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This paper presents the investigations on AC, DC and Negative lightning Impulse breakdown voltages and leakage currents of Nitrogen (N2) and Carbon-dioxide (CO2) in non-uniform electric field. The sphere-plane electrodes have been applied. The sphere radius is 2.5, 10 and 20 mm. The gap distance is varied from 2.5 to 20 mm. and the gas pressure from 0.5 to 2 bars. According to the experiments, the...
The detection system in substation of medium voltage overhead line can mostly detect only low impedance fault, neither broken conductor on the source side with high impedance, nor broken conductor on the load side with even direct to ground. This paper presents novel method to characterize such faults using time shifting in 3 phase line current. It can be applied, however, in parallel with the conventional...
In situ forming microparticle (ISM) systems offer a new encapsulation technique that provide a prolonged release of drug along with much greater ease of preparation and administration than conventional microparticles and surgically implanted systems. In this study, the forces required to inject biodegradable emulsions of the ISM systems via different sizes of syringe and needle into a newly developed...
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