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  • 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
  • The Effect of Moisture on the Breakdown Voltage
    Power transformers utilize oil as a heat transfer medium and a dielectric material, together with cellulose. Breakdown voltage (dielectric strength) is one of the most important parameters of transformer oil. It is measured when the transformer is taken into use and typically monitored by sampling
  • Current Chopping a Simple Explanation, and Calculations to Determine Transient Voltages When Using Vacuum Interrupters
    Current chopping is a term that came to our vocabulary with the advent of vacuum. switching which was commercially started back in the 1950's. Earlier switching means in. air or oil are in terms of dielectric recovery rate relatively slow and as the main contacts. would part the arc would go
  • Laser Micromachining PEEK (polyetheretherketone) Films
    High Performance SemiCrystalline PEEK (polyetheretherketone) films are drawing interest within the industrial marketplace. PEEK has the characteristics of a versatile high performance film with a high dielectric property, resistance to chemical corrosion and the ability to withstand higher
  • Medical Device Link .
    , fluoropolymers have found homes in demanding applications, ranging from the extremes of space flight to the depths of deep oil exploration. In such applications, dielectric properties, superior chemical resistance, and a broad continuous-service temperature range are critical. In the medical device market
  • Sensors take the heat
    Robust sensors now handle the heat, pressure, and vibration found in deep-well oil drilling and other harsh environments. Director of Business Development, Sensors & Advanced Packaging A growing industrial demand concerns sensors able to withstand harsher environments than that required by earlier
  • Customized Filter Material Supports Innovation In The Medical Industry
    of uniform pore sizes and pore distributions. The density and width of the material can be customized, and its water-repellent, oil-absorbent, and dielectric properties can be altered. The material complies with FDA regulations for medical applications, and has a wide variety of uses in the medical
  • Medical Device Link .
    a current path is created between the electrode and the workpiece through a water or oil dielectric fluid. Unlike other machining methods, the EDM tool itself --the electrode --does not contact the piece being machined. Because a series of small, high-energy, controlled sparks are doing the actual work

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