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Archive: Category «Safety»

Why remote racking of LV/MV circuit breakers is a smart investment but so rare to see?

Circuit breaker racking is one of the most prominent exercises in the power system that exposes an operator to risk. A sudden malfunction during the racking process can induce catastrophic…...

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Oct 19, 2020 | Bishal Lamichhane

Why remote racking of LV/MV circuit breakers is a smart investment but so rare to see?

The essential HV/EHV substation auxiliary facilities you should know about

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…...

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Apr 27, 2020 | Edvard

Position of an AC auxiliary power supply transformer in the single line diagram of the substation

When can we say that earthing arrangement is safe for people (confusions in practice)

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…...

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This page requires a Premium Membership. Get access to premium HV/MV/LV technical articles, electrical engineering guides, and papers. Check out each plan's benefits and choose the membership that works best for you or your organization.
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Feb 28, 2020 | Miodrag Kokotovic

When can we say that earthing arrangement is safe for people (confusions in practice)

Lightning protection system – How much of design and material is really needed?

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…....

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Jun 28, 2019 | Miodrag Kokotovic

Lightning protection system – How much of design and material is really needed?

The logic behind switchgear interlocking systems in substations

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…...

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This page requires a Premium Membership. Get access to premium HV/MV/LV technical articles, electrical engineering guides, and papers. Check out each plan's benefits and choose the membership that works best for you or your organization.
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Dec 07, 2018 | Edvard

The logic behind switchgear interlocking systems in substations


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