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
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
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