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With improvements in smart sensing and digital instrumentation technologies, small, low-cost sensors have been installed in power networks, thus providing new opportunities for smart monitoring. Smart monitoring consists of analog/digital sensors, measurement units, control devices, and protective relays inside a digital communication network working together to gather local information about the...
Smart sensors and monitoring technologies are beginning to penetrate different levels of the power system. In a smart grid scenario, the operational condition of components needs to be reported to the control center, in order to improve the remedial action for an ailing component. This will significantly reduce the component failure rate and improve reliability of the entire system. This paper proposes...
Smart grid technologies leveraging advancements in sensors, communications, and computing offer new avenues for reliability enhancements of complex power grids by increasing the up-times and reducing the down times. This paper discusses various aspects of smart grid monitoring and proposes a mathematical model to assess its impact on power grid reliability. Based on a multiple-state Markov chain model,...
The penetration of information-age technologies can bring significant changes to the area of instrumentation, monitoring, control, and protection in power systems. The development of the special protection schemes (SPS) is also likely to be influenced greatly. This paper proposes a conceptual all-digital SPS architecture which is possible in the future. The application of general methodologies of...
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