Power Substation
Control system equipment that supervises, protects and controls the substation operation
The control system equipment in a substation is a vital part that supervises, protects and controls the transmission of electrical power. The increasing complexity in the substations of today, together with the increasing transmitted power and the increasing fault current… Read more
Jul 13, 2020 | By Edvard Csanyi
Cables
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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 without which a substation would not be able to operate…...
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Apr 27, 2020 | By Edvard Csanyi
Energy and Power
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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 IEC standards, some misinterpretations and confusions which may be seen…...
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Feb 28, 2020 | By Miodrag Kokotovic
Energy and Power
Why earth leakage protection is necessary in low voltage installations
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 common fault type in LV installations is an earth fault,… Read more
Dec 25, 2019 | By Edvard Csanyi
Energy and Power
Practical tips for installing surge protection devices in low voltage panel
In an electrical systems, surge protection devices (SPDs) are usually installed in tap-off configuration (in parallel) between the live conductors and the earth. The operating principle of SPD can be similar to that of a circuit breaker. In normal use… Read more
Jul 08, 2019 | By Edvard Csanyi
Energy and Power
Earthing facts and terms you should always remember
While working as an electrical engineer, I learned that there are a dozen things you must remember, especially the ones that concern the safety. Whether you are in the electrical design field or in execution, you must admit that earthing… Read more
Mar 04, 2019 | By Edvard Csanyi
Energy and Power
5 most important aspects of external protection against the effects of lightning
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 aspects: lightning conductors, electrogeometric model, capture surface areas, downconductors and… Read more
Feb 27, 2019 | By Edvard Csanyi
Electrical Lectures
The basic understanding of an earthing protection system (diagram and definitions)
As you already know, protective conductors are the main part of every earthing protection system, but the complexity of the system will increase with the requirements of information technology, voltage surge protection, local area networks, etc. with the risk of… Read more
Jan 16, 2019 | By Edvard Csanyi
Energy and Power
Neutral earthing systems of generator sets (gensets)
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 flexible cable can be easily damaged. In general, generator sets… Read more
Nov 08, 2018 | By Edvard Csanyi
Power Substation
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Reasons and duties for switching in power transmission and distribution systems
The purpose of a power system is to transport and distribute the electric energy generated in the power plants to the consumers in a safe and reliable way. Generators take care of the conversion of mechanical energy into electric energy,…...
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Jul 12, 2018 | By Edvard Csanyi
Power Substation
What does a good grounding of the power substation and switching station really mean?
Provision of adequate grounding in a substation and switching stations are very important for the safety of operating personnel as well a electrical devices do not rise above tolerable thresholds and that the earth connection is rugged to dissipate the… Read more
Dec 18, 2017 | By Edvard Csanyi
Transformers
How To Choose System’s Earthing Point And What Is The Practice Throughout The World
Normally in directly earthed and effectively earthed systems, every available neutral point is earthed. Deviations from this occur when the transformer’s neutral points are left unearthed. This is done to limit the maximum earth fault current which can arise to… Read more
Nov 27, 2017 | By Edvard Csanyi
Energy and Power
Ten equipment you MUST recognize in every distribution substation
Distribution substation is a substation from which electric supply is distributed to the different users. In a substation there are numbers of incoming and outgoing circuits each having its isolator, circuit breaker, transformers etc. connected to bus-bar system. These equipment… Read more
Aug 11, 2017 | By Edvard Csanyi
Premium Content
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Practical methods of reducing noise and interference on cables
A few practical methods of reducing noise will be examined in this technical article. These include a quantitative consideration of the effects of shielding, cable spacing, earthing (or grounding) and a note of specific problem areas on which to concentrate…....
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This content is not available in your premium membership plan. Please upgrade your plan in order to access this content. You can choose an annually based Basic, Pro, or Enterprise membership plan. Subscribe and enjoy studying specialized technical articles, online video courses, electrical engineering guides, and papers.With EEP's premium membership, you get additional essence that enhances your knowledge and experience in low- medium- and high-voltage engineering fields.
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Jul 15, 2017 | By Edvard Csanyi
Energy and Power
Lock-out tag-out practice and seven other steps that save lives
Lock-Out / Tag-Out (LOTO) refers to the specific practices and guidelines to safeguard employees from the unexpected start-up, movement, activation, energizing, release of energy, etc of machinery, equipment, plant, systems during service, maintenance or inspection activities. In short: To protect… Read more
Jun 16, 2017 | By Edvard Csanyi
