Universal System for Detection and Compensation of Current Sensor Faults in Three-Phase Power Electronic Systems
 
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Department of Electrical Machines, Drives and Measurements, Wroclaw University of Science and Technology, 50-370 Wroclaw, Poland
 
 
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Kamila Anna Jankowska   

Wroclaw Uniwersity of Science and Technology
 
 
Power Electronics and Drives 2022;7 (42):267-278
 
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ABSTRACT
The article discusses the universal current sensor fault detection and compensation mechanism, which can be applied in three- phase power electronics (PE) symmetrical system. The mechanism is based on the assumption that a symmetrical system can be described using different components in the stationary reference frame. The solution given in article as a Cri-base detector was tested in electrical drives with induction motors (IMs) and permanent magnet synchronous motors (PMSMs). This study also proves that the same algorithm can work stable in active rectifier systems. Such an application of this detector has not been previously reported in the literature. The article describes the detection of various types of faults in different phases. The fault-tolerant voltage-oriented control (FTVOC) of an active rectifier is compared with previously described solutions for IMs and PMSMs. By analysing in various types of systems, the work proves the universality of the detector based on Cri markers.
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