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Modelling of non-conventional instrument transformers (NCIT) by FEM

Nikolić, B. and Khan, S. ORCID: 0000-0001-5589-6914 (2018). Modelling of non-conventional instrument transformers (NCIT) by FEM. Paper presented at the XXII World Congress of the International Measurement Confederation (IMEKO 2018), 3-6 Sep 2018, Belfast, United Kingdom.

Abstract

In this paper, we have shown that the proposed non-conventional instrument transformer using magnetic shape memory (MSM) alloys can be used for current measurement in high voltage overhead transmission lines. By modelling one of the most used conductors at high voltage overhead transmission lines (400kV, 300–600A, AC) and our sensor consisting of a magnetic circuit and an MSM element, NCIT's design was optimised for these lines and it was shown that the typical values of electrical current expected in a normal working regime would trigger the MSM element. Different designs of magnetic circuits were modelled in ANSYS APDL and discussed, comparing the obtained results for several different materials for magnetic circuit.

Publication Type: Conference or Workshop Item (Paper)
Subjects: Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Departments: School of Mathematics, Computer Science & Engineering > Engineering > Electrical & Electronic Engineering
URI: https://openaccess.city.ac.uk/id/eprint/22098
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