List of IEEE Standards/Guides

  1.  Sudhir Thakur (Chair), Manish Das (Vice-Chair), Hasnain Ashrafi, Sukumar Brahma, Dale Finney, Normann Fischer, Dale Frederickson, Juan Gers, Ramakrishna Gokaraju, .... (23 WG Members), Application of Out-of-Step Protection Schemes for Generators, IEEE Power & Energy Society, Jul 2020, https://resourcecenter.ieee-pes.org/technical-publications/technical-reports/PES_TP_TR79_PSRC_OOSTEP_070620.htm l
  2. Innocent Kamwa (Chair), Robert Thornton-Jones (Vice-Chair), Dinemayer Silva (Secretary), Martin Aten, Chavdar Ivanov, Eli Pajuelo, ...., Ramakrishna Gokaraju, ....., (24 Working Group Members), IEEE Std 1110™-2019 -- IEEE Guide for Synchronous Generator Modeling Practices and Parameter Verification with Applications in Power System Stability Analyses, IEEE Standards Association, Developed by the Electric Machinery Committee of the IEEE Power and Energy Society, November 2019. https://www.techstreet.com/ieee/standards/ieee-1110-2019?gateway_code=ieee&vendor_id=6209&product_id=2034298 

Selected Journal Papers

Google Scholar Profile. 

  1. Chandran, Sandhya; Gokaraju, Ramakrishna; Narendra, Krish;"An extended impedance-based fault location algorithm in power distribution system with distributed generation using synchrophasors," IET Gener. Transm. Distrib. 00, 1–12, December 2023. https://doi.org/10.1049/gtd2.13086 
  2. Bandi, Ravi Kumar; Mohapatra, Abheejeet; Gokaraju, Ramakrishna; Chakrbarti, Saikat; "Phase Angle-based Sub-Cycle Algorithm for High-Speed Digital Relaying of Transmission Lines," IEEE Transaction on Power Delivery, Paper No.: PESL-00236-2021.R2, March 2022 (Accepted).  https://doi.org/10.1109/TPWRD.2022.3158146
  3. Poudel, Bikash, Gokaraju, Ramakrishna, "Optimal Operation of SMR-RES Hybrid Energy System for Electricity & District Heating," IEEE Transactions on Energy Conversion, Paper No. TEC-00951-2020.R1, May 2021 (Accepted).  https://doi.org/10.1109/TEC.2021.3080698
  4. Poudel, Bikash, Gokaraju, Ramakrishna, "Small Modular Reactor (SMR) Based Hybrid Energy System for Electricity & District Heating," IEEE Transactions on Energy Conversion, Paper No. TEC-00610-2020.R2, April 2021 (Accepted). https://doi.org/10.1109/TEC.2021.3079400
  5. Poudel, Bikash, Joshi, Kalpesh, Gokaraju, Ramakrishna, "A Dynamic Model of Small Modular Reactor Based Nuclear Plant for Power System Studies," IEEE Transactions on Energy Conversion, vol. 35, no. 2, June 2020, pp. 977-985,  https://doi.org/10.1109/TEC.2019.2956707
  6. Ayer, Nripesh, Gokaraju, Ramakrishna, "Online Application of Local OOS Protection and Graph Theory for Controlled Islanding,"  IEEE Transactions on Smart Grid,  vo. 11, no. 3, May 2020, pp. 1822-1832,  https://doi.org/10.1109/TSG.2019.2943525
  7. Liu, Shenyi, Jin, Xingxing (Shane), Gokaraju, Ramakrishna, "High Speed Distance Relaying Using Least Error Squares Method and Testing with FPGA," IET Generation, Transmission & Distribution, vol. 13, Iss. 16, pp. 3591-3600, Accepted: May 22, 2019. https://doi-org.cyber.usask.ca/10.1049/iet-gtd.2019.0088
  8. Meghwani, Anju, Gokaraju, R., Srivastava, S.C., Chakrabarti, S., "Local Measurements based Backup Protection for DC Microgrids using Sequential Analyzing Technique," IEEE Systems Journal, pp. 1-12, Accepted: May 20, 2019. https://doi-org.cyber.usask.ca/10.1109/JSYST.2019.2919144
  9. Joshi, Kalpesh, Poudel, Bikash, Gokaraju, Ramakrishna, "Exploring Synergy Among New
    Generation Technologies—Small Modular Reactor, Energy Storage, and Distributed Generation: A Strong Case for Remote Communities," The ASME Journal of Nuclear Engineering and Radiation Science, vol. x, Accepted: September 9, 2019.
  10. Makwana, Yogesh, Bhalja, Bhavesh, Gokaraju, Ramakrishna, "Auto-correlation-based Islanding detection technique verified through hardware-in-loop testing," IET Generation, Transmission & Distribution, vol. 13, Iss. 17, pp. 3792-3802, Accepted: July  2019. https://doi-org.cyber.usask.ca/10.1049/iet-gtd.2018.6370
  11. Makwana, Yogesh, Bhalja, Bhavesh, Gokaraju, Ramakrishna, "Improvement in Recloser–Fuse Coordination Technique Based on Modification Factor," IEEE Systems Journal, pp. 1-10, Accepted: June 2019. https://doi-org.cyber.usask.ca/10.1109/JSYST.2019.2921840
  12. Karmacharya, Indra Man, Gokaraju, R., “Fault Location in Ungrounded Photovoltaic System Using Wavelets and ANN,” IEEE Transactions on Power Delivery, pp. 1-10, vol. 33, no. 2, April 2018.
  13. Jin, Xingxing (Shane), Gokaraju, R., Wierckx, R., Nayak, O. High Speed Digital Distance Relaying Scheme using FPGA and IEC 61850, IEEE Transactions on Smart Grid, vol. 9, no. 5, September 2018, pp. 4383-4393.
  14. Kang, D. and Gokaraju, R. A New Method for Blocking Third-Zone Distance Relays During Stable Power Swings, IEEE Transactions on Power Delivery, Accepted 16 January, 2016, vol. 31, no. 4, August 2016. pp 1836-1843. SJR - Q1.
  15. Chandrasekar, S. and Gokaraju, R. Dynamic Phasor Modeling of Type 3 DFIG Wind Generators (including SSCI Phenomenon) for Short Circuit Calculations, IEEE Transaction on Power Delivery, April 2015. pp 887-897.
  16. Zacharias, D. and Gokaraju, R.. Prototype of a Negative Sequence Turn-to-Turn Fault Detection Scheme for Transformers, IEEE Transaction on Power Delivery, Accepted 1 May, 2015. pp 1-8.
  17. Rai, D., Gokaraju, Ramakrishna, and Faried, S.O. Adaptive Control Using Constrained RLS and Dynamic Pole-shift Technique for TCSCs, IEEE Transactions on Power Delivery, 29 (1), February 2014, pp.224-234.
  18. Malhotra, U., Gokaraju, Ramakrishna. An Add-on Self Tuning Control System for a UPFC Application, IEEE Trans. on Industrial Electronics, vol. 61, no. 5, May 2014, pp. 2378-2388.
  19. Raman, S., Gokaraju, Ramakrishna, and Jain, A. An Adaptive Fuzzy Mho Relay for Generator Phase Backup Protection with Infeed from STATCOM, IEEE Transactions on Power Delivery, vol. 28, no. 1, January 2013, pp. 120-28.
  20. Shrestha, B., Gokaraju, Ramakrishna, and Sachdev, M.S. Out of Step Protection Using State Plane Trajectories Analysis, IEEE Transactions on Power Delivery, vol. 28, no. 2, April 2013, pp. 1083-1093.
  21. Pajuelo, E., Gokaraju, Ramakrishna, and Sachdev, M.S. Identification of Generator Loss of Excitation from Power Swing Conditions Using a Fast Pattern Classification Method, IET – Generation, Transmission & Distribution, vol. 7, no. 1, January 2013, pp. 24-36.
  22. Rai, D., Faried, S.O., Gokaraju, Ramakrishna and Edris, A. An SSSC-Based Hybrid Series Compensation Scheme Capable of Damping Subsynchronous Resonance, IEEE Transactions on Power Delivery, vol. 27 no. 2, April 2012, pp. 531-540.
  23. Rai, D., Faried, S.O., Gokaraju, Ramakrishna and Edris, A. Damping Inter-Area Oscillations using Phase Imbalanced Series Compensation Schemes, IEEE Transactions on Power Systems, 26(3), August 2011, 1753-1761.
  24. Elsamahy, M., Faried, S.O., Sidhu, T.S. and Gokaraju, Ramakrishna. Enhancement of the Coordination between Generator Phase Backup Protection and Generator Capability Curves in the Presence of a Midpoint STATCOM using Support Vector Machines, IEEE Transactions on Power Delivery, 26(3), July 2011, 1841-1853.
  25. Gokaraju, Ramakrishna and Malik, O.P. Adaptive PSS using a simple on-line identifier and linear pole-shift controller, Electric Power System Research, 80(4), April 2010, 406-416.
  26. Jalla, U., Gupta, C.P., Singh, G.K. and Gokaraju, Ramakrishna. PSO and ANN-based Fault Classification for Protective Relaying, IET Generation, Transmission and Distribution, Special Issue on Wide Area Monitoring, Protection and Control, 4(10, September), October 2010, 1197-1212.
  27. Paudyal, S., Gokaraju, Ramakrishna and Sachdev, M.S. Application of Equal Area Criterion Conditions in the Time Domain for Out-of-Step Protection, IEEE Transactions on Power Delivery, 25(2), April 2010, 600-609.
  28. Paujelo, E., Gokaraju, Ramakrishna and Sachdev, M.S. Strengths and Limitations of a New Phasor Estimation Technique to Reduce CCVT Impact in Distance Protection, Electric Power System Research, 80(4), April 2010, 417-425.
  29. Rai, D., Faried, S.O., Gokaraju, Ramakrishna and Edris, A.A. Hybrid Series Compensation Scheme Capable of Damping Subsynchronous Resonance, IET Generation, Transmission & Distribution, 4(3), March 2010, 456-466.
  30. Rai, D., Gokaraju, Ramakrishna, Faried, S.O. and Edris, A. Enhancement of Power System Dynamics Using Phase Imbalanced Series Compensation Concept, IEEE Transactions on Power Systems, 25(2), May 2010, 966-974.
  31. Billinton, R., Karki, B., and Gokaraju, Ramakrishna. Unit Commitment Risk Analysis of Wind Integrated Power Systems, IEEE Trans. on Power Systems, 20(2), May 2010, 930-939.
  32. Paudyal, S., Gokaraju, Ramakrishna, Sachdev, M.S., and Cheng, S. Out-of-Step Detection using Energy Equilibrium Criterion in Time Domain, Electric Power Components and Systems, Special Issue, 37(7), June 2010, 714-739.
  33. E. Pajuelo, Ramakrishna Gokaraju, M.S. Sachdev, "Phasor Estimation Technique to reduce the impact of coupling capacitor voltage transformer transients", IET Generation, Transmission & Distribution, Vol. 2, No. 4, July 2008, pp 588-599.
  34. R. Gokaraju and O.P. Malik, “Radial Basis Function Identifier and Pole-Shift Controller for Power System Stabilizer Application”, IEEE Transactions on Energy Conversion, Vol. 19, No. 4, December 2004, pp. 663-670.
  35. Gokaraju and O.P. Malik, “Implementation and Experimental Studies of a Self-Tuning PSS Using ADALINE-Identifier and Pole-Shift Controller”, Journal of Intelligent Systems, Freund & Pettman, England, Vol. 13, No. 4, October 2004, pp. 173-198.
  36. Gokaraju and N.D. Rao, “Adaptive Neuro-Fuzzy Inference System (ANFIS) for Volt/Var Control in Distribution Systems”, Electric Power Systems Research, Vol. 49, 1999, pp. 87-97.
  37. R. Gokaraju and N.D. Rao, “A Fuzzy Inference System to Assist the Operator in Reactive Power Control in Distribution Systems”, IEE Proceedings – Generation, Transmission and Distribution (C), Vol. 145, No. 2, March 1998, pp. 132-138.
  38. A. El-Metwally, N.D. Rao, O.P. Malik and R. Gokaraju. “Application of a Neural Network as an Integrated Excitation Controller”, Electric Power Systems Research, Vol. 42, No. 2, pp. 121-126.
  39. A. Mohamad, M.M. Mansour, S. El-Debeiky, K.G. Mohamad, N.D. Rao and R. Gokaraju, “Results of Egyptian Unified Grid Hourly Load Forecasting Using an Artificial Neural Network with Expert System Interface”, Electric Power Systems Research, Vol. 39, No. 3, 1996, pp. 171-177.
  40. P.K. Dash, A.C. Liew, S. Rahman and R. Gokaraju, “Building a Fuzzy Expert System for Electric Load Forecasting Using a Hybrid Neural Network”, Expert Systems with Applications, Vol. 9, No. 3, 1995, pp. 407-421.
  41. P. K. Dash, A.C. Liew and R. Gokaraju, “Power-Demand Forecasting Using a Neural Network with an Adaptive Learning Algorithm”, IEE Proceedings – Generation, Transmission and Distribution (C), Vol. 142, No. 6, 1995, pp. 560-568.
  42. P.K. Dash, R. Gokaraju, A.C. Liew and S. Rahman, “Fuzzy Neural Networks for Time-Series Forecasting of Electric Load”, IEE Proceedings – Generation, Transmission and Distribution (C), Vol. 142, No. 5, 1995, pp. 535-544.
  43. P.K. Dash, R. Gokaraju, A.C. Liew and S. Rahman, “An Improved Neural Network Approach for Weather Sensitive Short-Term Load Forecasting”, International Journal of Engineering Intelligent Systems, Vol. 2, No. 3, 1994, pp. 185-199.
  44. P.K. Dash, S. Dash, R. Gokaraju and S. Rahman, “Forecasting of a Load Time Series Using a Fuzzy Expert System & Fuzzy Neural Networks”, International Journal of Engineering Intelligent Systems, Vol. 1, No. 2, 1993, pp. 103-118.

Selected Conference Papers

  1. B. Poudel, K. Joshi, R. Gokaraju. An Approach to Assess Reliability of Offsite Power as a Site Selection Criteria for a Nuclear Power Plant, The Nuclear Future: Challenges and Innovation, 38th Annual Canadian Nuclear Society Conference/42 CNS/CAN Student Conference, June 3-6, 2018.
  2. K. Joshi, R. Gokaraju, "An Iterative Approach to Improve PV Hosting Capacity for a Remote Community", IEEE PES General Meeting, Portland, OR-USA, August 2018.
  3. D. Kang, R. Gokaraju. A New Method for Blocking Third Zone Distance Relays During Stable Power Swings, Transactions Paper Session, IEEE Power & Energy Society General Meeting, July 16-20, 2017.
  4. S. Jin, R. Gokaraju, E. Pajuelo.. FPGA Implementation of a Phaselet Method for High Speed Distance Relaying, Electric Power & Energy Conference (EPEC), Oct. 22-25, 2017, Saskatoon, Canada.
  5. J. Pannell, O. Larocque, R. Gokaraju.. Simplex Optimization Procedure for Tuning Damping Controller Parameters for Type III DFIG Wind Generators, Electric Power & Energy Conference (EPEC), Oct. 22-25, 2017, Saskatoon, Canada.
  6. T. Alzahawi, M.S. Sachdev, R. Gokaraju.. Time to Voltage Collapse Dependence of Load Shedding to Avoid Voltage Collapse, Electric Power & Energy Conference (EPEC), Oct. 22-25, 2017, Saskatoon, Canada.
  7. Zacharias, D. and Gokaraju, R. . Prototype of a Negative Sequence Turn-to-Turn Fault Detection Scheme for Transformers, IEEE Transactions Paper Presentation Session, IEEE PES General Meeting, Boston, U.S.A., July 17-21, 2016. SJR – Q1.
  8. Chandrasekar, S. and Gokaraju, R. . Dynamic Phasor Modeling of Type 3 DFIG Wind Generators (including SSCI Phenomenon) for Short Circuit Calculations, IEEE Transactions Paper Presentation Session, IEEE PES General Meeting, Denver, USA, July 26-30, 2015. SJR - Q1. pp 887-897. IEEE XPlore: http://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=6939685
  9. D. Fentie, J.C. Garcia, R. Gokaraju, S.O. Faried, EMT Model of the ‘Sen Transformer’ for Fault Analysis Studies, International Conference on Power Systems Transients, 15-18 June 2015, Cavtat, Croatia.
  10. Shrestha, B., Sharma, P., Gokaraju, R. Out-of-Step Protection Using the Analysis of Electrical Power Vs Speed Deviation in State Plane, Panel Paper, IEEE Innovative Smart Grid Technologies Conference, Copenhagen, Denmark, Oct. 6-9, 2013. pp. 1-5.http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6695490
  11. Pajuelo, E., Gokaraju, R. and Sachdev, M.S. . Coordination of Overexcitation Limiter, Field Overcurrent Protection and Generator Control, IEEE PES General Meeting, Minneapolis, USA, Paper No. 2010GM1560, Invited Panel Paper (Invitation to R. Gokaraju), IEEE Excitation Systems & Control Subcommittee, 1-7, July 25-29. (CD Rom). Premier Power Conference.
  12. S. Paudyal, R. Gokaraju, Out-of-Step Protection for Multi-Machine Power Systems Using Local Measurements, PowerTech Eindhoven, the Netherlands, 29 June – 2 July, 2015.
  13. Babiy, M., Gokaraju, R., Garcia, J.C. Turn-to-Turn Fault Detection in Transformers Using Negative Sequence Currents, Proceedings of the 2011 IEEE Electrical Power and Energy Conference, Winnipeg, Canada. 3-5 October 2011, pp. 1-6. (CD Rom). Premier IEEE Power Conference Canada. NSERC DG Funding.
  14. Rai, D., Faried, S.O., Gokaraju, R. and Edris, A. Impact of Imbalanced Phase Operation of SSSC on Damping Subsynchronous Resonance, Proceedings of the IEEE 2011 Power and Energy Society General Meeting, Detroit, Michigan, USA, (CD Rom). July 24-29, 2011, NSERC CGS Scholarship.
  15. Malhotra, U., Gokaraju, R. and Muthumuni, D. An Adaptive Supplementary Controller for a UPFC, International Conference on Power System Transients, Delft, The Netherlands, Paper No. 192, 1-6 (CD Rom). June 14-17, 2011, NSERC DG Funding.
  16. Gokaraju, R., Rai, D. and Gole, A.M. Model-Reference Adaptive Control of Power System Stabilizers Using Surrogate Type Modeling Concepts, National Power Systems Conference, Hyderabad, India, 1-6 (CD Rom). December 15-17, 2010, U of M Sabbbatical.
  17. Rai, D., Gokaraju, R. and Faried, S.O. Model Reference Adaptive Control of FACTS, National Power Systems Conference, Hyderabad, India, 1-6 (CD Rom). December 15-17, 2010.
  18. Elsamahy, M., Faried, S.O. and Gokaraju, R. Impact of Midpoint STATCOM on the Coordination between Generator Distance Phase Backup Protection and Generator Capability Curves, 2010 IEEE Power & Energy Society General Meeting (PES GM), Minneapolis, Minnesota USA, Paper No. 1138. July 25-29,2010.
  19. Pan, S., Rai, D., Faried, S.O. and Gokaraju, R. Damping Power System Oscillations Using a Hybrid Series Capacitive Compensation Scheme, IEEE Trondheim PowerTech 2011, Trondheim, Norway, (CD Rom). June 19-23, 2011, Shared NSERC DG Funding.
  20. Elsamahy, Faried, S.O., Sidhu, T.S. and Gokaraju, R. Impact of Midpoint SVC on the Generator Distance Phase Backup Protection, The Seventh International Conference on Electrical Engineering (ICEENG-7), Cairo, Egypt. May 27-29, 2010
  21. Karki, B., Billinton, R., Karki, R. and Gokaraju, R. Load Carrying Capability Of Wind Integrated Power Systems, North American Power Symposium, Calgary, AB, Canada, (CD Rom). Sep 28-30, 2008. Google Scholar (Citation Index): 4.
  22. Rai, D., Gokaraju, R., Faried, S.O. and Edris, A.A. A Novel Approach for Damping Subsynchronous Resonance Using a STATCOM, 15th National Power Systems Conference (NPSC), Indian Institute of Technology, Bombay, India, Paper No. Paper Id: 94, 1-6 (CD Rom). December 16-18, 2008. Google Scholar (Citation Index): 4.
  23. Rai, D., Gokaraju, R., Faried, S.O. and Edris, A.A. Damping Subsynchronous Resonance Using a STATCOM Operating in a Phase Imbalanced Mode, IEEE PES General Meeting, Calgary, AB, Canada, Paper No. 09GM0749, 1-8 (CD Rom). July 26-30, 2009. Google Scholar (Citation Index): 4.
  24. Paudyal., R. Gokaraju., M.S. Sachdev. “Out-of-Step Protection using the Equal Area Criterion in the Time-Domain,” IEEE Region 10 Conference (TENCON’08), Hyderabad, India. November 19-21, 2008. No. of pages: 6.

Patents

  1. Binod Shrestha, Ramakrishna Gokaraju, Apparatus and Method for Out-of-Step Protection Using the Analysis of Trajectories of Electrical Measurements in State Plane, Patent filed July 24, 2013 (Canada -- patent application serial number: 2783755, US patent application with serial number: 13/949,629, Australia patent application with serial number: 2012206985).
  2. Binod Shrestha, Parikshit Sharma, Ramakrishna Gokaraju, Methods and Apparatus for Detection of Transient Instability and Out-of-Step Conditions by State Deviation, USA Provisional Patent Application, May 6, 2013.
  3. Eli Pajuelo, Ramakrishna Gokaraju, Methods and Apparatus for Detecting Generator Faults, USA Provisional Patent Application, February 4, 2013.
  4. Dipendra Rai, Ramakrishna Gokaraju, Adaptive Control Technique for Transmission Line Control Devices to Handle Large Disturbance Scenarios, USA Provisional Patent Application, March 13, 2013.
  5. Ashu M. G Solo., Robert John Sarfi, Ramakrishna Gokaraju, Network Radiality in Reconfiguration of a Radial Power Distribution System Using a Matrix-Structured Knowledge-Based System. U.S.A. Patent #8,041,464, October 18, 2011.