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Category 'Premium Content' - Technical Articles

Technical articles in the “Premium Contents” category are fully accessible to Premium Members only. Electrical engineering guides, specialist technical articles, and papers authored by experienced electrical engineers are all available to premium users. As an electrical engineer working in the Low-, Medium-, or High-Voltage fields, it will help you develop the professional technical skills you’ll need on the job.

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Power Substation

Five phenomena that could collapse the entire power system

Extreme contingencies typically indicate events that lead to the unavailability of numerous power system components or a cascading failure, such as the loss of transmission lines along a common right-of-way or faults with delayed clearance (e.g., a jammed breaker or protection…...

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Nov 17, 2025 | By

Five phenomena that could collapse the entire power system
Power Substation

Why do existing substations need to be automated

Let’s be honest, substation control and protection technology is advancing so fast that it’s amazing how quickly some of us become nostalgic for the past. That period used to be 20-30 years, but nowadays it’s about just 5-10 years. I’m not…...

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Nov 03, 2025 | By

Why do existing substations need to be automated
Energy and Power

Preventing new grid connections from creating unacceptable disturbances for other users

To be honest, power grids are not perfect; on the contrary, most of them are far, far away from perfect, or even good. Therefore, what makes a power grid perfect or good? Well, in a power industry, maintaining voltage quality…...

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Oct 20, 2025 | By

Preventing new grid connections from creating unacceptable disturbances for other users
Energy and Power

Hidden Problems in Commissioning of Power Plants (You’re not Counting On)

Commissioning of a power plant or an industrial plant is not that simple, on contrary, it’s full of hidden traps and logical challenges. In power plants, the generating units are substantial operational blocks, tested individually alongside the water or fuel…...

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Oct 06, 2025 | By

Solving Problems in Commissioning of Industrial and Power Plants
Power Substation

Cutting-edge technology utilized in modern substations (that every engineer SHOULD learn)

The design of substations is to deliver a cost-effective solution that, to the extent feasible, exhibits high availability, reliability, and operational flexibility. This rule applies to both newly constructed and 40-year-old substations from a utility standpoint. Although this is feasible,…...

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Sep 22, 2025 | By

A must-have knowledge for engineers working on power substation designs
Energy and Power

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

P28 Study in Modern Power Systems: What Is It and Why It Matters Nowadays
Power Substation

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

Substation Safety and Switching Rules You MUST Follow
Power Substation

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

Checks for Successful Substation Factory Acceptance Testing
Energy and Power

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

How to estimate transformer performance and characteristics
Premium Content

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

Islanding in DER-Integrated Distribution Systems: Planning, Control, and Anti-Islanding Protection
High Voltage

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

What to expect from an old GIS and what are the options for support and life extension
Energy and Power

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

Loading issue that seriously affects transformer operation
Premium Content

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

The Problems of Modern Distribution Systems in the Age of Distributed Energy Resources (DERs)
Power Substation

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

Behind upgrading the 50+ years old 132/11 kV substation
Power Substation

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

Why do power grid crashes and total blackouts happen?


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