Electricity Forum Intelligent Power Today Magazine Arc Flash Clothing

Electrical Substations



Breakers & Relays

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...

Power Transformers




Transformation

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 reactors. One component common to all these efforts, though, remains mostly out of sight of the public, if not out of mind for electrical engineers working to...

Transformation Articles