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
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
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Pitfalls hidden in determining transformer tank, bushings, insulation, and impedance
Managing specification and assests 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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Apr 28, 2025 | By Muhammad Kashif
Premium Content
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Four most important power transformer analyses
To be clear, nowadays, you can perform dozens of analyses on a transformer, and all of them are very important. However, it should not be that hard to separate a few of them, the most important ones. Let’s discuss insulation,…...
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Mar 31, 2025 | By Muhammad Kashif
Power Substation
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Alarms Coming From the Shunt Reactor You Must Never Ignore (and what should be done)
Nowadays, monitoring of transformers and shunt reactors is pretty much common. However, the difference is in the nuances. There are dozens of parameters that can be monitored and the the overall cost is not negligible at all. There are many…...
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Mar 24, 2025 | By Edvard Csanyi
Energy and Power
Seven steps to improve visual impact of a power substation
The aesthetics of the substation should be of greatest significance to the community. To ensure environmental compatibility and community acceptance, it is vital to involve the community in the early stages of a project. It is possible that environmental impact… Read more
Mar 17, 2025 | By Edvard Csanyi
Power Substation
Comprehensive Guide to Transformer Specification: Ensuring Compliance with IEC 60076 – Part 1
Power transformers are the backbone of modern electrical infrastructure, enabling the efficient transmission and distribution of electricity across vast networks. Given their critical role in maintaining grid stability and power quality, transformers must be designed, manufactured, and tested in accordance… Read more
Feb 24, 2025 | By Muhammad Kashif
Energy Generation
The issue of a proper phase sequence (CW or CCW) on electric motors and generators
Phase sequence or phase rotation is one of the most confusing concepts in the electrical engineering. It is often confused with motor rotation. For instance, one would say: “If it doesn’t turn the way you want it, just rewire two… Read more
Jan 06, 2025 | By Edvard Csanyi
Power Substation
What is a Load Tap Changer (LTC)?
We all experienced the ocasional flickering of the house lights during evenings. This usually indicates a load tap changer (LTC) adjustment, or a sign that the bulb is about to drop dead, but that’s not the subject of this article… Read more
Nov 04, 2024 | By Edvard Csanyi
Maintenance
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Managing power transformers in service: The most important economic aspects
Utilities are under intense pressure to maximize the use of their current transformer asset base in order to keep rates down while yet providing excellent reliability. In order to achieve higher loading during both regular and emergency operations, long-standing loading…...
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Sep 16, 2024 | By Edvard Csanyi
Energy and Power
Design engineering and the black start of a power plant
A black start refers to the ability of a power plant to restart itself using its own resources in the event of a complete shutdown and isolation from external power sources. Initiating a black start at an industrial plant might… Read more
Aug 19, 2024 | By Edvard Csanyi
Power Substation
What steps should be taken to avoid choosing the incorrect current and voltage transformers?
Electrical systems normally use current and voltage transformers for protection and measurement purposes. They represent the power system’s eyes and ears, and it’s essential to fully understand how they work, how to make the correct specification and most importantly, the… Read more
Mar 18, 2024 | By Edvard Csanyi
Energy and Power
Transformers in plant power distribution: The bigger picture
This technical article provides an overview of the various choices and assists electrical engineers in determining the criteria that should be included in the transformer specifications in order to meet the requirements of their particular application. A power plant often… Read more
Mar 04, 2024 | By Edvard Csanyi
