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Investigation of electrical and magnetic properties of ferro-nanofluid on transformers

Tsai, Tsung-Han and Chen, Ping-Hei and Lee, Da-Sheng and Yang, Chin-Ting (2011) Investigation of electrical and magnetic properties of ferro-nanofluid on transformers. Nanoscale Research Letters, 6 (1). pp. 1-5.

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Official URL: http://www.nanoscalereslett.com/content/6/1/264

Abstract

This study investigated a simple model of transformers that have liquid magnetic cores with different concentrations of ferro-nanofluids. The simple model was built on a capillary by enamel-insulated wires and with ferro-nanofluid loaded in the capillary. The ferro-nanofluid was fabricated by a chemical co-precipitation method. The performances of the transformers with either air core or ferro-nanofluid at different concentrations of nanoparticles of 0.25, 0.5, 0.75, and 1 M were measured and simulated at frequencies ranging from 100 kHz to 100 MHz. The experimental results indicated that the inductance and coupling coefficient of coils grew with the increment of the ferro-nanofluid concentration. The presence of ferro-nanofluid increased resistance, yielding to the decrement of the quality factor, owing to the phase lag between the external magnetic field and the magnetization of the material.

Item Type:Article
Subjects:Physical Science > Nanophysics
Physical Science > Nano objects
Material Science > Nanochemistry
Material Science > Nanostructured materials
Divisions:Faculty of Engineering, Science and Mathematics > School of Chemistry
ID Code:10916
Deposited By:JNCASR
Deposited On:18 Oct 2011 08:20
Last Modified:18 Oct 2011 08:20

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