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Monthly Archives: September 2016

Dry vs. Liquid-Filled Power Transformers

With the variety of high-voltage power transformers available today, clients must consider a range of factors before selecting equipment. Although transformers are still categorized depending on whether they use wet or dry dielectric materials, numerous options are available for fast … Continue reading

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Oil Testing of a High-Voltage Power Transformer

An oil-insulated power transformer benefit from routine inspections and field tests. Over time, gradual chemical breakdowns can decrease the dielectric strength and insulating properties of the transformer oil. Routine maintenance helps generating companies and power distributors to protect valuable equipment, … Continue reading

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Ultrasonic Inspection of High Voltage Services Equipment

When combined with infrared thermography, ultrasonic inspections can detect catastrophic arcing while ensuring the reliability of high voltage services. These diagnostic tests can identify and isolate a number of electrical warning signs that produce heat, ultrasonic noise or a combination … Continue reading

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