Hydro-Québec has awarded a contract to ABB to upgrade the 350MW Madawaska high-voltage direct current (HVDC) transmission link.
The HVDC transmission link connects the grids of New Brunswick and Hydro Québec in south-east Canada. The order was booked in the second quarter of this year.
As part of the contract, which is valued at $35m, ABB will install its MACH control and protection system and upgrade the valves and valve cooling system.
The back-to-back converter station has been in operation for more than 25 years and the modernisation is expected to significantly improve grid reliability and help reduce maintenance needs.
ABB's Power Systems division head Claudio Facchin said: "This upgrade will enhance power availability, reduce outages and improve grid reliability in the region. The project also reiterates our continued focus and commitment to growing our service business."
ABB added that it has built up significant experience in the upgrade of HVDC links worldwide. This is the 21st major HVDC modernisation project and the 15th upgrade of control and protection systems awarded to ABB since 1990.
The company claims that its MACH system is the world's most extensively deployed control solution for HVDC and flexible alternating current transmission system (FACTS) installations, with over 1,100 in operation.
Image: The upgrade will enhance grid reliability, improve efficiency and enhance power availability. Photo: courtesy of ABB.