Performance Evaluation of Fault-Tolerant Neutral-Point-Clamped Converters

Ceballos, Salvador; Pou, Josep; Robles, Eider; Zaragoza, Jordi; Martín, José Luis Martín

doi:10.1109/tie.2009.2026710

Cited by 109 publications

(48 citation statements)

References 23 publications

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“…Even though the complexity is increased, the output waveform is effectively maintained after a failure occurs in one phase. A promising method in [29] has minor modification of the standard topology shown in Fig. 1; it utilizes fuses which are installed in series with the diodes D 1 and D 2 to disconnect diode legs, then the circulation of fault current is stopped when a short circuit happens.…”

Section: A Post-fault Reconfiguration Methods In Mlismentioning

confidence: 99%

“…Redundant components [23], [24] and forth leg-based methods [25]- [28] are not cost effective since in MLIs, a large number of additional components is required. For the effective method in [29], complex circuitry and additional components are necessary to isolate the failed device or fault current circulation pass.…”

Section: A Post-fault Reconfiguration Methods In Mlismentioning

confidence: 99%

“…The forth-leg-based (FLB) method [25]- [28] has a redundant phase leg, which is not cost effective. The method of utilizing fuses to isolate a faulty device (FUI) [29] has many of add-on components, complex control and extra stress on the remaining healthy devices. The faulty cell isolation method [30], [31] requires additional components installed in each unit cell which is not cost effective, and remaining healthy devices in reconfigured condition will have more voltage stress; also, since this method is only applicable to MLIs which contain unit cells, it is not applicable to NPC inverters.…”

Section: B Summary: Comparing the Proposed Methods With State-of-the-artmentioning

confidence: 99%

See 2 more Smart Citations

Reconfiguration of NPC Multilevel Inverters to Mitigate Short Circuit Faults Using Back-to-Back Switches

2018

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Section: A Post-fault Reconfiguration Methods In Mlismentioning

confidence: 99%

Section: A Post-fault Reconfiguration Methods In Mlismentioning

confidence: 99%

Section: B Summary: Comparing the Proposed Methods With State-of-the-artmentioning

confidence: 99%

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Reconfiguration of NPC Multilevel Inverters to Mitigate Short Circuit Faults Using Back-to-Back Switches

2018

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“…Due to this fact, those solutions are not well suited to working in grid-connected applications. In [18], an attempt to overcome this problem is made. Fig.…”

Section: B Hardware Solutions 1) Three-legged Topologiesmentioning

confidence: 99%

Survey on Fault Operation on Multilevel Inverters

Lezana

Pou

Meynard

et al. 2010

IEEE Trans. Ind. Electron.

334

148

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Abstract-This paper is related to faults that can appear in multilevel (ML) inverters, which have a high number of components. This is a subject of increasing importance in high-power inverters. First, methods to identify a fault are classified and briefly described for each topology. In addition, a number of strategies and hardware modifications that allow for operation in faulty conditions are also presented. As a result of the analyzed works, it can be concluded that ML inverters can significantly increase their availability and are able to operate even with some faulty components.

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“…A work on multi-phase power converter drive for fault-tolerant machine development in aerospace application is presented in [4]. Recent FTC applications are found in [5], [6]. Depending upon how the redundancy is being utilized, FTC system design can be classified into two types:…”

Section: Introductionmentioning

confidence: 99%

Model prediction-based approach to fault-tolerant control with applications

Mahmoud

Khalid²

2013

IMA Journal of Mathematical Control and Information

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Abstract-Fault-tolerant control (FTC) is an integral component in industrial processes as it enables the system to continue robust operation under some conditions. In this paper, an FTC scheme is proposed for interconnected systems within an integrated design framework to yield a timely monitoring and detection of fault and reconfiguring the controller according to those faults. The unscented Kalman filter (UKF)-based fault detection and diagnosis system is initially run on the main plant and parameter estimation is being done for the local faults. This critical information is shared through information fusion to the main system where the whole system is being decentralized using the overlapping decomposition technique. Using this parameter estimates of decentralized subsystems, a model predictive control (MPC) adjusts its parameters according to the fault scenarios thereby striving to maintain the stability of the system. Experimental results on interconnected continuous time stirred tank reactors (CSTR) with recycle and quadruple tank system indicate that the proposed method is capable to correctly identify various faults, and then controlling the system under some conditions.

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Performance Evaluation of Fault-Tolerant Neutral-Point-Clamped Converters

Cited by 109 publications

References 23 publications

Reconfiguration of NPC Multilevel Inverters to Mitigate Short Circuit Faults Using Back-to-Back Switches

Reconfiguration of NPC Multilevel Inverters to Mitigate Short Circuit Faults Using Back-to-Back Switches

Survey on Fault Operation on Multilevel Inverters

Model prediction-based approach to fault-tolerant control with applications

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