The substation was in need of modernization works to prevent failures and ensure proper operation of the HVDC system, namely. Total refurbishment cost of the substation: $78M over five years.
CIMA+ is responsible for part of the detailed engineering for the replacement of 230 kV DC motorized switches.
Manitoba Hydro’s AC/DC converter stations required the replacement of the original switchyard high-voltage disconnects switches for the Valve Groups. This included three high-voltage DC disconnect switches (anode, cathode, bypass) and the converter transformer valve side winding AC switches. The switches will be replaced over a period of three years.