EP 1465221 B1 20061004 - Arrangement for monitoring a tap changer
Title (en)
Arrangement for monitoring a tap changer
Title (de)
Anordnung für ein Überwachungssystem für Stufenschalter
Title (fr)
Agencement pour la surveillance d'un sélecteur de prises
Publication
Application
Priority
DE 10315205 A 20030403
Abstract (en)
[origin: EP1465221A1] A radio interrogatable surface acoustic wave sensor (S1,...S3) is provided for each phase of the switch, near to the respective vacuum switching tubes (V1,...V3). An interrogating device (2) is provided outside the multistage switch, and emits and receives high frequency radiation. The interrogating unit is electrically connected to a monitoring unit (3).
IPC 8 full level
H01H 9/16 (2006.01)
CPC (source: EP US)
H01H 9/168 (2013.01 - EP US); H01H 2009/0061 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 1465221 A1 20041006; EP 1465221 B1 20061004; AT E341826 T1 20061015; DE 502004001631 D1 20061116; US 2004196010 A1 20041007; US 6965217 B2 20051115
DOCDB simple family (application)
EP 04003100 A 20040212; AT 04003100 T 20040212; DE 502004001631 T 20040212; US 79032604 A 20040227