Results 201 to 210 of about 41,784 (260)

Identification and Assessment of Systematic Reviews for Evidence-Based Guideline Recommendations on Follow-Up of Preterm Born Children: A Mapping Review. [PDF]

Acta Paediatr
Kaiser G, Kayser M, Babel M, Wohlleben J, Weibel S, Spiegler J.   +5 more
europepmc   +1 more source

Trajectories of care dependency and predictors following laparoscopic radical gastrectomy for gastric cancer: a longitudinal study. [PDF]

Front Oncol
Tan ZK, Tang WZ, Wen HH, Yi JY, Zhong BH, Lang QY.   +5 more
europepmc   +1 more source

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Partial discharge measurement and interpretation

IEEE Electrical Insulation Magazine, 1988
An overview is given of partial discharge patterns, their evaluation, and determination of their origin. Some brief comparisons of test equipment considered to be of general interest are made. The intent is to assist practitioners in the interpretation of results as well as in the accurate discrimination between true partial discharges within an ...
exaly   +2 more sources

The Nature of the Measurement of Partial Discharge

2019 IEEE International Instrumentation and Measurement Technology Conference (I2MTC), 2019
The measurement of partial discharges in solid insulation is predictive of the long-term performance of the insulation. That makes the measurement very important in high-voltage technology. The topic has been of interest for a long time, and has been extensively studied around the world.
Harold Kirkham, D. Rod White
openaire   +1 more source

Partial discharge measurements

IEEE Transactions on Dielectrics and Electrical Insulation, 2008
[No abstract available]
R. Bartnikas, POMPILI, Massimo
openaire   +2 more sources

Equipment for the Energy Measurement of Partial Discharges

IEEE Transactions on Electrical Insulation, 1983
The energy dissipated by partial discharges (PD) can be estimated from the U i Q i . It has been described a particular device able to deal with such a calculation using a correlator unit. With gas chromatography analysis a satisfactory correlation was available between the degradation products of liquid (oil) or solid (pressboard) insulation and the ...
G. Garcia, B. Fallou
openaire   +1 more source

Measuring the endurance of films in partial discharges

IEEE Transactions on Electrical Insulation, 1993
A new test assembly for measuring the endurance of polymeric and ceramic films under the action of partial discharges (PDs) is presented. If experiments are performed under controlled ambient conditions (i.e., relative humidity), the test procedure gives times to breakdown which show low scatter. The effects of different test conditions on the times to
R. Bozzo, L. Centurioni, GUASTAVINO, FRANCESCO   +2 more
openaire   +2 more sources

On line measurement of partial discharges

2000 Annual Report Conference on Electrical Insulation and Dielectric Phenomena (Cat. No.00CH37132), 2002
On line measurement of partial discharges of equipment while in service has a great deal of potential in saving equipment down time in gas insulated substations (GIS) and gas insulated transmission lines (GITL). To address this aspect of partial discharge measurement there is scope for considerable progress particularly in the area of cables already is
N. Srinivas, N. Ahmed, G. Raju
openaire   +1 more source

Partial Discharge Measurement

2014
This chapter is devoted to the measurement of partial discharges (PD) localized in weak spots of dielectrics if subjected to high test voltages. As standards for PD measurement s have been introduced only for quality assurance tests of HV apparatus energized by power frequency AC voltages (50/60 Hz), the following treatment refers mainly to this test ...
Wolfgang Hauschild, Eberhard Lemke
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Innovative Solutions for Partial Discharge Measurements

Elektrichestvo, 2021
The article discusses systems developed using an innovative approach to measuring partial discharges, their advantages over traditional methods of monitoring cable lines and electrical equipment, as well as the principles of their operation. The design of the systems is based on a special broadband sensor-antenna which provides remote recording of both
Sergey A. GOLUBTSOV, Roberto CANDELA
openaire   +1 more source