Power Transformers & Electrical Substations

Power Transformers

How to Improve Transformer Protection

Using symmetrical components for fault discrimination in differential protection BY IMRAN RIZVI, ABB Inc. Classical differential protection schemes are subject to ghost differential currents due to current transformer (CT) saturation and magnetization currents. Several methods are used to counter...

Electrical Transformers

Transformers and the Power Grid

Transformers and the power grid: A look at the critical components of the electrical system BY THE ELECTRO-FEDERATION TRANSFORMER COMMITTEE* Electrical transformers are a vital ingredient to the power grid. Without these assets, electricity generation and transmission over long distances would not...

Transformer Software & Technologies

Smart Transformers

Maximizing continuous and reliable power output, extending the life of a power transformer, and reducing maintenance costs are just a few of the benefits motivating electric utilities to move toward buying a “smart transformer”, electrical equipment integrated with Smart Grid-enabling software...

Electrical Substations

Substation Testing & Maintenance

Distribution Transformer DGA – The Future of Monitoring Distribution Systems

By Leon White and Traci Hopkins, H2scan Corporation As distributed generation, electric vehicle load, and requirements for increased electricity reliability provide real-world challenges for electric utilities, asset managers must innovate to ensure their infrastructure is in good condition to...

Substation Technologies

Inside the Digital Substation Upgrade: Migrating to IEC 61850 Ed. 2.1, Process Bus, and Interoperable Testing

From Hardwiring to Data Networking The modernization of substations is as much a communications revolution as a protection one. For decades, copper conductors carried analog signals from instrument transformers to relays and controls. Each new circuit meant more wiring, more panels, and more room...

Physical Security & Monitoring

FERC Conference Highlights Challenges in Resource Adequacy

The Federal Energy Regulatory Commission (FERC) recently hosted the Co-Located Load Conference, a significant event that focused on resource adequacy, energy reliability, and the challenges of ensuring sufficient electricity supply amidst changing grid dynamics. As the energy landscape continues to...

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Transformation

Insights from the Field: How Thermal Cameras Safeguard Remote Substation Perimeters

The Insights from the Field series features insight from experts who recommend, deploy, and use thermal imaging technology daily. Let's discuss the diverse applications of thermal technology in security, safety, and equipment protection for critical infrastructure. Thermal cameras can monitor the perimeter and core electrical substation components for signs of overheating and unauthorized access.

Security personnel must be able to detect unauthorized vehicles and individuals quickly at critical infrastructure sites. Without intrusion detection, entities like...

Transformation Articles

Metal Enclosed Electrical Bus, The Lifeline to the Transformer, What You Should Know and Why It’s Important to Your Bottom Line

Outage Management & Restoration

Preventing Losses Due to Wildlife Contacts in Electrical Substations

T&D Buyer’s Guide Companies

Transformation Videos

Introducing Critter Guard

Power Outages in the United States

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Catalog

Electricity Today T&D Magazine