Transformer Testing & Maintenance

Exploring Online Dissolved Gas Analysis Monitoring for Transformer Insulating Fluids

As a philosophy and English major who has spent the last 20+ years working in the utility industry,I often come across topics that challenge me…
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Latest Electrical Industry News

The Role of Thermal Imagining in Today’s Electrical Utilities Sector

In today’s society we are faced with many obstacles, one of these obstacles is the high cost of electricity around the world.  Electricity prices 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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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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ACCELERATING TOWARDS GREATER TESTING EFFICIENCY - A true transformer test van

Test lead management, including quality of connection and correct lead placement, is an important part of testing. Poor or incorrect connections can be the culprit for nonrepresentative results…
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Hydrogen Gas in Transformer Oil

Why event-based fault type identification is better than a sample-by-sample approach

Introduction Fault type identification is an important step in dissolved gas analysis (DGA). When a significant amount fault gas production is detected in a transformer,…
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Dielectric Voltage Testing – Standard Methods

There are two standard methods from ASTM International: D877, Standard Test Method for Dielectric Breakdown Voltage of Insulating Liquids Using Disk Electrodes, and D1816, Standard…
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aging transformers

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 can come into play when it comes to aging transformers…
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Transformer Testing & Maintenance Articles

Enhancing Transformer Resilience: Fire Barriers and Safety Measures in Modern Substations

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…
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A New Approach to High Voltage Insulation System Testing

A New Approach to High Voltage Insulation System Testing

Speed is the driving force of successful fault prevention. Early detection of insulation deterioration is…
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Power Transformer Failures

Power Transformer Failures

Electric utilities maximize utilization of their assets, while maintaining reliability. Power transformers are typically reliable,…
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Sweep Frequency Response Analysis

Sweep Frequency Response Analysis

Sweep frequency response analysis: Reliable demagnetization of transformer cores BY MARKUS PÜTTER, MICHAEL RÄDLER, BORIS…
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Designing A Safe & Reliable Transformer Maintenance Program

Designing A Safe & Reliable Transformer Maintenance Program

The critical importance of power to every aspect of our world cannot be over-exaggerated. It…
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