Experiment and simulation investigation on air breakdown in uniform and non-uniform field configuration

Ngadiman, Nurul Natasha (2017) Experiment and simulation investigation on air breakdown in uniform and non-uniform field configuration. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

This project is concerned with an experiment and simulation investigation on air breakdown in uniform and non-uniform field configuration. An advance improvement in power sector of nation has given a big chance to empower engineers to conserve the power equipment for reliable operation during their operating life. As the high voltage power equipment are mainly subjected with spark over voltage causes by the lightning strokes, a protective device is used to regulate the significant needed for proper insulation level. There are some objectives needed to be achieve in this project. In addition, a series of breakdown strength test was conducted by using AC voltages and the test should be compliance with the required standard, BS EN 60060-1 2010. There are two field configurations used in this study which is plane-plane field configuration with air gap length between 5 until 20 mm and rod-plane field configuration with air gap length between 10 until 50 mm. To determine the AC breakdown voltage, the test voltage is slowly increasing until it reached critical value and breakdown voltage will formed with the validation test of 50 times. 50% disruptive discharge voltage of a test object is used to ensure all measurements are valid according to the standard.

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