Battery-powered electric mining equipment

Abstract

According to one embodiment, electrical equipment is provided. The electrical equipment can be used in a mining environment. The electrical equipment comprises a first circuit, a second circuit, and a multi-voltage transformer, wherein: the first circuit comprises a motor; the second circuit comprises a rechargeable battery; the primary side is configured to connect to an electrical network; and the first circuit is configured to connect to the primary side. The first circuit is switchable between at least two of the primary tap sets. The second circuit is configured to connect to the secondary side.