M. P. Behera and P. K. Ray,"Single-phase grid integrated Photovoltaic inverter for harmonic and reactive power compensation", in 2015 Annual IEEE India Conference (INDICON), IEEE, New Delhi, India, March 2016, 10.1109/INDICON.2015.7443455       Inproceedings

S. D. Swain, P. K. Ray, and K. B. Mohanty,"Space vector modulated hybrid series active filter for harmonic compensation", in 2015 Annual IEEE India Conference (INDICON), IEEE, New Delhi, India, March 2016, 10.1109/INDICON.2015.7443578       Inproceedings

S. Mishra and P. K. Ray,"Power quality improvement with shunt active filter under various mains voltage using teaching learning based optimization", in 2015 2nd International Conference on Recent Advances in Engineering & Computational Sciences (RAECS), pp.1-6, IEEE, Chandigarh, India, April 2016, 10.1109/RAECS.2015.7453308       Inproceedings

P. K. Ray and S. Ekka,"BFO optimized automatic load frequency control of a multi-area power system", Handbook of Research on Computational Intelligence Applications in Bioinformatics, ch.16, pp.369-412, IGI Global 2016, 10.4018/978-1-5225-0427-6.ch016       Inbook

S. D. Swain, P. K. Ray, and K. B. Mohanty,"Space vector modulated hybrid series active filter for harmonic compensation", in 2015 Annual IEEE India Conference (INDICON), IEEE, New Delhi, India, March 2016, 10.1109/INDICON.2015.7443578       Inproceedings

P. K. Ray, S. Bengani, and G. Panda,"Estimation of power system frequency using a modified non-linear least square technique", in 2015 IEEE Power & Energy Society General Meeting, vol.july 26-30, 2015, IEEE, Denver, Colorado, USA, July 2015, 10.1109/PESGM.2015.7285908       Inproceedings

S. R. Mahapatra and P. K. Ray,"A fixed switching frequency adaptive sliding mode controller for shunt active power filter system", in TENCON 2014 - 2014 IEEE Region 10 Conference, IEEE, Bangkok, Thailand, January 2015, 10.1109/TENCON.2014.7022318       Inproceedings

S. Mishra and P. K. Ray,"Improvement of power quality using photovoltaic fed shunt power quality conditioner", International Journal of Power Electronics, vol.7, no.3-4, pp.261-275, Inderscience Publishers, March 2015, 10.1504/IJPELEC.2015.075443       Article

P. K. Ray and B. Subudhi,"Neuro-evolutionary approaches to power system harmonics estimation", International Journal of Electrical Power & Energy Systems, vol.64, pp.212-220, Elsevier, January 2015, 10.1016/j.ijepes.2014.07.035       Article

P. S. Puhan, P. K. Ray, and G. Panda,"A comparative analysis of shunt active power filter and hybrid active power filter with different control techniques applied for harmonic elimination in a single phase system", International Journal of Modelling, Identification and Control, vol.24, no.1, pp.19-28, Inderscience Publishers, September 2015, 10.1504/IJMIC.2015.071698       Article