Electrical Power & Protection


ArmCoil and Schneider Electric deliver SKID substations for mining

June 2023 Electrical Power & Protection

ArmCoil Afrika, a local manufacturer of medium voltage (MV) AC motors and transformers, and Schneider Electric have partnered to provide a skid mobile substation product line that will provide continuous power to a large mining conglomerate’s operations across South Africa. Together, the companies have already completed two skid substations, and the third and fourth units are in the manufacturing process. A skid is a prefabricated substation, assembled on a self-supporting transformer skid, creating an easily transportable design that can be quickly energised.

ArmCoil is the main manufacturing contractor, providing the MV solutions as well super structure enclosures for the skid substations, while Schneider Electric is the preferred low voltage (LV) and MV switchgear partner that includes the company’s PremSet Solid Shielded Insulated System (SSIS) switchgear series.

The substations are transported by trucks to the various mining pits, where mining equipment can then be plugged into the skid. Generally, the substations are used to power drilling rigs and electrical excavators, which are then used to fill the trucks with rocks, rubble and ore, and transport this for processing. The skid substations manufacturing processes also fall in line with ISO standards, which dictate that equipment should be continuously improved to enhance operations and operational safety.

The SKID substation project is estimated to last another three years, with two to three units earmarked per year.


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