation IC-SEC- 2002, Dec.3-5, 2002, Singapore.

31.            N. Yoshimura, R.Sarathi, C.Venkataseshaiah, S.Chakravarthi & K.Ganesh, Study of tracking phenomena in composite insulation materials under AC and DC voltages. CBIP-International Conference on Recent trends in maintanance technologies of EHV transmission lines, April 29-30,2003New Delhi, India.

32.            R. Sarathi, K. Dinesh, S. Ashwin, V. Harish and E. Varath Kanth, Understanding the surface condition of insulation material using wavelets, CBIP-International Conference on Recent trends in maintanance technologies of EHV transmission lines, April 29-30,New Delhi,2003 , India

33.            R. Sarathi, C. Venkataseshaiah and S.R. Chakravarthi, Generation of Nano Aluminium Powder using Wire Explosion Technique, ICMAT, Dec. 2003, Singapore.

34.            R. Sarathi, S. Chandrasekar, C. Venkataseshaiah  and N. Yoshimura, Condition Monitoring of Outdoor Polymeric Insulation Structures Using Wavelets and Neural Networks, presented in the CEIDP-2003 Conference, USA

35.            R. Sarathi, Supriya das,C. Venkataseshaiah and N. Yoshimura, Investigations of growth of Electrical Trees in XLPE cable insulation under Different voltage Profiles, presented in the CEIDP-2003 Conference, USA.

36.            R. Sarathi, C. Venkataseshaiah and Roshan Bhattarai, understanding breakdown characteristics of nitrogen and compressed air insulation under non-standard voltages, IASTED,POWERCON-2003, Dec. 2003, USA.

37.            R. Sarathi, C. Venkataseshaiah and H.S. Kumar, Identification of capacitor failure in distribution system using wavelets, IASTED Powercon-2003, Dec. 2003,USA.

38.            R.Sarathi, S. Chandrasekar and N. Yoshimura, Investigations of tracking phenomena in outdoor polymeric insulation using wavelets, International conference on Electrical mainatanance, CBIP, New Delhi, feb. 2004.

39.            R. Sarathi, C. Venkataseshaiah and P. Gani Raju, Study of treeing phenomena in XLPE cable insulation using AE technique, IASTED conference, Nov. 2004, USA.

40.            R. Bhattarai, C. Venkataseshaiah and R. Sarathi, Investigations of breakdown characteristics of Nitrogen and SF6 gas under non-standard transient voltages, Int. Conf. On power systems, pp261-264, Kathmandu, Nepal, Dec. 2004.

41.            R. Sarathi, S. Chandrasekar and N. Yoshimura, Investigations of tracking phenomena in outdoor polymeric insulating material under DC voltage, INSULEC-2005.

42.            R.Sarathi, V. Dubey and Y.G. Srinivasa, Identification of partial discharges in GIS under composite voltages, IASTED, CA, Oct.2005.

43.            R. Sarathi, Vi.Dubey and Y.G. Srinivasa, identification of incipient discharges in GIS using AE technique, CEIDP, Oct. 2005, USA

44.            R.Sarathi, Sahu and M.K. Pradhan, Understanding the breakdown characteristics of LN2 under different voltage profiles, CEIDP, Oct. 2005, USA.

45.            R. Sarathi, R.K. Sahu and R. Velmurugan, Undestanding the mechanical properrties of epoxy nanocomposites International Conference on Composites, Jan 2006.

46.            R. Sarathi, R.K. Sahu, R. Velmurugan, Diagnostic study of epoxy nanocomposites, Nano2006, CIT, Coimbatore, June 2006.

47.            R. Sarathi, M. Malarvizhi, S.R. Chakravarthy and R. Jayaganthan, Generation of nano aluminium powder by wire explosion process, Nano2006, CIT, coimbatore, June 2006.

48.            R. Sarathi, T.K. Sindhu, S.R. Chakaravarthy, H. Suematsu, Niihara, W. Jiang, Generation of nano aluminium particle by Wire exlosion process, Int. Conf. on Nano materials, 21-25^th Aug 2006, Bangalore.

49.            R. Sarathi, S.R. Chakravarthy and K. Jayaraman, Production and characterization of nano aluminium and its effect in solid propellant combustion, 45^th AIAA aerospace sciences meeting and exhibit, paper No.AIAA 2007-1430, 8-11 Jan 2007, Reno, Nevada.

50.             R. Sarathi, S.R. Chakravarthy, and K. Jayaraman, Combustion engineering conference, March 2007, Japan.

51.            R. Sarathi, S.R. Chakravarthy, M. Malarvizhi, R. Jayaganthan, Generation of nano aluminium alloy using wire explosion process, HRTCEM conference, New Delhi

52.            R. Sarathi and R.K. Sahu, Understanding the surface condition of insulating material using AFM images through wavelets and fractals, ICPMPE, Bangalore.

53.            R. Sarathi and M.D. Judd, Understanding the partial discharge activity in transformer oil due to particle movement using UHF technique, ICPS conference, Bangalore, India, Dec. 2007

54.            R. Sarathiand G. Umamaheswari, understanding the partial discharge activity in GIS using UHF technique, International conference on Power system operation and control conference, Vizag, March 2008, India.

55.            R. Sarathiand G. Koperundevi, identification of partial discharges in transformer oil due to particle movement using UHF technique, WASET, International conference on electrical and electronic systems, April 2008, Bangkok.

56.             R. Sarathi, G. Nagesh and K. Vasudevan, identification of discharges from water droplet on epoxy nanocomposites under AC voltages, Waset, International conference on electrical and electronic systems, April 2008, Bangkok.

57.            R. Sarathi, M.G. Danikas and T.Tanaka, Understanding the space charge dynamics in eslastomers adopting Pulsed electroacoustic technique, Accepted for oral presentation in the International conference on electrical and electronic systems, Feb 2009.

58.            Debalina, Kamaraj and R. Sarathi, Generation and characterization of nano tungsten carbide particle by wire explosion process, Nanotech-2009, New Delhi, India.

59.            Debalina, Kamaraj and R. Sarathi, Generation and characterization of nano tungsten carbide particle by wire explosion process, Nano 2010, Tokyo, Japan

60.            Giridhar, Sethupathi and R. Sarathi, Understanding partial discharge activity in liquid nitrogen adopting UHF technique, Condition monitoring and diagnostics, Tokyo, Oct. 2010.

61.            Debalina, Kamaraj, N.J. Vasa, S.R.Chakravarthi  and R. Sarathi, Generation and characterization of nano tungsten carbide particle by wire explosion process, Tencon 2010, 21-24^th Nov. 2010, Fukuoka, Japan.

62.            Koperundevi, G.; Goyal, M.K.; Das, S.; Roy, N.K.; Sarathi, R., Understanding PD activity in transformer insulation,  Indicon 2009

63.            R. Sarathi.R. Karpagam, Understanding the tracking phenomena in epoxy nanocomposites adopting UHF technique,  Industrial and Information Systems (ICIIS), 2011 6th IEEE International Conference on, pp 88 - 92 , 2011

64.            R. Mishra,  H. Muthukrishnan, A. Ramanan, R.Sarathi, Understanding partial discharge activity in GIS due to particle movement under high frequency AC voltage adopting UHF technique, Industrial and Information Systems (ICIIS), 2011 6th IEEE International Conference on 2011 , PP.93 – 97.

65.            R. Sarathi and M. Archana, Understanding PD activity in transformer insulation adopting UHF technique, ISEIM, Japan, 2011

66.            R.sarathi, Arya Nandini and T. Tanaka, understanding treeing phenomena in gamma irradiated XLPE cable insulation, ICPADM 2012, Bengaluru.

67.            Aravinth S, sarathi R and Vasa N. J (2012) Generation of tungsten carbide and its application as a high PD resistant filler material in epoxy nanocomposites. Proceedings of NCRS-2012, 1-4 Nov 2012,Fukuoka, Japan.

68.            Sunil Kumar, Chakravarthy S. R, Aravinth S and Sarathi R (2013) Automation/scaled-up production of nano/ultrafine aluminum particles. Proceedings of AMPC-2013, 6-8 Feb 2013, Chennai,India.

69.            V. Satieeshkumar, N.J. Vasa and R. Sarathi, Understanding pollution performance of outdoor insulation adopting Laser induced breakdown spectroscopy, ACED 2012, Dec.10-12, Malaysia, 2012.

70.            V. Sathiesh Kumar, Nilesh J. Vasa, R. Sarathi, “Detecting the salt deposit on a wind turbine blade using laser induced breakdown spectroscopy technique”.  11^th International Conference on Laser Ablation (COLA 2011), Mexico, Nov 13-19, 2011. 

71.            V. Sathiesh Kumar, Nilesh J. Vasa, R.Sarathi, "Optical emission spectroscopy technique for studying lightning discharge on a glass fiber reinforced plastics ", ICONTOP 2011, Kolkata, India from Dec 9-12, 2011.

72.            V. Sathiesh Kumar, Nilesh J. Vasa, R. Sarathi, Daisuke Nakamura and Tatsuo Okada, “LIBS Combined with Temporal and Spatial Measurements for Detecting a Salt Deposit on a GFRP Material”, 10^th Conference on Laser and Electro-Optics Pacific Rim (CLEO-PR), Kyoto, Japan from 30^th June- 4^th July 2013.

73.               V. Sathiesh Kumar, Nilesh J. Vasa, R. Sarathi, Daisuke Nakamura and Tatsuo Okada,               “Evaluation of a LIBS Method for Remote Detection of a Salt Deposit on a Wind Turbine Blade”, 12^th International Conference on Laser Ablation (COLA 2013), Italy, Oct 6-11, 2013.- Awarded outstanding poster presentation prize.

74.            Aparna N, Wazeem M A, N. J. Vasa, R. Sarathi, "Detection of copper contamination in transformer oil using laser lnduced breakdown spectroscopy", Proceedings of the International OSA Network of Students Conference Asia -4 (December 7-8, 2012).

75.             Aparna N, Wazeem M A, Nilesh J. Vasa, R. Sarathi, Sundara Rajan J., "Laser induced breakdown spectroscopy to detect copper contamination in transformer insulation", Proceedings of the 10th International Conference on Lasers and Electro-Optics Pacific Rim (June 30- July 4, 2013).

76.            Aparna N, Nilesh J. Vasa, R. Sarathi, J. Sundara Rajan,"Feasibility study for detecting copper contaminants in transformer insulation using laser induced breakdown spectroscopy", Proceedings of the12th International Conference on Laser Ablation (October 6-11, 2013).

77.            Umamaheshwari and R. Sarathi, Feature extraction of UHF PD signals by wavelet packet based MRSD analysis for defect identification in GIS,  , INDICON 2012, pp1218-1222, 2012.

78.            Sarathi, R. ; Aryanandiny, B. ; Tanaka, T. Understanding electrical treeing phenomena in gamma ray irradiated XLPE cable insulation, ICPADM 2012, Bangalore, India.

79.            Sarathi, R. ; Sheema, I.P.M. Understanding surface discharge activity in copper sulphide diffused transformer insulation under harmonic AC voltages 2nd International Conference on Electric Power Equipment - Switching Technology (ICEPE-ST), Japan, 2013 

80.            R. Sarathi, Understanding electrical, thermal and mechanical properties of epoxy nanocomposites, Nov. 2013 ICMR, Akita, Japan.

81.            Merin sheema , R. Abhirami and R. Sarathi, Partial discharge source classification by SVM,CATCON, Calcutta, pp253-258, Dec 2013 

82.            Priya,Rajaprabu and R. Sarathi,  Understanding treeing phenomena in XLPE cable insulation under composite voltages, ICIIS, 8^th ICIIS, Kandy, pp100-103, Dec 2013.

83.            Guru, R. Velmurugan and R. Sarathi, Effect of nano clay content on mechanical and electrical properties in hybrid nanocomposites, that was submitted for the First International Conference on Composites, Biocomposites and Nanocomposites (ICCBN 2013), Durban Africa.

84.            Merin Sheema, V. Subramanian and R. Sarathi, Propagation of partial discharge signals and the location of partial discharge occurrences,  8^th ICIIS, Kandy pp 93 95, Dec. 2013.

85.            Kushalkumar Oza, Lakshya Mittal and R. Sarathi, Understanding the breakdown characteristics of liquid nitrogen under non-standard transient voltages8^th ICIIS, Kandy, pp96-99, Dec. 2013

86.            I.P. Merin Sheema and R. Sarathi, Surface Discharge Activity in Transformer Insulation Under AC Voltage, 2nd International Conference on Power, Control and Embedded Systems (ICPCES-2014) FEBRUARY 27 – 28, 2014

87.            R. Sarathi and V. Sri Harsha, Shinobu Nagasawa and H. Suematsu, Understanding Water Droplet Initiated Discharges on Epoxy Nanocomposites Under DC voltages Adopting UHF Technique, 2nd International Conference on Power, Control and Embedded Systems (ICPCES-2014) FEBRUARY 27 – 28, 2014

88.            M Albano, A Haddad, H Griffiths, RT Waters, YA Hicks, R Sarathi, Dry-band and discharge activity characterization using visual and IR data analysis, High Voltage Engineering and Application (ICHVE), 2014 International Conference on, pp1-4, 2014.

89.            Lakshya Mittal and R. Sarathi, Understanding Corona Discharge Activity in Liquid Nitrogen under Harmonic AC voltages Adopting UHF Technique, ISEIM 2014, Niigata, Japan, 1-5^th June 2014

90.            Merin Sheema V. Subramanian and R. Sarathi,  Effect of Barrier in the Propagation of Partial Discharge Signals  ISEIM 2014

91.            R. Sarathi, M. Kamaraj, R. Sugunakar Reddy, Generation of molybdenum  carbide nano particle by wire explosion process, EAPPC 2014.

92.            R. Sarathi and  Bhargav. S, Understanding Surface discharge activity with Epoxy Nanocomposite in SF₆ gas under Harmonic Voltages, ACED 2014, 8-9^th Dec., Bangkok

93.            K. Sahitya Yadav, I.P. Merin Sheema and R. Sarathi Understanding of Surface Discharge Activity on Thermally Aged Oil Impregnated Pressboard in Transformer Oil under AC Voltages, ACED 2014, 8-9^th Dec., Bangkok

94.            Kushal H. Oza , L. Siddharth , M. Okazaki, M. Kamaraj and R. Sarathi, Investigation of Electrical and Wear properties of Epoxy Nanocomposites, ACED 2014, 8-9^th Dec., Bangkok

95.            R. Sarathi, Sahithya Yadav and M.G. Danikas, ICPADM Accepted for publication.

Refereed National Conferences

1.          R.Sarathi, Probabilistic aspects of failures of XLPE cables in service, Third national conference on EHV technology, Bangalore,1995.

2.          R.Sarathi, Stochastic modelling and characterisation of Electrodeposition, National conference on fundamentals of crystal growth, Madras 1996.

3.          R. Sarathi, Dynamical aspects of Electro-deposition, National Conference on fundamentals of crystal growth, Karaikudi, 1997.

4.          R.Sarathi and D.C. David, Influence of carbon particle on the breakdown characteristics of transformer oil, pp11-14,Fourth Workshop and Conference on EHV Technology, Bangalore,1997.

5.          R.Sarathi, D.C. David and C.Venkataseshaiah, Fault diagnosis in power transformers using Fuzzy logic technique, Fourth Workshop and Conference on EHV Technology, Bangalore,1997.

6.          R.sarathi and S.Srinivasa Rao, Effect of space charge on the dynamical aspects of electrical trees, Fourth Workshop and Conference on EHV Technology, Bangalore,1997.

7.          R.Sarathi and P.Murugan, Influence of barriers in short airgaps under composite voltages, 10^th NPSC conference, Oct14-16^th ,1997, Baroda.

8.          R.Sarathi, Morphology of polypropylene, 1998 Macromolecules conference, CLRI, Chennai

9.          R.Sarathi, Chaotic behaviour of Electrical Trees, 1998 Macromolecules conference, CLRI, Chennai

10.            R.Sarathi and P.Murugan, Breakdown characteristics of Transformer oil under composite voltages, Symposium on transformer insulation Systems ( STIS’99), Bangalore

11.            R.Sarathi, V.N.V. Sudharsan and S.Roy, Motion of a particle in the transformer oil under composite voltages, 11^th  NPSC-2000, Dec.20-22,2000.

12.            R.Sarathi and C.Ullas, Analysis of Tracking Phenomena in HDPE material under different voltage profile,MACRO-2000,National Symposium on Polymers and Composites, Dec1-2, 2000, Kanpur.

13.            R.Sarathi and K.Sudhakar, Study of the effect of filler on the hydrophobicity characteristics of epoxy resin aged under saline solution, MACRO-2000,National Symposium on Polymers and Composites, Dec1-2, 2000, Kanpur

14.            R.Sarathi, K.Naveen and Swapna D. Rao, Fractal analysis of fractures in insulation structure-Modelling using Cellular Automata, Proceedings of the National Conference on RAMP-2001, pp577-583, Sept.2001.

15.            R.Sarathi, U.M.Rao and C.Venkataseshaiah, Investigations of surface modifications in EPDM rubber due to tracking, Proceedings of the National Conference on RAMP-2001, pp74-81, Sept.2001.

16.            R.Sarathi, V.Saxena and M.K. Sinha, Modelling of Electrical tree growth in Composite insulation materials using Cellular Automata- A parallel processing technique, Proc. of the National Conference on RAMP-2001, pp42-49, Sept.2001.

17.            R.Sarathi, U.M. Rao and C. Venkataseshaiah, Investigations of tracking studies in Silicon rubber under AC and DC voltages, Frontiers , Feb.2002, Kharagpur.

18.            N. Yoshimura, R. Sarathi. P. Murugan and C. Venkataseshaiah, Multiresolution signal decomposition- A new tool for fault diagnosis of outdoor polymeric insulators, Seminar on power transmission systems, June 7-9, Calcutta, 2002.

19.            N. Yoshimura, R. Sarathi, siddarth Tata C. Venkataseshaiah and C.R.Anilkumar – Study of Electrical treeing in Underground XLPE cables under different voltage profiles, Macro 2002 conference, 10^th Dec., IIT Kharagpur, 2002.

20.            R. Sarathi, C.Venkataseshaiah and C.R. Anilkumar Investigations of growth of Electrical Trees in XLPE cable insulation under different voltage Profiles, The National power system conference Dec. 2002.

21.            R. Sarathiand C. Venkataseshaiah, Condition Monitoring of outdoor polymeric insulators using Wavelets  National power system conference, Dec. 2002

22.            R. Sarathi, P. Krishnan, S. Ramanan, S. Jagannathan and C. venkataseshaiah, Diagnostics of Degradation condition in Outdoor Polymeric Insulation Structures Using Neural Networks, IEEE-ACE-2002 conference, 21^st Dec.2002,Calcutta, India.

23.            R. Sarathi, S. Chandrasekar and C. Venkataseshaiah, Investigation of tracking phenomena in silicone rubber insulation material under DC voltages, CPRI, Aug. 2004.

24.            R. Sarathi, C. R. Anilkumar and C. Venkataseshaiah, Study of electrical treeing in underground cable under different voltage profiles, CPRI, Aug. 2004.

25.            R. Sarathi, C. Venkataseshaiah and S. Chandrasekar, Investigation of tracking phenomena in outdoor insulation structure using moving average technique, NPSC 2004, Dec. 2004.

26.            R. Sarathi, S. Chandrasekar and N. Yoshimura, Understanding tracking phenomena in outdoor insulation materials using leakage current measurements, INDICON, Kharagpur, India, Dec. 2004.

27.            R. Sarathi, Vishal Dubey and Y.G. Srinivasa, Identification of Incipient Discharges in Gas Insulated System using Acoustic Emission Technique, National Symposium on condition monitoring of power apparatus, pp22-27, CPRI, Bangalore, Feb. 10, 2005.

28.            R.Sarathi, K.V. Sandeep, S.R. Chakravarthy and R. Jayaganthan, Generation and characterization of nano copper powder by electric explosion process, National power system conference, Dec. 2006

29.            R. Sarathi, M. Kalyani and T. Panda,  Elimination of Saccharomyces cerevisiae in liquids using Pulsed Electric Fields (PEF), National Conference on electrical engineering, High voltage Engineering Session-I, Paper No. 07, 4^th April 2008, Anna university, Chennai.

30.            R. Sarathiand Uma maheswari, identification of partial discharge activity in GIS usisng UHF technique, National conference on electrical engineering, High volage engineering session-I, Paper No. 04, 4^th April 2008, Anna university, Chennai. (Adjudged as best paper and received cash award of Rs. 2000/- with a certificate)

31.            V. Sathiesh Kumar, Nilesh J. Vasa, R.Sarathi, Daisuke Nakamura and Tatsuo Okada, “Analysis Of Contaminant Accumulated On A Wind Turbine Blade Using Laser Induced Breakdown Spectroscopy Technique”, 21^st DAE-BRNS National Laser Symposium (NLS-21), Mumbai, India from Feb 6-9, 2013.

32.            R.Sarathi, understanding treeing phenomena in XLPE cable insulation at liquid nitrogen temperature, CPRI one day National seminar on cryogenics, June 2013.

33.            Aparna N, Nilesh J. Vasa, R. Sarathi, J. Sundara Rajan, "Identification of copper sulfide formation in transformer insulation adapting laser induced breakdown spectroscopy", Proceedings of the 21st DAE - BRNS National laser symposium (February 6-9, 2013).