Trafo Power Solutions’ substations for Kamoa
Trafo Power Solutions has supplied 40 dry-type mini-substations, as well as seven standalone ring main units, to Kamoa in the Democratic Republic of Congo.
Image credit: Trafo Power Solutions
South Africa/Democratic Republic of Congo: Trafo Power Solutions has supplied 40 dry-type mini-substations, as well as seven standalone ring main units, to Kamoa in the Democratic Republic of Congo.
Kamoa is one of the Africa’s largest and fastest growing copper operations, situated in the Democratic Republic of Congo. “We are immensely proud to be involved in this mega project,” says David Claassen, Managing Director at Trafo Power Solutions. “Considerable design work and planning went into this contract, with very demanding lead times to keep up with the mine’s rapid expansion.”
The mini-substations include units of between 630 kVA and 1,600 kVA capacity with primary voltages of 11 kV and 33 kV. The secondary voltage configurations are 400 V, 690 V and 1,000 V, and some units have dual-ratio secondaries. Protection against the ingress of water and dust was also designed into the units, with an IP54 ingress protection rating.
Fully designed and manufactured in South Africa, the substations were completed in a streamlined production process that facilitated a fast track delivery in batches of five to six units every 10 days. After the manufacturing and assembly process, each unit was tested before it was ready for dispatch. The transformers are rated for Class H insulation, for temperatures up to 180 degrees, while the dual-voltage boards are sizeable for a relatively complex voltage distribution system on each mini-substation.
Source: Trafo Power Solutions
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