Electrical Substations

Substation Testing & Maintenance

Properly Grounded Substations

Adequate utility grounding improves power quality, but more importantly, it is essential for worker safety as well as public protection. Design is critical in maintaining a safe equipotential environment all around the substation. Construction is important to accommodate fault currents without...

Breakers & Relays

SAME DAY SWITCHING

Same day switching avoids the extended outages and human and equipment costs associated with inoperable and broken switches.The vast majority of air break disconnect and ground switches in electric power networks typically receive no appreciable maintenance. This invariably results in the inability...

Lightning Protection

Pennsylvania’s Yaw Bill

In a significant move for Pennsylvania’s energy sector, State Senator Gene Yaw has introduced a transformative piece of legislation aimed at modernizing the state's approach to power plant development and capacity management. The bill, which has been the subject of considerable discussion,...

Physical Security & Monitoring

Utilities Await New Physical Security Standard

U.S. regulator takes next step in approving physical security standard BY PHILL FELTHAM, Editor-in-Chief Electricity Today Magazine Recently, the Federal Energy Regulatory Commission (FERC) announced a proposal to approve the physical security reliability standard (CIP-014-1), submitted by the...

Substation Technologies

Circuit Breaker Time and Motion Testing

Determining mechanical condition of high-voltage circuit breakers BY JOZEF LEVI, Doble Engineering Company Life expectancy of a newly installed high-voltage circuit breaker is approximately 40 years. Throughout its life, under normal circuit conditions, the circuit breaker will operate less than...

Substation Automation

Smart Substations and Their Role in the Evolving Smart Grid

A Smart substation digitizes protection and control, enabling utilities to detect faults faster, manage DER volatility, and reduce outage risk. The payoff depends on architecture, cybersecurity, and edge analytics, not just new relays. The shift toward smart substations is inseparable from broader...

Home Transformation Electrical Substations

Substation Architecture Protection

Solving common mistakes in communications cabling for electrical utilities

BY FRANK KODITEK, Belden Inc.

In the energy industry, there are numerous types of cables in use for a wide variety of applications, from transporting high-voltage current for miles to providing power and data connectivity within and among substations and to and from control centers. For the purposes of this article, we will be looking at the communications cables that are the veins and arteries of...

Electrical Substations Articles

Physical Security & Monitoring

T&D Buyer’s Guide Companies

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Electrical Substations Products

M7100 High-Voltage Asset Analyzer

DILO 3-033-R002 SF6 Gas Leak Detector

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