Comparative Performance Study of Dissolved Gas Analysis (DGA) Methods for Identification of Faults in Power Transformer

<table class="table-group" id="tab9"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Key gases</td><td class="align_center">Concentration (ppm)</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Acetylene (C<sub>2</sub>H<sub>2</sub>)</td><td class="align_center">200</td></tr><tr><td class="align_left">Ethylene (C<sub>2</sub>H<sub>4</sub>)</td><td class="align_center">370</td></tr><tr><td class="align_left">Ethane (C<sub>2</sub>H<sub>6</sub>)</td><td class="align_center">630</td></tr><tr><td class="align_left">Methane (CH<sub>4</sub>)</td><td class="align_center">1200</td></tr><tr><td class="align_left">Hydrogen (H<sub>2</sub>)</td><td class="align_center">1300</td></tr><tr><td class="align_left">Carbon monoxide (CO)</td><td class="align_center">790</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Gas generation rate of T-11 for the Doernenburg ratio method [<a href="/journals/ijer/2023/9960743/#B15" target="_blank">15</a>].</div>

International Journal of Energy Research

tab9

Table 9

Table 9: Comparative Performance Study of Dissolved Gas Analysis (DGA) Methods for Identification of Faults in Power Transformer 