Electricity Forum Intelligent Power Today Magazine Arc Flash Clothing
Electricity Today T&D Magazine
Archives

T&D Products

Rugged Tablets for Utility Fleet Vehicles

In reports analyzing the response of power utilities to incidents such as Hurricane Sandy, or the more recent ice storms on the east coast, one item has been remarkably consistent—the conclusion that communication requires improvements. The concern is not hard to fathom. Knowing accurately when...

CUEE is Back and as Big and Bold as Ever

It’s a show as large in scale as the challenges faced by the industry it serves, and as dynamic as the innovation that's being deployed to meet them. If you sell solutions to the electricity sector, you’ll want to seize this opportunity to reach operational and other key contacts within...

Optimizing Equipment Maintenance with Hour Meters

Proper equipment maintenance is crucial for maximizing uptime, extending service life, and minimizing unexpected failures. One of the most effective tools for achieving this is the hour meter—a simple yet powerful device that tracks the duration of equipment operation. By accurately logging...

FERC Complaint Targets Duke, PJM Transmission Planning

A coalition of large energy consumers and ratepayer advocates has filed a complaint with the Federal Energy Regulatory Commission (FERC), urging the agency to prohibit transmission owners from independently planning "local" transmission projects exceeding 100 kilovolts (kV). The coalition argues...

The Overlooked Benefits of High-Performance Powerline Conductors

Background:For over 100 years Transmission Engineers have relied on aluminum conductors strengthened by steel core wires, commonly referred to as ACSR conductors. These conductors offered reasonable performance and durability and were capable of operating at temperatures up to 93° C. Above this...

Communications, Data Hardening, and the Smart Grid

The SmartGrid continues to expand and gather new functions as needs expand. Automated metering, relay operation, RTU operation, electric management systems, remedial action schemes, SCADA, field reclosers, Synchrophasors, remote access, weather, and earthquake monitoring and future needs still yet...
Home News T&D Products

T&D Products

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...

T&D Products Articles

SorbWeb&tade; Plus System
battery life diagram
Technician working on DILO SF6 gas separator

T&D Buyer’s Guide Companies

T&D Products Videos

SDT340 Ultrasound Data Collector

Why Moisture in Bushings Can Cause Trouble

Photocontrol Failsafe Technology for Outdoor LED Lighting

T&D Products Products

M4100 Power Factor/Tan-Delta instrument - High Voltage Apparatus Tester

SF6 Gas Monitoring in Circuit Breakers

F8200 - Four-module test set

T&D Products Shared Media

Catalog

High Voltage, Inc. Product Catalog

Catalog

Electricity Today T&D Magazine - Transformers March/June2020 Special Edition

Article

A New Age for Toughened Glass Insulators