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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...
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6 different types of relaying schemes to protect the EHV and UHV transmission...
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,...
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3 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...
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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...
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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...
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MV/LV Power Substations Design and Schematics Notes (Network Supply and...
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......
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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...
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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...
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Using full potential of IEC 61850 with these 2 functions for digital...
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... Read...
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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...
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8 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... Read moreThe post 8...
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Current and voltage digital transformation in a modern substation protection...
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......
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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... Read moreThe post The network...
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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...
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The 4 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... Read moreThe post The...
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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... Read...
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Applying CTs in protection schemes for transformers, generators, machines etc.
Various types of instrument transformers are currently in use on the basis of the varied applications of these devices. The construction aspects and sizing play an important role in the... Read moreThe...
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Secondary equipment you should always consider when retrofitting existing HV...
This approach assumes retrofitting and upgrading old substation secondary equipment such as intelligent electronic devices (IEDs), monitoring sensors, power apparatus, communication protocol and...
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Busbar protection schemes for distribution substations
Busbars play an important role in power transmission and distribution. They are employed as a central distribution point for all feeders. In the case of a fault, current on the... Read moreThe post...
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MV/LV transformer protection against temperature rise, overloads,...
When selecting the type of transformer correctly electrical engineer needs to know its different electrical and thermal properties and the resistance to stresses due to faults or normal service of......
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