Power Substation
The essentials of electrical distribution systems every engineer should know
Electrical distribution systems are an essential part of the electrical power system. In order to transfer electrical power from an alternating current (AC) or a direct current (DC) source to the place where it will be used, some type of… Read more
Sep 03, 2018 | By Edvard Csanyi
Power Substation
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Single phase and three phase capacitive-load switching in transmission & distribution systems
The interruption of capacitive currents is a usual switching case, unlike the making and breaking of fault currents. The usual cases, in which a capacitive current is switched, are switching of unloaded overhead transmission lines, local substation components, cables, capacitor…...
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Aug 30, 2018 | By Edvard Csanyi
Power Substation
The four most common switchgear-based substation types
The subject of this article is to discuss few most common types of MV/HV power substations based on the type of distribution switchgear, which can be seen in every distribution network. There are a number of methods of construction of… Read more
Aug 29, 2018 | By Edvard Csanyi
Power Substation
The zone selective interlocking logic of protection relays
This function significantly reduces the tripping time of the circuit breakers closest to the source. It can be used for zone selective interlocking (ZSI) in closed ring networks. It applies to the phase overcurrent 50/51, directional phase overcurrent 67, ground fault… Read more
Aug 27, 2018 | By Edvard Csanyi
Power Substation
Protocols applied for time synchronization in a digital substation automation
Substation automation is a mission-critical task and electric power utilities must synchronize across large-scale distributed power grid switches in a substation to enable smooth power transfer and maintain power supply integrity. Precise time synchronization is therefore required to ensure that… Read more
Aug 22, 2018 | By Edvard Csanyi
Power Substation
The network of data acquisition in a digital substation
The data acquisition in electric power system is very important and includes a lot of areas such as substation. Digital substation is one of the key parts of smart grid and the network of process layer is an important foundation… Read more
Jul 30, 2018 | By Edvard Csanyi
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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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 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
