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Proceedings ArticleDOI

Hextuple-inverter configuration for multilevel nine-phase symmetrical open-winding converter

TLDR
In this article, a modified single carrier five-level modulation (MSCFM) algorithm is developed and modulates each 2-level VSI as 5-level multilevel inverter (MLI).
Abstract
Hextuple-inverter configuration for multilevel nine-phase symmetrical open-winding DC converter is articulated in this work. Power modular unit consists of six classical three-phase voltage source inverters (VSI). Each VSI includes one bi-directional device (MOSFET/IGBT) per each phase and link to two capacitors for neutral connection. A modified single carrier five-level modulation (MSCFM) algorithm is developed and modulates each 2-level VSI as 5-level multilevel inverter (MLI). A set of test results is presented, which are observed from the model based developments in numerical simulation software's (Matlab/PLECS). The results always showed good conformity with the developed theoretical background under working conditions. The proposed converter found suited for (low-voltage/high current) electric vehicles, DC tractions and ‘More-Electric Aircraft’ applications.

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Citations
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Journal ArticleDOI

Selective harmonic elimination in a wide modulation range using modified Newton-raphson and pattern generation methods for a multilevel inverter

TL;DR: Analytical and simulation results prove the robustness and correctness of the technique proposed in this paper, and only exact solutions to the low-order harmonics elimination for Cascaded H-bridge inverter are reported for all modulation indices.
Journal ArticleDOI

An isolated/non-isolated novel multilevel inverter configuration for a dual three-phase symmetrical/asymmetrical star-winding converter

TL;DR: In this article, a novel isolated/non-isolated multilevel inverter configuration for a dual-three-phase star-winding converter was proposed, which fits the (lowvoltage/high-current) applications of medium-power, AC tractions and More-Electric Aircraft (MEA) propulsion systems.
Proceedings ArticleDOI

Investigation for Performances Comparison PI, Adaptive PI, Fuzzy Speed Control Induction Motor for Centrifugal Pumping Application

TL;DR: A comparison of various controllers for the flow rate control of the pumping system is discussed and fuzzy logic controller provides better performance than the conventional controllers.
Proceedings ArticleDOI

Transistor Clamped Five-Level Inverter using Non-Inverting Double Reference Single Carrier PWM Technique for photovoltaic applications

TL;DR: In this paper, a Transistor Clamped Five Level Inverter using Non-Inverting Double Reference Single Carrier PWM (NIDRSC PWM) Technique is presented.
Book ChapterDOI

Dual Six-Phase Multilevel AC Drive with Single Carrier Optimized Five-Level PWM for Star-Winding Configuration

TL;DR: This article presents new multilevel modulation strategy based on single carrier-based pulse-width modulation for dual six-phase (twelve-phase) symmetrical/asymmetrical star-end winding converter.
References
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Journal ArticleDOI

The age of multilevel converters arrives

TL;DR: In this paper, the most relevant characteristics of multilevel converters, to motivate possible solutions, and to show that energy companies have to bet on these converters as a good solution compared with classic two-level converters.
Journal ArticleDOI

An Industry-Based Survey of Reliability in Power Electronic Converters

TL;DR: In this article, a questionnaire survey was carried out to determine the industrial requirements and expectations of reliability in power electronic converters, and the survey was subjective and conducted with a number of high-profile semiconductor manufacturers, integrators, and users in the aerospace, automation, motor drive, utility power, and other industry sectors.
Journal ArticleDOI

Multiphase induction motor drives - : a technology status review

TL;DR: A detailed overview of the state-of-the-art in multiphase variable-speed motor drives can be found in this article, where the authors provide a detailed survey of the control strategies for five-phase and asymmetrical six-phase induction motor drives, as well as the approaches to the design of fault tolerant strategies for post-fault drive operation.
Journal ArticleDOI

Overview of Electric Motor Technologies Used for More Electric Aircraft (MEA)

TL;DR: The analysis suggests that the dual (or triple) three-phase PMAC motor drive may be a favored choice for general aerospace applications, striking a balance between necessary redundancy and undue complexity, while maintaining a balanced operation following a failure.
Proceedings ArticleDOI

Multi-star multi-phase winding for a high power naval propulsion machine with low ripple torques and high fault tolerant ability

TL;DR: In this article, an original multi-phase Surface Mounted Permanent Magnet (SMPM) machine designed for naval propulsion is proposed, which is equipped with a fractional-slot concentrated winding made up of four 3-phase windings each one being star-connected, each star being magnetically shifted by an angle of 15 degrees.
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