EP 0156171 B1 19881109 - COUNTER-CONTACT SYSTEM FOR A PANTOGRAPH ISOLATING SWITCH
Title (en)
COUNTER-CONTACT SYSTEM FOR A PANTOGRAPH ISOLATING SWITCH
Publication
Application
Priority
DE 3411587 A 19840329
Abstract (en)
[origin: EP0156171A2] 1. Counter-contact system for a pantograph disconnector, having auxiliary busbars (183, 184) attached to the counter-contact (112-118), which busbars follow the pantograph contact tubes (68/70) over a defined switching-off distance in a switching-off operation, and having arcing contacts (146, 205) with assigned arc quenching device (174), which, controlled by the movement of the auxiliary busbars (183, 184) in the switching-off operation or upon bouncing during switching-on, disconnect a potential difference between the counter-contact (112-118) and the pantograph contact tubes (68/70), so that the occurrence of an arc between the pantograph contact tubes (68/70) and the counter-contact (112-118) is prevented, characterized in that the arcing contacts (146, 205) are bridged by a bypass route (300, 301, 302), into which is inserted at least one electric component (300) which forms a defined current path at least for displacement currents occurring in a switching operation.
IPC 1-7
IPC 8 full level
H01H 31/36 (2006.01); H01H 9/14 (2006.01); H01H 9/34 (2006.01); H01H 9/38 (2006.01)
CPC (source: EP)
H01H 31/36 (2013.01); H01H 9/14 (2013.01); H01H 9/34 (2013.01); H01H 9/38 (2013.01)
Designated contracting state (EPC)
AT CH DE FR GB LI NL
DOCDB simple family (publication)
EP 0156171 A2 19851002; EP 0156171 A3 19860625; EP 0156171 B1 19881109; AT E38585 T1 19881115; DE 3411587 A1 19851017; DE 3566191 D1 19881215; ES 285690 U 19851101; ES 285690 Y 19860516
DOCDB simple family (application)
EP 85102073 A 19850226; AT 85102073 T 19850226; DE 3411587 A 19840329; DE 3566191 T 19850226; ES 285690 U 19850328