M. L. Heldwein

Power semiconductor switching losses experimental characterization system

A. D. Callegaro, M. S. Ortmann, S. A. Mussa, 2011, XI Brazilian Power Electronics Conference.

Three-Phase Adaptive Frequency Estimator with a Delayed Signal Cancellation Pre-Filter Under Heavily Distorted Grid Conditions

M. L. Heldwein, S. A. Mussa, E. F. C. Grabovski, 2019, 2019 IEEE 15th Brazilian Power Electronics Conference and 5th IEEE Southern Power Electronics Conference (COBEP/SPEC).

Variable-step DFT Algorithm to Speed Up Optimization Routines Applied to a Three-Phase Interleaved Vienna Rectifier

M. L. Heldwein, E. F. C. Grabovski, B. Bertoldi, 2019, 2019 IEEE 15th Brazilian Power Electronics Conference and 5th IEEE Southern Power Electronics Conference (COBEP/SPEC).

Five-level hybrid converter based on a Half-Bridge/ANPC cell

M. L. Heldwein, L. H. S. C. Barreto, S.A. Mussa, 2011, XI Brazilian Power Electronics Conference.

Evaluation of carrier-based PWM strategies for multi-state switching cells-based multilevel three-phase rectifiers

M. S. Ortmann, S. A. Mussa, M. L. Heldwein, 2011, XI Brazilian Power Electronics Conference.

Evaluation of semiconductor losses and efficiency in single-phase multilevel multistate switching cells based PFC rectifiers

M. L. Heldwein, S. A. Mussa, M. S. Ortmann, 2015, 2015 IEEE 13th Brazilian Power Electronics Conference and 1st Southern Power Electronics Conference (COBEP/SPEC).