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Cross-correlation method has a very high measurement level in ideal conditions. However, it has so many errors in actual experiment, many influencing factors have different degree. The experiment results have the characters of statistical analysis. In order to enhance the accuracy and confidence, it is necessary to analysis the various causes and to estimate the errors. In complex phenomena of bubble...
It was reported previously that partial discharge (PD) existing in GIS can be localized with a PD localization method based on the time difference of PD detection, in which more than one pulse current sensors are installed at the GIS sealing end or cable termination. However, the localization accuracy is not satisfactory since the PD propagation speed is too high and not average inside GIS. To increase...
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