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Sunnyvale, Calif.-based embedded middleware provider Real-Time Innovations (RTI), along with the U.S. Army Corps of Engineers (USACE), has announced that the Grand Coulee Dam power control system is now operational using RTI Connext data distribution service (DDS).

RTI notes that when fully deployed, the 6.8 GW Grand Coulee Dam, located in Washington state, must control 24 power turbines and 12 pumps. The dam comprises four major power plants, three high-voltage transmission switchyards and a fully redundant control room.

According to RTI, the USACE upgrade project is replacing the dam's aging supervisory control and data acquisition system with a modern distributed control system that relies on RTI Connext DDS for its fundamental communications platform.

"The RTI middleware implements our communications, module failover, wide-area routing, control room integration and operator interface," says Dave Brown, chief of the USACE automated controls and cybersecurity branch. "Our extensive tests proved that the new control system is capable of handling all our performance, scale, reliability and scalability requirements."

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