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Optimal Transformer Efficiency Using Weighted Average

In order to improve the efficiency of electrical distribution in commercial buildings, the US Department of Energy (DOE) introduced regulations with more stringent minimums on transformer efficiencies in January 2016. This was covered under the Code of Federal Regulations 10 CFR Part 431.192 and...

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...

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...

Why Testing Rubber Goods Is Essential to Electrical Safety

The risk of injury, and even death, from electric shock is drastically reduced by taking a few simple steps with your rubber goods. Keep up with daily inspections and cleaning, use safe storage methods, and test your equipment regularly at an experienced, accredited testing lab. Why Rubber...

Grounding Electrodes

For years, manufacturers of ground rods have strived to develop technical specifications for the electrical industry which address the specific needs and applications of clients and endusers alike. One reason for stressing the importance of this was to assure that the customer would receive what...

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Reducing Nuisance Alarm Rates from On-Site Security Systems

The physical security of electrical generation, transmission, and distribution sites is critical. The potential risks of a security failure are clear: disruption to service, damage to equipment, and intruder fatalities.
To prevent costly incidents and meet the National Electrical Reliability Commission’s Critical Infrastructure Protection regulations (NERC CIP-014), electrical utilities need reliable, cost-effective physical security solutions. For these solutions to be a success, they must:

  • Reliably detect and deter would-be intruders.
  • Enhance intrusion assessment and response...

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