Professor, Electrical Engineering Department , Jadavpur University

Flat#4, 2/20 Netaji Nagar, Kolkata 700 092, India 

Residential Tel No.: +91 33 2411 5027 

Email ID: s_chakravorti@vsnl.com 

URL: http://www.geocities.com/s_chakrav/

Electrical Engineering Department Jadavpur University, Kolkata 700 032, India 

Tel No.: +91 33 2414 6948 

Fax: +91 33 2414 6266 

Email ID: sivaji@jdvu.ac.in / s_chakravorti@ieee.org

18th September 1962

BEE Courses:  High Voltage Technique, High Voltage Engineering, Computer Programming, Field Theory, Electrical Engineering Materials, Principles of Electrical Engineering, Principles of Alternating current, Basic Electrical Technology.

MEE Courses: High Voltage Fields.

i) Book on "Electrical Machines" by P.K.Mukherjee & S.Chakravorti published by M/s Dhanpat Rai & Sons, New Delhi, 1993, 2nd Ed.

 ii) Proceedings of "EPIC-IEEE ACE 2002" Edited by N.Chatterjee, D.K.Basu, S.K.Choudhury & S.Chakravorti published by IEEE Calcutta Section, 2002.

 iii) Proceedings of "Northeastern Himalayan Biodiversity" Edited by S.Chakravorti published by Humboldt Club Calcutta, 2003.

Following on-line courses have been web hosted by DLNET-NSDL that is sponsored by US-National Science Foundation. Available at the DLNET website www.dlnet.vt.edu

a) "Electric Field Calculation by Charge Simulation Method" by S.Chakravorti - (search using the keyword 'Charge Simulation Method').
b) "Electric Field Calculation by Finite Difference Method" by S.Chakravorti - (search using the keyword 'Finite Difference Method').
c) "Electric Field Computation by Indirect Boundary Element Method" by A.Lahiri and S.Chakravorti (search using the keyword 'Indirect Boundary Element Method').

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Journal Publications:

1) S.Chakravorti and P.K.Mukherjee, “Efficient field calculation in three core belted cable by charge simulation using complex charges”, IEEE Trans. on Electrical Insulation, Vol.27, No.6, Dec, pp 1208-1212, 1992.

2) S.Chakravorti and P.K.Mukherjee, “Power frequency and impulse field calculation around a HV insulator with uniform or non-uniform surface pollution”, IEEE Trans. on Electrical Insulation, Vol. 28, No.1, Feb, pp 43-53, 1993.

3) S.Chakravorti and P.K.Mukherjee, “An application of artificial neural network for optimization of electrode contour”, IEEE Trans. on Dielectrics & Electrical Insulation, Vol.1, No.2, April, pp 254-264, 1994.

4) P.S.Ghosh, S.Chakravorti and N.Chatterjee, “Estimation of time to flashover characteristics of contaminated electrolytic surfaces using artificial neural network”, IEEE Trans. on Dielectrics & Electrical Insulation, Vol.2, No.6, Dec, pp 1064-1074, 1995.

5) S.Chakravorti and H.Steinbigler, “Capacitive-resistive field calculation in and around HV bushings by boundary element method “, IEEE Trans. on Dielectrics & Electrical Insulation, Vol.5, No.2, April, pp 237-244, 1998.

6) S.Chakravorti and H.Steinbigler, “Boundary Element studies on insulator shape and electric field around HV insulators with or without pollution”, IEEE Trans. on Dielectrics & Electrical Insulation, Vol.7, No.2, April, pp 169-176, 2000.

7) K.Bhattacharya, S.Chakravorti and P.K.Mukherjee, “Insulator contour optimization by artificial neural network”, IEEE Trans. on Dielectrics & Electrical Insulation, Vol. 8, No. 2, April, pp 157-161, 2001.

8) P.Purkait and S.Chakravorti, “Time and frequency domain analyses based expert system for impulse fault diagnosis in transformers”, IEEE Trans. on Dielectr. and Electr. Insul., Vol. 9, No. 3, June, pp 433-445, 2002.

9) P.Purkait and S.Chakravorti, “Pattern Classification of Impulse Faults in Transformers by Wavelet Analysis”, IEEE Trans. on Dielectr. and Electr. Insul. Vol. 9, No. 4, August, pp 555-561, 2002.

10) P.Purkait, A.Chatterjee, S.Chakravorti and K.Bhattacharya, “Translationally Adaptive Fuzzy Classifier for Transformer Impulse Fault Diagnosis”, IEE Proceedings - Generation, Transmission and Distribution, Vol. 150, No.1, January, pp 33-40, 2003.

11) P.Purkait and S.Chakravorti, “Impulse Fault Classification in Transformers by Fractal Analysis”, IEEE Trans. on Dielectr. and Electr. Insul, Vol. 10, No.1, February, pp 109-116, 2003.

12) P.Purkait and S.Chakravorti, “Investigations on the usefulness of an expert system for impulse fault analysis in distribution transformers”, Electric Power System Research (Elsevier Publication), Vol. 65, No.2, pp 149-157, 2003.

13) P.Purkait and S.Chakravorti, “Wavelet Transform Based Impulse Fault Pattern Recognition in Distribution Transformers”, IEEE Trans. on Power Delivery, Vol. 18, No.4, October, pp 1588-1589, 2003.

14) P.Purkait and S.Chakravorti, “Can fractal techniques be used for impulse fault pattern discrimination in distribution transformers”, Electric Power System Research (Elsevier Publication), Vol. 68, pp 258-267, 2004.

15) A.Lahiri and S.Chakravorti, “Simulation of complex electrode-spacer configurations used in HV systems for accurate electric field calculation”, Scientific Computing in Electrical Engineering, Mathematics in Industry-4 (Springer-Verlag Publication), pp 289-296, 2004.

16) A.Lahiri and S.Chakravorti, “Electrode-Spacer Contour Optimization by ANN aided Genetic Algorithm”, IEEE Trans. on Dielectr. and Electr. Insul., Vo.11, No.6, December, pp 964-975, 2004.

17) A.Lahiri and S.Chakravorti, “A novel approach based on simulated annealing coupled to artificial neural network for 3D electric field optimization”, IEEE Trans. on Power Delivery, Accepted for publication, 2005.

Seminar/Conference Publications:

 1) P.S.Ghosh, S.Chakravorti and N.Chatterjee, “ANN with RPROP learning algorithm applied to modelling of flashover voltage characteristics of polluted insulators”, 9th Int. Symp. on HV Engg, Graz, Austria, 1995.

 2) K.Bhattacharya, S.Chakravorti and P.K.Mukherjee, “Optimization of HV support insulator by artificial neural network”, 9th Int. Symp. on HV Engg, Graz, Austria, 1995.

 3) S.Chakravorti and M.C.Siddagangappa, “Effect of charge accumulation on the electric field distribution along spacer surface”, 9th Int. Symp. on HV Engg, Graz, Austria, 1995.

 4) S.Chakravorti and H.Steinbigler, “Capacitive-Resistive field calculation around a HV insulator using boundary element method”, 10th Int. Symp. on HV Engg, Montreal, 1997.

 5) S.Chakravorti, “Modified E-field analysis around spacers in SF6 GIS under DC voltages”, 11th Int. Symp. on HV Engg, London, 1999.

 6) P.Purkait, S.Chakravorti and K.Bhattacharya, “TIFDES-An Expert System tool for transformer impulse fault diagnosis”, 11th Int. Symp. on HV Engg, London, 1999.

 7) P.Purkait and S.Chakravorti, “An expert system for fault diagnosis in transformer during impulse tests”, IEEE-PES Winter Meeting, Singapore, 2000, Paper 7803-5938.

 8) A.Lahiri, S.Chakravorti and R.K.Dutta, “Studies on field distribution around a conical insulator in GIL”, 12th Int. Symp. on HV Engg., Bangalore, Vol.1, pp 17-20, 2001.

 9) P.Purkait and S.Chakravorti, “Frequency domain analysis based impulse fault diagnosis in power and distribution transformers”, 12th Int. Symp. on HV Engg., Bangalore, Vol. 5,  pp 1207-1210, 2001.

10) S.Chatterjee, S.Chakravorti and C.K.Roy, “Wavelet based denoising for accurate identification of B-H loop of transformer core”, 3^rd Int. Conf. on Electrical & Computer Engg, Dhaka, pp 11-14, 2004.

 1) 'Studies on the growth of pollution discharge and modelling of flashover characteristics' by Mr.P.S.Ghosh in 1995. Guided jointly with Prof. N.Chatterjee.

 2) 'Electrostatic field computation and artificial neural network applied to optimization of insulating systems' by Mr.K.Bhattacharya in 2000. Guided jointly with Prof. P.K.Mukherjee.

 3) "Artificial intelligence technique based impulse fault diagnosis in transformers" by Mr.P.Purkait in 2002.

 4) "Studies on 3-dimensional field distribution in high voltage system" by Mr.A.Lahiri in 2004.

Currently guiding  4 PhD theses.

 1) "Studies on turbulent flow regimes through an air intake duct using artificial intelligence" by Mr. A.N. Mullick. Guiding jointly with Dr. B. Majumder.

 2) “Studies on Fibre-Optic Interferometric Sensors for Non-Contact Measurement” by Mr. T.K.Gangopadhyay. Guiding jointly with Dr. K.Bhattacharya.

 3)  “Studies on High Voltage Switching Transients Developed from Abrupt Changes in On-Line Power Circuit Topography”, by Mr. S.Chatterjee. Guiding jointly with Prof. C.K.Roy.

 4) “Advanced Techniques for Identification of Faults in Transformersdue to Impulse Stresses”, by Mr. C.Koley. Guiding jointly with Dr. P.Purkait

 1)      ‘Field analysis of corona shield by charge simulation method’  by K.Basu in 1987 at JU. Guided jointly with Prof. C.K.Roy.

 2)      ‘Flashover of contaminated electrolytic surfaces under power frequency voltages’  by  P.S.Ghosh   in 1990 at JU. Guided jointly with Prof. N.Chatterjee.

 3)      ‘Electric field calculation in three core belted cable by charge simulation method employing      least square error technique’ by B.Mukhopadhyay in 1992 at JU.

 4)      ‘Power frequency electric field distribution around a porcelain disc insulator with uniform or      non-uniform surface pollution’ by S.C.Das in 1994 at JU. Guided jointly with Dr. K. Bhattacharya.

 5)      ‘TIFDES-An expert system tool for transformer impulse fault diagnosis’ by P.Purkait in 1999  at JU. Guided jointly with Dr.K.Bhattacharya.

 6)      ‘Field calculation in GIS by boundary element method’ by K.B.V.S.R. Subrahmanyam in 2000  at JU.

 7)      ‘ANN based modeling of Electric Field Distribution in Gas Insulated System’ by S.K.Baral in      2001. Thesis guided in collaboration with Dept. of Comp. Sc. & Tech, TTTI, Chandigarh and  submitted to Thapar Institute of Engg & Tech (DU), Patiala.

 8)      ‘Electrode Contour Optimisation in Gas Insulated Transmission Line’ by R.K.Dutta  in 2001 at JU.

 9)      'Application of Genetic Algorithm for Neutral Grounding Reactor Selection' by P.Das in 2002 at JU. Guided jointly with Prof. A.Mukherjee.

 10)  'Artificial Neural Network as a Tool for Modelling Electric Field Distribution' by S.P.Ghosh in 2002 at JU.

 11)  'Studies on Web Enabled Examination on High Voltage Engineering' by S.Choudhuri in 2003 at JU.

 12)  ‘Design of Wavelet based Denoising Tool for High Voltage Applications’ by R.C.Kisku in 2004 at JU.

Collaborated with the research group of the Institute of High Voltage Engineering and Electric Power Transmission, Technical University Munich, Germany, lead by Prof. W.Boeck and Prof. H.Steinbigler, from 1995 onwards in the area of numerical computation of mixed fields and also on electric field optimization. This collaboration was supported by Alexander von Humboldt (AvH) Foundation, Germany. This collaborative research has lead to the design and implementation of the field computation software package TWIN incorporating new simulation techniques. TWIN is currently used extensively both at Technical University Munich and at Jadavpur University. To enhance this international collaboration, AvH Foundation has donated a SGI O2 workstation to Electrical Engineering Department of Jadavpur University in 1999 to extend this collaborative research further.

i) Alexander von Humboldt Foundation Fellowship in the Institute of High Voltage Engineering  of Technical University, Munich, Germany, during 1995-96 and 1999 and at the ABB Corporate Research, Ladenburg, Germany in 2002.

ii) Indian National Science Academy Fellowship in Indian Institute of Science, Bangalore , India -  1994.

Awards  Won

1) The “Technology Day Award” from All India Council for Technical Education for the best project (2^nd Prize) in the Research & Development Category in 2004.

2) Recipient of the “Outstanding Small Chapter Award” from IEEE Power Engineering Society as the Chairman of Kolkata Power Engineering Chapter of IEEE in 2004.

3) The Third Millennium Medal of IEEE Calcutta Section in 2000.

4) The Pandit Madan Mohan Malaviya Memorial Medal of the Institution of Engineers (India) in 1995-96.

5) The Union Ministry of Energy : Department of Power Prize of the Institution of Engineers (India) in 1994-95.

6) Certificate of Merit of the Institution of Engineers (India) in 1996-97.

7) Certificate of Merit of the Institution of Engineers (India) in 1992-93.

8) Certificate of Merit of the Institution of Engineers (India) in 1991-92.

9) Certificate of Merit of the Institution of Engineers (India) in 1989-90.  

Other  Distinctions Won 

1) Jadavpur University Gold Medal for standing 1st in order of merit in the Master of Electrical Engineering (MEE) examination in 1985.

2) Jadavpur University Gold Medal for standing 1st in order of merit in the Bachelor of Electrical Engineering (BEE) examination in 1983.

3) Ashok Memorial Silver Medal of Jadavpur University for standing 1st in order of merit in the Bachelor of Electrical Engineering (BEE) examination in 1983.

4) Arun Kumar Bandyopadhyay Memorial Medal of Jadavpur University for securing the 2nd highest marks in aggregate combining all the courses of Bachelor of Engineering examination in 1983.

5) Ganesh Janani Debi Memorial Silver Medal of Jadavpur University for securing highest marks in Electrical Machines - II & III (combined) in the Bachelor of Electrical Engineering (BEE) Pt.I examination in 1982.

6) 3rd position in order of merit in the all India entrance test for post-graduate studies in engineering and technology in 1983. Name of the examination - GATE ‘83. Percentile Score - 99.77 .

7) National Scholarship by Ministry of Education & Culture, Govt. of India, in recognition of 98th position secured in Madhyamik Pariksha ( School leaving examination ) in 1977

 Senior Member of IEEE (USA).

Fellow of West Bengal Academy Science & Technology, Member of the Institution of Engineers (India).

Member of The Institution of Engineers (India).

a)      Vice-Chairman (PAC) of IEEE India Council – 2001.

b)      Vice-Chairman of IEEE Calcutta Section – 2003, 2004.

c)      Secretary of IEEE Calcutta Section - 1998,1999,2000.

d)      Chairman of Students Activities Committee of IEEE Calcutta Section - 2001, 2002,2003,2004.

e)      Secretary of Humboldt Club Calcutta – 2003, 2004,2005.

f)       Treasurer of Humboldt Club Calcutta - 1999,2000,2001, 2002.

g)      Chairman of Power Engineering Chapter of IEEE Calcutta Section – 2003, 2004,2005.

h)      Secretary of Power Engineering Chapter of IEEE Calcutta Section - 2000,2001, 2002.

i)        Treasurer of Power Engineering Chapter of IEEE Calcutta Section - 1997,1998,1999.

a)      Covenor of the BEE Syllabus Revision Sub-committee of FET, Jadavpur University - 2002-2005.

b)      Member of the Executive Council of Jadavpur University - 1990-94.

c)      Member of the Faculty Council for Engg. & Technology of Jadavpur University - 1990-1994.

d)      Covenor of the BEE Syllabus Revision Sub-committee of FET, Jadavpur University - 1991-1993.

a)      Frequently reviewing research papers for the IEEE Transactions on Dielectrics and Electrical Insulation, Journal of Electrostatics, Journal of Institution of Engineers etc.

b)      Acting as external examiner of PhD thesis of various universities and institutions like University of Queensland, Australia etc.