Si/SiC hybrid 5-level active NPC inverter for electric aircraft propulsion drive applications

Fard, Majid T.; Abarzadeh, Mostafa; Noghani, Kiavash Askari; He, Jiangbiao; Al‐Haddad, Kamal

doi:10.23919/cjee.2020.000031

Cited by 19 publications

(2 citation statements)

References 30 publications

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“…Over the years, it has become clear that many multilevel converter topologies often have better performance parameters than the classic two-level converter, even at low voltage levels [5][6][7][8][9]. One of the most important features of these converters is high efficiency, which was not always an obvious fact with the greater number of semiconductor devices used in converters with a very high number of voltage levels [10][11][12]. The high efficiency of the converter is an essential parameter because due to low power losses, the converter's lifetime is longer, and the total cost of its operation is lower [13].…”

Section: Literature Reviewmentioning

confidence: 99%

Detailed Power Loss Analysis of T-Type Neutral Point Clamped Converter for Reactive Power Compensation

Zygmanowski

2022

Electronics

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The paper presents an analysis of power losses in a three-phase T-type neutral point clamped converter with insulated gate bipolar transistors. The paper’s main aim is to perform a detailed analysis of power losses in the converter operating as an active power filter. The study is based on the use of characteristics of semiconductor devices provided by the manufacturer in the module datasheet. Thanks to the analysis, it is possible to recognise the value of power losses, which facilitates the design of the converter cooling system. Identifying how power losses are distributed between the module switching devices is also possible. Power losses are shown as functions of the output current and module temperature. The analysis results were successfully verified by measuring power losses using a laboratory model of the converter with rated currents of 10 and 20 A. The obtained results indicate relatively low power losses and a relatively even distribution of power losses between the semiconductor devices. This is a superior feature of the three-level T-type neutral point clamped converter topology.

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Section: Literature Reviewmentioning

confidence: 99%

Detailed Power Loss Analysis of T-Type Neutral Point Clamped Converter for Reactive Power Compensation

Zygmanowski

2022

Electronics

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“…The interaction of modern power converters with the smart grid is a main issue regarding power quality aspects [12]. The use of multilevel power converters (ML) is increasingly preferred since they provide a high-quality output voltage with a lower harmonic content, a lower dV/dt, a lower switching frequency and consequently a higher efficiency [13]. The cascaded H-bridge (CHB), the flying capacitor (FC) and the neutralpoint-clamped (NPC) including its subtopology of active-NPC (ANPC) are the main types of conventional multilevel topologies [14].…”

Section: Introductionmentioning

confidence: 99%

Novel Five-Level ANPC Bidirectional Converter for Power Quality Enhancement during G2V/V2G Operation of Cascaded EV Charger

et al. 2021

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This paper presents a novel single-phase (SP) active-neutral point clamped (ANPC) five-level bidirectional converter (FLBC) for enhancing the power quality (PQ) during the grid-to-vehicle (G2V) and vehicle-to-grid (V2G) operation of an electric vehicle (EV) charger connected in series. This EV charger is based on a dual-active half-bridge DC-DC converter (DAHBC) with a high frequency isolation transformer. Unlike the comparable ANPC topologies found in literature, the proposed one has two more switches, i.e., ten instead of eight. However, with the addition of these components, the proposed multilevel converter not only becomes capable of properly balancing the voltage of the DC-link split capacitors under various step-changing conditions but it achieves a better efficiency, a lower stress of the switching devices and a more even distribution of the power losses. The resulting grid-tied ANPC-SPFLBC and DAHBC are accurately controlled with a cascaded control strategy and a single-phase shift (SPS) control technique, respectively. The simulation results obtained with MATLAB-SimPowerSystems as well as the experimental results obtained in laboratory validate the proposed ANPC-SPFLBC for a set of exhaustive tests in both V2G and G2V modes. A detailed power quality analysis carried out with a Fluke 43B alike demonstrates the good performance of the proposed topology.

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An Three-Level Active NPC Inverter Open-Circuit Fault Diagnosis Using SVM and ANN

Selvakumar

Muthukumaran

2022

Intelligent Sustainable Systems

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Si/SiC hybrid 5-level active NPC inverter for electric aircraft propulsion drive applications

Cited by 19 publications

References 30 publications

Detailed Power Loss Analysis of T-Type Neutral Point Clamped Converter for Reactive Power Compensation

Detailed Power Loss Analysis of T-Type Neutral Point Clamped Converter for Reactive Power Compensation

Novel Five-Level ANPC Bidirectional Converter for Power Quality Enhancement during G2V/V2G Operation of Cascaded EV Charger

An Three-Level Active NPC Inverter Open-Circuit Fault Diagnosis Using SVM and ANN

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