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T&D Companies

Building a Competency Program

At Valard, our people are the core and health of our business. Without our people, we have nothing. In fact, one of our slogans is “People. First.” However, being a people company means some of our biggest challenges are created by people. Our challenges are unique, as is each person...

T&D Products

Protecting Electrical Sites with Intelligent Security Lighting

There are over 70,000 electrical substations in the United States. A simultaneous attack on several of them could destabilize the grid and cause widespread blackouts. But even a non-targeted event like vandalism or copper theft can also cause substantial damages, easily reaching into the tens of...

Growth & Innovation

Duke Energy Approved to Deploy New Power Generation in NC

Duke Energy has received approval from North Carolina regulators to deploy a significant amount of new power generation capacity in the state, including new natural gas plants, as part of its long-term energy transition strategy. The decision, which is expected to have a major impact on the...

Software and Apps

EFACEC case study

The EFACEC Group is leading the supply of integrated solutions and equipment in the market of power generation, transmission and distribution. The Group forms a complete value chain, from building turnkey projects to equipment manufacture, where integrated solutions are developed and designed in...

State of Industry

How Utilities Can Master Customer Engagement

Addressing the new energy customer engagement paradox BY GREG GUTHRIDGE, NICHOLAS HANDCOCK & JULIE TARTAGLIA, Accenture For utilities, the foundation of the energy marketplace is shifting. Providers face a market in flux with largely stagnant energy demand, shifting regulatory landscapes,...

Industry News & Trends

Utility News

US Nuclear Industry Needs Further Policy and Regulatory Advances: Insights from the NCEW Panel

The U.S. nuclear industry stands at a critical juncture, as it seeks to play a pivotal role in the country’s energy future. A recent panel discussion at the Nuclear Coalition for Energy Workforce (NCEW) underscored the pressing need for enhanced policy and regulatory frameworks to support...

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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 open circuit, and synchronism motion issues.

Zensol’s DRM principle

Tap windings are powered with a DC voltage source. The current fluctuations are recorded during the switching process. The schematic below shows the principle of the...

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