Power Transformers & Electrical Substations

Electrical Substations

Latest Power Outage Statistics and Causes Tracker

As the world’s technological landscape continues to grow and the demand for electricity increases, so too do the occurrences of power outages. Check out Critter Guard’s curated list where we track power outages statistics and data below or check out our power outages infographic. Power...

Substation Testing & Maintenance

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 poses unique and special challenges, including the connection of the test equipment. In today‘s world, where...

Substation Testing & Maintenance

Cyber Threats on the Rise Invest Now to Boost Power Grid Defenses

Critical infrastructure security is in the national spotlight. In 2020, the power grid and energy sector was the third most targeted sector for cyber-attacks, up from ninth place in 2019, and the threats are growing more sophisticated. The Biden administration recently issued a national security...

Power Transformers

Transformer Software & Technologies

Special Power: ‘Flexible Transformer’ Could Become The Grid’s New Superhero

The world is mobilizing to meet net-zero emission targets over the coming decades, and it seems that everywhere you look, countries are erecting wind turbines in the fields and off the coasts, switching from coal to natural gas, adding hydropower storage, and studying the next generation of nuclear...

Electrical Transformers

Harmonic Problems in Power Transformers

Preventing malfunction in power transformers BY ANDY SAGL, Megger Harmonics are another power quality phenomenon that can cause equipment to malfunction. Harmonics are a sinusoidal component of periodic waves that have frequencies that are multiples of the fundamental frequency. Harmonics can cause...

Transformer Testing & Maintenance

Advantages of Headspace Hydrogen Monitoring for Network Transformers

INTRODUCTION The utilization of online dissolved gas analysis monitoring has proven to be one of the most effective predictors of overall transformer health and condition. Monitoring can vary greatly from nine gas to single gas systems to best suit the customers application when considering...

Home Transformation

Transformation

Vacuum Interrupter Testing for Circuit Breakers

How to predict field life using vacuum interrupters

BY FINLEY LEDBETTER, Group CBS

Utilities have widely replaced older air-magnetic and oil interrupters for circuit breakers rated at one kilovolt (kV) or higher with vacuum interrupters (VI) due to higher interrupt capability. Vacuum interrupters also last up to 10 times the expected lifetime than newer sulfur hexafluoride (SF-6) gas interrupters. Unfortunately, the downside to building a protective device with a long service life is that utility...

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Electrical Substations

Latest Power Outage Statistics and Causes Tracker

Effective and Safe Testing of GIS Switchgear

Cyber Threats on the Rise Invest Now to Boost Power Grid Defenses

Power Transformers

Special Power: ‘Flexible Transformer’ Could Become The Grid’s New Superhero

Harmonic Problems in Power Transformers

Advantages of Headspace Hydrogen Monitoring for Network Transformers

Transformation

Vacuum Interrupter Testing for Circuit Breakers

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DILO 3-033-R002 SF6 Gas Leak Detector

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