Proceedings ArticleDOI
Fault detection and diagnosis of voltage source inverter using the 3D current trajectory mass center
V. Fernao Pires,Tito G. Amaral,João Martins +2 more
- pp 737-742
TLDR
In this paper, the authors used the inverter output currents to obtain a typical pattern in a 3D referential, which is used to detect and identify the faulty power switch.Abstract:
This paper investigates the use of the current trajectory mass center in a three dimensional referential. The proposed approach uses the inverter output currents. These currents are used to obtain a typical pattern in a three dimensional referential. According the fault type different patterns is obtained. In this way, with the proposed approach it is possible to detect and identify the faulty power switch In order to automatically identify the different patterns, it is used an algorithm to obtain a mass center of the 3D current trajectory. This results in a fast and reliable fault detection method. The applicability of the proposed technique, are confirmed through several simulation and experimental results.read more
Citations
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Journal ArticleDOI
Short-Circuit Fault Diagnosis for Three-Phase Inverters Based on Voltage-Space Patterns
TL;DR: A fault detection and isolation method for faulty metal-oxide-semiconductor field-effect transistors in a three-phase pulsewidth-modulated (PWM) voltage source inverter that can address the reliability problem of multilevel inverters in renewable electrical generation systems and can dramatically reduce the number of required sensors.
Proceedings ArticleDOI
Fault detection on multilevel power converter based on mass center of the voltage pattern
TL;DR: In this article, a new approach to detect and identify a faulty switch was proposed based on the mass center of the voltages patterns of the power converter output voltages, which is illustrated on a five-level cascaded H-bridge inverter.
Journal ArticleDOI
A Fast Classification Method of Faults in Power Electronic Circuits Based on Support Vector Machines
Jiang Cui,Ge Shi,Chunying Gong +2 more
TL;DR: This paper presents a fast fault classification method for power electronic circuits by using the support vector machine (SVM) as a classifier and the wavelet transform as a feature extraction technique.
Proceedings ArticleDOI
Power Transistor Fault Diagnosis in SRM Drives Based on Indexes of Symmetry
TL;DR: A new fault detection and diagnosis method for transistor faults in a SRM drive based on symmetry indexes that are created from the analysis of the currents patterns, presenting immunity to different mechanical conditions is presented.
Proceedings ArticleDOI
Fault detection and diagnosis of six-phase voltage source inverter using trajectory mass current center
TL;DR: In this article, a fault detection and diagnosis method for a six-phase voltage source inverter (VSI) is proposed based on an equivalent six dimension of a current trajectory mass center of the VSI output currents.
References
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