Signal frequency conversion preposition module of portable intelligent four-channel partial discharge detector

Signal frequency conversion preposition module of portable intelligent four-channel partial discharge detector

The present invention discloses a signal frequency conversion preposition module of a portable intelligent four-channel partial discharge detector. The module provided by the invention comprises a signal selective switch, a three-way AMP amplifier, a three-way filter and a frequency converter. The s...

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Hauptverfasser: LI BAITONG, ZHOU ZHIPENG, DONG SHENGGANG, TANG MINLING, URANO KOJI
Format: Patent
Sprache:chi ; eng
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MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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creator LI BAITONG
ZHOU ZHIPENG
DONG SHENGGANG
TANG MINLING
URANO KOJI
description The present invention discloses a signal frequency conversion preposition module of a portable intelligent four-channel partial discharge detector. The module provided by the invention comprises a signal selective switch, a three-way AMP amplifier, a three-way filter and a frequency converter. The signal selective switch is an automatic selective switch or a manual selective switch; the automatic selective switch receives signals transmitted by an ultrahigh-frequency UHF sensor, a high-frequency pulse current HFCT sensor and an ultrasonic AE sensor; the signals are amplified by the AMP amplifier, then filtered by a corresponding filter and converted by the frequency converter to 1-100MHz signals for outputting; and the converted signals are subjected to detection and A/D conversion and are displayed and calculated by a personal computer. The signal frequency conversion preposition module of a portable intelligent four-channel partial discharge detector is able to reduce the system complexity of a partial disc
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subjects MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
title Signal frequency conversion preposition module of portable intelligent four-channel partial discharge detector
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