Dr. K.R.M.N. Ratnayake

Department of Electrical & Electronic Engineering
University of Peradeniya, Sri Lanka.
nimal AT ee.pdn.ac.lk
+94-81-2393425

Research Publications

Ratnayake K. R. M. N., Murai Y., “A Novel Carrier PWM Scheme to Reduced Common-mode Voltage in Multi-Level Inverter”, The Transaction of The Institute of Electrical Engineers of Japan( A Publication of Industry Application Society), Vol. 120-D, No. 3, 200, pp.342-350.

Ratnayake K. R. M. N., Murai Y. Watanabe T., “A Novel PWM Scheme to Control Reduced Neural Point Voltage Variation in Three-Level Voltage Source Inverter”, IEEE-IAS’99 Conference Record, pp.1950-1955.

Ratnayake K. R. M. N., Murai Y., “A Novel PWM Scheme to Eliminate Common-mode Voltage in Three-Level Voltage Source Inverter”, IEEE-PESC’98 Conference Record, pp.269-274.

Ratnayake K. R. M. N., Murai Y., “Study of Leakage Current Reduction Techniques and Their Suitability for Three-Level High Power Inverter Applications”, IEEE-PESC’98 Conference Record, pp.1456-1462.

Ratnayake K. R. M. N., Isikawa H., Wang D., Yoshida M., Watanabe T., “Novel Hybrid Five Level Inverter”, IEEJ-IPEC’2000 Conference Record, pp.2025-2028.

Ratnayake K. R. M. N., Wang D., Yoshida M., Watanabe T., Murai Y., “Selective Harmonic Eliminated PWM Scheme for a Common-mode Voltage Minimized in Three-Level Voltage Inverter System”, IEEJ-IAS’99 Conference Record, 241( pp.81-86).

Ratnayake K. R. M. N., Abeyratne S.G., Murai Y., “Comparative Study of Device Losses and Stress in Resonant Power Converters”, The Publication of The Institute of Electrical Engineers of Japan , SPC-95-43.

Tokushima D., Ratnayake K. R. M. N., Isikawa H., Wang D ., “A Modified C-dump Soft Switched SRM Converter”, IEEJ-IPEC’2000 Conference Record.

Kularatna A.D.V.N., Ratnayake K. R. M. N., Hewawickrama S.B., Liyanage D.N., "Soft Microcontroller based power failure recorder for worst case power line monitoring", Proceedings of the PEMC'96 Conference (Budapest, Hungary), 2 - 4 September 1996, (Vol. 2) pp. 301 - 303.