Abstract

In agriculture, single-transformer consumer substations are widely used. Failure of a transformer in such a substation adversely affects the reliability of power supply to agricultural consumers. The most common reason for the failure of consumer transformers (over 50%) is turn-to-turn short circuits in their windings. Therefore, timely diagnostics of turn-to-turn faults in the windings of such transformers is an urgent task. In this case, it is necessary to take into account the specific conditions of rural electrical networks. It is recognized as permissible to carry out diagnostics at idle running of the transformer. Designed with assumptions in mind, the diagnostic device is simple and easy to use. The operation of the device was investigated on an electronic model using the Matlab software package integrated with the design and programming environment based on Simulink models. As a result of research, it was found that the device is efficient and efficient.

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