Short Circuit Testing of Transformers Through Grid - An Experience

Transformers are subjected to number of system faults during their life cycle. They must be suitably tested to ensure effectiveness of design and quality. This paper shares the experience of WRLDC in facilitating short circuit testing through the grid. The impact of short circuit testing in terms of short circuit drawl, voltage dips and recovery voltages at Bina have been analyzed with the help of data from Disturbance Recorders and Phasor Measurement Units (PMU).