Patent ID: 6242900
Filing Date: 2001-06-05
Classification: G01R

Abstract:
A partial discharge measurement system for measuring partial discharge in a sample electrical device which is connected to an alternating current source, the partial discharge measurement system comprising:an amplifier connected to said electrical device for amplifying a signal presented at the output of said sample electrical device via said alternating current source;a digitizer connected to said amplifier for digitizing said signal, said signal comprising pulses; anda digital peak detector and capture memory device combination, said digital peak detector connected to said digitizer and to said capture memory device, said digital peak detector being programmed to generate pulse capture windows, to determine changes in the polarity of said signal, and to control when data relating to at least one of said pulses occurring in at least one of said pulse capture windows is stored in said capture memory device in accordance with said pulse capture windows and the polarity of said signal.