A fault-tolerant T-Type multilevel inverter topology with soft-switching capability based on Si and SiC hybrid phase legs

He, Jiangbiao; Weise, Nathan; Katebi, Ramin; Wei, Lixiang; Demerdash, Nabeel A. O.

doi:10.1109/ecce.2016.7854678

Cited by 8 publications

(3 citation statements)

References 9 publications

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“…NP) to generate the additional zero voltage-level and control the NP current. This topology is also referred to as the transistor-clamped converter (TCC) [4,16] or the T-Type topology [17][18][19][20][21]. The NPP converter requires a HV-IGBTs or series connected MV-IGBTs for its upper and lower switches compared to its intermediate MV-IGBT switches.…”

Section: Introductionmentioning

confidence: 99%

Fundamental Circuit Topology of Duo-Active-Neutral-Point-Clamped, Duo-Neutral-Point-Clamped, and Duo-Neutral-Point-Piloted Multilevel Converters

Vahidinasab

Abarzadeh

Corzine

et al. 2019

IEEE J. Emerg. Sel. Topics Power Electron.

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Multilevel voltage-source converters are well-suited for power conversion applications demanding higher power density, reliability, efficiency, and power quality. An unremitting and persistent research for developing advanced multilevel converter topologies with improved characteristics, performance, modulation techniques, and control methods continues. This paper proposes duo-neutralpoint-clamped (D-NPC), duo-active-neutral-point-clamped (D-ANPC), and duo-neutral-point-piloted (D-NPP) multilevel voltage-sourced converter topologies. The D-NPC, D-ANPC, and D-NPP converters phase-leg is realized by adding low-frequency semiconductor power switches to their structures. This results in a substantial reduction in the number of the high-frequency pulse-widthmodulation (PWM) insulated-gate bipolar transistors (IG-BTs) and clamping passive devices including diodes as well as flying-capacitors (FCs). Moreover, a drastic abatement in the total voltage rating and total stored energy of the FCs within the D-ANPC topology is achieved compared to the classic ANPC configuration. The experimental results are provided for D-NPC, D-ANPC, and D-NPP converters to validate the feasibility of their topology and modulation method for control of the mul-tilevel converters.

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Section: Introductionmentioning

confidence: 99%

Fundamental Circuit Topology of Duo-Active-Neutral-Point-Clamped, Duo-Neutral-Point-Clamped, and Duo-Neutral-Point-Piloted Multilevel Converters

Vahidinasab

Abarzadeh

Corzine

et al. 2019

IEEE J. Emerg. Sel. Topics Power Electron.

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“…To enhance the reliability of the three-level converters, a few fault-tolerant converter topologies have been proposed [7]- [18]. First, the inherent fault-tolerant capability of the conventional NPC converter was investigated in [7].…”

Section: Section I Introductionmentioning

confidence: 99%

“…The second concern is that some of the IGBTs will encounter large voltage stress if there is a short-circuit fault in the seriesconnected adjacent switch on the same converter leg. Recently, another fault-tolerant topology for three-level T-Type NPC converter was developed and presented in [13], [17], and [18]. This four-leg fault-tolerant T-Type converter can tolerate any open-circuit faults and part of the short-circuit faults while maintaining rated voltage output at any fault scenarios.…”

Section: Section I Introductionmentioning

confidence: 99%

An Advanced Three-Level Active Neutral-Point-Clamped Converter With Improved Fault-Tolerant Capabilities

Katebi

Weise

2018

IEEE Trans. Power Electron.

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A resilient fault-tolerant silicon carbide (SiC) three-level power converter topology is introduced based on the traditional active neutral-point-clamped converter. This novel converter topology incorporates a redundant leg to provide fault tolerance during switch open-circuit faults and short-circuit faults. Additionally, the topology is capable of maintaining full output voltage and maximum modulation index in the presence of switch open and short-circuit faults. Moreover, the redundant leg can be employed to share load current with other phase legs to balance thermal stress among semiconductor switches during normal operation. A 25-kW prototype of the novel topology was designed and constructed utilizing 1.2-kV SiC metal-oxide-semiconductor field-effect transistors. Experimental results confirm the anticipated theoretical capabilities of this new three-level converter topology.

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PQ Analysis of T-VSI and ICT-VSI with Their Impacts on 3-P 3-W Utility System

Mangaraj¹,

Thakur²,

Mishra³

et al. 2022

Smart Technologies for Power and Green Energy

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A fault-tolerant T-Type multilevel inverter topology with soft-switching capability based on Si and SiC hybrid phase legs

Cited by 8 publications

References 9 publications

Fundamental Circuit Topology of Duo-Active-Neutral-Point-Clamped, Duo-Neutral-Point-Clamped, and Duo-Neutral-Point-Piloted Multilevel Converters

Fundamental Circuit Topology of Duo-Active-Neutral-Point-Clamped, Duo-Neutral-Point-Clamped, and Duo-Neutral-Point-Piloted Multilevel Converters

An Advanced Three-Level Active Neutral-Point-Clamped Converter With Improved Fault-Tolerant Capabilities

PQ Analysis of T-VSI and ICT-VSI with Their Impacts on 3-P 3-W Utility System

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