These are the best laboratories to send your oil samples to… Finding a reputable company to send an oil sample to is a matter of locating your favorite search engine, and typing “Electrical oil testing laboratory” or something of that nature in the search bar. You will get the promoted vendors that appear on the […]
Category: Transformers
Transformer related posts
Tips for Diagnosing Oil Filled Electrical Equipment
Familiarity with insulating oil features can really set you apart from your competition! Utilizing a few of your human senses, can be a crucial part of diagnosing equipment. […]
What is the purpose of a Transformer Load Tap Changer?
Transformer Load Tap Changers Load Tap Changers (LTC’s) could also be known as a type of voltage regulator. In the Washington DC area, we typically see LTC’s at places of distribution. Your typical government building or privately owned buildings do not use LTC’s. You could even say that businesses that do not own the extra […]
Medium Voltage Cable / 15kV Terminations
Medium Voltage Cables Electrical wire is an integral part of our lifestyle. Whether you care to notice or not, copper/aluminum conductors are everywhere. They provide power to every business and home that wishes to be connected. Most of the time, people who aren’t in the electrical trade, tend to see overhead power lines. Those consist […]
Transformer Vectors
This was a topic brought up on the job and I figured I would address it in a very general post. This will not go too in depth but will help you understand how a vector is configured and possibly understand what you are dealing with on the job. What is a vector? A vector […]
Transformer Snubber Assembly
What is a Transformer Snubber? It is a set of capacitors, surge arresters, fuses, and resistors typically found on medium voltage dry type transformers. What are Snubbers designed for? The main application has been to reduce damage to transformers during energizing applications. Energizing medium voltage transformers produces transient voltages. These transient voltages are a cause […]
Transformer Oil – What is it, and why sample?
Transformer oil is a liquid that is stable at high temperatures and has excellent electrical insulating properties. Typical motor oil that most people think of, is not the type of oil in a transformer. Transformer oil keeps the transformer cool. It also insulates the transformer and allows electrical components to be more compact than free air apparatus. […]