[PDF] Top 20 Space Charge Behaviour at LDPE Interface under AC Electric Stress

... negative charge. With this feature, both electrodes under ac stress have easily injected more positive charge into sample, making it become the dominant type of charge ... See full document

... of charge formation and its influence on the electrical performance of polymeric insulation are of technological ...of space-charge presence under ac electric field in polymer ... See full document

... the LDPE-FEP system, is discretized non uniformly into n (n=301) equal elements of width △x along its thickness, being tightened next to the electrodes and to the interface, to follow the penetration of the ... See full document

... on space charge generation, transportation and accumulation processes in pace with external measured current ...and space charge are influenced by temperature with current in particular, the ... See full document

... the space charge in the dry ...of space charge within the ...the space charge follows a similar pattern as in the dry ...Positive space charge builds up at the ... See full document

... (net) charge. Since both positive and negative charge injections appear to occur, it is believed that the negative charge measured at the interface is a resultant of positive and negative ... See full document

... and space charge phenomena in solid dielectrics under high dc ...effect, charge carriers are injected from the electrodes, electrons from the cathode and holes from the ...carriers, ... See full document

... of space charge which can lead to un- wanted stress ...accumulated space charge at the interface is a more significant factor with regard to stress enhancement than in the ... See full document

... positive charge of four different samples at various times after the removal of ...positive charge in sample A and dc-sample C decays more rapidly than those of dc-samples D and ...that ac ageing ... See full document

... paper, charge dynamics in polymeric materials after aged under ac electric field using the pulsed electroacoustic (PEA) technique is ...on charge decay. The charge dynamics of ... See full document

... corresponding conduction band offset of the GaInNAs/GaAs interface is ≈ 0.38 eV. Finally, a 500 nm thick n -doped GaAs drain contact layer was grown on top. After the growth process, RTD mesas with diameters ... See full document

... of space vacuum allows for water to go from the solid to vapour state on the surface of a porous plate, which is sensitive to trace contaminants that can im- pede the sublimation ... See full document

... characterize charge transport behavior in insulating ...reason, space charge measurements, on the one hand, and models of charge transport en- compassing charge generation, trapping and ... See full document

... OALibJ | DOI:10.4236/oalib.1101836 9 October 2015 | Volume 2 | e1836 try center is handled by a type dependent mechanism that controls the usage of the symmetry center. The type dependent mechanism acts in a progression ... See full document

... The method to determine the electric stress distribution across the cable insulation due to the extemal applied field and that as a consequence of the trapped charge in the bulk insulati[r] ... See full document

... Dielectric spectroscopy can also provide considerable insight into the nature of the structure contributing to both polarization and loss. Such results for the functionalized materials under study are shown in ... See full document

... The experiments have been carried out by means of the uniaxial version of a new machine called 3D- Modified Hopkinson Bar (3D-MHB). It is a Modified Hopkinson Bar apparatus [4-10] designed to apply dynamic loading in ... See full document

... the interface pile design ...and interface shear coefficient of two different FRP counterface surfaces that sheared against two different types of sand nder increased normal stress ...and ... See full document

... an electric field as a region in which an electric charge experiences a force •Draw the electric field of an isolated point charge and recall that the direction of the field lines gives ... See full document

... The experimental test rig (Fig.7) has been set up for the three-phase AC-DC matrix converter consisting of bidirectional IGBTs from Eupec. The configuration of the main circuit is illustrated as shown in Fig.3. ... See full document