ANALYTICAL AND NUMERICAL COMPUTATION OF ELECTRICAL RESISTANCE IN A LOW CURRENT MULTI-SPOTS METALLIC CONTACT | Zendy

Gideon Gwanzuwang Dankat | Zendy; Alin Dobre | Zendy; Laurenţiu Marius Dumitran | Zendy

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ANALYTICAL AND NUMERICAL COMPUTATION OF ELECTRICAL RESISTANCE IN A LOW CURRENT MULTI-SPOTS METALLIC CONTACT

Author(s) -

Gideon Gwanzuwang Dankat,

Alin Dobre,

Laurenţiu Marius Dumitran

Publication year - 2021

Publication title -

actualităţi şi perspective în domeniul maşinilor electrice (electric machines materials and drives - present and trends)

Language(s) - English

Resource type - Journals

ISSN - 1843-5912

DOI - 10.36801/apme.2021.1.7

Subject(s) - multiphysics , contact resistance , computation , finite element method , discontinuity (linguistics) , electrical contacts , electrical conductor , automotive industry , mechanical engineering , computer science , materials science , engineering , structural engineering , electrical engineering , mathematics , algorithm , mathematical analysis , composite material , aerospace engineering , layer (electronics)

The problem concerning the specific resistance of electrical contacts is still of special importance especially in high complexity electrical systems or critical operation devices such as those used in the automotive industry. A huge number of studies have been conducted over time in order to develop easy models that allow the calculation of the contact resistance at the interface between two conductors taking into account the discontinuity of the contact surface. This paper presents a study on the computation of the contact resistance of two metal conductors with analytical relations and, respectively, using numerical computation models. The aim of this paper is to examine the differences between the results obtained using analytical models and numerical model based on finite element method (FEM) in COMSOL Multiphysics.

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