Power Substation
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Checks for Successful Substation Factory Acceptance Testing
This technical article will go over various aspects of factory acceptance testing (FAT) for custom prefabricated power substation and its related electrical components (such as MV and LV switchgear, MV-LV Motor Control Centre (MCC), UPS systems, AC/DC auxuliary power supply…...
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Aug 11, 2025 | By Edvard Csanyi
Energy and Power
A Closer Look at the Transformer Cooling Equipment
I’m sure that you are already aware of how important cooling is for a transformer’s lifespan. A rise of 55 to 65 degrees Celsius is the typical design for transformers. Modern insulations like Nomex make it possible to reach temperatures… Read more
Aug 04, 2025 | By Edvard Csanyi
Energy and Power
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How to estimate transformer performance and characteristics
Assuming that you have a general understanding of transformer parameters and IEC Standards in use, this technical article is aimed at providing a variety of tools and data to make an educated assessment of the principal transformer performance ratings. Derived…...
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Jul 28, 2025 | By Edvard Csanyi
Energy Generation
Mistakes in generator protection that operators often make
Protecting a generator requires more than just a single relay. It’s a system that includes auxiliary relays, communication with SCADA or similar systems, wiring from CTs and PTs (sometimes called VTs), and protective relays, which can be standalone devices or… Read more
Jul 21, 2025 | By Edvard Csanyi
High Voltage
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What to expect from an old GIS, and what are the options for support and life extension
Every new GIS switchgear eventually gets old and obsolete at the end of its lifetime. Problems with GIS, as with every other switchgear type, typically start after the midpoint of the lifecycle. This is the point at which the end…...
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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 30, 2025 | By Edvard Csanyi
Power Substation
Best Practice in Substation Oil Containment
Numerous firms in emerging sectors offer conceptual substation oil containment solutions that remain unproven yet have been deployed. This has resulted in several installations of containment systems that are functionally ineffective. There have been and continue to be assertions that… Read more
Jun 23, 2025 | By Edvard Csanyi
Energy and Power
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Loading issue that seriously affects transformer operation
Before its on-site installation and commissioning, a transformer has been designed and tested to a particular specification or standard. In real life, a transformer must adapt to a number of variations from the standard operational criteria set down in these…...
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Jun 16, 2025 | By Edvard Csanyi
Power Substation
Twelve power system studies obligatory for the designing the offshore AC substation
This technical article describes the offshore AC substation design studies that involve more than one component or even the complete system. This involves reliability, availability and maintenance issues as well as system properties like total substation power, reactive power management,… Read more
Jun 09, 2025 | By Edvard Csanyi
Energy and Power
What is a Load Flow Study in Power Engineering
Load flow, sometimes known as power flow, are phrases that may be used interchangeably in power engineering. This term refers to a network solution that forecasts steady-state currents, voltages, and both real and reactive power flows across each branch and… Read more
May 26, 2025 | By Edvard Csanyi
Power Substation
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Behind upgrading the 50+ years old 132/11 kV substation
Let’s look at the 50+ years old 132/11 kV substation that needs refurbishing and uprating as an illustration of the complicated mix of concerns that need to be considered. It shows that there are more than just financial factors to…...
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May 19, 2025 | By Edvard Csanyi
Power Substation
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Why do power grid crashes and total blackouts happen?
Minimizing the likelihood of blackouts is of the highest importance due to the significant effects that would result from partial or total blackouts in highly industrialized nations. Additional difficulties have been and will be posed by the growing use of…...
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May 12, 2025 | By Edvard Csanyi
Maintenance
Thermal conditions of electrical equipment and temperature monitoring
Loose connections or worn out contact surfaces are the root causes of electrical system conduction troubles. They cause a local temperature increase, which worsens the contact quality even further as the current increases. This causes thermal runaway, which damages the… Read more
May 05, 2025 | By Edvard Csanyi
Power Substation
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Pitfalls hidden in determining transformer tank, bushings, insulation, and impedance
Managing specification and assets for large power transformers such as tank, bushings, insulation and short-circuit impedance is quite challenging. One mistake and you’re done! Power transformers play a real critical role in high-voltage transmission systems, providing strict voltage transformation, system…...
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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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Apr 28, 2025 | By Muhammad Kashif
Energy and Power
Best practices in earthing of metallic fences in HV outdoor substations
It is recommended that all substations have a perimeter fence surrounding the area where the electrical equipment is housed. As far as security measures go, it is the first line of defense. For the extra layer of protection, competent workers… Read more
Apr 21, 2025 | By Edvard Csanyi
Energy and Power
Mastering Operational Ratings of Medium-Voltage Switchgear
When you look at the IEC 62271-100 for MV breaker ratings, you will likely find a bunch of rated-something ratings. It could be hard for young engineers to catch up with all ratings, especially since several ratings are similar in… Read more
Apr 07, 2025 | By Edvard Csanyi
