Power Transformers & Electrical Substations

Electrical Substations

Geomagnetic Disturbances: A Danger to the Power Grid

In 1989, the Québec grid collapsed as equipment protection relays tripped in a cascading sequence of events. Six million consumers were left without power for up to nine hours. The cause of this major outage was a geomagnetic disturbance (GMD). Geomagnetic disturbances occur during solar...

Physical Security & Monitoring

Current Trends in Transmission and Distribution

Sargent & Lundy has provided comprehensive engineering, development, permitting, high-level consulting, construction management, and commissioning services for electric power generation and power delivery projects worldwide—approximately 2,000 clients in nearly 100 countries—since...

Substation Automation

High Voltage Direct Current (HVDC) Substations: Revolutionizing Long-Distance Power Transmission

High Voltage Direct Current (HVDC) technology revolutionizes long-distance power transmission, offering improved efficiency and reliability over traditional alternating current (AC) systems. This article explores the latest developments and applications of HVDC substations, providing a technical...

Power Transformers

Electrical Transformers

New options for insulation systems in power transformers

Introduction The development of new insulation materials has been critical in the evolution of the design of power transformers. Insulation systems for liquid filled power transformers are a combination of materials that are aimed to provide the required electrical, mechanical, thermal properties...

Electrical Transformers

Sweep Frequency Response Analysis

Sweep frequency response analysis: Reliable demagnetization of transformer cores BY MARKUS PÜTTER, MICHAEL RÄDLER, BORIS UNTERER, OMICRON electronics GmbH Whenever a power or distribution transformer is isolated from the power system, it is very probable that residual magnetism remains in the...

Utility Transformers

TRANSFORMER INRUSH

ABSTRACTHere we discuss the phenomenon of transformer inrush; what it is and its significance to transformer protection design. INTRODUCTIONA couple of years ago in this Transformer Special Edition, we wrote an article that covered the most used transformer protection schemes. As was pointed out...

Home Transformation

Transformation

Transmission Construction Industry Leader Retires and Sells at Absolute Auction!

S.E., Inc. has been providing the very best in Transmission Powerline Construction for over (40) years throughout the Western United States. Brothers Mark, Steve, David, and Craig Sorenson have decided to retire and pursue other interests. Everything in the auction is owned by S.E., Inc. and will positively sell to the highest bidder without minimum or reserve!
S.E., Inc. has hired Hunyady Auction Company to conduct their liquidation. Hunyady Auction Company is celebrating their 35th...

Transformation Articles

T&D Buyer’s Guide Companies

Transformation Videos

Transformation Products

DILO 3-033-R002 SF6 Gas Leak Detector

M7100 High-Voltage Asset Analyzer

Transformation Shared Media

Catalog

Electricity Today T&D Magazine

Electrical Substations

Geomagnetic Disturbances: A Danger to the Power Grid

Current Trends in Transmission and Distribution

High Voltage Direct Current (HVDC) Substations: Revolutionizing Long-Distance Power Transmission

Power Transformers

New options for insulation systems in power transformers

Sweep Frequency Response Analysis

TRANSFORMER INRUSH

Transformation

Transmission Construction Industry Leader Retires and Sells at Absolute Auction!

Transformation Articles

Transmission Planning for Grid Security

Future-proofing Substations with Ethernet Technologies

Prevent Transformer Shutdown

Three Serious Questions to Ask Now About Condition Monitoring

The Dissolved Gas Analysis Toolkit

Utilities Await New Physical Security Standard

T&D Buyer’s Guide Companies

Transformation Videos

Power Outages in the United States

VLF E Series Product Training

Introducing Critter Guard

Transformation Products

DILO 3-033-R002 SF6 Gas Leak Detector

M7100 High-Voltage Asset Analyzer

Transformation Shared Media

Electricity Today T&D Magazine - Electrical Substations July&August 2021 Special Edition

Monitoring Solutions for Data Centers

Electricity Today T&D Magazine - Substation Automation Protection & Maintenance May&Jun Special Edition

Utilities Bank on IoT for Network Reliability Improvement to Decrease Lost Revenue

Converting Power Lines to Smart Wires

AI at the Substation Edge: Digital Twins and Predictive Maintenance for Transformers and Switchgear

Extend the Life of Your Circuit Breakers

Restoring Power: The Mobile Solution

The Digital Substation Vision: From Utopian Concept to Grid Backbone

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