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The conceptual entity that metrologists term the measurand is a model selected to represent the physical entity being measured. In a world of digital measurements, it should be defined first mathematically, and only then put into words. Human linguistic processes lack the precision required when all we do is use labels. In this paper, reactive power and frequency are used as examples. The act of measurement...
A large number of electric vehicles (EVs) connected to the grid increase the load of the grid, which may lead to the problems, such as overload, frequency violation and voltage violation. However, the EVs have potential for providing services for the grid, such as voltage regulation and frequency regulation. In this paper, we use the EVs to regulate the voltage of the smart grid and propose an algorithm...
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