The majority of power transformers in operation today are filled with mineral oil. The primary function of the oil is to provide a high dielectric insulating material and an efficient coolant. The effectiveness of the oil as an insulating material is reduced as the moisture level increases, while co

Degree of drying is directly affect insulation and other specifications of transformer. Therefore, drying insulation systems is the firstly factor to extending transformer life.After drying transformer which be affected by bump, somethings need to do firstly:1) whether exposed time in air is over ti

Millions of transformers are in use today, connecting homes and businesses with needed electricity. Though benign in appearance, the inside of a transformer requires periodic maintenance of its internal oil, through heating and filtration.<o:p> <o:p> <o:p>Identification<o:p> <o:p>A transformer uses 

To improve transformer oil, insulating oil dielectric strength, making less trace moisture content, gas content, dielectric loss factor and other indicators, before pumping transformer oil into the tank must be preceded by a rigorous treatment, the effective removal of oil in the water, gas and impu

An appearance change color becomes deeper change mixed with the abrasive. Mechanical impurities and oil mixed.Viscosity changes with the oil of the viscosity index improver agent due to mechanical shear viscosity caused by the decline in oil oxidation and emulsification sludge resulting in viscosity

The main sources of pollutants:(1) system internal residues: residues in the manufacturing or assembly process within the system chip, welding slag, sand;(2) within the system to generate: Component Movement Vice friction generated between the wear debris, surface rust piece of rust generated;(3) of

States of Coexistence Next to particlates contamination,moisture is the second-most-destructive contaminant found in machinery. Water can exist in oil in the following three states: Dissolved Contrary to what I was taught, oil and water do blend. The amount of water dissolving into the oil depends u

Nowadays,Centrifuge,Coalescer and Vacuum Dehydration are the 3 ways that mostly employed to remove water contaminants from oil.For removing water contaminants, the disadvantage of a centrifuge is that it can only deals with Free Water (>200ppm), and has little to do with Emulsified and Dissolved Wat

Just like a car, your transformer needs regular oil conditioning to rid it of harmful contaminants that could shorten its lifeMaintaining substation transformers isn't a new idea, but it's not always given the attention it deserves. Transformers will self-destruct over time, and failure to conduct r

This article presents, in layman's terms, information regarding a high-speed electrostatic kidney-loop system, designed to remove submicron particles and other foreign matter (varnish) from lubricating fluids. It is a culmination of more than 30 years of research and development, on-site beta testin