Online estimation of induction motor state space system using Recursive Least-Squares. - Bjarte Hoff; Waldemar Sulkowski (ICECS, 2010)

Tapping power from a microgrid based on a BtB converter. - Abnery Ortiz; Trond Ostrem; Waldemar Sulkowski (ISGT Europe, 2011)

A simple DC-link pre-charging method for three-phase voltage source inverters. - Bjarte Hoff; Waldemar Sulkowski (IECON, 2012)

Sensorless control with startup procedure and grid fault detection for three-phase VSI with LCL filter. - Bjarte Hoff; Waldemar Sulkowski (IECON, 2012)