Circuit Current Limiting

The short circuit basically consists of a connection without resistance, existing between conductors under voltage or in some cases can be considered as an intentional or accidental connection between two points of an electrical system or equipment, or of an element, through an impedance unsatisfactory. Fuses refer to components used for the purpose of performing their main function, which is to limit the current of a circuit, providing its interruption in case of short circuits or long overloads.

Its operation is based directly on the fusion of a component by the Joule effect, caused by the sudden rise of current in a specific circuit. The fuse component has physical properties such that its melting point is less than the melting point of copper, and it is the most sought after material used in conductors of different applications. Thus, by means of a transient resistance, the current may have a value greater than the operating current. Thus, the equipment GF1524BG and part of the installation may undergo a thermal stress, ie, a short-lived, or electrodynamic, suppressor current, which is an excessively high rated impulse current.

Fundamentals of Electrical Commands

It is extremely relevant to understand the follow-up of the electric controls, in which they represent techniques and methods used to control or manipulate drives of machines and equipment. These electrical controls consist largely of power circuits, in which it is possible to find the loads, as well as the control circuit, which reach the logic of activating switching and protection components.

The electrical commands consist of electrical and electronic processes in which, through the logic of contacts can activate electric machines and automation systems, residential or industrial. In this way, they consist of load drive circuits and industrial machines. The drive of loads is the process of triggering heating systems, large lighting and cooling, for example. In electric power applications, electric commands, when it comes to the industrial sector, need to be emphasized since they represent the largest part of the transformation of electric energy into other types of energy.

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The industry ends up being the place of the activities carried out by most of the professionals of the electric branch, be it in the form of electrical command projects, installation of accessories and equipment, or even of industrial automation projects.