Przegląd Elektrotechniczny

Oldest magazine of Polish electrician. It appears since 1919.

strona w języku polskim english page

No/VOL: 09/2022 Page no. 282

Authors: Jakub Bernatt , Stanisław Gawron , Tadeusz Glinka , Artur Polak :

Title: Block Transformer Fires

Abstract: The structure of the high voltage OPI bushing has been presented (Fig. 2). An internal short circuit of the insulator, in some part outside the transformer, causes fire of the insulator. An example of such a fire is given (Fig. 3). Internal short-circuit of the insulator, in the part closed in the transformer tank, causes an explosion in the tank and a fire of the transformer. An example of such a fire is given (Fig. 4). After a fire, the transformer cannot be renovated.

Key words: transformer, bushing, fire.