Apparatus for equipment unit protection switching

Details Apparatus for equipment unit protection switching Apparatus for equipment unit protection switching

H - Electricity

02

H

H02H 7/20 (2006.01) G08C 19/36 (2006.01) G08C 21/00 (2006.01) H01H 3/16 (2006.01) H05K 5/02 (2006.01) H05K 7/12 (2006.01) H05K 7/14 (2006.01)

Patent

CA 2067007

An equipment unit protection switch from an in-service equipment unit to a standby equipment unit is realized prior to any movement of the active equipment unit about to be removed from an equipment frame in which it is inserted. This is achieved by advantageously incorporating apparatus for generating an equipment unit removal indication signal that enables a controller to anticipate the removal of the equipment unit from the equipment frame. To this end, the equipment units employ an equipment unit latch and an associated switch to generate the equipment removal indication signal. Initial movement of the latch causes the equipment unit removal indication signal to be generated prior to any movement of the equipment unit in the frame in which it is inserted. (FIG. 4)

Cette invention concerne un dispositif de protection de réseau par commutation d'un équipement en service à un équipement de secours avant même l'amorce de retrait de l'équipement actif du bâti d'équipement où il est logé. Cette commutation rapide est rendue possible par l'incorporation avantageuse d'un dispositif annonciateur de retrait imminent d'un équipement actif qui permet à un contrôleur d'agir avant même le retrait effectif. € cette fin, les équipements comportent un verrou dont l'ouverture actionne un générateur de signal de retrait imminent de l'équipement déverrouillé. Le signal est envoyé dès le premier mouvement du verrou et avant même que l'équipement visé ait bougé dans son bâti. (FIG.4)

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