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Substation Components—Part 5: Busbar Configurations

Substation Components—Part 5: Busbar Configurations

Here, we provide an overview of common substation busbar configurations—Single Bus, Main and Transfer, Double Breaker/Double Bus, Ring Bus/Ring…


Substation Components—Part 4: Isolators

Substation Components—Part 4: Isolators

This article explains the role of substation isolators, covering their purpose in visible isolation and safe operating sequences with breakers and…


Substation Components—Part 3:  Circuit Breakers

Substation Components—Part 3:  Circuit Breakers

This article explores the crucial role of circuit breakers in substations, covering their fundamental functions, interruption processes, and the…


Eco Wave, ‘Magic Ball’ Among Time’s Best 100 Inventions 2025

Eco Wave, ‘Magic Ball’ Among Time’s Best 100 Inventions 2025

Time selected several power industry innovations, including curbside electric vehicle charging, an electric ferry, a virtual power plant, and data…


News Oct 31, 2025 by Karen Hanson
Utilities Upgrade Grid Infrastructure as Energy Demand Surges

Utilities Upgrade Grid Infrastructure as Energy Demand Surges

PG&E and Entergy Mississippi have begun major grid infrastructure improvements to handle increasing energy demand.


News Oct 22, 2025 by Shannon Cuthrell
High-Voltage Testing and Insulation Coordination—Part 5

High-Voltage Testing and Insulation Coordination—Part 5

In the final part of this article series, we examine key field testing and online monitoring techniques for high-voltage insulation systems.


High-Voltage Testing and Insulation Coordination—Part 4

High-Voltage Testing and Insulation Coordination—Part 4

In this article, learn methods for mitigating lightning- and switching-induced overvoltages in high-voltage networks through surge arresters,…


Out of Sight: Remote-Operated Drones Automate Grid Inspection

Out of Sight: Remote-Operated Drones Automate Grid Inspection

In a world first, National Grid has used automated drones to inspect U.K. grid infrastructure Beyond the Visual Line of Sight.


News Oct 01, 2025 by Liam Critchley
High-Voltage Testing and Insulation Coordination—Part 2

High-Voltage Testing and Insulation Coordination—Part 2

Here, in Part 2, we examine insulation coordination and Basic Insulation Level (BIL) in high-voltage systems for reliability against transient…


High-Voltage Testing and Insulation Coordination—Part 1

High-Voltage Testing and Insulation Coordination—Part 1

In this article, we explore high-voltage insulation coordination, focusing on the nature of overvoltages, standardized impulse and withstand…


An Introduction to Bundled Conductors in Transmission Lines

An Introduction to Bundled Conductors in Transmission Lines

This article explores the design of bundled conductors for high-voltage transmission lines, highlighting their electrical and mechanical advantages.


Insulation Coordination Strategies for Series-Connected Multi-Terminal HVDC Systems

Insulation Coordination Strategies for Series-Connected Multi-Terminal HVDC Systems

Learn how to optimize and design a reliable insulation framework for an HVDC network, focusing on aspects like insulation clearance, voltage surge…


Power Transfer and Angle Stability in Long-Distance Power Transmission

Power Transfer and Angle Stability in Long-Distance Power Transmission

In this article, we will examine power transfer and angle stability. This is the final article in a 3-part series on long transmission line behavior.


An Introduction to Wave Propagation in Long-Distance Power Transmission

An Introduction to Wave Propagation in Long-Distance Power Transmission

In this article, we will examine wave propagation effects. This is the second article of a 3-part series on long transmission line behavior.


An Introduction to Surge Impedance in Long-Distance Power Transmission

An Introduction to Surge Impedance in Long-Distance Power Transmission

In this article, we will examine surge impedance loading and voltage profiles. This is the first article of a 3-part series on long transmission…


Modeling Medium and Long Transmission Lines for Power System Analysis

Modeling Medium and Long Transmission Lines for Power System Analysis

This second article in the series applies our knowledge about power system modeling to medium and long transmission lines.


Introduction to Transmission Line Modeling for Power System Analysis

Introduction to Transmission Line Modeling for Power System Analysis

This article series explores the modeling of short, medium, and long transmission lines for reliable simulation of power flow, voltage behavior,…


New Consortium Aims to Reduce Impediments to Expanded Transmission Capacity

New Consortium Aims to Reduce Impediments to Expanded Transmission Capacity

As high-voltage transmission line demand explodes in the U.S, a new consortium gearing up to tackle the key legal and regulatory changes needed to…


Giving A Second Life to Aging Cables: Understanding Cable Rejuvenation

Giving A Second Life to Aging Cables: Understanding Cable Rejuvenation

Learn how the dielectric strength of aging underground cables can be restored with a specialized silicone fluid, offering a cost-effective and…


A Guide to Electromagnetic Interference in High-Voltage Transmission Lines

A Guide to Electromagnetic Interference in High-Voltage Transmission Lines

The article explores the issue of electromagnetic interference (EMI) in high-voltage transmission systems, highlighting its sources, impacts, and…