Tag Archives: Power Transformer
High Voltage Power Transformer Equipment Testing and Maintenance
Effective maintenance programs extend the life of a power transformer and valuable equipment while improving safety and reliability. Comprehensive testing services can detect potential problems with great accuracy so that a high level of performance is maintained. To accommodate the … Continue reading
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
Detecting Electrical Treeing in High-Voltage Services Equipment
In May 2016, a bolt of lightning touched down on a golf course in Wichita Falls, Texas. It left a dramatic pattern of intricately branched singe marks that radiated from the center of the strike. Lighting bolts and the discharge … Continue reading
Inspection and Maintenance of a Substation Power Transformer
Annual inspections can extend the useful life of high-voltage equipment while ensuring the safe and reliable operation of the electrical grid. Standardized tests, such as those recommended by The Institute of Electrical and Electronics Engineers, can assess the health of … Continue reading
Advantages of AC Power and the Different Supply Frequencies Used
If you are interested in learning more about high voltage services and power supplies, you will encounter technical information about alternating current (AC), direct current (DC) and cycle frequencies. Any study of electricity would not be complete without mentioning these … Continue reading
Design and Construction of the High-Voltage Power Transformer
The power transformer is used throughout the electrical grid. They increase and decrease voltages electromagnetically to transmit and distribute power more effectively. As electricity leaves a power plant, a generator step-up (GSU) transformer increases the voltage for long-distance transmission. In … Continue reading