Nowadays, technological progress leads to a change and expansion of the variety of
domestic electric appliances. The character and power consumption of a modern apartment …

The paper aims the estimation of the electrical energy wasted for architectural lighting in
different variations of the designed project realized with different light sources. The idea for …

The calculation of the electrical load is the basis of the power supply system of any capital
construction object. The structure of the system, power and, accordingly, the cost of the …

Reports, surveys and statistics reveal that in commercial, administrative and patrimonial
constructions lighting continues to have one of the largest end use as a share of total …

Facing the constantly rising energy costs, the energy management of a facility is becoming
an increasingly important factor in its construction and use. The daylight is becoming an …

There was made research of lighting installation on characterized administrative room. For
lighting of the room there was used LED panels, controlled by dimmable electronic module …

The article is devoted to the practical energy saving at modernization of street lighting in
small towns. The object of the research is street lighting. The subject of the research is …

The paper is dedicated to economic analysis of the possible design decisions for the
architectural lighting of the building of the Faculty of Electrical Engineering of the TU of Sofia …

The reduction of the operating costs for public lighting in the municipalities through the
construction of roof photovoltaic power plants (PVPP) on municipal buildings is a reserve …

Today a number of renewable energy technologies are available for power generation, but
fossil fuels are still providing a dominant share nevertheless. In order to decrease the …