Power Substation
Using full potential of IEC 61850 with these 2 functions for digital substation automation
Since IEC 61850 was published as an international standard for communication in substations, the standard has found broad acceptance on the markets. In the first substations to use it, the primary aim was successful implementation of existing concepts and solutions… Read more
Jul 04, 2018 | By Edvard Csanyi
Power Substation
What is the digital substation and what makes it digital?
The Digital Substation is a term applied to electrical substations where operation is managed between distributed intelligent electronic devices (IEDs) interconnected by communications networks. It became possible by using computing technology in the substation environment. Microprocessors were introduced into substation… Read more
Jun 27, 2018 | By Edvard Csanyi
Power Substation
How Arc suppression reactors (Earth fault neutralisers or Petersen-coils) work?
Arc-suppression reactors are also named earth fault neutralisers or Petersen-coils after W. Petersen who launched the idea of this particular reactor application early in the previous century. In high voltage power systems single-phase earth faults may take place. These may… Read more
Jun 25, 2018 | By Edvard Csanyi
Power Substation
Four ways to bolster the short-circuit withstand capability of HV transformers
There are many methods applied to bolster the short circuit withstand capability of the transformers: improvement of the materials, reforming of the design and good maintenance in the operation process and so on. However, this article deals with methods for… Read more
Jun 13, 2018 | By Edvard Csanyi
Low Voltage
MV/LV Power Substations Design and Schematics Notes (Network Supply and Enclosure Types)
Early consultation with the local Electricity Distributor is essential for agreement on a mutually approved MV/LV substation to act as the intake point for a particular site. This consultation is usually before detailed knowledge of the plant or project is… Read more
Jun 11, 2018 | By Edvard Csanyi
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Critical role of time synchronisation in IEC 61850 based digital protection systems
The needs and exact precision of time synchronization in IEC 61850 based digital protection systems have evolved. With new technologies and better distribution methods, most modern intelligent electronic devices (IEDs) include at least one form of time synchronization. Many devices…...
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Jun 08, 2018 | By Edvard Csanyi
Power Substation
The essential physics behind transformer differential protection (You MUST know)
Transformers are important system components available in many different constructions. The range of HV transformers reaches from small distribution transformers (from 100 kVA) up to large transformers having several hundred MVA. Apart from a large number of simple two and… Read more
May 14, 2018 | By Edvard Csanyi
Power Substation
The story of IEC 61850 – A substation level data acquisition architecture and communication protocol
This technical article reviews substation level data acquisition architecture and communication protocol described in IEC 61850. IEC 61850 is the current international standard for substation automation (SA). The focus of IEC 61850 is to provide an interoperable standard for multivendor… Read more
May 09, 2018 | By Edvard Csanyi
Power Substation
The Most Used Outdoor Switchyard Layouts You Should Know About
The arrangement of outdoor switchgear layouts and installations is mostly influenced by economic considerations, in particular adaptation to the space available and the operational requirements of reliability and ease of supervision. Contents: Switchyard layout in general Selected layout examples: Low… Read more
May 07, 2018 | By Edvard Csanyi
Power Substation
Three Common Transformer Phenomena That Should Worry Substation Engineers
Even with the best engineering practices, abnormal situations can arise that may produce damage to power transformer and other equipment and compromise the continuity of the delivery of quality power from the utility. So, let’s say a word about three… Read more
May 02, 2018 | By Edvard Csanyi
Power Substation
6 different types of relaying schemes to protect the EHV and UHV transmission lines
A substation can employ many relaying systems to protect the equipment associated with the station. The most important of these are: transmission and distribution lines emanating from the station, step-up and step-down transformers, station buses, breakers, shunt and series reactors… Read more
Apr 18, 2018 | By Edvard Csanyi
Power Substation
Reliability Or Unreliability Of Capacitor Banks, Failure Modes and Case Ruptures
Several problems contribute to the overall reliability or unreliability of capacitor banks. In a detailed analysis of Kansas City Power & Light’s automated capacitor banks, Goeckeler reported that blown fuses are the biggest problem, but several other problems exist. Their automation… Read more
Apr 16, 2018 | By Edvard Csanyi
Power Substation
Coordination problems in electrical networks that lead to nuisance CB tripping
There are a number of problems that commonly occur in industrial and commercial networks, and some of them are covered in the following paragraphs. Coordination malfunctioning is leading to nuisance tripping of circuit breakers and unwanted electrical effects. Let’s discover… Read more
Apr 11, 2018 | By Edvard Csanyi
Power Substation
HV Substation Equipment For Engineers In a Nutshell
Substations are locations where transmission lines are tied together. They fulfill a number of functions. One of them is that they allow power from different generating stations to be fed into the main transmission corridors. Power substations also provide a… Read more
Apr 09, 2018 | By Edvard Csanyi
Power Substation
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The Essentials Of Substations, Electrical Equipment and Busbar Arrangements
Electrical power systems nowadays are generated, transmitted, and distributed in the form of alternating current. The electric power is produced at the power stations which are located in suitable places, generally quite away from the consumers. It is delivered to…...
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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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Apr 06, 2018 | By Edvard Csanyi
