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IT IS GENERALLY RECOGNIZED THAT A HIGH-BANDWIDTH and highly available networked communication system should overlay the transmission system topology in order to enable the control and protection envisaged today to make the grid more efficient and more reliable. The specifications for such a communication system have been difficult to develop, however, because it needs to support a great variety of applications, many of which have not yet been developed. Organizations such as the North American SynchroPhasor Initiative (NASPI) are trying to build on this vision of a communication system that can utilize phasor measurement data to initiate fast controllers, including flexible alternating current transmission system (FACTS) devices.
Date of Publication: Jan.-Feb. 2012