R.O.C. Lyra

An alternative isolated wind electric pumping system using induction machines

M. S. Miranda, R.O.C. Lyra, S. R. Silva, 1999 .

Induction generator-induction motor wind-powered pumping system

Miranda, R.O.C. Lyra, S. R. Silva, 1997 .

Reactive static compensator for wind electric pumping system using induction machines

M. S. Miranda, R.O.C. Lyra, S. R. Silva, 1997, 1997 IEEE International Electric Machines and Drives Conference Record.

Co-axial current transformer for test and characterization of high power semiconductor devices under hard and soft-switching

Thomas A. Lipo, B. J. Cardoso Filho, R.O.C. Lyra, 1999 .

Direct and indirect flux control of an isolated induction generator

R.O.C. Lyra, S. R. Silva, Porfírio Cabaleiro Cortizo, 1995, Proceedings of 1995 International Conference on Power Electronics and Drive Systems. PEDS 95.

Determination of the magnetic losses in induction motors based on the generalized Epstein test

B.J.C. Filho, R.O.C. Lyra, A.G. Torres, 2004, Conference Record of the 2004 IEEE Industry Applications Conference, 2004. 39th IAS Annual Meeting..

PWM converter for excitation of induction generators

R.O.C. Lyra, S. R. Silva, 2002 .

Simulation and analysis of induction machines with rotor asymmetries

C.C.M. Cunha, R.O.C. Lyra, B.C. Filho, 2005, IEEE Transactions on Industry Applications.