Vale, Copper Cliff South Mine #7 69kV/6.9kV Substation Relocation
Location : Sudbury, Ontario
Year : 2019
Client : Vale
Project type : Feasibility study and cost estimations
Full scope detailed engineering service including geotechnical, civil and electrical expertise.
The design of the substation is a single supply dual transformer configuration with provisions for a second in the future.
Two identical 69/6.9kV, 7.5/8.4 MVA transformers will be used for full redundancy if one unit requires servicing.