Bhim Singh (Principal Investigator) and V Rajagopal (Co-inventor) “A Hydro System” 345/DEL/2013 dated 07 Feb 2013 (Indian Patent)
Bhim Singh and V. Rajagopal “Neural-Network Based Integrated Electronic Load Controller for Isolated Asynchronous Generators in Small Hydro Generation,” IEEE Transactions on Industrial Electronics, vol-58, no. 9, pp. 4264-4274, 2011. (ISSN: 0278-0046 and Impact Factor: 5.32)
Rajagopal, Bhim Singh and Gaurav Kumar Kasal “Electronic Load Controller with Power Quality Improvement of Isolated Induction Generator for Small Hydro Power Generation,” The Institution of Engineering and Technology (IET-Renewable Power Generation) Journal, vol-5, no. 2, pp. 202-213, August 2011. (ISBN: 978-1-84919-493-8 and Impact Factor: 2.16)
Rajagopal and Bhim Singh “Instantaneous Symmetrical Component Theory Based Voltage and Frequency Controller for Isolated Small Hydro Power Generation,” Journal ofElectric Power Components and Systems (Taylor and Francis), Vol. 39, Issue 4, pp. 1-20, January 22, 2011. (ISSN: 15325008 and Impact Factor: 1.6)
Bhim Singh and V. Rajagopal “Battery Energy Storage Based Voltage and Frequency Controller for Isolated Pico Hydro System,” Journal of Power Electronics, 2009, 874-883, vol.9, no.6, Nov. 2009. (ISSN: 15982092 and Impact Factor: 1.36)
Bhim Singh and V. Rajagopal “Integrated Electronic Load Controller with T- Connected Transformer for Isolated Asynchronous Generator,” Asian Power Electronics Journal, 74-79, vol.4, no.2, Aug. 2010. . (ISBN: 978-1-4673-6006 and Impact Factor: 1.16)
Rajagopal and Bhim Singh “Decoupled Electronic Load Controller for Offgrid Induction Generators in Small Hydro Power Generation” International Journal of Emerging Electric Power Systems (Berkeley Press) Vol. 12, Issue 1 Article 4 pp 1-14, March 6, 2011. (ISBN: 978-1-62808-981-3 and Impact Factor: 1.41)
Bangarraju, V.Rajagopal and A.Jayalaxmi “Mitigation of Voltage Sag and Swell Using Battery Based Dynamic Voltage Restorer”, UACEE International Journal of Advancements in Electronics and Electrical Engineering, vol. 2, no. 3, pp. 1-5,August 2013. (ISSN 2319 – 7498 and Impact Factor: 1.11)
Bangarraju, V.Rajagopal and A.Jayalaxmi “DSP Algorithm based Enhanced Phase Locked Loop Scheme for DSTATCOM”, Asian Power Electronics Journal (APEJ_2014-06-0440), pp. 86-92, vol. 8, No. 3, Dec 2014
Bangarraju, V. Rajagopal and A. Jayalaxmi “Power Quality Enhancement using Power balance theory based DSTATCOM”, Advances in Electrical and Electronics Engineering (AEEE) Journal, vol.14, no.1, pp. 1-10, March 2016. (ISSN 1804-3119 and Impact Factor: 0.86)
Pragathi, V. Rajagopal, Fazal Noorbasha and J.Bangarraju “Power Quality Improvement for Grid Inter connected Solar PV System using Neural Network Control Algorithm”, International Journal of Power and Energy Conversion (Inderscience) (DOI: 10.1504/IJPEC.2017.10008480)
Bangarraju, V.Rajagopal and A.Jayalaxmi “Mitigation of PQ Disturbances using Unit-Template Control Algorithm based DSTATCOM, Asian Power Electronics Journal, Vol. 11, No. 1, July 2017.
Bangarraju, V. Rajagopal, Sabha Raj Arya and B Subhash “Enhancement of PQ using Adaptive Theory based Improved Linear Tracer Sinusoidal Control Strategy for DVR”, Journal of Green Engineering, Vol. 7, pp. 189–212, August 2017.
Rajagopal, V. Nagamalleswari, Papia Rai, Sabha Raj Arya and J. Bangarraju “Reduced Switch Technique for Solar PV System based Multilevel Inverter for PQ Improvement” International Journal of Emerging Electric Power Systems (IJEEPS.2018.0012.R2) (accepted for Publication on 30 Aug 18).
Bhim Singh and V. Rajagopal “Decoupled Solid State Controller for Asynchronous Generator in Pico-Hydro Power Generation,” IETE Journal of Research, 139-145, vol.56, no.3, May/Jun. 2010. (ISSN-0970-1664and Impact Factor: 1.21)
Bhim Singh and V. Rajagopal “SRF Theory Based Control of an Electronic Load Controller for an Isolated Asynchronous Generator Driven by Uncontrolled Pico Hydro Turbine,” Journal of System Science & Engineering (JSSE), 2010. 19, no. 1, pp. 29-35 (ISSN 0927 5032 and Impact Factor: 1.08)
Bhim Singh and V. Rajagopal “Integrated electronic load controller for power quality improvement of isolated asynchronous generator in small-hydro power generation”, Journal ofInstitution of Engineers (India) 92, pp. 3-10, September 2011. (ISSN: 2250-2491 and Impact Factor: 1.61)
Bangarraju, V. Rajagopal and A. Jayalaxmi “Unit Template Synchronous Reference Frame Theory Based Algorithm for DSTATCOM”, Springer:Journal of the Institution of the Engineers, vol. 95, no. 2, pp. 135-141, July 2014. (ISSN 2250-2106 and Impact Factor: 1.61)
Bangarraju, V. Rajagopal and A. Jayalaxmi “Performance of Four-leg VSC based DSTATCOM using Single Phase P-Q Theory”, Springer: Journal of the Institution of the Engineers, vol. 98, no.1, pp. 65-76, February 2017. (ISSN 2250-2106 and Impact Factor: 1.61)
Rajagopal, Sabha Raj Arya, J.Bangarraju, Sanjay K. Patel and V. Nagamalleswari “Admittance Based Algorithm of Dynamic Voltage Restorer for Improved Power Quality”, the Journal of CPRI vol. 13, no. 2, pp. 375, June 2017.