Overvoltage combined suppression system and device for vacuum circuit breaker

The invention provides an overvoltage combined suppression system and device for a vacuum circuit breaker. The system comprises a 10KV bus, a parallel reactor group, a station transformer, a voltage transformer, a lightning arrester, a voltage measuring device and a circuit breaker. The reactor grou...

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Bibliographic Details
Main Author LIU GUOTE
Format Patent
LanguageChinese
English
Published 17.07.2020
Subjects
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
GENERATION
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Summary:The invention provides an overvoltage combined suppression system and device for a vacuum circuit breaker. The system comprises a 10KV bus, a parallel reactor group, a station transformer, a voltage transformer, a lightning arrester, a voltage measuring device and a circuit breaker. The reactor group is configured to be connected with the 10KV bus in parallel to form a first branch; the voltage measuring device is configured to measure the first branch; the circuit breaker is connected in series with the first branch and a second branch; the station transformer is configured to be connected with the 10KV bus in parallel to form the second branch; the voltage measuring device is configured to measure the voltage on the second branch; the voltage transformer is configured to be connected with the 10KV bus in parallel to form a third branch, and a fuse is connected to the third branch in series; and one end of the lightning arrester is connected with the 10KV bus, and the other end is connected with a ground wir
Bibliography:Application Number: CN202010328557