Setembro 2025 vol. 12 num. 1 - XXXII Simpósio Internacional de Engenharia

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Análise de Máquinas Síncronas de Ímã Permanente e Alternadores Lundell Operando como Geradores

Analysis of Permanent Magnet Synchronous Machines and Lundell Alternators Operating as Generators

SOUZA, Evandro Costa ; SILVA, Ludmila Corrêa de Alkmin e ; MIRANDA, Matheus Henrique Rodrigues ; REGO, Rosana Cibely Batista ;

Trabalho completo:

O estudo das máquinas elétricas (MEs) utilizadas na indústria automotiva tornou-se essencial com o crescente interesse em veículos elétricos e híbridos, impulsionado pela necessidade de reduzir emissões, melhorar o desempenho e aumentar a eficiência energética. As MEs possibilitam a regeneração de parte da energia que, de outra forma, seria convertida em calor durante a frenagem, permitindo a recarga da bateria e aprimorando a eficiência energética do sistema como um todo. Em veículos híbridos em série, essas máquinas podem ser utilizadas exclusivamente como geradores, acopladas a um motor de combustão interna. Neste trabalho, apresentamos um estudo comparativo entre duas máquinas elétricas. Para isso, realizamos uma breve revisão da literatura sobre os princípios de funcionamento e modelagem matemática, além de uma análise da capacidade de geração de tensão em circuito aberto de máquinas síncronas de ímã permanente com fluxo axial e do alternador Lundell, ambos operando como geradores. O estudo é baseado em simulações computacionais, permitindo uma investigação sobre a geração de energia, aspecto relevante para diversas aplicações automotivas. Palavras-chave: alternador Lundell; PMSM; gerador síncrono; simulação; veículos elétricos e híbridos.

Trabalho completo:

The study of electric machines (EMs) used in the automotive industry has become crucial with the growing interest in electric and hybrid vehicles, driven by the need to reduce emissions, enhance performance, and improve energy efficiency. EM enables the regeneration of part of the energy that would otherwise be converted into heat during braking, allowing battery recharging and improving the overall system energy efficiency. In series hybrid vehicles, they can be used exclusively as generators, coupled to an internal combustion engine. In this work, we present a comparative study between two electric machines. For this purpose, a brief literature review on the principles of operation and mathematical modeling is conducted, as well as an analysis of the open-circuit voltage generation capacity of permanent magnet synchronous machines with axial flux and Lundell alternator, both operating as generators. The study is based on computational simulations, yielding an investigation into energy generation, which should be considered in various automotive applications.   Keywords: Lundell alternator; PMSM; synchronous generator; simulation; electric and hybrid vehicles.

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DOI: 10.5151/simea2025-PAP91

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Como citar:

SOUZA, Evandro Costa; SILVA, Ludmila Corrêa de Alkmin e; MIRANDA, Matheus Henrique Rodrigues; REGO, Rosana Cibely Batista; "Análise de Máquinas Síncronas de Ímã Permanente e Alternadores Lundell Operando como Geradores", p. 459-465 . In: Anais do XXXII Simpósio Internacional de Engenharia. São Paulo: Blucher, 2025.
ISSN 2357-7592, DOI 10.5151/simea2025-PAP91

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