ABB completes HVDC system upgrade

The 1,500-km link will enable populous centers such as Boston to benefit from alternative, clean sources of electricity. 

This interconnection was the world’s first multi-terminal link and since entering service in the early 1990s, it has provided the highly populated areas of Montreal and Boston with clean hydropower. With a total capacity of 2,000 megawatts, the link can provide enough hydro-electricity for 3.8 million people, based on average US household consumption. 

Therefore, ABB claim a critical part of the project has been ensuring minimal power interference and enabling commercial operation to be restored swiftly. As part of this latest upgrade, ABB has replaced the link’s hardware and software with its state-of-the-art MACH control and protection system. This ensures a continued, reliable and highly controllable power supply and enables advanced smart-grid studies for further grid optimization in a timely manner. 

As a key element of the upgrade, ABB has installed its MACH control and protection system, which acts like the brain of the HVDC link. It offers a high degree of integration capability to handle control and protection functions, designed to run around the clock for decades. It also incorporates advanced fault registration and remote control functions. There are over 1,100 such systems in operation throughout the world. 

“We pioneered HVDC technology and continue to lead the way through innovation, as with the latest control system being installed for this project” said Patrick Fragman, Managing Director of ABB’s Grid systems business, a part of the company’s Power Grids division. “The upgrade of the world’s first multi-terminal link reinforces ABB’s commitment to supporting customers through the lifecycle, and reiterates our focus on the service business, as part of our Next Level Strategy.”

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