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Electrical Transformers


RWE Expands Its Footprint with 450 MW of Battery Energy Storage in Texas

In a significant move for the renewable energy landscape, RWE, a leading global energy company, has announced the addition of 450 megawatts (MW) of battery energy storage capacity in Texas. This expansion underscores the growing importance of energy storage solutions in enhancing grid reliability...

Advancements in Dissolved Gas Analysis: Risk Assessment

In general, the purpose of periodic screening with DGA for power transformers is risk assessment. Is any transformer likely to fail in service? If so, how severe is the problem? Previous articles in this series have described ways to improve DGA interpretation. In this article we provide a glimpse...

Purchasing Reconditioned Electrical Equipment

Debunking the myths about tested and refurbished equipment BY RISHI SUDAN, RS Electrical Supply Extending the lifecycle of capital equipment such as 15-kilovolt circuit breakers, switchgear, and transformers through testing and reconditioning saves time and money by cutting down on new equipment...

Related Articles


Purchasing Reconditioned Electrical Equipment

Debunking the myths about tested and refurbished equipment BY RISHI SUDAN, RS Electrical Supply Extending the lifecycle of capital equipment such as 15-kilovolt circuit breakers, switchgear, and transformers through testing and reconditioning saves time and money by cutting down on new equipment...

hydrocarbon gas emission

Advancements in Dissolved Gas Analysis: CO/CO2 Ratio

For DGA interpretation, faults identified using hydrocarbon gases are considered more serious if they appear to affect paper insulation. That is made explicit in CIGRE technical brochure 771[1]. Production of hydrocarbon gases from the oil by electrical or thermal stress does not significantly...

Designing A Safe & Reliable Transformer Maintenance Program

The critical importance of power to every aspect of our world cannot be over-exaggerated. It must be generated and distributed effectively to end users, and any disruption in that process means loss of operations, money, and in extreme cases, life. Therefore, the reliability of power creation and...

transformer oil

Leakers, What a Mess!

Electric Substation apparatus, transformers and circuit breakers, are the workhorses of the electric transmission grid. Our focus in this article is on the issue of dielectric media leaks. Specifically, oil in large power transformers and oil or SF6 gas in power circuit breakers. Oil and gas leaks...


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