Abstract
Partial Discharge (PD) is one of parameter that show the condition of insulator in power aparatus. Partial discharge (PD) waveform which is measured by UHF PD measurement system contain high frequency noise. So that we find any difficulties to ensure that the wave which we get is PD signal. The PD waveform parameters such as rise time and fall time also are difficult to be calculated. Moreover the determination of number and magnitude of PD pulse is also difficult to be analyzed. One of method that we can do to analyze UHF waveform from PD is enveloping that signal. So that we can get wave in lower frequency form which make us easy to find important quantities from that pulse such as rise time, fall time, pulse width, and peak voltage. We can make enveloping system by direct interpolation method which processing the data from csv files obtained in the measurement that is integrated with the computer.
Published Version
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