Rotary arc extinguishing type three-position isolation grounding switch of 252kV combined electric appliance

The invention relates to a 252kV combined electric appliance rotary arc extinguishing type three-station isolation grounding switch which comprises a shell, a conductor is installed in the shell, a transmission connecting lever is installed in the conductor, one side of the transmission connecting l...

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Bibliographic Details
Main Authors CUI TONGFEI, CHAI XINJUN, GU ZHIANG, HAO XIAOCHEN, DONG JIANGUO
Format Patent
LanguageChinese
English
Published 07.03.2023
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE DEVICES
RELAYS
SELECTORS
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Summary:The invention relates to a 252kV combined electric appliance rotary arc extinguishing type three-station isolation grounding switch which comprises a shell, a conductor is installed in the shell, a transmission connecting lever is installed in the conductor, one side of the transmission connecting lever is connected with one end of an isolation connecting rod, the other side of the transmission connecting lever is connected with one end of a grounding connecting rod, and the other end of the isolation connecting rod is connected with an isolation moving contact. A spring contact finger is arranged on the outer side of the isolating moving contact, a watchband contact finger is arranged on the outer side of the grounding moving contact, an isolating switch is arranged below the isolating moving contact, an isolating static arc contact is arranged on the isolating switch, an isolating arc extinguishing coil is installed in the isolating switch, and a grounding switch is arranged on the right side of the groundi
Bibliography:Application Number: CN202211186332