Voice prompting device for relay protection

The utility model discloses a voice prompting device for relay protection, which comprises a prompting device and a box body, wherein the prompting device comprises a human body sensing probe, a power amplifier circuit, an alarm output circuit and a loudspeaker, the alarm output circuit comprises a...

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Bibliographic Details
Main Authors ZHAO ZHIFENG, LIU GUOPING, WEI WENSHENG, WANG XIAO, YAO GUISHUI, LI LI, LUO YAN, FANG YONGYI, LI BIN, YE JUNHAI, ZHAO LIGANG
Format Patent
LanguageChinese
English
Published 12.05.2010
Subjects
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
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