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Partial Discharges

Detection Of Partial Discharges Occurring In Hvdc Environment

Detection Of Partial Discharges Occurring In Hvdc Environment

... the partial discharges, which are initiated from defect sites present in ...test, partial discharge (PD) test etc. In all these type of tests, the partial discharge test provides information ...

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Statistical Analysis of Partial Discharges from Electrical Trees Grown in a Flexible Epoxy Resin

Statistical Analysis of Partial Discharges from Electrical Trees Grown in a Flexible Epoxy Resin

... of partial discharge (PD) activity occurring within the existing structure ...observed partial discharges occur was related to the applied voltage and the branch density of the resultant tree ...

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Impact of DC Voltage Enhancement on Partial Discharges in Medium Voltage Cables - An Empirical Study with Defects at Semicon-Dielectric Interface

Impact of DC Voltage Enhancement on Partial Discharges in Medium Voltage Cables - An Empirical Study with Defects at Semicon-Dielectric Interface

... Solid insulation systems typically consist of dielectric materials of sufficiently high breakdown strengths bridging the gap between the high and low voltage electrodes. Their function is to provide mechanical support to ...

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Impacts of impulsive noise from partial discharges on wireless systems performance: application to MIMO precoders

Impacts of impulsive noise from partial discharges on wireless systems performance: application to MIMO precoders

... tial discharges of two specimens in the laboratory and then analyze the parameters affecting wireless communi- ...of partial discharges validate the field measurements in ...of partial ...

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Testing of Partial Discharges in Generator Coil Bars with the Help of Calibrated Acoustic Emission Method

Testing of Partial Discharges in Generator Coil Bars with the Help of Calibrated Acoustic Emission Method

... Electric method shows that partial discharges appear in tested bar under the supply voltage of 7.5 kV. Qualitative measurements started from the supply voltage of 10 kV. Apparent charge reaches its maximum ...

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Statistical analysis of partial discharges from electrical trees grown in a flexible epoxy resin

Statistical analysis of partial discharges from electrical trees grown in a flexible epoxy resin

... of partial discharge (PD) activity occurring within the existing structure ...observed partial discharges occur was related to the applied voltage and the branch density of the resultant tree ...

5

Mathematical Model and Regression Analysis of Acoustic Emission Signals Generated by Partial Discharges

Mathematical Model and Regression Analysis of Acoustic Emission Signals Generated by Partial Discharges

... Technical condition monitoring and diagnosis of electric power transformers constitutes a sophisticated issue, because it is connected with many physical phenomena, occurring during operation of the device [1]. ...

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Analyses of partial discharges in dielectric samples under DC excitation

Analyses of partial discharges in dielectric samples under DC excitation

... of partial discharges under DC excitation. Partial discharges studied will initially be limited to discharges from well- defined discharge ...surface discharges and internal ...

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Quantification of the performance of iterative and non-iterative computational methods of locating partial discharges using RF measurement techniques

Quantification of the performance of iterative and non-iterative computational methods of locating partial discharges using RF measurement techniques

... Table 4: Characteristics of the location algorithms Advantages Algorithm Non-Iterative Bancroft Iterative SLS        Accurate if provided with well selected error bound Accurate i[r] ...

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Automatic threshold of standard deviation to reject noise in raw data of 
		partial discharges

Automatic threshold of standard deviation to reject noise in raw data of partial discharges

... The raw data PD measurement results by using a computer usually contain noise that can lead to miss interpretation. So as to obtain an accurate diagnosis, then this noise must be separated from the raw data. In this ...

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Environmental Impact of Wastewater Discharges from FERMENCAM

Environmental Impact of Wastewater Discharges from FERMENCAM

... Over the past two decades, the industrialization process in Cameroon has been reflected by the increasing number of plants in major urban areas like Douala having the largest and most diverse industrial hub. Indeed, like ...

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EFFECTS OF GREYWATER DISCHARGES ON
SHALLOW SOIL PROPERTIES

EFFECTS OF GREYWATER DISCHARGES ON SHALLOW SOIL PROPERTIES

... The present study objective was to identify the effects of greywaters discharge on the physicochemical properties of shallow soils subjected to daily discharges of[r] ...

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Military Administrative Discharges: Due Process in the Doldrums

Military Administrative Discharges: Due Process in the Doldrums

... Until the 1971 hearings, the military had consistently opposed any review of administrative board decisions on the grounds that there already exist instrumentalities [r] ...

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The development of electrical plasma diagnostics for HiPIMS discharges

The development of electrical plasma diagnostics for HiPIMS discharges

... HiPIMS is a plasma-based deposition technique, meaning that the plasma plays a cru- cial role in generation, transportation and film formation of depositing species. For example, plasma ions are accelerated toward the ...

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Optical and mass spectrometric studies of microwave discharges

Optical and mass spectrometric studies of microwave discharges

... Microwave-excited discharges in quartz pre-TR tubes containing a range of gases at a range of pressures have been ...the discharges of some of the pre-TR tubes; these gases have not been observed in the ...

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Ion processes and effects in CO₂ laser discharges

Ion processes and effects in CO₂ laser discharges

... Finally, an estimate of the negative Ion density n. Is required to evaluate the importance of positive Ion and negative Ion recombination. Experimental determ ina­ tion of negative Ion densities fi'om an active discharge ...

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Analysis of the transient process in underwater spark discharges

Analysis of the transient process in underwater spark discharges

... The dynamics of the transient cavity during the vapor mixture inside the transient cavity, Wi,t, and the dissipation of the electrical energy in the plasma channel is mechanical work don[r] ...

5

Effluent Discharges from Two Outfalls on a Sloping Beach

Effluent Discharges from Two Outfalls on a Sloping Beach

... A marine outfall is a long pipeline that continuously discharges large amounts of effluent streams into the sea. As the number of marine outfalls along the coastal areas is growing, a far field ma- thematical ...

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MCM 3- ILLICIT DISCHARGES AND IMPROPER DISPOSAL

MCM 3- ILLICIT DISCHARGES AND IMPROPER DISPOSAL

... illicit discharges within their boundaries and to make appropriate actions to detect and address any violation they are not strictly liable for all Illicit Discharges in their permitted ...

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Bactericidal effect of corona discharges in atmospheric air

Bactericidal effect of corona discharges in atmospheric air

... sample populations were 1.8 · 10 5 and 1.88 · 10 5 CFU/plate, respectively). The authors showed that S. aureus has a higher sensitivity to ozone at the initial stage of treatment (first ∼20 s); however, the paper does ...

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