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18.475  Articles
1 of 1.849 pages  |  10  records  |  more records»
Partial discharge (peluahan sebagian) merupakan suatu fenomena yang terjadi pada tegangan tinggi. Secara definisi, partial discharge adalah terjadinya pelepasan muatan bunga api listrik yang terjadi pada isolasi suatu bahan. Partial discharge merupa... see more

Liquid insulation for high voltage transformer applications based on natural esters derived from abundantly available vegetable oils are becoming popular in recent times. Since these natural ester based oils have environmental advantages and superior ther... see more

Polymeric insulators are widely used now days due to some advantages such as compact design, light, handy and easy to install therefore less installation cost. However, polymeric insulator can be deteriorate by ageing process due to UV, severe weather, ex... see more

La medición de descargas parciales (DP) se sustenta en la detección y filtraje de pulsos de corriente que aparecen en una banda de frecuencia que abarca desde los kilohertzios hasta los gigahertzios, por tal motivo los detectores de descargas parciales (D... see more

The influence of the pressure of the coolant used in high voltage rotating machines on partial discharges occurring in stator insulation is discussed in this paper. The first part deals with a theoretical analysis of the topic. The second part deals with ... see more

This paper presents an Improved Bagging Algorithm (IBA) to recognize ultra-high-frequency (UHF) signals of partial discharges (PDs). This approach establishes the sample information entropy for each sample and the re-sampling process of the traditional Ba... see more

Based on the physical phenomena of optical effects produced by the partial discharge (PD) and on the characteristics of fluorescent fiber sensing of weak fluorescent signals, a PD measurement system using a fluorescent fiber sensor was designed. The main ... see more

Dissolved gas analysis (DGA) has been widely applied to diagnose internal faults in transformer insulation systems. However, the accuracy of DGA technique is limited because of the lack of positive correlation of the fault-identifying gases with faults fo... see more

The partial discharge (PD) process in liquid dielectrics is influenced by several factors. Although the PD current contains the information representing the discharge process during the PD event, it is difficult to determine the detailed dynamics of what ... see more

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