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The permanently growing number of electric drives with non-sinusoidal line currents has given increased interest in active power filters (APF), to avoid grid problems caused by harmonic distortions. In this paper, a novel direct current-space-vector control scheme (DCSVC) is presented for a three-level, neutral- point-clamped voltage-source inverter, which is employed as an active power filter. The...
The growing number of electric drives with non-sinusoidal line currents has given increased interest in active power filters (APF), to avoid grid problems caused by harmonic distortions. In this paper, a novel direct current-space-vector control scheme (DCSVC) is presented for a three-level, neutral-point-clamped voltage source inverter, which is employed as an active power filter. The proposed method...
In this paper, a space vector current controller for an induction motor drive system for vehicle applications is presented. The control method utilizes harmonic current components represented in a rotated coordinate system with chosen switching states from a switching table. The proposed current controller determines a set of space vectors with the sector selection and applies the selected vector...
A study of four-leg based fault-tolerant matrix converter is presented for remedial topological structures and control techniques against both open-faults and short-faults occurring in the AC-AC matrix converter drive based electric vehicles and propulsion systems. Topologies of the matrix converter drives with additional backup leg have been proposed to allow the matrix converter based drives for...
This paper proposes a space vector current controller for a brushless permanent magnet (PM) motor in electric and hybrid electric vehicles. The proposed current controller selects space vectors based on the sector selection under a three-level hysteresis comparator to decrease the current ripple. The proposed approach can improve the performance of a brushless PM drive such as the average switching...
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