EP 2480901 A1 20120801 - MEASURING TRANSDUCER HAVING AN ELECTRICAL TRANSDUCER AND A SENSOR
Title (en)
MEASURING TRANSDUCER HAVING AN ELECTRICAL TRANSDUCER AND A SENSOR
Title (de)
MESSWANDLER MIT EINEM ELEKTRISCHEN WANDLER UND EINEM SENSOR
Title (fr)
TRANSFORMATEUR DE MESURE ÉQUIPÉ D'UN TRANSFORMATEUR ÉLECTRIQUE ET D'UN CAPTEUR
Publication
Application
Priority
- DE 102009043596 A 20090925
- EP 2010062250 W 20100823
Abstract (en)
[origin: WO2011036007A1] The invention relates to a measuring transducer having an electrical transducer, wherein the electrical transducer is connected to an electrical earth by means of an earthing line. Ferroresonant oscillations inside the measuring transducer can be detected quickly and reliably by connecting a primary winding of a voltage transducer to the electrical earth via an earthing line and by using a sensor on the earthing line.
IPC 8 full level
G01R 15/18 (2006.01); H01F 27/42 (2006.01); H01F 38/24 (2006.01); H01F 38/26 (2006.01); H01F 38/28 (2006.01); H01F 38/30 (2006.01)
CPC (source: EP KR)
G01R 1/36 (2013.01 - EP); G01R 15/08 (2013.01 - EP); G01R 15/18 (2013.01 - KR); H01F 27/42 (2013.01 - KR); H01F 38/24 (2013.01 - KR); H01F 38/28 (2013.01 - KR); G01R 15/183 (2013.01 - EP); H01F 38/24 (2013.01 - EP); H01F 38/28 (2013.01 - EP)
Citation (search report)
See references of WO 2011036007A1
Citation (examination)
- EP 0906846 A1 19990407 - MITSUBISHI ELECTRIC CORP [JP]
- ADOLF I NAZAROV ET AL: "DEVICE TO PROTECT HIGH-VOLTAGE ELECTRICAL EQUIPMENT AGAINST OVERVOLTAGE", SU1704214, 7 January 1992 (1992-01-07), pages 1 - 3, XP055159163, Retrieved from the Internet <URL:http://patentdb.su/3-1704214-ustrojjstvo-dlya-zashhity-ehlektrooborudovaniya-vysokogo-napryazheniya-ot-perenapryazhenijj.html> [retrieved on 20141217] & DATABASE WPI Week 199246, Derwent World Patents Index; AN 1992-380430
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR
DOCDB simple family (publication)
DE 102009043596 A1 20110331; CN 102576039 A 20120711; EP 2480901 A1 20120801; KR 101325844 B1 20131108; KR 20120048696 A 20120515; WO 2011036007 A1 20110331
DOCDB simple family (application)
DE 102009043596 A 20090925; CN 201080042691 A 20100823; EP 10771350 A 20100823; EP 2010062250 W 20100823; KR 20127007700 A 20100823