Deadtime impact on the small-signal output impedance of single-phase power electronic converters
Berg, Matias; Messo, Tuomas; Roinila, Tomi; Mattavelli, Paolo (2019-06-01)
Berg, Matias
Messo, Tuomas
Roinila, Tomi
Mattavelli, Paolo
IEEE
01.06.2019
Proceedings of the 20th IEEE Workshop on Control and Modeling for Power Electronics (COMPEL)
Julkaisun pysyvä osoite on
https://urn.fi/URN:NBN:fi:tuni-201912056637
https://urn.fi/URN:NBN:fi:tuni-201912056637
Kuvaus
Peer reviewed
Tiivistelmä
The deadtime is an important factor in the design of power-electronic converters in order to prevent shoot-through faults. The deadtime may also cause a voltage error and an undesired damping effect which, in turn, affect the converter stability. As most effects caused by the deadtime are highly nonlinear, conventional modeling techniques to analyze these effects cannot be straightforwardly applied. This paper proposes a novel frequency-domain approach to model the damping effect caused by the deadtime in single-phase half-bridge inverters. Hardware-in-the-loop (HIL) simulations and laboratory measurements are presented and used to demonstrate the effectiveness of the proposed method.
Kokoelmat
- TUNICRIS-julkaisut [16740]