Muonium centres in Cu2O, Ag2O and CdO show hyperfine parameters spanning four orders of magnitude. They exemplify the three different categories of hydrogen defect centre in semiconducting and dielectric solids, with very different electronic structure and electrical activity, namely quasi-atomic (possibly deep acceptor), deep donor and shallow donor.

In recent years, the issue of energy consumption modeling techniques in the building sector has been widely considered by researchers and managers. Researches indicate that energy consumption in residential sector is one of the main parts of the total consumption. Moreover, the urban residence is supposed as a significant consumer of energy in every country and therefore a focus for energy cons...

microgrids are nowadays used to produce electric energy with more efficiency and advantage. however, the use of microgrids presents some challenges. one of the main problems of the microgrids widely used in electrical power systems is the control of voltage, frequency and load sharing balance among inverter- based distributed generators (dgs) in islanded mode. droop method performance degrades ...

the municipality of tehran is intending to construct a permanent international flower exhibition. the activities for construction began in the year 2006. the exhibition has three distinct areas namely “northern area”,”southern area” and “central area”. in northern and southern area the flowers are supposed to be preserved and in central area, they will be sold out. in the present st...

Smart meters report power usage at 15 minute intervals and, compared to monthly power bills, provide the users with a much finer resolution time series of energy usage. However, apart from identifying times of peak energy usage, these smart meters provide little actionable data for the user in terms of reducing their power costs. Our research involves the development of an intelligent metering ...

ULP Lubuk Sikaping has two main sources to supply its working area, namely from the Padang Luar Substation (GI) and GI Simpang Empat. Along with increasing use of electricity in problem faced by at this time is voltage drop Rao (GH) which farthest GH area. Due increase while there no addition source, as most remote area will experience largest drop. Moreover, when a disturbance one sources, Pea...

This study presents an optimal framework for the operation of integrated energy systems using demand response programs. The main goal of integrated energy systems is to optimally supply various demands using different energy carriers such as electricity, heating, and cooling. Considering the power market price, this work investigates the effects of multiple energy storage devices and demand res...

The buildings sector in Switzerland accounts for more than 40% of the country’s overall energy demand and CO2 emissions. The predicted future weather conditions, according to the Intergovernmental Panel on Climate Change (IPCC), will even reinforce this trend. Due to the foreseeable further electrification of heating and cooling demand in buildings their electric load demand will likely increas...

Conventional peak-traffic based provisioning of cellular mobile networks leads to a significant wastage of electrical energy. Therefore, we propose a novel traffic-aware twodimensional dynamic network provisioning mechanism for enhancing the energy efficiency in OFDMA-based cellular systems. Proposed scheme, named as joint dynamic sectorization and switching of base station (JDSBS), adaptively ...