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Landis and Gyr AG
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Landis and Gyr AG
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Application filed by Landis and Gyr AGfiledCriticalLandis and Gyr AG
Priority to FR7505272ApriorityCriticalpatent/FR2301949A1/fr
Publication of FR2301949A1publicationCriticalpatent/FR2301949A1/fr
Application grantedgrantedCritical
Publication of FR2301949B1publicationCriticalpatent/FR2301949B1/fr
H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
H02H7/262—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations involving transmissions of switching or blocking orders