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… Read more
Nov 16, 2020 | Andreas Klien
How to convert old substation to 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…...
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Sep 07, 2020 | Bishal Lamichhane
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… Read more
Oct 16, 2019 | Edvard
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… Read more
May 29, 2019 | Edvard
Remote control systems and communication devices in secondary substations
This technical article deals with the devices that makes possible the interface with the primary process (e.g. cables and switchgear) in a secondary substations from a central point, like central control databases/systems that facilitate all… Read more
Mar 25, 2019 | Edvard
Three essential features of automation in power distribution systems
One may wonder why are 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…....
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Feb 28, 2019 | Edvard
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… Read more
Feb 06, 2019 | Edvard
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…...
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Oct 05, 2018 | Edvard
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… Read more
Aug 22, 2018 | Edvard
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…...
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This technical article/guide requires a Premium Membership. Get access to all premium HV/MV/LV technical articles, electrical engineering guides, and papers. Check out each plan's benefits and choose the membership plan that works best for you or your organization.You can choose an annually based Plus, Pro, or Enterprise membership plan.Log InSign Up
Jun 08, 2018 | Edvard
