Electrical Substations

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…
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Latest Electrical Industry News

Utilizing Fault Resistance to Test Distance Relays

Taking power grid protection to an all-new level BY JASON BUNEO & RENE AGUILAR, Megger The testing of distance relays has evolved from testing simple…
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Lightning Strikes

In Canada, lightning flashes occur about 2.34 million times a year; with the highest levels of concentration during the summer months. While most lightning on…
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New data suggests real-time pricing can help customers save money

Most utility customers now pay an average price for electricity that changes little (if at all) over the course of the year. Average, flat-rate, real-time…
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FERC Rejects PJM Transmission Planning Change

The Federal Energy Regulatory Commission (FERC) has rejected a proposal from PJM Interconnection, one of the United States' largest regional transmission organizations, to alter its…
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Protective Relay Frustrations

Solving misoperation with line parameter measurements BY WILL KNAPEK, OMICRON USA Between 80 to 90 percent of all power system faults involve ground. Many protective…
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RTU and HMI Redundancy in Electrical Substations

As the substation RTU takes on more applications, such as Human-Machine-Interface (HMI), alarm annunciation, math & logic and “relay communication processing”, its need for high…
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DOE Grants $2.2B for Transmission and Storage Projects

In a landmark move aimed at accelerating the U.S. transition to a more resilient and sustainable energy grid, the Department of Energy (DOE) has announced…
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Electrical Substations Articles

Ethernet Cable Selection for Utilities

Ethernet Cable Selection for Utilities

Electric utilities are constantly searching for the most efficient, reliable and cost-effective methods to deliver…
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Extend the Life of Your Circuit Breakers

Extend the Life of Your Circuit Breakers

What to ask to ensure proper circuit breaker testing and maintenance BY ROBERT FOSTER, Megger…
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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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Reconditioned SF₆ Gas: An Environmentally Friendly Alternative

Reconditioned SF₆ Gas: An Environmentally Friendly Alternative

When it comes to medium and high voltage circuit breakers, there is no better electrical…
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The Fight Against Animal-Caused  Power Outages

The Fight Against Animal-Caused Power Outages

Every day across North America, animals enter electrical substations in search of warmth, food, shelter,…
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