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Energy and Power

Are your switchgear and electrical room safe?

What is safe when it comes to an older electrical equipment and internal-arc flash in electrical room. Substation operators generally assume that with the covers and doors closed, the switchgear is in a totally safe work condition. This technical article… Read more

Jul 07, 2025 | By

Are your switchgear and electrical room safe?
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
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

Best Practice in Substation Oil Containment
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)
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

What is a Load Flow Study in Power Engineering
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?
Power Substation

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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Apr 28, 2025 | By

Pitfalls hidden in determining transformer tank, bushings, insulation, and impedance
Electric Motor

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

MCC Circuit Featuring Auto Re-Closure Relay Functionality
Premium Content

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

Four most important power transformer analyses


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