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Fluids used for the impregnation of medium voltage power capacitors made with polypropylene film must exhibit suitable gassing tendency, appropriate compatibility with the film in terms of wettability and limited solvent capacity, but in addition should withstand an endurance test. This test consists of two phases: during the first, repeated voltage impulses are applied which may generate partial...
Trichlorotrifluoroethane (C2Cl3F3) is a stable molecule up to a temperature of 700°C. Under internal arc stress C2Cl3F3 was decomposed and Phosgene and other products were produced. The amount of produced Phosgene depends on the fed in energy per unit of gas mass and the presence of Oxygen. At the ignition of an arc in liquid C2Cl3F3 a shock-wave with amplitudes of up to 1 MPa occurs dependent on...
One practical version of an EHD induction pump includes an active travelling wave electrode running along the center of a grounded cylindrical pipe. Laminar flow which takes place in the annulus between pipe and electrode is modelled theoretically in terms of an induced charge layer situated at an arbitrary distance from the center electrode. Calculation of flow rates for various choices of geometry...
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