METHOD AND DEVICE FOR CHECKING CHARACTERISTICS OF PARTIAL DISCHARGES Russian patent published in 1994 - IPC

Abstract RU 2019850 C1

FIELD: test equipment. SUBSTANCE: partial discharge pulses which result from action of test voltage on object under testing are differentiated with subsequent high-frequency filtration. The signal received is amplified and integrated. Amplitude spectrum of pulses of partial discharges is determined from integral distribution of pulse amplitudes achieved as result of integration. Device for realization has test transformer for applying test voltage to object 2 under test, high-voltage capacitor 3, which has one plate to be current leading wire, high frequency filter 4, measuring cable 5 and indicator 6, which has wide-band integrating amplifier 7, comparator 8, pulse counter 9 and indicator 10. EFFECT: improved sensitivity; improved noise immunity. 2 cl, 13 dwg

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RU 2 019 850 C1

Authors

Аksenov Jurij Рetrovich

Аrsent'Ev Viktor Мikhajlovich

Golovkov Мikhail Jur'Evich

Ljapin Аndrej Grigor'Evich

Shevtsov Еhduard Nikolaevich

Dates

1994-09-15Published

1991-04-29Filed