Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Power Loss Modelling and Performance Comparison of Three-Level GaN-Based Inverters Used for Electric Traction

Arjun Sujeeth
,
Angelo Di Cataldo
* ,
Luigi Danilo Tornello
ORCID logo ,
Mario Pulvirenti
ORCID logo ,
Luciano Salvo
,
Angelo Giuseppe Sciacca
,
Giacomo Scelba
ORCID logo ,
Mario Cacciato
ORCID logo
Version 1 : Received: 18 December 2023 / Approved: 19 December 2023 / Online: 19 December 2023 (10:45:10 CET)

A peer-reviewed article of this Preprint also exists.

Sujeeth, A.; Di Cataldo, A.; Tornello, L.D.; Pulvirenti, M.; Salvo, L.; Sciacca, A.G.; Scelba, G.; Cacciato, M. Power Loss Modelling and Performance Comparison of Three-Level GaN-Based Inverters Used for Electric Traction. Energies 2024, 17, 595. Sujeeth, A.; Di Cataldo, A.; Tornello, L.D.; Pulvirenti, M.; Salvo, L.; Sciacca, A.G.; Scelba, G.; Cacciato, M. Power Loss Modelling and Performance Comparison of Three-Level GaN-Based Inverters Used for Electric Traction. Energies 2024, 17, 595.

Abstract

The main aim of this work is to present a step-by-step procedure to model and analyze the power loss distribution of three-level Gallium Nitride (GaN) inverters. It has been applied to three distinct three-phase three-levels voltage source inverters utilized in electric traction drives: Active Neutral Point Clamped, Neutral Point Clamped and T-Type Neutral Point Clamped. The proposed analytical power loss modelling, combined to an equivalent representation of the electrical machine demonstrated to be a viable solution to achieve a time-saving and low computational burden simulation platform, leading to satisfying accuracy results. This has been confirmed by comparing the results carried out from the simulations of a 110kW permanent magnet synchronous motor drive and those determined by considering a simplified circuital representation based on the proposed analytical power loss modelling.

Keywords

Wide-band gap (WBG) devices; Gallium Nitride (GaN); multilevel power inverter; analytical loss calculation; high efficiency drives

Subject

Engineering, Electrical and Electronic Engineering

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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