Practice gaskets electrical wiring for wooden buildings with wet rooms.

Increasingly, in order to equip everyday life in the country, people build not only residential buildings, but also farm buildings, saunas and arbors. In the 21st century, no one can do without electricity, but the wiring in a wooden house and bath has its own characteristics compared to a brick building.

In the bathhouse, if it is a separate building, it is advisable to extend your line from the main switchboard, which is usually located in the house. This line should be protected by a separate machine. There are two ways to run the power cable into the bathhouse ...

Advantages and disadvantages of various methods of controlling asynchronous motors. Conclusions from practical experience.

Currently, squirrel-cage induction motors are widely used. This is because such machines do not have a brush assembly, their rotor is made of aluminum and technologically very simple, which means that the design itself is very reliable. Consider several ways to control a single-phase asynchronous motor.

The most common type of asynchronous single-phase electric motor is a motor with two stator windings. The first and second windings are identical in the number of turns, but in series with one of the windings include a capacitor ...

The appearance of infrared film underfloor heating in the services market is a clear example of how innovative technologies are becoming bolder in our lives, helping to create coziness and comfort in the house quickly and easily.

The fundamental difference and the main advantage of the infrared floor from other floors is the use of infrared radiation.

An ordinary warm floor, heating the air, creates convection currents in it, which rise up. As a result, you spend electricity to create a warm layer of air under the ceiling, and not in the part of the room where you are ...

ATS - Automatic activation of the backup generator. We continue the series of articles on the topic of autonomous power supply of a private house.

In previous articles, we examined in sufficient detail various types of autonomous sources of electricity, namely UPS (uninterruptible power supplies on rechargeable batteries) and GU generator sets.

There was also an article on how to combine two devices - a mini-power plant and a UPS in order to achieve maximum results during operation. In this article we will consider the device through which the mini-power plant is controlled. The name of this device is ABP-automatic backup power on. Almost all mini-power plants, and no matter how quiet they work, give out quite a lot of unpleasant decibels. For example, a relatively quiet mini-power plant ...

History, experiment and practice of introducing the transfer of electrical energy through a single wire of minimum cross-section without loss.

An experiment conducted by the Serbian scientist Nikola Tesla back in 1892, still haunts domestic scientists. The motivation is completely understandable. If you can use only one and very thin conductor instead of two, then this is a huge savings in copper and aluminum. If we take into account that in our country, only last year, the cost of copper wires doubled - a monument of copper was erected to successful inventors during their lifetime.

Successful experiments in Russia were carried out in 1990, then the engineer Stanislav Avramenko managed to transfer electric power through a single-wire line about 3 meters long, sufficient to operate a 1.3 kW load ...

Physics of the process and practice of using reactive power compensation units

To understand the concept of reactive power, we recall first what is electric power.

Electric power is a physical quantity that characterizes the rate of generation, transmission or consumption of electrical energy per unit time.

The greater the power, the more work the electrical installation can do per unit of time. Measured power in watts (product Volt x Ampere). Instantaneous power is a product of instantaneous values ​​of voltage and current strength on a certain section of the electric circuit ...

We continue the series of articles on the topic of autonomous power supply for a private house.

In previous articles, we have already considered several types of autonomous sources of electricity, namely: UPS uninterruptible power supplies, where batteries are the source of electricity, and generator sets for diesel fuel, gasoline or gas are the second source of energy.

The advantages and disadvantages of each of the devices we examined, as far as possible in words, is quite extensive, in the same article we will try to figure out how to combine both of these devices, to use the full potential of both the generator set and the uninterruptible power supply to the maximum. For a more complete picture of the upcoming event, I would like to note a relatively high cost ...

Device application and classification of electromagnetic starters.

A magnetic starter is a device designed to control power loads. For example, electric heaters, electric motors, induction furnaces, etc. Naturally, the question arises, why can not you turn on and off the load using a circuit breaker?

The fact is that the resource of the machine for turning on and off is at least an order of magnitude smaller than that of a starter or contactor. In addition, the starter usually has a load current protection relay with the ability to adjust the current ...

The article talks about infrared heaters, which are an additional, and in some cases, the main source of heat to the room in the cold season.

The problem of insufficient heating of rooms by standard means of heating has always existed and remains relevant today, so new types and types of heaters are constantly being developed that can provide comfortable conditions for living and working.

Today, one of the best and most promising types of heaters is infrared. The most important advantage of infrared heaters over other types of heaters is their high safety ...

Classification and practical experience of electrical wiring protection systems

Automatic machines or circuit breakers, this is what replaced the usual traffic jams, i.e. fuses in a ceramic case, where a blown wire was a protection against overcurrent.

Unlike plugs, automatic reusable devices and protection functions are separate. Firstly, overcurrent protection, and secondly, overload protection, i.e. the mechanism of the machine breaks the load circuit with a slight excess of the operating current of the machine. In accordance with these functions, the machine contains two types of circuit breakers.Magnetic fast-acting circuit breaker for short-circuit protection ...

Using a trigger as a switch

In the previous parts of the article, triggers like D and JK were described. It will be appropriate here to recall that these triggers can work in counting mode. This means that when the next pulse arrives at the clock input (for both triggers this is input C), the state of the trigger changes to the opposite.

This logic of operation is very similar to an ordinary electric button, as in a table lamp: pressed - on, pressed again - off. In devices on digital circuits, the role of such a button is most often performed by triggers operating in counting mode ...

The main types of lighting switches: control switches, illuminated switches, dimmers, anti-vandal switches. The main advantages of using various models of switches.

Manufacturers of electrical products, despite the seeming limited functionality, offer a modern consumer a variety of models for the capabilities and structure of lighting switches. It is enough to pay attention to single-key, two-key or three-key options. If you look at the western market, then there we will not see a model with more than three keys.

If necessary, Europeans combine several devices of the same type with one frame. In the eastern market, the situation is different ...