Alternating Current (AC) versus Direct Current (DC)

Alternating Current (AC) versus Direct Current (DC)

Image description The image shows in parallel two flow types of electric charges, respectively of the movement of electrons in a circuit, these being represented by the alternating current, the first image, and by the direct current, the second image. The alternating...
Electromagnetic spectrum

Electromagnetic spectrum

Image description The image shows the diagram of all the electromagnetic radiation existing in the Universe, depending on their wavelengths or frequencies. All types of electromagnetic radiation make up the electromagnetic spectrum and are of two types, with short...
Electrical network

Electrical network

Image description The image shows the simplified diagram of any electrical circuit, a connection between several electrical components, attached to an electrical network in a closed loop or a path through which electricity flows, travelling back and forth. The...
Subway Map colored A3

Subway Map colored A3

Description of the image The image shows the official map of Metrorex, of the underground transport network, respectively of the subway in Bucharest. The capital city  Bucharest is rendered full in relief, and over it the Metrorex network unfolds, rendered as thick,...
Electric shock hazard

Electric shock hazard

Image description The image shows a three-phase electric cable, respectively, at the top it is intact, in the center it is damaged and torn open at the base of the insulating material, respectively the outer shell, and at the bottom its ripped insulation is fixed with...
Tesla Model S car

Tesla Model S car

Image description The image shows a model of a high-performance electric car, which uses Li-Ion cell batteries, those being located on the floor, under the passenger compartment. The car is known as the Tesla Model S, seen from side, facing left. The Tesla Model S...
Automated external defibrillator

Automated external defibrillator

Image description The image shows a medical device with the role of defibrillation, respectively providing electrical shocks to the heart, designed to regulate an arrhythmia or stop a life-threatening cardiac arrest. The Automated External Defibrillator (AED), viewed...
Elevator Working Principle

Elevator Working Principle

Image description The image shows the structure and the working principle of an elevator, between three levels of the building, viewed from the front. For correct interpretation, the image must be rotated ninety degrees to the right so that it remains in portrait...
Map of the electric transmission network in Romania

Map of the electric transmission network in Romania

Image description The image shows the map of Romania with the high and very high voltage electricity network, respectively of four hundred and two hundred and twenty kilovolts, distributed by other companies that do not belong to Transelectrica. The map of the country...
Map of the electricity network in Romania by Transelectrica

Map of the electricity network in Romania by Transelectrica

Image description The image shows the map of Romania with the very high voltage electrical network, respectively four hundred kilovolts, distributed by the Transelectrica company. The map of the country is marked embossed, and the border is outlined with in bold. The...
Tesla coil and Faraday cage

Tesla coil and Faraday cage

Image description The image shows two inventions with opposite roles, which combine perfectly with the effect produced, respectively, on the left is illustrated Faraday’s cage, struck by the very high voltage electric current produced by the Tesla coil on the...
Wind turbine

Wind turbine

Image description The image shows the internal structure of the nacelle of a wind turbine illustrated from side and directed with the blades to the left. The nacelle is the most important part that covers the rotor and the electric generator through an outer shell,...
Electric forklift

Electric forklift

Image description The image shows a machine used for loading and lifting heavy weights of packages and boxes with goods and building materials or vehicles, their transport and unloading. The machine works by the principle of the electric motor, whose electricity comes...
Nuclear Power plant

Nuclear Power plant

Image description On the left side of the image is a part of the complex installation of a nuclear power plant, which generates electricity. This part, the containment structure is composed of a container for the reactor, represented on the left edge in the form of a...
Biogas

Biogas

Image description The image shows the process of transforming biomass into biogas, which is further used as an alternative fuel to obtain electricity. The biomass is represented by the dung from a cow, marked in the image on the right edge, sitting on the ground,...
Wind farms

Wind farms

Image description The image shows a landscape in which four wind turbines are captured, these being dispersed on a field, depicting a scene of wind farms, viewed from the front. The relief of the plain spread with mounds or rounded heights in the form of domes in some...
Thermal power station

Thermal power station

Image description The image shows a thermal power plant, which produces electricity by converting thermal or caloric energy, heat, initially obtained by burning fuels. Similar to the other power plants, especially the thermal power plants, are the basic components,...
Geothermal power station

Geothermal power station

Image description The image shows a geothermal power plant, which produces electricity by converting thermal energy or heat, initially obtained from hot springs caused by high pressure and heat inside the Earth’s mantle, causing them to burst through the cracks...
Electric Hob

Electric Hob

Image description The image shows a cooking device, powered by electricity, viewed from above, called an electric hob. The electric hob is a concept inspired by the traditional cooktop above the stove, only it is portable, light, small and easy to use. For its...
Refrigerator

Refrigerator

Image description The image shows a fridge or a refrigerator, viewed on the left rear and on the right front. The refrigerator is an installation that uses electricity to produce coldness in a closet where perishable food is stored, and that is usually called a fridge...
Light bulbs

Light bulbs

Image description The image shows a classic, incandescent light bulb on the right, illustrated with the light bulb facing up. It works on the principle of heating the metal filament inside the glass bulb to incandescence, producing light and heat. The glass bulb or...
Types of Electric Poles

Types of Electric Poles

Image description The image shows five types of electric poles, aligned from the left to the right. The first, on the left edge, is the highest and distributes a high voltage electric current, hence the name of high voltage power line, respectively a type of Lattice...
Electrical substation

Electrical substation

Image description The image shows the transmission and distribution system of the electric current, through a transformer station or electrical  substation. This distribution circuit starts from the nuclear power plants, thermal power plants, wind or hydroelectric...
Street Lighting Poles

Street Lighting Poles

Image description The image shows three types of public or street lighting poles, viewed from the profile. The pillars are named after the support trunk that is buried in the ground and is high enough to allow illumination through the top bulb over a fairly large...
Hydroelectric dam

Hydroelectric dam

Image description The image shows the structure of the installation of a hydropower plant in the form of an artificial dam, viewed from side. The hydropower plant or the hydroelectric dam has the role of transforming the kinetic or mechanical energy of water into...