There is an urgent need for alternative compact technologies that can derive and store energy from the sun, especially large amount of solar heat not effectively used power generation. Here, we report a combination solution- neat-film-based molecular thermal (MOST) systems, where be stored as chemical released heat, with microfabricated thermoelectric generators to produce electricity when radi...

PROBLEM CFOI and SOII data show that 2,287 U.S. workers died and 32,807 workers sustained days away from work due to electrical shock or electrical burn injuries between 1992 and 1998. METHOD The narrative, work activity, job title, source of injury, location, and industry for each fatal electrical accident were examined. A primary causal factor was identified for each fatality. RESULTS Ele...

Qualitatively, it is known that the reactants content within the catalyst layer (CL) is the driving moments for the kinetics of reaction within the CL. This paper aimed to quantitatively express the level of enhancement in electrical power due to enrichment in the oxygen content. For a given MEA, a flow field (FF) designer is always willing to design a FF to maximize the content of oxygen in al...

Power transformers are key components in electrical power supplies and their failure could cause severe consequences on continuity of service and also generates substantial costs. Identifying problems at an early stage, before catastrophic failure occurs, is a great benefit for reliable operation of power transformers. Frequency Response Analysis (FRA) is a new, well-known and powerful diagnost...

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in this article, an effective method to control a power system during emergency conditions is presented. based on fuzzy linear programming (flp), a new technique is developed to solve the load shedding and generation reallocation (lsgr) optimization problem. the objective function consists of terms of load curtailments and deviations in generation schedules. the constraints are power system var...

The traceability for the calibration of power converters and wattmeters is obtained in primary laboratory starting from the standards of electrical quantities, such as resistance and voltage. The paper shows the path followed at I.N.Ri.M, which is the primary laboratory in Italy for metrology, to built the traceability for the precision measurement of both the single phase and the three-phase a...