Transformer Testing & Maintenance

Protection of Electrical Power Transformers

INTRODUCTIONIn most large electrical systems, generators and power transformers are the two most expensive pieces of equipment. In addition to the capital cost of purchase,…
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Latest Electrical Industry News

transformer oil regeneration

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…
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Smart Transformers: Enhancing Grid Efficiency and Reliability

The evolving demands of modern power grids necessitate the adoption of advanced technologies that can provide enhanced efficiency, reliability, and flexibility. Smart transformers are at…
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The importance of risk assessment and the role of Reliability-based DGA

By Chuck Hoeppner, Delta-X Research It’s often said that you can’t manage what you can’t measure. But how does one manage risk in the mission-critical,…
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Enhancing Transformer Resilience: Fire Barriers and Safety Measures in Modern Substations

The Growing Concern of Transformer Fire Risks An Electrical Substation Transformer is a critical component of modern substations, playing a vital role in the transmission and…
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Insulation Resistance Test

Insulation Resistance (IR) test, often called Megger test, is more than 100 years old and assumed to be a very straightforward test. During my inspection…
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The Distribution Transformer - Critical Power System Component

By R.W. Hurst, Editor A distribution transformer is a critical component of the electrical power system, used to reduce the voltage of electrical energy for…
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Transmission Construction Industry Leader Retires and Sells at Absolute Auction!

S.E., Inc. has been providing the very best in Transmission Powerline Construction for over (40) years throughout the Western United States. Brothers Mark, Steve, David,…
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Transformer Testing & Maintenance Articles

Advancements in Dissolved Gas Analysis: Investigating Failure Cases

Advancements in Dissolved Gas Analysis: Investigating Failure Cases

IntroductionDissolved gas analysis (DGA) provides the early warning radar view of a transformer fleet with…
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MITIGATING TRANSFORMER FAILURES: ADVANCED MONITORING AND MAINTENANCE STRATEGIES

MITIGATING TRANSFORMER FAILURES: ADVANCED MONITORING AND MAINTENANCE STRATEGIES

Power transformers are critical assets in electrical transmission and distribution networks. Their failure can lead…
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Power Utility Replaces Aging Transformers with Customized, Drop-in Units

Power Utility Replaces Aging Transformers with Customized, Drop-in Units

As aging transformers at generation facilities near end-of-life cycles, a number of potentially dangerous events…
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Dielectric Voltage Testing – Standard Methods

Dielectric Voltage Testing – Standard Methods

There are two standard methods from ASTM International: D877, Standard Test Method for Dielectric Breakdown…
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Advancements in Dissolved Gas Analysis: NEI & Gassing Events

Advancements in Dissolved Gas Analysis: NEI & Gassing Events

One of the most important steps when looking at DGA data is to decide whether…
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