Sensorless Low Switching Frequency Explicit Model Predictive Control of Induction Machines fed by Neutral Point Clamped Inverter

Matias Jofre, Ana M. Llor, Cesar A. Silva

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

IEEE This paper proposes an explicit predictive current control scheme implemented with a low carrier frequency PWM on an induction machine fed by a 3L-NPC inverter. The PWM carrier and the main current sampling frequency are both set to 1 kHz, resulting in a 500 [Hz] average switching frequency per device, which is very suitable for large drive applications. The explicit predictive control is introduced to optimise the available bandwidth provided by such a low sampling frequency, maximizing the dynamic performance. The strategy has been tested in a 2.2 kW induction motor experimental prototype.
Original languageEnglish
JournalIEEE Transactions on Industrial Electronics
DOIs
Publication statusPublished - 1 Jan 2018

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