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The paper presents a monitoring and alarm system based on GPRS (General Packet Radio Service) communication that can operate within a smart grid type of low voltage power delivery. The software application for that system allows the centralization of events transmitted from consumers to the electrical energy distribution site. The software is called into the paper Power Manager Distribution System...
The paper presents a set of simulations and measurements aiming to analyze the behavior of information-carrying disturbed signals and to further these studies regarding construction materials for intelligent buildings. Construction material shields must allow mobile phone carrier signals to pass through unaffected and also other household signals such as the one generated by a router within strict...
Nowadays, construction of power line protection circuits for over-voltage and over-current are built with varistor and gas-discharge tubes around a fuse, which has a disconnection time of 200ms. The intelligent system proposed in this paper offering a real-time monitoring of the energy consumer is a faster way of disconnecting the load and has an important facility: it does not require human intervention...
Phenomena taking place into an electromagnetic shield are complex (absorption, reflection, transmission). They are determined by material/shield macroscopic parameters (epsiv, mu, sigma), its thickness, radiationpsilas frequency and incidence angle. The paper deals with an original method for visualization and measurement of shielding effectiveness. This method has the advantage of simplicity and...
Ensuring the appropriate functionality of all the interconnected electric and electronic appliances inside an intelligent building requires an environment where electromagnetic interferences are attenuated so as to eliminate any harmful effects. This paper proposes some straightforward investigation techniques regarding the electromagnetic shielding effectiveness of construction materials. The authors...
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