Medium Voltage
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Nine topologies of medium voltage ring-main systems you should know about
Power systems are constructed can be operated as radial systems, ring-main systems or meshed systems. This technical article deals with nine most common topologies of ring-main systems, their characteristics and applications. Ring-main systems are common in the medium voltage range…....
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Jul 27, 2018 | By Edvard Csanyi
Premium Content
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Current and voltage digital transformation in a modern substation protection and automation
Developments in communication have done much to realize the digital substation, but to realize a full digital substation it is necessary to have everything in digital form. Whilst much substation protection, control, and automation technology has always been digital (trip…...
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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 25, 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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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 12, 2018 | By Edvard Csanyi
Datacenters
Eight substation equipment needed to power up data center
A few years ago I participated in an interesting project Telenor Data Center in Belgrade – The most advanced technical building in the region of Central and Eastern Europe. The building extends to 2,600 square meters and has the most… Read more
Jul 11, 2018 | By Edvard Csanyi
Power Quality
Why to automate power substation? What do you get?
Substation automation involves the deployment of substation and feeder operating functions and applications ranging from SCADA and alarm processing, to integrated volt-var control in order to optimize the management of capital assets and enhance operation and maintenance efficiencies with minimal… Read more
Jul 09, 2018 | By Edvard Csanyi
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
Premium Content
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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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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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Jun 08, 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
