EP 0216125 B1 19910529 - ON-LOAD TAP CHANGING TRANSFORMER
Title (en)
ON-LOAD TAP CHANGING TRANSFORMER
Publication
Application
Priority
JP 18303085 A 19850822
Abstract (en)
[origin: EP0216125A1] An on-load tap changing trnsformer having a preselecting switch which connects taps No.1, No.2, No.3, ... No.N to corresponding fixed contacts No.1, No.2, No.3, ... No.N during a standard connecting operation of a movable contact and connects additional taps No.N+1, No.N+2, No.N+3, .... No.N+M to corresponding fixed contacts during an additional connecting operation of a movable contact.
IPC 1-7
IPC 8 full level
H01F 29/04 (2006.01)
CPC (source: EP)
H01F 29/04 (2013.01)
Citation (examination)
- PATENTS ABSTRACTS OF JAPAN; vol. 5, no. 63, (E-54)[735], 28th April 1981; & JP-A-56 12716 07-02-1981
- PATENTS ABSTRACTS OF JAPAN, vol. 8, no. 123 (E-249)[1560], 8th June 1984; & JP-A-59 35409
Designated contracting state (EPC)
AT BE DE GB SE
DOCDB simple family (publication)
EP 0216125 A1 19870401; EP 0216125 B1 19910529; AT E64037 T1 19910615; DE 3679488 D1 19910704; JP H058845 B2 19930203; JP S6245011 A 19870227
DOCDB simple family (application)
EP 86111362 A 19860818; AT 86111362 T 19860818; DE 3679488 T 19860818; JP 18303085 A 19850822