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Transformer Oil Regeneration and Corrosive Sulfur

Enervac International ULC has been examining this issue for over 14 years with the help of our customers, mainly international power utilities, transformer manufacturers and transformer service companies. TRANSFORMER OIL REGENERATION PROCESSThe principal functions of the insulating fluid are to...

The SorbWeb™ Plus DRH4 Synergy

If you have oil-filled transformers, the law requires you to have a spill prevention plan in place, up to and including a secondary containment system to protect the environment and prevent oil from reaching navigable waters. Albarrie and Voltra Technology have partnered up to provide the power...

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.Unfortunately, by choosing substations as their home, birds risk injury and death,...

Bringing Science to Transformer Risk Management

Reliability-based Dissolved Gas Analysis is a new methodology that provides the most correct interpretation of dissolved gas analysis available today. All DGA testing is intended to identify transformers with heat-generating faults that break down the transformer’s internal insulation...

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...

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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Restoring Power: The Mobile Solution

Power has weaved its way into nearly every intrinsic detail of our lives. It has become an afterthought during the course of the day and indeed, it is a staple in our way of life.
In July of 2019, in the heart of the nation’s capital, a Potomac Electric Power Company (PEPCO) substation in Washington, D.C., experienced an equipment failure. In a matter of seconds, the power went out. The failure of the public utility transformer...

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