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Numerical protection is based on a number of microprocessors that can be programmed to reproduce virtually any type of protection and relay. It represents important advantages in reliability, space and… Read more
Oct 30, 2017 | Edvard
Capacitors are used in industrial premises for two basic functions: the first, to correct the load power factor, usually to meet the supplying authority’s supply requirements and avoid tariff penalties…...
Oct 27, 2017 | Edvard
The distortion in the waveform in the load current of any nonlinear device causes similar changes in the voltage waveform relative to the harmonic impedance of the source network. This… Read more
Oct 25, 2017 | Edvard
Generally speaking, basic control circuits are used in starting, stopping, sequencing, and safety automatic interlocking of equipment and machines. The control circuit consists of relays, relay contacts, contactors, timers, counters,… Read more
Oct 23, 2017 | Edvard
The protection of the mains supply side of the converter requires a short-circuit protection. This can be, either in the form of a set of adequately rated fuses, usually as… Read more
Oct 18, 2017 | Edvard
Differential protection is very useful method of protection that can be applied to the protection of any network component, such as transformers, machines, busbars, lines and feeders. The differential relay… Read more
Oct 16, 2017 | Edvard
In many cases, industrial plants are characterized in particular by the use of highly dynamic drive technology. In addition to the undeniable advantages of these modern technologies, there is the… Read more
Oct 11, 2017 | Edvard
From a general perspective, an electric power system is usually understood as a very large network that links power plants (large or small) to loads, by means of an electric… Read more
Oct 09, 2017 | Edvard
A substation engineer should have a good understanding of the electrical equipment and layout of HV power substation. It’s also important to understand relationship between protection and the other equipment… Read more
Oct 04, 2017 | Edvard
As it is known, the SCADA systems are able to measure and monitor different parameters and variables, such as: the level of liquids, the volume of the gases, the volumetric… Read more
Oct 02, 2017 | Edvard
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