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Category 'Transmission and Distribution' - Technical Articles

The “Transmission and Distribution” category contains technical articles dedicated to electricity transmission and distribution in high—and medium-voltage fields. This includes T&D equipment such as transmission and distribution lines, power transformers, capacitor banks, etc. Special attention is paid to installing, testing, and commissioning MV and HV equipment and troubleshooting various problems that may arise in power grids.

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
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
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
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?


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