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Nowadays, HV/EHV substations have become pretty complex from the design point of view. Besides the main electrical equipment, which must be designed and selected correctly, there are several auxiliary facilities…...
Apr 27, 2020 | Edvard
This article will analyse some of the most important safety issues related to design and use of LV electrical installations. Besides explanation of relevant terms in this field defined by…...
Feb 28, 2020 | Miodrag Kokotovic
We all should know that low voltage circuit breakers and fuses operate in the event of excess current arising from overload conditions and faults. As the statistics say, the most… Read more
Dec 25, 2019 | Edvard
This technical article will try to shed some light on why and how electrical equipment fails and what’s happening before and during the failure of particular substation equipment like switchgear,… Read more
Dec 09, 2019 | Edvard
This technical article introduces five main principles involved with substation control building and switchyard services that make a lot of troubles to substation crew if poorly designed. The article covers… Read more
Nov 20, 2019 | Edvard
This technical article covers protective grounding requirements for steel tower and wood pole supported transmission and distribution lines, and insulated power cables. Protective grounds must be installed so all phases… Read more
Sep 25, 2019 | Edvard
Within this article, an overview of fundamental principles regarding design and construction of lightning protection system (LPS) will be given. Relevant IEC 62305 standard will be used as a reference…....
Jun 28, 2019 | Miodrag Kokotovic
Although the type of cable and conductor is the determining factor in the fire behaviour of ducts and conduits, the choice of cable tray type and the installation of the… Read more
Jun 05, 2019 | Edvard
Due to the critical nature of the care being provided at healthcare facilities and their increasing dependence on electrical equipment for preservation of life, they have special requirements for the… Read more
Apr 01, 2019 | Edvard
While working as an electrical engineer, there are a dozen things you must remember, especially the ones that concern the safety. Whether you are in the electrical design field or… Read more
Mar 04, 2019 | Edvard
Analysis of the lightning risk takes numerous factors into consideration. This article will shed the light on one of factors – protection of the structures and its five most important… Read more
Feb 27, 2019 | Edvard
Short-term exposures to electric fields produced by AC transmission lines and stations can be pretty serious and may be classified according to the type of effect causing a sensation in… Read more
Jan 30, 2019 | Edvard
Switchgear interlocking is installed to protect both the equipment and the operator from dangerous situations caused by incorrect equipment operation. It can be categorized as operational interlocking and safety, or…...
Dec 07, 2018 | Edvard
Generator sets have specific features that must be taken into account for protection against electric shocks. Mobile sets cannot be connected to earth and their connection by means of a… Read more
Nov 08, 2018 | Edvard
A ground fault normally occurs in one of two ways: by accidental contact of an energized conductor with normally grounded metal, or as a result of an insulation failure of… Read more
Mar 19, 2018 | Edvard