2015 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) Proceedings 2015
DOI: 10.1109/i2mtc.2015.7151262
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A platform for multiple DC corona effects measurements and analysis

Abstract: This paper describes a platform for measuring the multiple DC corona-generated effects, i.e. audible noise, ionized fields, ion current density and steady corona current simultaneously. The platform includes the corona cage for generating the corona discharge, the corresponding measuring equipment for each corona effect, and the acquisition and analysis system based on LabVIEW. The system can acquire four channels of signal simultaneously with maximum sampling rate 100kS/s. The processing of the measured signa… Show more

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Cited by 3 publications
(3 citation statements)
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“…PWL = k 1 lg I C + k 2 +11.4 lg(5.5) + 5.8 ( 7 ) By substituting PWL and k 1, k 2 in Formula ( 7) into Formula (6), the equivalent A-weight sound level at a distance D from the positive conductor can be obtained, as shown in Formula (8). AN = 12.59 lg I C −11.4 lg D + 14.31 (8) Figure 11 also shows the comparison between the calculated value obtained through the fitting formula and the measured value, where the root mean square error is less than 0.2 dB and the determination coefficient greater than 0.99. It can be seen that the measured value is in good agreement with the fitted curve, which indicates that it is completely feasible to indirectly predict the AN by measuring the corona current generated by the positive conductor of the transmission line.…”
Section: Correlation Between Corona Current and Anmentioning
confidence: 95%
See 1 more Smart Citation
“…PWL = k 1 lg I C + k 2 +11.4 lg(5.5) + 5.8 ( 7 ) By substituting PWL and k 1, k 2 in Formula ( 7) into Formula (6), the equivalent A-weight sound level at a distance D from the positive conductor can be obtained, as shown in Formula (8). AN = 12.59 lg I C −11.4 lg D + 14.31 (8) Figure 11 also shows the comparison between the calculated value obtained through the fitting formula and the measured value, where the root mean square error is less than 0.2 dB and the determination coefficient greater than 0.99. It can be seen that the measured value is in good agreement with the fitted curve, which indicates that it is completely feasible to indirectly predict the AN by measuring the corona current generated by the positive conductor of the transmission line.…”
Section: Correlation Between Corona Current and Anmentioning
confidence: 95%
“…There are various research methods for corona discharge characteristics of transmission lines, and generally the method of measurement is used. At present, the main measurement methods used include the following: direct observation of corona discharge with an ultraviolet imager [4][5][6], direct measurement of corona current on conductors [7][8][9], indirect measurement of various effects caused by corona discharge phenomenon, such as ionic electric field, radio interference etc. [10,11].…”
Section: Introductionmentioning
confidence: 99%
“…In terms of the propagation characteristics of corona noise, Li et al [14] built a singlepoint corona-generated audible noise measurement platform. The measurement results showed that the audible noise had no directionality, and sound propagated outward in the form of spherical waves.…”
Section: Introductionmentioning
confidence: 99%