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In this paper we assume that time synchronized measurements will be ubiquitously available at all high voltage substations at very high rates. We examine how this information can be utilized more effectively for real time operation as well as for subsequent decision making. This new information available in real time is different, both in quality and in(More)
—In recent years, much of the discussion involving " smart grids " has implicitly involved only the distribution side, notably advanced metering. However, today's electric systems have many challenges that also involve the rest of the system. An enabling technology for improving the power system, which has emerged in recent years, is the ability to measure(More)
—A distributed control and coordination architecture for integrating inherently variable and uncertain generation is presented. The key idea is to distribute the intelligence into the periphery of the grid. This will allow coordination of generation, storage, and adjustable demand on the distribution side of the system and thus reduce the need to build new(More)
The present communication architecture supporting control of the electric power grid makes it difficult to use the wealth of data collected at high rates in substations, retarding their use in new applications for controlling the grid. A flexible, real-time data network would make it possible to use these data for many more control and protection(More)
—The rapid increase of phasor measurements on the high voltage power system has opened opportunities for new applications to enhance the operation of the grid. To take advantage of the high sampling rates of these measurement data, these applications will require a high-bandwidth, networked communication system. The specifications for this next generation(More)
Despite numerous research efforts of the past 40 years in the area of distribution expansion, a clear definition of the problem, and a truly multistage formulation that addresses practical concerns is yet to be developed. In this paper, the problem is clearly defined and analyzed from a practical point of view. A directed graph minimum edge cost network(More)
The Energy Management Systems (EMS) were invented in the seventies to add computationally intensive applications to the Supervisory Control and Data Acquisition (SCADA) Systems which were introduced as the core infrastructure for scanning the field data in the sixties. Over the last 50 years many EMS functions were implemented and SCADA was further(More)
The availability of synchro-phasor data has raised the possibility of a linear state estimator if the inputs are only complex currents and voltages and if there are enough such measurements to meet observability and redundancy requirements. The fiber optics communication network and advanced distributed computing and database technology provide the platform(More)
The paper describes a simulation environment for research, development, integration, testing and deployment of plug compatible power applications. By using this environment the elapsed time from initial research to field deployment of new power applications can be dramatically reduced. The environment integrates the EPRI Operator Training Simulator with a(More)