R. K. Behera and S. P. Das, "Improved direct torque control of induction motor with dither injection," Sadhana Journal, vol. 33, part. 5, October 2008, pp. 537-550.
Y. Y. Kolhatkar and S. P. Das, "Experimental Investigation of a Single Phase UPQC with Minimum VA Loading," IEEE Transactions on Power Delivery, vol. 22, no. 1, pp.373-380, Jan. 2007.
M. Basu, S. P. Das, and G. K. Dubey, "Comparative Evaluation of Two Models of UPQC for Suitable Interface to Enhance Power Quality," Journal of Electric Power Systems Research, vol 77, issue 7, pp. 821-830, May 2007.
S. Behera, S. P. Das, and S. R. Doradla, "Quasi-Resonant Inverter-Fed Direct Torque Controlled Induction Motor Drive," Journal of Electric Power Systems Research, vol.77, issue 8, pp. 946-955, June 2007. 5
R. K. Behera and S. P. Das, "Analysis and Experimental Investigation for Switching Frequency Characterization of a Three-level AC-DC Converter using Frequency Domain Approach," IET Power Electronics, vol. 4, issue 8, pp. 936-942, September 2011.