Monitoring method of relay protection outlet pressing plate

Monitoring method of relay protection outlet pressing plate

The invention relates to a monitoring method of a relay protection outlet pressing plate. The monitoring method comprises the following steps: obtaining input voltage signals of lower end connecting columns of a protection tripping outlet pressing plate and a reclosing gate outlet pressing plate; wh...

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Hauptverfasser: LIN BIN, XIE MUCHUAN, SU HUA, WENG XIANFU, LI GA, JIANG RONGMING, ZHENG MAOHUA, WU YONGHAI, MA XIAO, SU SONGHONG
Format: Patent
Sprache:chi ; eng
Schlagworte:
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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creator LIN BIN
XIE MUCHUAN
SU HUA
WENG XIANFU
LI GA
JIANG RONGMING
ZHENG MAOHUA
WU YONGHAI
MA XIAO
SU SONGHONG
description The invention relates to a monitoring method of a relay protection outlet pressing plate. The monitoring method comprises the following steps: obtaining input voltage signals of lower end connecting columns of a protection tripping outlet pressing plate and a reclosing gate outlet pressing plate; when the input voltage signals reflect that the protection tripping outlet pressing plate and the reclosing gate outlet pressing plate are input, outputting input state information; when the input voltage signals reflect that the protection tripping outlet pressing plate and the reclosing gate outlet pressing plate are not input or are virtually connected, not outputting the input voltage signals; monitoring an input state of the relay protection outlet pressing plate through the input state information. According to the monitoring method provided by the invention, a cascaded triode is combined with an optical coupler relay; missed input and virtual connection can be judged at the same time through the same voltage c
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subjects MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
title Monitoring method of relay protection outlet pressing plate
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