2011 IEEE EUROCON - International Conference on Computer as a Tool 2011
DOI: 10.1109/eurocon.2011.5929205
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Cited by 17 publications
(9 citation statements)
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“…9 The additional components like Thyristors and relays in later case are avoided by using the other pair of healthy switches to bypass the module as presented in Figure 1D. 11 The modified three-phase active NPC structure is presented in Cordeiro et al 12 with inclusion of bidirectional switches. The efficient usage of the healthy switch is not possible, while the other two switches are in continual operation leading to degraded life span and efficiency.…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…9 The additional components like Thyristors and relays in later case are avoided by using the other pair of healthy switches to bypass the module as presented in Figure 1D. 11 The modified three-phase active NPC structure is presented in Cordeiro et al 12 with inclusion of bidirectional switches. The efficient usage of the healthy switch is not possible, while the other two switches are in continual operation leading to degraded life span and efficiency.…”
Section: Introductionmentioning
confidence: 99%
“…The basic single-phase NPC structure is made fault tolerant by replacing the clamping diodes with the active switching elements. 11 The modified three-phase active NPC structure is presented in Cordeiro et al 12 with inclusion of bidirectional switches. A hybrid single-phase fault-tolerant topology proposed in Madhukar and Sivakumar 13 is constructed by using a half-bridge two-level inverter, a three-level diode clamp inverter, and a bidirectional switch.…”
mentioning
confidence: 99%
“…11 Multicarrier Sine Pulse Width Modulation (SPWM) 12,13 is used for the inverter, and carrier reconfiguration is enabled to produce an efficient fault tolerance. An active neutral point clamped (ANPC) is proposed in Cordeiro et al 17 to make the inverter fault tolerant by introducing the switches in place of clamping diodes, and neutral point of ANPC is clamped using a relay or a 4-quadrant switch. A fault-tolerant design based on FC topology is proposed in Kou et al 15 with addition of Thyristors across each IGBT as a power switch module.…”
Section: Introductionmentioning
confidence: 99%
“…Using more switches for producing required number of voltage levels to add the redundancy is a major drawback. An active neutral point clamped (ANPC) is proposed in Cordeiro et al 17 to make the inverter fault tolerant by introducing the switches in place of clamping diodes, and neutral point of ANPC is clamped using a relay or a 4-quadrant switch. Under fault cases, relay or 4-quadrant switch is operated for isolating the branch consisting of faulted switch.…”
Section: Introductionmentioning
confidence: 99%
“…La confiabilidad de los convertidores de alta potencia resulta vital, por un lado para garantizar la operación de las aplicaciones en los que se utilizan, sobre todo en sistemas eléctricos; y por otro lado por la cantidad de energía involucrada, que en caso de fallas puede generar daños físicos considerables tanto a equipos como a personas (Yang et al, 2011a;Rodriguez et al, 2009;Yang et al, 2011b). Es por ello que el desarrollo de convertidores y técnicas de operación tolerantes a fallas es vital para un uso seguro en aplicaciones de altas potencias, a fin de garantizar el funcionamiento continuo a pesar de una falla (Kou et al, 2004;Welchko et al, 2004;Li y Xu, 2006;Ma et al, 2007;Cordeiro et al, 2011). El uso de topologías y convertidores en forma modular permite además la implementación de técnicas de control preventivo, el ciclado de componentes y la instalación de módulos de respaldo en caliente o hot-spare, para reemplazar una parte dañada sin detener la operación del convertidor, ni reducir sus prestaciones (Correa et al, 2006).…”
Section: Antecedentesunclassified