Results 261 to 270 of about 117,250 (304)
Electric Power and Energy Measurement
, 2016 Electric power and energy measurements are probably the most important and critical measurements in power systems, since they are used to quantify every energy transactions and assign an economical value to energy flowing through a given section of the grid.
FERRERO, ALESSANDRO, FAIFER, MARCO
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Smart electric energy measurements in power distribution grids
IEEE Instrumentation & Measurement Magazine, 2015 Smart Grid (SG) is an expression that has diffused worldwide. However, the meaning of this expression is not commonly shared, since there is not yet a totally defined or accepted idea of smartness. What is commonly recognized is that significant changes are occurring in electric systems, and traditional management and protection schemes will not be ...
MUSCAS, CARLO +3 more
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Electric vehicles’ energy consumption measurement and estimation
Transportation Research Part D: Transport and Environment, 2015Abstract Use of electric vehicles (EVs) has been viewed by many as a way to significantly reduce oil dependence, operate vehicles more efficiently, and reduce carbon emissions. Due to the potential benefits of EVs, the federal and local governments have allocated considerable funding and taken a number of legislative and regulatory steps to promote ...
Xinkai Wu +3 more
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Measurement of braking energy recuperation in electric vehicles
2013 15th European Conference on Power Electronics and Applications (EPE), 2013The low cruising range of full electric vehicles retards the triumph of electric mobility. An optimal braking energy recovery can help to enlarge the range. For this paper, the recuperation energy of a currently available electric car is measured during brake applications with different deceleration values and for several states of charge of the ...
Ph. Spichartz, C. Sourkounis
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Power and energy measurements of transient electric discharge
Review of Scientific Instruments, 1978A simple and inexpensive calculating device for electrical power and energy of transient electric discharges is described. The calculation is made by multiplication of the voltage and current of the discharge by use of wideband integrated circuits.
M, Kono, K, Iinuma, S, Kumagai
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Dynamic Measurement for DC Electrical Energy
2018 Conference on Precision Electromagnetic Measurements (CPEM 2018), 2018With more and more power consumption, DC electrical energy measurement is coming into an urgent need. And a new DC electrical energy measurement instrument is developed, which can measure power and energy for both static and dynamic signal. High-speed sampling method is adopted to get all the original information of the input signal and then obtain the
Liu yue +6 more
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Solid surface energy measured electrically
Journal of Physics D: Applied Physics, 1990A new method is described for determining the surface energy of conducting powders. The technique depends on the relation between surface energy and contact diameter of two smooth elastic spheres touching under zero external load. Since electrical conductivity through the contact is also a function of contact diameter, an equation relating conductivity
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Measuring electric energy efficiency in Portuguese households
Management of Environmental Quality: An International Journal, 2015Purpose – There is a great interest from the European Union in measuring the efficiency of energy use in households, and this is an area where EDP has done research in both data collection and methodology. This paper reports on a survey of electric energy use in Portuguese households, and reviews and extends the analysis
Thomas Weyman-Jones +2 more
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Calculation of measurement uncertainty in a measuring system for electrical energy
Ninth International Conference on Metering and Tariffs for Energy Supply, 1999A measuring system has to be verified at regular intervals with respect to the measuring uncertainty and a mathematical model of how to calculate this overall uncertainty has been developed by the SP Swedish National Testing and Research Institute, the National Metrology Institute of Sweden.
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Measuring Instrument of Parameters of Quality of Electric Energy
International Workshops and Tutorials on Electron Devices and Materials, 20064n electric power industry the important role is played with quality of electric energy as suitability for use of electric energy depends on its quality. Within the limits of the given work development and research of an electro technical complex of an estimation of quality of electric energy is carried out.
Vadim Alekseev +3 more
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