Sensorless predictive DTC for the PM synchronous machine

Morales-Caporal, Roberto; Ordonez-Flores, Rafael; Bonilla-Huerta, Edmundo; Pacas, Mario

doi:10.1109/iemdc.2011.5994852

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Cited by 7 publications

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“…In the 90's ABB launched the first application utilizing DTC [3]. In later years, most of the research has been on predictive DTC, ( [4][5][6]), model predictive DTC [7,8] and multilevel DTC [9,10]. The DTC system itself is simple in its implementation, relying on switching tables -such as the one given in Table I for two-level inverter operation -and is based on hysteresis control.…”

Section: Introductionmentioning

confidence: 99%

Elimination of vector changes due to sector changes with DTC

Tolstoy

Larsson²,

Wallmark

et al. 2014

2014 16th European Conference on Power Electronics and Applications

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In this paper it has been investigated if there is a possibility to reduce the switching frequency for a two-level inverter by improving the direct torque control (DTC) algorithm by adding a non-switching condition when a new sector is entered. It is believed that the DTC switching table can be improved by adding a non-switching condition when sector change occurs. This will reduce the number of switching actions by up to 12 per electrical rotation without interfering with the electrical machine performance.

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