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Application of Symmetric Conditions in the Simulation of High Voltage Power Transmission Models

The height of the power transmitting towers is usually in the range of 10m to 40m and the separation between two consecutive towers is about 200m to 400m. In addition, the area of the ground that needs to be considered in the simulation is large. Therefore, Finite Element Method (FEM) is not suitable for simulation of this application. Whereas Boundary Element Method (BEM) is best suited for these open region problems. This paper refers to...

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Line Leakage Testing: Is It Right For Your Application

The Line Leakage test (LLT for short) is most often specified to be performed as a type test in a design or engineering laboratory or as a routine production line test on medical devices right before they ship. Not as commonly performed as a Dielectric Withstand or Ground Bond test in a production...
Renewable Energy News

The AI Solar Installation Robot

In a significant leap forward for the solar energy industry, Maximo, an advanced AI-enabled robot, is transforming the landscape of utility-scale solar installations. This innovative technology is set to revolutionize how solar panels are installed, offering increased efficiency, precision, and...

T&D Trends

Climate Change News

A Natural Solution for a Changing Climate

The article from The Nature of Things explores how beavers, often seen as pests, could become an unexpected solution to the increasing challenges posed by climate change, particularly in relation to droughts impacting farmlands. By examining how these industrious creatures could offer a natural way...

Smart Grid

Smart Grid, Smart Metering, T&D Automation

T&D Automation

Since 1952 Tallman has been Setting the Standard for Linemen

At Tallman Equipment, we are an employee-owned company that provides tools, equipment, and services for the construction and maintenance of Electrical Transmission and distribution infrastructure. Whether it’s a large, multi-state construction project, managing a storm, or providing power to...

Clean Energy Technology

Canadian government showcases environmentally friendly Smart Grid projects BY PHILL FELTHAM, Editor-in-Chief In recent years, the Federal Government of Canada has collaborated with electric utilities and other industry organizations to digitize the country’s power grid with clean energy...

Distributed Energy Resources - Small Scale Power

Distributed energy resources (DERs) can benefit the power system and individual homes and businesses. DERs can increase the resiliency and reliability of the power grid, reduce greenhouse gas emissions, reduce the overall power cost, and provide power at the point of use. Several types of DERs can...

Transmission Planning for Grid Security

Recent physical attacks on substations have heightened the industry’s awareness of the necessity for physical security of critical facilities on the bulk power system. The goal of the North American Electric Reliability Corporation (NERC) Critical Infrastructure Protection (CIP) reliability...

Inside the Digital Substation Upgrade: Migrating to IEC 61850 Ed. 2.1, Process Bus, and Interoperable Testing

From Hardwiring to Data Networking

The modernization of substations is as much a communications revolution as a protection one. For decades, copper conductors carried analog signals from instrument transformers to relays and controls. Each new circuit meant more wiring, more panels, and more room for error. IEC 61850 changes that model completely. By transforming measurement and protection data into digital packets, it turns the substation into a high-speed data network rather than a web of hardwired signals.
The adoption of Edition 2.1 refines this transformation. It corrects earlier ambiguities, improves interoperability guidance, and formalizes testing procedures. These refinements may sound...