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The electromagnetic behavior and the dielectric mixtures characterizations it is a very important problem even if it was first tackled more than one hundred years ago. Knowing the distribution of electric field and electric displacement in the non-homogeneous mixture realized from homogenous components and estimating its effective permittivity, it is a very important in the design of non homogenous...
The paper aims at demonstrating the feasibility of cleaning and sorting of wheat seeds in the corona field of roll-type and free fall separators. An extended corona discharge field was generated by three dual wire type electrodes in the roll-type separator and by a frame type corona electrode with nine horizontal emissive wires, in the free-fall separator. The separation feaseability was studied on...
One of the main targets of the research in the field of polymer nanocomposite dielectrics is to understand and control the charge transport and the dielectric behaviour of these nanodielectrics in order to obtain new materials with improved electric properties (resistivity, dielectric strength, permittivity and dielectric losses). In this paper the DC conductivity and the variation of the real part...
Under the action of an electric field and in the presence of water, water trees develop inside power cables insulations. Regardless of their type, shape or dimension, water trees contribute to the worsening of electrical properties, especially lowering the inception voltages of partial discharges and electrical trees leading to breakdown [1]. In this paper an experimental study regarding the variation...
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