Electrical Substations

The Role of Digital Twins in Substation Management and Grid Optimization

In recent years, digital twin technology has emerged as a game-changer in various industries, and the power sector is no exception. Digital twins are transforming…
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Latest Electrical Industry News

Extend the Life of Your Circuit Breakers

What to ask to ensure proper circuit breaker testing and maintenance BY ROBERT FOSTER, Megger Protecting a utility’s assets is essential. There are many different…
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substation assets online monitoring

End-to-End Monitoring Systems Feeds Situational Awareness

For many years the limit for normal apparatus loading was based on the maximum nameplate rating or an arbitrarily set value, called ‘the red line’.…
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Substation Maintenance Best Practices

Improving substation maintenance best practices for greater success BY BUDO MILOVIC, DV-Power Currently, substation maintenance—regular or emergency—operations and best practices must fit the utility’s goal…
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12 Tips to Protect Against Common Lineworker Safety Hazards

Lineworkers face numerous risks daily, from respiratory ailments to electrical hazards. These dangers can result in severe injuries, low blood pressure, bleeding, and vomiting. However,…
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How Dangerous is Linemen Work?

Many occupations pose risks to workers, but few match the dangers that linemen face daily. Linemen play a critical role in maintaining and restoring the…
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FERC Complaint Targets Duke, PJM Transmission Planning

A coalition of large energy consumers and ratepayer advocates has filed a complaint with the Federal Energy Regulatory Commission (FERC), urging the agency to prohibit…
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switching times on medium and high voltage Gas Insulated Switchgear

Effective and Safe Testing of GIS Switchgear

To fully assess the functionality of medium and high voltage circuit breakers, various mechanical and electrical parameters must be tested. Gas-insulated switchgear (GIS) in particular…
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Electrical Substations Articles

Zero-Trust Substations: How CIP Is Shifting from Perimeter Defense to Continuous Vendor and Supply-Chain Risk Management

Zero-Trust Substations: How CIP Is Shifting from Perimeter Defense to Continuous Vendor and Supply-Chain Risk Management

Utilities are rethinking cybersecurity. The zero-trust model replaces perimeter defense with continuous verification—of every device,…
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Selecting Substation Medium-Voltage Switchgear: GIS vs. AIS

Selecting Substation Medium-Voltage Switchgear: GIS vs. AIS

Understanding differences between GIS and AIS in five points BY GAETAN DJENANE, Schneider Electric, Inc.…
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Inside the Digital Substation Upgrade: Migrating to IEC 61850 Ed. 2.1, Process Bus, and Interoperable Testing

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…
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The Smart Grid Prophecy

The Smart Grid Prophecy

For years, industry publications have touted Smart Grid cost-benefit study results that show Smart Grid…
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Circuit Breaker Time and Motion Testing

Circuit Breaker Time and Motion Testing

Determining mechanical condition of high-voltage circuit breakers BY JOZEF LEVI, Doble Engineering Company Life expectancy…
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