4

2014 Ui-Min Choi, June-Seok Lee, and Kyo-Beum Lee, "New Modulation Strategy to Balance the Neutral-Point Voltage for Three-Level Neutral-Clamped Inverter Systems," IEEE Transactions on Energy Conversion, vol. 29, no. 1, pp. 91-100, Mar. 2014.

3

2014 Hyun-Woo Sim, June-Seok Lee, and Kyo-Beum Lee, "On-line Parameter Estimation of Interior Permanent Magnet Synchronous Motor Using an Extended Kalman Filter," Journal of Electrical Engineering & Technology, vol. 9, no. 2, pp. 600-608, Mar. 2014.

2

2013 June-Seok Lee and Kyo Beum Lee, "Variable DC-Link Voltage Algorithm with a Wide Range of MPPT for a Two-String PV System," Energies, vol. 6, no. 1, pp. 58-78, Jan. 2013.

1

2012 June-Seok Lee, Hae-Gwang Jeong, and Kyo-Beum Lee, "Active damping for wind power systems with an LCL filters using a DFT," Journal of Power Electronics, vol. 12, no. 2, pp. 326-332, Mar. 2012.