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Partial discharges (PDS)

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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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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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

... noises: the ambient noise that is considered Gaussian and the impulsive noise. The impulsive noise is mainly due to partial discharges which occurs within high-vol- tage equipment or on its surface. The ...

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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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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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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

... the partial discharges detected during the growth of trees in an epoxy resin will be ...the partial discharge ...the partial discharge ...the partial discharges occurring during ...

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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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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

... of partial discharge data retrieval technique for phase resolved pattern,” Telkomnika, ...on-line partial discharge signal from high-voltage rotating machines using standard deviation threshold,” ...

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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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Early Failure Detection in Power Transformers

Early Failure Detection in Power Transformers

... This paper presents equipment for early detection of failures in the insulation of power transformers, checking existing partial discharges inside. The equipment involves hardware, control and signal ...

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High frequency modeling of a transformer winding

High frequency modeling of a transformer winding

... called partial discharges (PD). These discharges could lead to a breakdown in insulation and ultimate failure in the power transformers if they are allowed to ...high-frequency partial ...

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Bactericidal effect of corona discharges in atmospheric air

Bactericidal effect of corona discharges in atmospheric air

... corona discharges will interact with microorganisms seeded on the agar ...plasma discharges generates elevated concentrations of hydro- gen peroxide which can result in more efficient inactivation of “wet” ...

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STUDY ON ROLE OF TEMPESTUOUS ADVANCES IN COMPUTER TECHNOLOGY

STUDY ON ROLE OF TEMPESTUOUS ADVANCES IN COMPUTER TECHNOLOGY

... The first major attempt on excimer formation utilizing the DBD technology was made by Kogelschatz and his coworkers in 1988 [Eliasson and Kogelschatz, 1988; Eliasson et al., 1988; Kogelschatz, 1990; Gellert and ...

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Estimation of peak discharges of historical floods

Estimation of peak discharges of historical floods

... Abstract. There is no doubt that the hazard assessment of future floods, especially under consideration of recent envi- ronmental change, can be significantly improved by the con- sideration of historic flood events. ...

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Electric discharges in laser produced plasmas

Electric discharges in laser produced plasmas

... Using the ion probe density estimates, spectral line fits using the software PrismSPECT show that at the time the discharge begins ~900 ns, the electron temperature has an initial value [r] ...

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Gas discharges confined by metallic walls

Gas discharges confined by metallic walls

... Natalie Anne Ridge A Thesis Submitted for the Degree of PhD at the University of St Andrews.. 1992 Full metadata for this item is available in St Andrews Research Repository at: http://r[r] ...

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The formation of excimer molecules in microwave discharges

The formation of excimer molecules in microwave discharges

... THE FORMATION OF EXCIMER MOLECULES IN MICROWAVE DISCHARGES Timothy Graham Frank A Thesis Submitted for the Degree of PhD at the University of St Andrews.. 1984 Full metadata for this ite[r] ...

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Oscillation phenomena in argon laser discharges

Oscillation phenomena in argon laser discharges

... A model for anode oscillations The probe and- light emission studies indicate that the oscillations are produqed very close to the anode, and that the oscillations in discharge voltage a[r] ...

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Optical and mass spectrometric studies of microwave discharges

Optical and mass spectrometric studies of microwave discharges

... In fig (4.22) are plotted the microwave measurements made at each stage during manufacture for the first batch of cells, the control group A, the group stood at 200*C, B, and the group not aged with high power, C. The ...

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Simulation of present and future discharges at the Nile River upstream Lake Nasser

Simulation of present and future discharges at the Nile River upstream Lake Nasser

... monthly discharges are compared to 1990 mean monthly discharges as described by equation ...average discharges are expected to increase over the entire year, but a high differentiation with different ...

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