Power Substation
Functional testing of IEC 61850 based Substation Automation Systems
Testing the protection element settings of IEDs and protection schemes are well established practices when testing a Protection, Automation and Control (PAC) system. Tools and methods are available to support standardized and automated protection testing routines. Test plans can be… Read more
Feb 08, 2021 | By Christian B. and Eugenio C. at OMICRON
Power Substation
Improving the cybersecurity of substations using intrusion detection
Multiple layers are necessary to ensure the cybersecurity of substations. Cryptography allows authentication of devices, but not all attacks can be prevented with these measures. Firewalls and “air gaps” can be circumvented through existing remote access tunnels, or through maintenance… Read more
Nov 16, 2020 | By Andreas Klien
Power Substation
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How to convert an old substation into a digital substation?
Typically, substations comprise power elements like power transformers, switches, busbars, etc. and control elements like protection units, metering units, RTUs, SCADA, etc. While the power elements are mandatory requirements, the control elements vary as per the function of a substation…...
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Sep 07, 2020 | By Bishal Lamichhane
Power Substation
IED (Intelligent Electronic Device) advanced functions that make our life better
Intelligent electronic devices (IEDs) have been deployed extensively in power automation systems recently, and the shift from RTUs to IEDs is evident due to the integration and interoperability features of the IEDs. This technical article briefly explains the IED advanced… Read more
Oct 16, 2019 | By Edvard Csanyi
Power Substation
Integration of IEC 61850 in power plant automation, control, and protection systems
IEC 61850 is much more than a protocol. The general scope of the standard is designed to support the communication of all functions being performed in a substation. Its main goal is interoperability and this is the ability for IEDs… Read more
May 29, 2019 | By Edvard Csanyi
Power Substation
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Remote control systems and communication devices in secondary substations
This technical article deals with the devices that make possible the interface with the primary process (e.g. cables and switchgear) in a secondary substation from a central point, like central control databases/systems that facilitate all kinds of stakeholders with data…....
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Mar 25, 2019 | By Edvard Csanyi
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Why more and more automation in power distribution? Aren’t we already automated?
One may wonder why is everybody talking more and more about automation in power distribution. Aren’t we already automated? Well, we are not. It can always be better, faster, with more possibilities and more optimized. This is something that pushes…...
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Feb 28, 2019 | By Edvard Csanyi
Power Substation
Six steps for specifying IEC 61850 and substation automation requirements
It is not easy to read the IEC 61850 documents or to comprehend how the pieces all work together. When implementing systems as complex and as new as substation automation, substation engineers will need to work closely together with the… Read more
Feb 06, 2019 | By Edvard Csanyi
Power Substation
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7 essential functions of a digital substation automation system (SAS)
As you already know, every power substation consists of a group of HV devices whose individual sizes depend on substation operation voltages, which is called the primary equipment, as well as by a lot of low voltage smaller components, which…...
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Oct 05, 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
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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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Jul 25, 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 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
