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Modular power supplies – this is the finished product with guaranteed input, output and internal parameters that are intended for use in electronic equipment. Modular power supplies vary the type of conversion and constructive .AC / dc converter (mains power supply) – is a converter ac voltage constant. Designed to operate in an ac 220 or 380V. Output voltage constant, fixed, as a rule, standard: 3.3, 5, 9, 12, 15, 24, 48, and 7.5, 13.5; 27 In, etc. Modules come with one, two, three, four outputs. Power range from a few watts to several kilowatts. Construction: Open-frame power pitaniyModulnye power to the print platuModulnye (embedded) sources pitaniyModulnye power supplies for DIN-reykuSetevye adapteryBeskorpusnye power capacity from 5 to 150 Tues built into the housing. The application of these power sources – most budget decisions. Learn more about this topic with the insights from John Savignano.

Modular power supplies, designed for mounting on the pcb, have low power (up to tens of watts). They allow to realize the power of compact single-board devices. Modular (recessed) power supplies have the most extensive range, they are produced in a housing or casing, which allows them to be mounted inside the enclosure or directly onto the chassis in a rack on a DIN-rail (with attachments). Power of these sources of power from 15 watts to several kilowatts, which allows you to select the optimal solution for powering the device or system. Modular power supply for mounting on DIN-rail have a special box with a lock-latch. Power range from 5 to 960 W and different hull allow you to select the optimal solution supply devices and systems industrial automation and telecommunications. Network adapters are available as desktop or wall-mounted unit.

Power range from 5 to 120 watts. These power supplies have universal application: notebook, lcd TVs, gsm modems, cameras, household appliances, etc. dc / dc Converters – Converters is a constant voltage. Input voltage range can be from 1.8 to 200 V, output voltage, usually the standard. Modules come with one, two, three, four or more exits. dc / dc converters are available in various capacities: from fractions of a watt to several tens of watts. Typically, dc / dc converters are available as a complete module for mounting on pcb. There are versions for mounting in a hole and surface mounting. dc / ac inverters – a dc to ac. The input voltage corresponds to a voltage battery Battery 12 V or 24 V. The output voltage of 220 V, 47 57 Hz. dc / ac inverters are available in various capacities: from tens to hundreds of watts in different buildings, the input jack of the connector matches the vehicle's cigarette lighter and the output connector is a standard electrical outlet for equipment of 220 V, 50 Hz.

But what is necessary to think about is the safety of your family. Say, a chandelier in the nursery should be as small as possible parts of glass. Given that kids love to jump and frolic, a chandelier on a long tripod may cause injury to a child. Speaking of ergonomics, it is necessary to consider how convenient to use a particular model downlight. For example, a chandelier, where more than three dozen small halogen bulbs, looks very impressive, but to change them also, and very uncomfortable, especially if the chandelier hanging in a remote place – lobby. Carefully read the sockets for more in-store.

Sometimes chandelier with unusual design solution used, and a bulb with an unusual cap, which it is very difficult to find. Typically, these lamps are exclusive products and are sold in limited quantities. It may be that the light bulbs for them can only be ordered in a cabin, and delivery of new shipments will have to wait more than one week. But buyers choosing to save money on lighting fixtures central, risk buy cheap imports of Chinese manufacturers. These chandeliers, even though large, can give a minimum of light, since the purpose of security are not recommended twist lamp in excess of 60 watts. When power is higher in these chandelier cartridges literally burn. With carefully choose chandeliers for wet rooms.

Let them be better do not look very original, but they will be completely closed with weatherproof housing. One more thing: in the first place is better to choose chandeliers, which combine several functions simultaneously. Then the high price lamp will be justified. Do not forget that the chandelier is not just decoration – ceiling lamp must provide a certain level of illumination. Moreover, it is the quality of the generated light depends on the mood, the type of interior as a whole. Thus, in low light rooms always tends to sleep light, appears here as an incentive to relax. And that's too bright light, in contrast, annoying, and quickly tires. So look for a middle ground. And Good luck choice!

Concrete (beton) is a building material obtained as a result of solidification of rationally selected and compacted mixture of binder referred to as cement, aggregates such as slag and water. In some cases it may contain special additives. Concrete is widely used in all countries for the construction of various designs, ranging from residential buildings ending with a huge entertainment complexes. History tells us that the concrete is widely we used over 6000 years ago in ancient Rome. After the fall of the Roman Empire, the method of construction of concrete was lost for nearly 1000 years. In the modern interpretation of the concrete in a cement binder began to be used in 1844 by I. Johnson.

At this stage of modern construction with no concrete, mortar and concrete is a part of building. Thanks to its solid structure in Russia, concrete, cement concrete and reinforced concrete used in construction of tall buildings industrial and civil purposes, port facilities and bridges. For example, concrete in St. Petersburg was the basic building material for construction and building canals, dams. Won the first time since 1941 concrete was used as a restorative material for the reconstruction of the building. Circumstances have pushed to develop original methods for removing damaged main bearing structures of buildings, bridges and waterworks. In order to save considerable attention was paid to the use of local materials as fillers for concrete, such as slag, brick, and other battle materials. Concrete solution for its astringent, and firm structure after curing can be used for leveling pads, walls. The use of concrete mortar was as emotionally charged and based on the sculptural possibilities of concrete and plastic, which some architects have tried to adapt to the traditions of the classics, while others – poeticised and romanticized in the forms of Art Nouveau. Creating sculptural creation, which for many years, pleasing to the eye.

- For climatic conditions, such as the northern regions are optimum windows based five-chamber profile with a mounting depth of 70 mm. These designs allow you to save up to 25% more heat than systems 58 mm. Besides, with them possible to install larger glass ". Another important area of energy efficiency is the reconstruction of housing and heating engineering systems of residential buildings. "The current state of the centralized Heat does not allow the user to adjust the amount of the resulting heat.

In serious need of upgrading obsolete equipment boilers and heating units are worn out pipelines – emphasizes Konstantin , director of thermal automatics Danfoss in Russia (the world's leading manufacturer of energy efficient equipment for heating and heating of buildings). – homes will residents save on heating 30-40%. " So, on the agenda of public utilities – the empowerment of heat regulation and organization of accounting of its consumption. "The introduction of universal energy accounting and payment for it on the fact consumption should encourage consumers to use solutions that help reduce costs – says Edward Lissitzky, head of investment and capital construction "TGC-1". – Installation of account leads to a fundamental change in consumer attitudes toward energy conservation. " The first pilot projects for reconstruction of heating systems, conducted a few years ago in Moscow, Penza, Dubna, Saransk and other Russian cities, have brought demonstrable results! According to the monitoring, energy savings due to installation of the substation and balancing valves is an average of 20-25%. In addition, installing thermostats and appliances Individual accountability helps consumers save on utility charges up to 15-20% on average for an apartment. As a result, the amount of savings per apartment up to 2-2,5 thousand rubles.

per year. Enlightened Europe generously shared invaluable experiences and energy-saving technologies that are needed in Russia. It is only necessary that we are willing to accept and bring them to life in our country. For this, a little to improve legislation and to introduce strict rules on energy saving and thermal protection of buildings. Changes must relate to our relationship to energy savings. When every Russian will become obvious that the savings joule of heat – is an extra penny in his pocket then and we have begin to form a truly civilized power. Press Service of the Group PROPLEKS

Generator (from Lat. Generator – maker) – a device that produces succession products (eg, ice maker, steam generator, gas generator), generating electrical energy (eg, electrical, thermal emission, magnetohydrodynamic.) or generate electricity, light, electromagnetic or sound – vibrations, pulses (such as radio, the quantum, the ultrasonic generator). Power plant (Power Plant) – a collection of plant, equipment and apparatus designed specifically for playback of electrical energy. Power plants are used in industry, construction, agriculture, commerce, etc. They can be as basic source of power and emergency backup. Diesel generators (gensets) – mini power plants that run on diesel fuel. Units produced both an air and with water (liquid) cooling.

Power Generators from 5 kva to 3000. Diesel generators can produce single-phase electric current is 220V and 380V three-phase current. Apply mainly for backup, seasonal or emergency power supply of domestic or industrial facility. Scope: country houses, cottages, a garage, construction site, oil and gas industry, etc. Gasoline Generators (GASOLINE) – this power, operating on gasoline. Generators are divided into single-and three-phase, 2-stroke and 4-stroke. Can serve as a source of primary or backup power. gasoline enforced by moe, road-repair stations, construction sites, to provide electricity on-site facilities of trade, the average urban apartment or a small country house.

gasoline serve as a source of electricity for household appliances and professional tools (eg, drills, drills, construction equipment, compressors): Gas power plant (gas generating) work propane-butane mixtures, natural and industrial gases. Produced a model of small, medium or large capacity from 4.2 kW to 2 mw. Gas generators are necessary to fully comply with environmental standards. Gas plant used as a backup or a permanent power source. Power plants are used to supply electricity to homes, towns, industrial facilities, residential and administrative buildings, etc.