Power Transformers & Electrical Substations

Power Transformers

Zensol new instrument for OLTC testing

According to CIGRE A2.34, the dynamic resistance measurement or DRM (OFFLINE) is a test that offers diagnostics for several diverter or selector switch malfunctions such as: contact problems, broken springs, broken transition resistors, poor contact pressure, inadequate transition time, momentary...

Transformer Testing & Maintenance

Navigating the Transformer Supply Crunch: Strategies for Utilities Amidst Global Shortages

The Growing Transformer Supply Crisis The global transformer supply chain is facing unprecedented challenges, with utilities worldwide struggling to procure essential equipment due to material shortages, manufacturing delays, and logistical constraints. Transformers are the backbone of electrical...

Transformer Monitoring

Protection of Electrical Power Transformers

INTRODUCTIONIn most large electrical systems, generators and power transformers are the two most expensive pieces of equipment. In addition to the capital cost of purchase, these two key devices are also the most critical to continuous and reliable operation of the system.Consider, for example, the...

Electrical Substations

Substation Technologies

Substation Architecture Protection

Solving common mistakes in communications cabling for electrical utilities BY FRANK KODITEK, Belden Inc. In the energy industry, there are numerous types of cables in use for a wide variety of applications, from transporting high-voltage current for miles to providing power and data connectivity...

Substation Technologies

Animal Outage Prevention

According to the American Public Power Association, squirrels are among the top causes of power outages across the United States. Depending on your geographic region, there may be no “quiet” season - squirrels and other “Critters” can be active all year long.Since...

Substation Protection

Substation Focused on Environmental Design

One of the important trends in design of new overhead lines over the past 20 years has been development of structures and designs that are less obtrusive and more pleasing visually. Much the same process has also been going on at substations. For example, even 25 years ago, efforts had already been...

Home Transformation

Transformation

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’.

On-line monitoring of power transformers and circuit breakers for condition assessment has gained popularity over the past twenty-five years, the typical technology adoption period, from concept to commercial reality in the electric utility industry.

What are the benefits of implementing End-to-End monitoring of power transformers and
circuit breakers?

Provides Situational...

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M7100 High-Voltage Asset Analyzer

DILO 3-033-R002 SF6 Gas Leak Detector

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