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Prof. (Dr.) Ranjit Roy

Professor & Dean(Engineering & Technology)
Department of Electrical & Electronics Engineering

[email protected]

Education

Degree Specialization University/Institute Name, Year
Ph.D. Power System National Institute of Technology, Durgapur, 2008
M.Tech (Gold Medalist) Power System National Institute of Technology, Durgapur, 2004
B.E. (Hons.) Electrical Engineering Regional Engineering College, Durgapur, 2000

Research Interests

Smart Grid Technologies and Automation, Renewable Energy Integration and Management, Power System Operation, Control and Stability, Energy Storage Systems and Battery Management, Artificial Intelligence and Machine Learning Applications in Power Systems, Data Analytics for Smart Energy Systems

Current Courses Taught / Teaching Interest

  • Smart Grid
  • Electric Vehicle
  • Power System Operation and Control
  • Power System Analysis
  • Generation Transmission & Distribution
  • Basic Electrical Engineering
  • Artificial Intelligence Applications to Power Systems

Achievements / Awards / Recognitions

Leadership and Institutional Achievements

  • More than 25 years of distinguished experience in academia, research, administration, accreditation, and quality assurance.
  • Led the establishment of advanced laboratories and research facilities worth over ₹1.2 Crore.
  • Awarded the Gold Medal by National Institute of Technology (NIT), Durgapur for securing First Position in the order of merit in the Master of Technology (Electrical Engineering) Examination, 2004.
  • Received the Certificate of Merit for the research paper titled “Optimization of Proportional-Integral-Derivative Gains by Evolutionary Programming in Fuzzy Based Automatic Generation Control”published in the Journal of The Institution of Engineers (India), 2006–2007.
  • Received the Certificate of Merit for the research paper titled “Optimized AGC Simulation for Restructured Multi-Area Power Systems” published in the Journal of The Institution of Engineers (India), 2008–2009.
  • Received the Best Paper Award at the IEEE International Conference on Smart Computing in Electrical, Electronics and Computer Science (SCEECS 2026), organized by NIT Bhopal (January 31 – February 1, 2026).
  • Received the Best Paper Award at the International Conference on Emerging Trends in Mathematical Sciences and Computing (IEMSC-26), Kolkata (February 6–8, 2026).

Professional Recognition

  • Senior Member, IEEE (USA)
  • Fellow, The Institution of Electronics and Telecommunication Engineers (IETE)
  • Fellow, The Institution of Engineers (India) [IEI]

1. Research Publications

International Journals:-

Sr. No. Authors Title of the paper Name of journal Year Impact Factor
1. Tanmay Das, Ranjit Roy & Kamal Krishna Mandal Solving the ORPD problem for an EV-connected network considering PV and Wind Energy sources uncertainty using a novel Weighted Adaptive Aquila Optimizer International Journal of Sustainable Cities and Society: Advances, 100030, In Press (Elsevier Publications) (Link: https://www.sciencedirect.com/science/article/pii/S3051052X26000082) 2026 --
2. Tanmay Das, Ranjit Roy & Kamal Krishna Mandal Solving hybrid high voltage AC-DC optimal reactive power dispatch problem using JAYA algorithm International Journal of Measurement: Digitilization, November 2025, In Press (Elsevier Publications) (Link: https://www.sciencedirect.com/science/article/pii/S3050644125000179) 2025 --
3. Tanmay Das, Ranjit Roy & Kamal Krishna Mandal Evolutionary computation based wind energy integrated multi-objective optimal reactive power dispatch and economic load dispatch problem International Journal of Computers & Electrical Engineering, Volume 127, Part B, October 2025, 110587 (Elsevier Publications) (Link: https://www.sciencedirect.com/science/article/pii/S0045790625005300?dgcid=author) 2025 4.9
4. Tanmay Das, Ranjit Roy & Kamal Krishna Mandal The application of Arithmetic Optimization Algorithm in solving the optimal reactive power dispatch problem International Journal of Measurement: Digitilization, Volumes 2-3, September 2025, 100004 (Elsevier Publications)(Link:https://www.sciencedirect.com/science/article/pii/S3050644125000040) 2025 --
5. Tanmay Das, Ranjit Roy & Kamal Krishna Mandal Modelling and Optimization of a FACTS devices operated Multi-Objective optimal reactive power dispatch (ORPD) problem Minimizing both Operational Cost and Fuel Emissions International Journal of Sustainable Computing: Informatics and Systems, Volume 46, Part B, June 2025 (Elsevier Publications) (Link: https://www.sciencedirect.com/science/article/abs/pii/S2210537925000241) 2025 5.7
6. Anirban Chowdhury, Ranjit Roy, & Kamal Krishna Mandal Sustainability and Capacity Estimation of Photovoltaic Based Distribution Network Integrated with Demand Response Using Arithmetic Optimizer Algorithm Iranian Journal of Science and Technology, Transactions of Electrical Engineering, Volume 48, Issue 4, December 2024 (Springer Publications) (Link: https://link.springer.com/article/10.1007/s40998-024-00762-6 ) 2024 1.7
7. Anirban Chowdhury, Ranjit Roy, & Kamal Krishna Mandal Enhancement of technical, economic & environmental benefits in multi-point PV & wind-based DG integrated radial distribution network using Aquila optimizer International Journal of Expert Systems with Applications, Volume 252, Part B, 15 October 2024 (Elsevier Publications) (Link: https://www.sciencedirect.com/science/article/abs/pii/S0957417424011734) 2024 7.5
8. Anirban Chowdhury, Ranjit Roy, & Kamal Krishna Mandal Benefit analyses of radial networks by optimal allocation of charging station, vehicle charging-discharging distribution & pricing using the Jaya Algorithm International Journal of Electric Power Components and Systems, Accepted for Publications (Taylor & Francis Publication) 2024 1.5
9. Anirban Chowdhury, Ranjit Roy, & Kamal Krishna Mandal Enhancement of Technical, Economic and Environmental Benefits of RDN Using Jaya Algorithm Considering Renewables Uncertainties International Journal of Electric Power Components and Systems, (Taylor & Francis Publication) (Link: https://doi.org/10.1080/15325008.2024.2303066 ) 2024 1.5
10. Tanmay Das, Ranjit Roy & Kamal Krishna Mandal Optimal Reactive Power Dispatch problem integrating probabilistic model of wind power for uncertainties in load using JAYA algorithm, International Journal of Ambient Energy, vol. 45, 2024. (Taylor & Francis Publication) (Link:https://www.tandfonline.com/doi/abs/10.1080/01430750.2024.2304721) 2024 1.2
11. Tanmay Das, Ranjit Roy & Kamal Krishna Mandal Solving the cost minimization problem of optimal reactive power dispatch in a renewable energy integrated distribution system using rock hyraxes swarm optimization International Journal of Electrical Engineering, 27th June, 2024. (Springer Publications) (Link: https://doi.org/10.1007/s00202-024-02548-9 ) 2024 1.7
12. Ranjit Roy, Tanmay Das, & Kamal Krishna Mandal Optimal reactive power dispatch using a novel optimization algorithm International Journal of Electrical Systems and Information Technology, Volume 8, Pages 1-24. ( Springer Publication) (Link: https://link.springer.com/article/10.1186/s43067-021-00041-y ) 2021 3.1
13. Tanmay Das, Ranjit Roy & Kamal Krishna Mandal Impact of the penetration of distributed generation on optimal reactive power dispatch International Journal of Protection and Control of Modern Power Systems volume 5, Pages 1-26. ( IEEE Journal Publication) (Link: https://ieeexplore.ieee.org/abstract/document/10371376 ) 2020 11.0
14. Chandrakant Rathore, Ranjit Roy Impact of wind uncertainty, plug-in-electric vehicles and demand response program on transmission network expansion planning International Journal of Electrical Power & Energy Systems, Elsevier publications. 2015 5.2
15. Manisha Govardhan, Ranjit Roy Economic Analysis of Unit Commitment with Distributed Energy Resources International Journal of Electrical Power & Energy Systems, Elsevier publications. 2015 5.2
16. Manisha Govardhan, Ranjit Roy Generation scheduling in smart grid environment using global best artificial bee colony algorithm International Journal of Electrical Power & Energy Systems, Volume 64, January 2015, Pages 260-274, Elsevier publications. 2015 5.2
17. H.T. Jadhav, Ranjit Roy Optimal power flow solution of power system incorporating stochastic wind power using Gbest guided artificial bee colony algorithm International Journal of Electrical Power & Energy Systems, Volume 64, January 2015, Pages 562-578, Elsevier publications. 2015 5.2
18. Chandrakant Rathore, Ranjit Roy A novel modified GBMO algorithm based static transmission network expansion planning International Journal of Electrical Power & Energy Systems, Volume 62, November 2014, Pages 519-531, Elsevier publications. 2014 5.2
19. H.T. Jadhav, Ranjit Roy Effect of turbine wake on optimal generation schedule and transmission losses in wind integrated power system Sustainable Energy Technologies and Assessments, Volume 7, September 2014, Pages 123-135, Elsevier publications. 2014 8.0
20. Khyati D. Mistry, Ranjit Roy Impact of demand response program in wind integrated distribution network Electric Power Systems Research, Volume 108, March 2014, Pages 269-281, Elsevier publications. 2014 3.9
21. Khyati D. Mistry, Ranjit Roy Enhancement of loading capacity of distribution system through distributed generator placement considering techno-economic benefits with load growth International Journal of Electrical Power & Energy Systems, Volume 54, January 2014, Pages 505-515, Elsevier publications. 2014 5.2
22. H.T. Jadhav, Ranjit Roy Gbest guided artificial bee colony algorithm for environmental/economic dispatch considering wind power Expert Systems with Applications, Volume 40, Issue 16, 15 November 2013, Pages 6385-6399, Elsevier publications. 2013 8.5
23. H.T. Jadhav, Ranjit Roy A comprehensive review on the grid integration of doubly fed inductiongenerator International Journal of Electrical Power & Energy Systems, Volume 49, July 2013, Pages 8-18, Elsevier publications. 2013 5.2
24. Praghnesh Bhatt, S.P. Ghoshal, Ranjit Roy Coordinated control of TCPS and SMES for frequency regulation of interconnected restructured power systems with dynamic participation from DFIG based wind farm Renewable Energy, Volume 40, Issue 1, April 2012, Pages 40-50, Elsevier publications. 2012 8.7
25. Praghnesh Bhatt, Ranjit Roy, S.P. Ghoshal Comparative performance evaluation of SMES–SMES, TCPS–SMES and SSSC–SMES controllers in automatic generation control for a two-area hydro–hydro system International Journal of Electrical Power & Energy Systems, Volume 33, Issue 10, December 2011, Pages 1585-1597, Elsevier publications. 2011 5.2
26. Praghnesh Bhatt, Ranjit Roy, S.P. Ghoshal Dynamic participation of doubly fed induction generator in automatic generation control Renewable Energy, Volume 36, Issue 4, April 2011, Pages 1203-1213, Elsevier publications. 2011 8.7
27. Mahavir Zala, H.T. Jadhav, Ranjit Roy Application of STATCOM to enhance the power quality of grid containing induction generator based wind farm Int. Journal on Recent Trends in Engineering and Technology, vol. 5, no. 2, pp. 26-29, 2011, Elsevier publications. 2011 --
28. Praghnesh Bhatt, S.P. Ghoshal, Ranjit Roy Load frequency stabilization by coordinated control of Thyristor Controlled Phase Shifters and superconducting magnetic energy storage for three types of interconnected two-area power systems International Journal of Electrical Power & Energy Systems, Volume 32, Issue 10, December 2010, Pages 1111-1124, Elsevier publications. 2010 5.2
29. Praghnesh Bhatt, Ranjit Roy, S P Ghoshal Short term active power support from DFIG in association with SMES for automatic generation control of interconnected two-area restructured power system Electric Power Components and Systems, Taylor & Francis Accepted for publication 1.5
30. Praghnesh Bhatt, S P Ghoshal, Ranjit Roy Automatic Generation Control of Two-area Interconnected Hydro-Hydro Restructured Power System with TCPS and SMES Electrical and Power Engineering. vol. 1, no. 2, Academy Publishers, Finland 2010 ---
31. Parmar Hiren S, Vamsi Krishna K, Ranjit Roy Shunt Compensation for Power Quality Improvement using a STATCOM Controller Electrical and Power Engineering. vol. 1, no. 2 Academy Publishers, Finland 2010 ---
32. Ranjit Roy, Praghnesh Bhatt, S.P. Ghoshal Evolutionary computation based three-area automatic generation control Expert Systems with Applications, Volume 37, Issue 8, August 2010, Pages 5913-5924, Elsevier publications. 2010 8.5
33. Praghnesh Bhatt, Ranjit Roy, S.P. Ghoshal GA/particle swarm intelligence based optimization of two specific varieties of controller devices applied to two-area multi-units automatic generation control International Journal of Electrical Power & Energy Systems, Volume 32, Issue 4, May 2010, Pages 299-310, Elsevier publications. 2010 5.2
34. Praghnesh Bhatt, Ranjit Roy, S.P. Ghoshal Optimized multi area AGC simulation in restructured power systems International Journal of Electrical Power & Energy Systems, Volume 32, Issue 4, May 2010, Pages 311-322, Elsevier publications. 2010 5.2
35. Ranjit Roy, S.P. Ghoshal A novel crazy swarm optimized economic load dispatch for various types of cost functions International Journal of Electrical Power & Energy Systems, Volume 30, Issue 4, May 2008, Pages 242-253, Elsevier publications. 2008 5.2

National Journals:-

Sr. No. Authors Title of the paper Name of journal Year
1. Tanmay Das, Ranjit Roy, Kamal Krishna Mondal Comparative performance analysis of variants of Particle Swarm Optimization of Optimal Reactive Power Dispatch Journal of Power Research, Central Power Research Institute, Bangalore, vol. 15, issue. 1, pp. 16-24. June, 2019
2. Anirban Chowdhury, Ranjit Roy, Kamal Krishna Mondal Optimal single point injection of PV based DG maximizing technical, social, and environmental benefits in radial distribution systems using JAYA algorithm Journal of Power Research, Central Power Research Institute, Bangalore, vol. 15, issue. 1, pp. 39-45. June, 2019
3. Manisha Govardhan and Ranjit Roy Impact of Demand Response on Unit Commitment in Micro-grid Environment Journal of Central Power Research Institute, Bangalore, vol. 10, issue 1, pp. 87-100 March, 2014
4. Prashant Pandya and Ranjit Roy Reliable control strategy related to hybrid energy system for on-grid electrification of villages in weak-grid environment Journal of Central Power Research Institute, Bangalore, vol. 9, issue 1, pp. 9-18 March, 2013
5. Prashant Pandya and Ranjit Roy Wind-Fuel Cell Base Hybrid Energy System for On-Grid Electrification of villages Journal of Central Power Research Institute, Bangalore, vol. 8, issue 4, pp. 277-287 December, 2012
6. Tejas Vyas and Ranjit Roy DG placement in radial distribution network with reconfiguration Journal of Central Power Research Institute, Bangalore, vol. 8, issue 3, pp. 123-134 September, 2012
7. Tejas Vyas and Ranjit Roy Load flow study of a radial distribution network Journal of Central Power Research Institute, Bangalore, vol. 7, issue 1, pp. 101-114 2011
8. S. P. Ghoshal, Ranjit Roy Optimization of Proportional-Integral-Derivative gains by Evolutionary Programming in Fuzzy Based Automatic Generation Control Journal of Institution of Engineers, vol. 87, pp. 29-35. 2006
9. S. P. Ghoshal and Ranjit Roy A Comparative Study of Genetic Algorithm based Optimization and Particle Swarm Optimization in Economic Load Dispatch Journal of Institution of Engineers, vol. 87, pp. 3-9 2006
10. Ranjit Roy and S. P. Ghoshal Optimization of Auction based Bidding costs for deregulated power market Journal of Institution of Engineers, vol. 89, pp. 22-26 2008
11. Ranjit Roy and S. P. Ghoshal Optimized AGC Simulation for Multi-area Power Systems Journal of Institution of Engineers, vol. 89, pp. 29-35 2009

International Conferences:-

Sr. No. Author(s) Title of paper Name of Journals/* Conference Proceedings/ Vol. (No.) etc. Year of Publication ** PP
1 S.P. Ghoshal, S. Roy, and Ranjit Roy Hybrid Fuzzy based Automatic Generation Control 2nd Int. Conf. on Artificial Intelligence in Science and Technology 2004, The University of Tasmania, Hobart, Australia. (paper is available on www.ieeexplore.ieee.org.) 21st -25th November, 2004 221-226
2 Ranjit Roy, and S.P. Ghoshal Hybrid Genetic Algorithm / Particle Swarm Optimization – Fuzzy based Automatic Generation Control IASTED (The International Association of Science and Technology for Development) International Conference on Energy and Power Systems ( EPS2005), Krabi, Thailand (paper is available on www.ieeexplore.ieee.org.) 18-20th April, 2005 115-120
3 Ranjit Roy, and S.P. Ghoshal Application of Hybrid Evolutionary Programming and Hybrid Particle Swarm Optimization in Fuzzy Based Automatic Generation Control International Conference on Computer Applications in Electrical Engineering Recent Advances (CERA2005)" Indian Institute of Technology, Roorkee. (paper is available on www.ieeexplore.ieee.org.) 29th September-1st October, 2005 641-648
4 Ranjit Roy, and S.P. Ghoshal Swarm based Optimization of Bidding Cost for a System of GENCOS in a Deregulated Power Market International Conference on Power System Operation in Deregulated Regime (ICPSODR-2006), Banaras Hindu University (paper is available on www.ieeexplore.ieee.org.) 6-7th March, 2006 365-371
5 Ranjit Roy, and S.P. Ghoshal Evolutionary Computation Based Optimization in Fuzzy Automatic Generation Control 2006 IEEE Power India Conference, IEEE Power Engineering Society, IEEE Delhi Section. (paper will available on (www.ieeexplore.ieee.org) 10-12th April, 2006 paper id-088
6 Ranjit Roy, and S.P. Ghoshal A Novel Particle Swarm Optimized AGC for Restructured Three-Area Power System International Conference on Modeling & Simulation, University of Calcutta in association with AMSE: International Association for Modelling & Simulation Technique in Enterprise, France December 3rd -5th, 2007 In CD
7 S. P. Ghoshal and Ranjit Roy Evolutionary computation based comparative study of TCPS and CES control applied to automatic generation control 2008 IEEE Power India Conference, IEEE Power Engineering Society, IEEE Delhi Section. (paper is available on www.ieeexplore.ieee.org.) 12-15th October, 2008 1-6
8 Nimita A. Gajjar, and Ranjit Roy Voltage Sag Mitigation using DSTATCOM during faults in distribution system 18th Annual Symposium on Emerging Needs in Computing, Communication, Signals and Power, IEEE Bangalore Section 29th August, 2009 In CD
9 Praghnesh Bhatt, S. P. Ghoshal and Ranjit Roy Evolutionary computation based four-area automatic generation control in restructured environment International Conference on Power System (ICPS 2009), IIT Kharagpur. (paper is available on www.ieeexplore.ieee.org.) 27th -29th December, 2009 1-6
10 Praghnesh Bhatt, S. P. Ghoshal and Ranjit Roy Optimized Automatic Generation Control by SSSC and TCPS in coordination with SMES for Two area Hydro-Hydro Power system International Conference on advances in Computing, Control and Telecommunication Technologies (ACT 2009) (paper is available on www.ieeexplore.ieee.org.) December 28-29, 2009 474-480
11 Praghnesh Bhatt, Ranjit Roy and S. P. Ghoshal Load frequency stabilization of hydro dominated power system with TCPS and SMES in competitive electricity market 4th International Conference on Computer Applications in Electrical Engineering Recent Advances, Indian Institute of Technology, Roorkee. (paper is available on www.ieeexplore.ieee.org.) 19th -21st February, 2010 1-6
12 Praghnesh Bhatt, Ranjit Roy and S. P. Ghoshal Coordinated control of SSSC and SMES in competitive electricity market for load frequency control 11th International Conference on Probabilistic methods applied to Power Systems (PMAPS2010), Nanyang Technology University, Singapore. (paper is available on www.ieeexplore.ieee.org.) 2010 42-47
13 Praghnesh Bhatt, Ranjit Roy and S. P. Ghoshal Dynamic active power support by doubly fed induction generator for frequency control 11th International Conference on Probabilistic methods applied to Power Systems (PMAPS2010), Nanyang Technology University, Singapore. (paper is available on www.ieeexplore.ieee.org.) 2010 131-136
14 Parmar Hiren S, Vamsi Krishna K, Ranjit Roy Shunt compensation for power quality improvement using a STATCOM controller International Conference on Control, Communication and Power Engineering 2010. 28th July, 2010 In CD
15 Praghnesh Bhatt, S. P. Ghoshal and Ranjit Roy Automatic generation control of two-area interconnected hydro-hydro restructured power system with TCPS and SMES International Conference on Control, Communication and Power Engineering 2010. 28th July, 2010 In CD
16 Praghnesh Bhatt, S. P. Ghoshal, Ranjit Roy, and S. Ghoshal Load frequency control of interconnected restructured power system along with DFIG and coordinated operation of TCPS-SMES IEEE PEDES 2010 and 2010 Power India Conference, IIT Delhi. (paper is available on www.ieeexplore.ieee.org.) 21st -23rd December, 2010 In CD
17 Khyati Mistry and Ranjit Roy Enhancement of voltage stability index of distribution system by network reconfiguration including static load model and daily load curve Innovative Smart Grid Technologies - India (ISGT India), 2011 IEEE PES, vol.17, no.22, (paper is available on www.ieeexplore.ieee.org.) Dec. 2011 1-3
18 Mistry, Khyati D and Ranjit Roy Load flow solution for ill-condition radial distribution network including static load model and daily load values In IEEE 10th International Conference on Environment and Electrical Engineering (EEEIC), 2011 (paper is available on www.ieeexplore.ieee.org.) 2011 1-4
19 Prajapati, Khyati and Ranjit Roy A novel method for distribution system reconfiguration including static load models and daily load curve In IEEE 2nd International Conference on Electric Power and Energy Conversion Systems (EPECS), 2011 (paper is available on www.ieeexplore.ieee.org.) 2011 1-5
20 Bhatt, Praghnesh, Ranjit Roy, and S. P. Ghoshal Dynamic Contribution of DFIG along with SMES for load frequency control of interconnected restructured power system In IEEE, 10th International Conference on, Environment and Electrical Engineering (EEEIC), 2011 (paper is available on www.ieeexplore.ieee.org.) 2011 1-5
21 Jadhav, H. T., M. Bhatia, and Ranjit Roy An application of craziness based shuffled frog leaping algorithm for wind-thermal generation dispatch considering emission and economy In IEEE 10th International Conference on, Environment and Electrical Engineering (EEEIC), 2011(paper is available on www.ieeexplore.ieee.org.) 2011 1-4
22 Jadhav, H. T., J. Patel, U. Sharma, and Ranjit Roy An elitist artificial bee colony algorithm for combined economic emission dispatch In IEEE 2nd International Conference on Computer and Communication Technology (ICCCT), 2011 2011 640-645
23 Jadhav, H. T., and R. Roy Economic load dispatch of a power system with wind energy using craziness based shuffled frog leaping algorithm incorporating wind power In IEEE PES International Conference on Innovative Smart Grid Technologies-India (ISGT India), 2011 (paper is available on www.ieeexplore.ieee.org.) 2011 23-27
24. Jadhav, H. T., Ananya Deb, and Ranjit Roy A craziness based differential evolution algorithm for thermal-wind generation dispatch considering emission and economy with valve-point effect. In IEEE 10th International Conference on, Environment and Electrical Engineering (EEEIC), 2011 (paper is available on www.ieeexplore.ieee.org.) May 2011 1-5
25. Jadhav, H.T. and Ranjit Roy "A critical review on the grid integration issues of DFIG based wind farms," In IEEE 10th International Conference on, Environment and Electrical Engineering (EEEIC), 2011 vol.1, no.4, (paper is available on www.ieeexplore.ieee.org.) May 2012 8-11
26. Jadhav, H. T., Utkarsh Sharma, Jay Patel, and Ranjit Roy "Gbest guided artificial bee colony algorithm for emission minimization incorporating wind power." In IEEE 10th International Conference on, Environment and Electrical Engineering (EEEIC), 2011 (paper is available on www.ieeexplore.ieee.org.) May 2012 1064-1069
27. Mistry, K., V. Bhavsar, and Ranjit Roy. GSA based optimal capacity and location determination of distributed generation in radial distribution system for loss minimization. In IEEE 10th International Conference on, Environment and Electrical Engineering (EEEIC), 2011 (paper is available on www.ieeexplore.ieee.org.) May 2012 513-518
28. Jadhav, H. T., Yaman Dalal, Harsh N. Bhandari, and Ranjit Roy. Plant growth simulation algorithm for fuel cost minimization with emission limit and wind power In IEEE 10th International Conference on, Environment and Electrical Engineering (EEEIC), 2011 (paper is available on www.ieeexplore.ieee.org.) May 2012 1075-1080
29. Vijayan, Rinu J., Subrahmanyam Ch, and Ranjit Roy. Dynamic modeling of microgrid for grid connected and intentional islanding operation. In IEEE International Conference on Advances in Power Conversion and Energy Technologies (APCET), 2012 (paper is available on www.ieeexplore.ieee.org.) 2012 1-6
30. Govardhan, M. D., and R. Roy. Artificial Bee Colony based optimal management of microgrid In IEEE 11th International Conference on Environment and Electrical Engineering (EEEIC), 2012 (paper is available on www.ieeexplore.ieee.org.) 2012 334-339
31. Jadhav, H. T., Drishti Chawla, and Ranjit Roy. Modified learning based algorithm for economic load dispatch incorporating wind power." In IEEE 11th International Conference on, Environment and Electrical Engineering (EEEIC), 2012 (paper is available on www.ieeexplore.ieee.org.) 2012 397-402
32. Jadhav, H. T., Harsh Bhandari, Yaman Dalal, and Ranjit Roy. Economic load dispatch including wind power using plant growth simulation algorithm." In IEEE 11th International Conference on, Environment and Electrical Engineering (EEEIC), 2012 (paper is available on www.ieeexplore.ieee.org.) 2012 388-393
33. Chandrakant Rathore, Ranjit Roy, Shubham Raj, and Ankit Kumar Sinha. Mosquitoes-behaviour based (MOX) evolutionary algorithm in static transmission network expansion planning In IEEE International Conference on Energy Efficient Technologies for Sustainability (ICEETS), 2013 (paper is available on www.ieeexplore.ieee.org.) 2013 1006-1011
34. Chandrakant Rathore and Ranjit Roy Impact of distributed generation in transmission network expansion planning problem. In IEEE International Conference on Energy Efficient Technologies for Sustainability (ICEETS), 2013 (paper is available on www.ieeexplore.ieee.org.) 2013 1-6
35. Chandrakant Rathore and Ranjit Roy Load uncertainty based transmission network expansion planning. In IEEE 3rd International Conference on Electric Power and Energy Conversion Systems (EPECS), 2013 (paper is available on www.ieeexplore.ieee.org.) 2013 1-6
36. Chandrakant Rathore, Ranjit Roy, Utkarsh Sharma, and Jay Patel Artificial Bee Colony Algorithm based static transmission expansion planning. In IEEE International Conference on Energy Efficient Technologies for Sustainability (ICEETS), 2013 (paper is available on www.ieeexplore.ieee.org.) 2013 1126-1131
37. Jadhav, H. T., Shubham Raj, and Ranjit Roy Solution to economic emission load dispatch problem using modified artificial bee colony algorithm. In IEEE 3rd International Conference on Electric Power and Energy Conversion Systems (EPECS), 2013 (paper is available on www.ieeexplore.ieee.org.) 2013 1-6
38. Govardhan, Manisha, and Ranjit Roy Profit based unit commitment using Gbest Artificial Bee Colony algorithm In IEEE 3rd International Conference on Electric Power and Energy Conversion Systems (EPECS), 2013 (paper is available on www.ieeexplore.ieee.org.) 2013 1-6
39. Manisha Govardhan and Ranjit Roy Impact of Demand side management on unit commitment problem In IEEE International Conference on International conference on control, instrumentation, energy and communication (CIEC14), Kolkata (paper is available on www.ieeexplore.ieee.org.) Feb 2nd - 4th, 2014 446-450
40. Manisha Govardhan, Mukund Mishra, Shubham Sundeep and Ranjit Roy Solution of price based unit commitment using GABC and TLBO optimization Algorithms In IEEE International Conference on International conference on control, instrumentation, energy and communication (CIEC14), Kolkata (paper is available on www.ieeexplore.ieee.org.) Feb 2nd - 4th, 2014 667-671
41. Chandrakant Rathore, Shubham Raj, Ankit Kumar Sinha and Ranjit Roy Improved-Mosquitoes-Behaviour Based (I-MOX) Evolutionary Algorithm in Transmission Network Expansion Planning In IEEE International Conference on International conference on control, instrumentation, energy and communication (CIEC14), Kolkata (paper is available on www.ieeexplore.ieee.org.) Feb 2nd - 4th, 2014 538-543
42. Chandrakant Rathore, Shubham Sundeep, Mukund Mishra and Ranjit Roy Transmission Expansion Planning Considering Environmental Issue In IEEE International Conference on International conference on control, instrumentation, energy and communication (CIEC14), Kolkata (paper is available on www.ieeexplore.ieee.org.) Feb 2nd - 4th, 2014 451-456
43. Khyati Mistry and Ranjit Roy TLBO based optimal placement of DG in Radial Distribution Systems IEEE TENCON 2014, 22-25th October 2014, Bangkok, Thailand (paper will be available on www.ieeexplore.ieee.org.) 22-25th October 2014 In CD
44. Fenil Master, Manisha Govardhan and Ranjit Roy Economic Analysis of Different demand response programs on unit commitment IEEE TENCON 2014, 22-25th October 2014, Bangkok, Thailand (paper will be available on www.ieeexplore.ieee.org.) 22-25th October 2014 In CD
45. Mukul Dixit and Ranjit Roy Impact of PEVs on automatic generation control using TLBO algorithm IEEE international conference on signal processing, informatics, communication and energy systems at NIT Calicut, India. (paper will be available on www.ieeexplore.ieee.org.) 19th-21st February, 2015 In CD
46. Chandrakant Rathore and Ranjit Roy Transmission network expansion planning considering pumped-storage unit IEEE international conference on signal processing, informatics, communication and energy systems at NIT Calicut, India. (paper will be available on www.ieeexplore.ieee.org.) 19th-21st February, 2015 In CD
47. Mukul Dixit and Ranjit Roy PSO-CFA based optimal placement of EVs in radial distribution network for loss minimization IEEE international conference on electrical, computer and communication technologies at SVS college of engineering Coimbatore, India. (paper will be available on www.ieeexplore.ieee.org.) 5th-7th March, 2015 In CD
48. Chandrakant Rathore and Ranjit Roy Gbest-guided artificial bee colony algorithm based static transmission network expansion planning (STNEP) IEEE international conference on electrical, computer and communication technologies at SVS college of engineering Coimbatore, India. (paper will be available on www.ieeexplore.ieee.org.) 5th-7th March, 2015 In CD
49. Sundaram Pandiya and Ranjit Roy Particle swarm optimization based optimal reactive power dispatch IEEE international conference on electrical, computer and communication technologies at SVS college of engineering Coimbatore, India. (paper will be available on www.ieeexplore.ieee.org.) 5th-7th March, 2015 In CD
50. Chirag A Patel, Khyati Mistry and Ranjit Roy Loss allocation in radial distribution system with multiple DG placement using TLBO IEEE international conference on electrical, computer and communication technologies at SVS college of engineering Coimbatore, India. (paper will be available on www.ieeexplore.ieee.org.) 5th-7th March, 2015 In CD
51. Anirban Chowdhury, Ranjit Roy, K.K. Mandal & S. Mondal A comprehensive review on distribution system International Conference on Modeling & Simulation(MS-17), HHI.Kolkata. Organized by Calcutta University. (paper will be available on www.springer.com) 4-5th November, 2017 In CD
52. Anirban Chowdhury, Ranjit Roy & K.K. Mandal Cost modelling, sizing and multi-point allocation of solar powered DG using multi-objective Cuckoo Search via Lévy Flights considering economic, technical and environmental impacts along with voltage stability International Conference on Computer, Electrical & Communication Engineering 2018, Techno India University, Kolkata. (paper will be available on www.ieeexplore.ieee.org.) 18-19th January, 2018. In CD
53. Anirban Chowdhury, Ranjit Roy & K.K. Mandal Comparative study of single and multiple point renewable energy based DG allocation considering improvement of voltage stability, economic and environmental factors using Jaya algorithm International Conference on Computer, Electrical & Communication Engineering 2018, Techno India University, Kolkata. (paper will be available on www.ieeexplore.ieee.org.) 18-19th January, 2018. In CD
54. Tanmay Das, Ranjit Roy Optimal Reactive Power Dispatch using JAYA Algorithm International Conference on Emerging trends in Electronics Devices and The Computational Technique (EDCT 2018). Technically Co-Sponsored by IEEE Kolkata Section, Kolkata. (paper will be available on www.ieeexplore.ieee.org.) 8-9th March, 2018. In CD
55. Tanmay Das, Ranjit Roy A critical review on Optimal Reactive Power Dispatch International Conference on Emerging trends in Electronics Devices and The Computational Technique (EDCT 2018). Technically Co-Sponsored by IEEE Kolkata Section, Kolkata. (paper will be available on www.ieeexplore.ieee.org.) 8-9th March, 2018. In CD
56. Tanmay Das, Ranjit Roy, K.K. Mandal, Souren Mondal, Soumaymoy Mondal, Paresh Hait, Moloy Kumar Das Optimal reactive power dispatch incorporating solar power using Jaya Algorithm. International Conference on Computational Advancement in Communication, Circuits and Systems (ICCACCS 2018). Technically Co-Sponsored by Springer. 23-24th November, 2018 In CD
57 Anirban Chowdhury, Ranjit Roy, K.K. Mandal, Soumyajit Bhattacharya, Priynakar Biswas and Sayani Nandi. Comparison of improvement in technical, commercial and environmental benefits by optimal single, twin and triple point deterministic PV-based DG injection by Jaya Algorithm. International Conference on Computational Advancement in Communication, Circuits and Systems (ICCACCS 2018). Technically Co-Sponsored by Springer. 23-24th November, 2018 In CD
58 Tanmay Das, Ranjit Roy & K.K. Mandal Optimal Reactive Power Dispatch based on Modified JAYA Algorithm International Conference on Computer, Electrical & Communication Engineering, Techno India University, Kolkata. (paper will be available on www.ieeexplore.ieee.org.) January, 2020. CD
59 Anirban Chowdhury, Ranjit Roy, K.K. Mandal Optimal allocation of wind based DG for enhancement of technical, economic & social benefits using Cuckoo Search Algorithm for radial distribution networks International Conference on Computer, Electrical & Communication Engineering, Techno India University, Kolkata. (paper will be available on www.ieeexplore.ieee.org.) 17th -18th January, 2020. In CD
60 Tanmay Das, Ranjit Roy, K.K. Mandal Optimal Reactive Power Dispatch for Voltage Security using JAYA Algorithm International Conference on Convergence to Digital World- Quo Vadis (ICCDW-2020), organized by IEEE Bombay Section. (paper will be available on www.ieeexplore.ieee.org.) 18th -20th February, 2020 In CD
61 Anirban Chowdhury, Ranjit Roy, K.K. Mandal Optimal allocation of wind based DG for enhancement of technical, economic & social benefits using Jaya Algorithm for radial distribution networks International Conference on Convergence to Digital World- Quo Vadis (ICCDW-2020), organized by IEEE Bombay Section. (paper will be available on www.ieeexplore.ieee.org.) 18th -20th February, 2020 In CD
62 Ranjit Roy, Anirban Chowdhury, K.K. Mandal Techno-socio-economic benefits using CS algorithm in radial distribution IEEE India Council International Sub-Sections Conference (INDISCON 2020), organized by IEEE Vizag Section. (paper will be available on www.ieeexplore.ieee.org.) 3rd -4th October, 2020 In CD
63 Sangeeta DebBarman, Ranjit Roy, Kumari Namrata Application of JAYA Algorithm in Active Power Loss Reduction in Distribution System IEEE 2022 International Conference for Advancement in Technology, (ICONAT2022), organized by IEEE Bombay Section. (paper will be available on www.ieeexplore.ieee.org.) 21st -22nd January, 2022 In CD
64. Sangeeta DebBarman, Ranjit Roy, Kumari Namrata Minimization of Active Power losses in a distribution network with capacitor placement using JAYA Algorithm. IEEE International Conference on Power, Control, and Computing Technologies (ICPC2T2022), organized by National Institute of Technlogy, Raipur. 1st -3rd March, 2022 In CD
65. Tanmay Das, Ranjit Roy, K.K. Mandal Flamingo Search Algorithm for solving the cost-effective multi-objective optimal reactive power dispatch problem 5th IEEE India Council International Conference (INDISCON 2024), organized by Punjab Engineering College, Chandigarh 22nd -24th August, 2024 In CD
66. Anirban Chowdhury, Ranjit Roy, K.K. Mandal Demand Response based Techno-Socio-Economic Improvements with Time-Varying Incentives at DN using Cuckoo Search Algorithm 2024- IEEE International Conference on Intelligent Systems, Smart and Green Technologies (ICISSGT – 2024), organized by IEEE Vizag Bay Section 2nd – 3rd November, 2024 In CD
66. Aarti Chauhan, Tulika Kakkar, Ranjit Roy From Traditional Records to Digital Health Platforms: A New Era in Healthcare IEEE 2nd International Conference on Artificial Intelligence for Innovations in Healthcare Industries, ICAIHI 2025. 4th -5th December, 2025
Link: Click here
December, 2025 CD
68. Aarti Chauhan, Tulika Kakkar, Ranjit Roy AI-Powered Diagnostic Tools: Enhancing Accuracy and Reducing Human Error in Healthcare IEEE 2nd International Conference on Artificial Intelligence for Innovations in Healthcare Industries, ICAIHI 2025. 4th -5th December, 2025
Link: Click here
December, 2025 CD
69. Rahul A Comprehensive December CD
Goswami, Ranjit Roy, K.K. Mandal Review of Machine Learning Techniques for Enhancing Energy Efficiency in Renewable Integrated Smart Grids 2025 International Conference on Power Electronics & Energy (ICPEE 2025), 14th -16th December, 2025.
Link: Click here
, 2025
70 Rahul Goswami, Ranjit Roy, K.K. Mandal Elastic Synergy: A Hybrid Price–Incentive Framework for Peak-Shaving and Utility Profit

Optimization in Residential Demand Response
4th IEEE International Conference on Power Electronics Smart Grid and Renewable Energy, December 18-21, 2025
IIT Dharwad, Hubli, Karnataka, India
December, 2025 CD
71 Deepika Yadav, Ranjit Roy, Himanshu Raj, Tahiti Roy Leveraging Open-Source Tool in Smart Grid and Micro Grid Research: Opportunities and Challenges 6th International Conference on Electric Power and Renewable Energy (EPREC-2026), Department of Electrical Engineering, IIT Bhilai, India, 2nd -4th January, 2026.
Link: IEEE Xplore
January, 2026 CD
72 Rahul Goswami, Ranjit Roy, K.K. Mandal Elasticity-Driven Hybrid Demand Response with Rooftop PV: Enhancing End-User Profitability and Peak Reduction in Residential Smart Grids 11th IEEE International Students’ Conference on Electrical, Electronics and Computer Science, SCEECS 2026, MANIT, Bhopal, 31st January, 2026- 1st February, 2026 January, 2026 CD
73 Deepika Yadav, Ranjit Roy, Himanshu Raj, Tahiti Roy Integrated Optimization Framework for PV, EV, and Demand Response in Smart Homes 11th IEEE International Students’ Conference on Electrical, Electronics and Computer Science, SCEECS 2026, MANIT, Bhopal, 31st January, 2026- 1st February, 2026 January, 2026 CD
74 Tahiti Roy, Satish Kumar Dubey, Ranjit Roy Gender-Stratified Ensemble Learning for Enhanced Cardiovascular Disease Risk Prediction 11th IEEE International Students’ Conference on Electrical, Electronics and Computer Science, SCEECS 2026, MANIT, Bhopal, 31st January, 2026- 1st February, 2026 January, 2026 CD
75 Deepika Yadav, Ranjit Roy, Himanshu Raj, Tahiti Roy Integration of Electric Vehicles into Smart Grids: Review of Optimal Charging Station Location and Capacity Planning International Conference on Emerging Trends in Mathematical Sciences & Computing (IEMSC-26), Kolkata, 6th -8th February, 2026 February, 2026 CD

National Conferences:-

Sr. No Author(s) Title of paper Name of Journals/* Conference Proceedings/ Vol. (No.) etc. Year of Publication ** PP
1 S.P.Ghoshal, and Ranjit Roy Comparative of Genetic Algorithm and Particle Swarm Optimization for Economic Dispatch National Power System Conference 2004, Indian Institute of Technology, Madras 27th -30th December, 2004 574-578
2 Ranjit Roy, and S.P. Ghoshal GA/PSO Based Optimization of Bidding Costs for Deregulated Power Markets National Power System Conference 2006, Indian Institute of Technology, Roorkee 27th -30th December, 2006 In CD
3 Ranjit Roy, and S.P. Ghoshal Optimized AGC Simulator in Deregulated Power Markets National Power System Conference 2006, Indian Institute of Technology, Roorkee 27th -30th December, 2006 In CD
4 S.P.Ghoshal, and Ranjit Roy Bacteria Foraging Optimization based Four-Area Automatic Generation Control in Restructured Environment 3rd National Conference on Current trends in Technology (NUCONE 2008), Nirma University of Science & Technology, Ahmedabad 27th -29th November, 2008 In CD
5 Faizal M.F. Hafiz, Ranjit Roy, Rakesh Maurya and S.P. Ghoshal PSO Optimized Small Signal Stability Analysis of DFIG for WECS 3rd National Conference on Current trends in Technology (NUCONE 2008), Nirma University of Science & Technology, Ahmedabad 27th -29th November, 2008 In CD
6 V.A. Shah, Jivanadhar A Joshi, Ranjan Maheshwari, and Ranjit Roy Ultracapacitor technology and its applications Proc. Of 17th National Power System Conference 2012, Indian Institute of Technology, Bombay 16th -18th December, 2012 In CD
7 Ranjit Roy and Nimita A. Gajjar DSTATCOM as an effective solution to voltage sag problems during faults in power system 4th National Conference on Current trends in Technology (NUCONE 2009), Nirma University of Science & Technology, Ahmedabad 25th -27th November, 2009 In CD
8 Praghnesh Bhatt, S. P. Ghoshal, S. Ghoshal and Ranjit Roy Frequency control of interconnected two-area restructured power system along with wind power penetration by DFIG Proc. Of 16th National Power System Conference 2010, Osmania University, Hyderabad, India. 15th -17th December, 2010 In CD
9 Hiren S Parmar, Vamsi Krishna K, Ranjit Roy, and S.P. Ghoshal STATCOM-SMES system co-ordination in controlling power system dynamics Proc. Of 16th National Power System Conference 2010, Osmania University, Hyderabad, India. 15th -17th December, 2010 In CD, pp. 393-398
10 Khyati Mistry, and Ranjit Roy Application of Teaching Learning based optimization for size and location determination of distributed generation in radial distribution system Proc. Of 17th National Power System Conference 2012, Indian Institute of Technology, BHU, Varanasi 12th -14th December, 2012 In CD
11 Tanmay Das, and Ranjit Roy A novel algorithm for optimal reactive power dispatch. Proc. Of 20th National Power System Conference 2018, National Institute of Technology, Tiruchirappalli. 14th -16th December, 2018 In CD
12 Anirban Chowdhury, Ranjit Roy and Kamal Krishna Mandal Techno-socio-economic improvements due to optimal location of EV charging station at IEEE 22 bus using Cuckoo Search Algorithm Proc. Of 22nd National Power System Conference 2022, Indian Institute of Technology, Delhi 17th -19th December, 2022 In CD

Book Chapters:-

Sr. No. Title Book Title, editor & publisher ISSN / ISBN No.
1. A Comprehensive Review on Distribution System Modelling and Simulation in Science, Technology and Engineering Mathematics, Lecture Notes in Advances in Intelligent Systems and Computing, Page 133-143, Springer, 2018. 978-3-319-74808-5
2. Comparison of improvement in technical, commercial and environmental benefits by optimal single, twin and triple point deterministic PV-based DG injection by Jaya Algorithm. Computational Advancement in Communication Circuits and Systems, Lecture Notes in Electrical Eng., Vol. 575, Springer Nature, 2019. 1876-1100
3. Optimal reactive power dispatch incorporating solar power using Jaya Algorithm Computational Advancement in Communication Circuits and Systems, Lecture Notes in Electrical Eng., Vol. 575, Springer Nature, 2019. 1876-1100

Book Publications:-

Sr. No. Authors Title Publisher and Link ISSN / ISBN No.
Anirban Chowdhury, Ranjit Roy and Kamal Krishna Mandal Renewable Energy Systems: Designing the Next Generation of Sustainable Power Grids Eliva Press (A European Publishing House) 978-99993-2-471-7
2. Tanmay Das, Ranjit Roy and Kamal Krishna Mandal Meta-Heuristic Optimization for Sustainable Reactive Power Dispatch LAP Lambert Academic Publishing (A European Publishing House) 978-620-8-44005-3
3. Tulika Kakkar, Ranjit Roy and Kamal Krishna Mandal Digital Healthcare Transformation in Rural Haryana, India Infrastructure, Impact, and Future Pathway Eliva Press (A European Publishing House) 978-99993-3-787-8

Sponsored Projects Handled:-

Name of the Project Funding agency Amount in Rs. Worked as Project Status
Variable Speed Wind Energy Conversion System for Domestic Use The Institution of Engineers (India) 2,00,000 Principal Investigator Completed
From Stethoscopes to Smartphones: Examining the Impact of Digital Transformation on Healthcare through e-Aushadhi Application in Southeast Villages of Haryana HSCC (India) Limited (A Government of India Enterprise) 10,99,701 Principal Investigator Completed
Assessing the Impact of Smart Grid Data Analytics on Demand Response and Economic Viability for Residential Buildings in India HSCC (India) Limited (A Government of India Enterprise) 54,91,255 Principal Investigator Completed
Sustainable Smart Village: AI-Controlled Hybrid Storage Solutions for Rural Microgrids HSCC (India) Limited (A Government of India Enterprise) 52,62,800 Principal Investigator Ongoing

Patents:-

Sr. No. Title Applicants Application Number Publication date
1. System and Method for Four-Stage Sustainability Optimization in PV and EV Integrated Networks Ranjit Roy, Anirban Chowdhury, Tahiti Roy 202511126580 A
(Indian Patent)
23.01.2026
(Status: Published)
2. Method and system for selecting a balanced operating condition in renewable energy integrated power Ranjit Roy, Tanmay Das, Tahiti Roy 202611019679
(Indian Patent)
Filed
3. System and method for prescription-driven healthcare resource optimization Tulika Kakkar, Ranjit Roy, Aarti Chauhan 202611031957
(Indian Patent)
Filed
4. A closed-loop intelligent energy management system for coordinated control of PV, EV, and demand response Ranjit Roy, Deepika Yadav, Himanshu Raj, Tahiti Roy 202611038311
(Indian Patent)
Filed
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