Energy and Power
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P28 Study in Modern Power Systems: What Is It and Why It Matters So Much Nowadays
The reliable operation of modern power systems depends not only on the robustness of infrastructure but also on the technical standards that govern their design, operation, and connection requirements. In the United Kingdom, these standards are developed and maintained by…...
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Sep 08, 2025 | By Muhammad Kashif
Power Substation
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Substation Safety and Switching Rules You MUST Follow
This technical article describes the safety rules the switching operator must comply with when undertaking switching, and providing access for others required to work on the electrical network. We’ll describe the critical matters relating to safe switching operations, it is…...
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Aug 25, 2025 | By Edvard Csanyi
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
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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
Premium Content
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Islanding in DER-Integrated Distribution Systems: Planning, Control, and Anti-Islanding Protection
The global energy landscape is undergoing a transformative shift, with Distributed Energy Resources (DERs) such as solar photovoltaics, wind turbines, battery energy storage systems, and controllable loads becoming increasingly prevalent in modern distribution networks. This article explores the planning, control,…...
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Jul 14, 2025 | By Muhammad Kashif
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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Jun 30, 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
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The Problems of Modern Distribution Systems in the Age of Distributed Energy Resources (DERs)
The evolution of power distribution networks is being shaped by unprecedented growth in distributed energy resources (DERs), particularly rooftop solar and other inverter-based technologies. Traditionally designed for one-way power flow from substations to end-users, distribution systems are now experiencing reverse…...
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Jun 02, 2025 | By Muhammad Kashif
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
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
Electric Motor
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MCC Circuit Featuring Auto Re-Closure Relay Functionality
An MCC circuit of a motor could be based on the Direct Online Starter (DOL) or Star Delta Starter which has something to do with the requirement of the power system in an industry. But it could have additional logics…...
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Apr 14, 2025 | By Umer Nasir
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
Power Substation
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Design of Auto/Manual Changeover Logic Between Two Busbars Within a Substation
In any industry/plant, the operations rely heavily on interruption free supply of power to meet the targets of production. As a result, we see emergency generators, UPSs or renewable energy sources to save us from complete shutdown. This back-up or…...
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Mar 10, 2025 | By Umer Nasir
