Power Transformers & Electrical Substations

Power Transformers

TRANSFORMER INRUSH

ABSTRACTHere we discuss the phenomenon of transformer inrush; what it is and its significance to transformer protection design. INTRODUCTIONA couple of years ago in this Transformer Special Edition, we wrote an article that covered the most used transformer protection schemes. As was pointed out...

Electrical Transformers

Sweep Frequency Response Analysis

Sweep frequency response analysis: Reliable demagnetization of transformer cores BY MARKUS PÜTTER, MICHAEL RÄDLER, BORIS UNTERER, OMICRON electronics GmbH Whenever a power or distribution transformer is isolated from the power system, it is very probable that residual magnetism remains in the...

Transformer Testing & Maintenance

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...

Electrical Substations

12 Tips to Protect Against Common Lineworker Safety Hazards

Lineworkers face numerous risks daily, from respiratory ailments to electrical hazards. These dangers can result in severe injuries, low blood pressure, bleeding, and vomiting. However, by adhering to established safety protocols, contractors and employers can significantly reduce the likelihood of...

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...

Cybersecurity in Substation and Grid Communications

As power systems become increasingly digitized and connected, the importance of cybersecurity in substation and grid communications has grown exponentially. With the integration of intelligent electronic devices (IEDs), SCADA systems, and remote monitoring, modern substations are now part of a...

Home Transformation

Transformation

RMS Energy Responds to the Changing Engineering Needs of Customers

Today’s electrical infrastructure in the United States might have been viewed as a work of science fiction when the first commercial power grid was conceived and built in New York’s lower Manhattan in the 1880s. But it didn’t take long for fiction to become fact. Thomas Edison’s brilliant and innovative design led to the propagation of more than 4,000 individual electric utilities by the early 1900s, paving the way for the immense transformation of how...

Transformation Articles

T&D Buyer’s Guide Companies

Transformation Videos

Introducing Critter Guard

Power Outages in the United States

Transformation Products

M7100 High-Voltage Asset Analyzer

Transformation Shared Media

Catalog

Electricity Today T&D Magazine