The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Switching Function Model-Based Fast-Diagnostic Method of Open-Switch Faults in Inverters Without Sensors
Abstract
A novel fast-diagnostic method for open-switch faults in inverters without sensors is proposed to improve the reliability of power electronic system in this paper. The presented method is achieved by analysis of switching function model of the inverter under both healthy and faulty conditions. Due to the different voltages endured by each power switch under healthy condition from open-switch faults in some cases, open-circuit faults can be detected by sensing the collector-emitter voltages of the lower power switches in each leg. The diagnostic scheme employs the simple hardware circuit to obtain indirectly the voltages of lower power switches and to get rid of high cost and complexity as a result of sensors. Also, this method minimizes the detection time and is available for the inverter faults in the systems with open-loop or closed-loop current control strategies. To ensure the effectiveness and reliability of the proposed diagnostic method, the rising-edge delays for switching signals are used to avoid misdiagnostic results because of the ON-OFF processes of power switches, and the delay durations are determined considering various factors. Simulation and experimental results validate the proposed scheme for detecting switch and leg open-circuit faults.
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Citations
Cites
Fault Diagnosis and Reconfiguration for Multilevel Inverter Drive Using AI-Based Techniques
Khomfoi, S., & Tolbert, L. M. (2007) · IEEE Transactions on Industrial Electronics · doi:10.1109/tie.2007.906994 · Cited by 284
Cited by
Survey of fault-tolerance techniques for three-phase voltage source inverters
Mirafzal, B. (2014) · IEEE Transactions on Industrial Electronics · doi:10.1109/tie.2014.2301712 · Cited by 440
Estima, J. O., & Marques Cardoso, A. J. (2013) · IEEE Transactions on Industrial Electronics · doi:10.1109/tie.2012.2188877 · Cited by 377
A New Approach for Real-Time Multiple Open-Circuit Fault Diagnosis in Voltage-Source Inverters
Estima, J. O., & Marques Cardoso, A. J. (2011) · IEEE Transactions on Industry Applications · doi:10.1109/tia.2011.2168800 · Cited by 298
Open-Circuit Fault Diagnosis in PMSG Drives for Wind Turbine Applications
Freire, N. M. A., Estima, J. O., & Marques Cardoso, A. J. (2013) · IEEE Transactions on Industrial Electronics · doi:10.1109/tie.2012.2207655 · Cited by 277
Jung, S.-M., Park, J.-S., Kim, H.-W., Cho, K.-Y., & Youn, M.-J. (2013) · IEEE Transactions on Power Electronics · doi:10.1109/tpel.2012.2212916 · Cited by 271
Metadata
- Authors
- An, Q.-T., Sun, L.-Z., Zhao, K., & Sun, L.
- Venue
- IEEE Transactions on Power Electronics
- Published
- 2011-01
- Volume
- 26
- Issue
- 1
- Pages
- 119-126
- ISSN
- 0885-8993 (ISSN-L)
- 1941-0107
- OpenAlex
- W2035777085
- Cited by
- 262
- References
- 1
- FWCI
- 9.22
- Type
- journal article
- Language
- en
- Open access
- closed
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- An, Q.-T., Sun, L.-Z., Zhao, K., & Sun, L. (2011). Switching Function Model-Based Fast-Diagnostic Method of Open-Switch Faults in Inverters Without Sensors. IEEE Transactions on Power Electronics. https://doi.org/10.1109/tpel.2010.2052472
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