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Laboratory of Electrification of Industrials Enterprises (LREEI) of boumerdes and CDTA have developed an in-house Helmholtz coil. It will be used as a source of external magnetic field for studying the Negative Bias Temperature Instability (NBTI) degradation mechanisms that can influence Metal Oxide Semiconductor (MOS) devices. This paper describes the different phases of design and construction of...
In this paper, we present a new spectroscopic technique based on electrically detected magnetic resonance (EDMR), called multi-frequencies spin dependent charge pumping (MF-SDCP). This technique used the frequency dependence of the spin dependent charge pumping current (SDCP-current) to profile the atomic scale defect from the interface to the oxide of metal-oxide — semiconductor (MOS) devices. By...
The electromagnetic field is an interest scientific subject on overhead transmission lines OTL under high voltage for the reason of their risk on the living organisms such as blood leukemia and others. The aim of this paper is to calculate the electric potential, electric field and the magnetic field around and near of high voltage transmission lines using The ComsolMultyphisics program package based...
Double Excited (or Hybrid Excited) Synchronous Motors (DESM or HESM) has gained great interest as they have the ability to control the air-gap field, and consequently the electrical drive speed due to the auxiliary excitation winding. To obtain the magnetic field distribution in the air gap many techniques are used. The Schwarz-Christoffel (SC) mapping allows the mapping of the slotted structure of...
The main purpose of this paper is to analyze the electrostatic and electromagnetic interferences of HV power lines on aerial metallic pipeline. The proposed modelling is based on charge simulation method (CSM) and Efficient Simulation Method (ESM) coupled with Genetic algorithm (GA). This is typically done for safety reasons, to ensure workers who come into contact with the pipeline and to protect...
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