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The Problem with Birds in Substation Outages

Birds have been a problem for electrical substations since the first power distribution systems were built. The elevated components of substations create ideal perches and overhangs for birds to nest and find safety. Critical electrical substation design principles now include deterrent elements...

High Voltage Testing with AC Power Frequency

High Voltage, Inc. is a small design and manufacturing company located in the Hudson Valley region of New York State. Although small, we are a large presence in the electrical test equipment industry with a representative organization covering most of the world and a highly respected product line...

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...

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...

Power Transformer Failures

Electric utilities maximize utilization of their assets, while maintaining reliability. Power transformers are typically reliable, but have been known to fail suddenly and/or prematurely. Transformer failures are both costly and can leave customers dissatisfied, harming the reputation of a utility....

Radiator Fin(s) Leak Repair

Radiator fins are notorious for leaking at various locations. One of which is where the fins are attached (welded) to the horizontal bottom-run header. Measurements are taken so a weir box can be installed to cover the fin(s) that are leaking. It is preferred the weir box will cover above the...
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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 – unique background, unique experiences, and unique culture. We love celebrating our people’s uniqueness, which is part of our DNA. However, we need business alignment....

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OSHA FS3529 Fact Sheet – Lockout/Tagout Safety Procedures

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Electrical Safety and Arc Flash Handbook, Vol. 6

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