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  • Measuring Antioxidant Inhibitor in Transformer Oils
    Monitoring the degradation of the antioxidant in transformer insulating oil can result in substantial savings by extending the service life of the oil and by slowing down the transformer aging process. 2,6 ditertiarybytyl paracresol (DBPC) and 2,6-di-tert-Butyl Phenol (DBP) are common inhibitors
  • The Megger Guide to Oil Breakdown Dielectric Testing
    Oils that combine a high flashpoint with high dielectric strength have long been used as an insulating medium in. transformers, switchgear and other electrical apparatus. To ensure that the dielectric strength of the oil does not. deteriorate however, proper maintenance is essential, and the basis
  • Monitoring Sulphur Hexafluoride in the Power Utility Industry
    , electrostatic generators and transformers (in preference to insulating oils because of their flammability problems). Although the gas's chemical and physical properties make it very attractive for the applications above, unfortunately, SF6 is one of the most potent "Greenhouse " gases with a Global
  • Tranformer Oil Purification using Vacuum Dehydration Techniques
    contamination at levels as low as 30 ppm (parts per million) can adversely affect the insulating strength of the oil. With ever-increasing standards for energy efficiency of power distribution transformers, the need to effectively degas will become even more important in the future.
  • Booklet available: Temperature Control By Means of Fluid Media
    of insulating plates in injection molds and die-casting dies; Applications for temperature control units and refrigerators. Appendices: Checklists; Conversion tables (selected); Properties of selected substances; Abbreviations for plastics and elastomers; Glossary; Dictionary; Regloplas temperature control
  • Mechanical Switches
    of contacts or returns to the original position. Mechanical-bail switches have separate switching assemblies, which are interlocked so that actuation of one switch deactivates another. A capacitive touch switch consists of two conductive layers on opposite sides of an insulating material such as glass
  • Why Motors Fail Part 1.
    such as humidity can cause a problem when the motor is de-energized long enough to drop near the dew point temperature because moisture weakens the dielectric strength of electrical varnish and other insulating materials. This moisture also contributes to corrosion of bearings and other mechanical

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