EP 3758034 A1 20201230 - MULTI-PHASE SELECTOR-PRESELECTOR APPARATUS FOR ON-LOAD TAP CHANGER
Title (en)
MULTI-PHASE SELECTOR-PRESELECTOR APPARATUS FOR ON-LOAD TAP CHANGER
Title (de)
MEHRPHASENWÄHLER-VORWAHLVORRICHTUNG FÜR LASTSTUFENSCHALTER
Title (fr)
APPAREIL SÉLECTEUR-PRÉSÉLECTEUR À PHASES MULTIPLES POUR CHANGEUR DE PRISE EN CHARGE
Publication
Application
Priority
EP 19182352 A 20190625
Abstract (en)
A multi-phase selector-preselector apparatus (10) for an on-load tap changer comprises an insulation tube (100) enclosing an insulation compartment (110); a preselector (200) disposed along an outer wall of the tube; a selector device (300) disposed inside the insulation compartment, and comprising a first selector arm (310) and a second selector arm (320), wherein the first selector arm (310) includes, per each phase (LI, L2, L3), an odd moving contact element (315-1, 315-2, 315-3), and wherein the second selector arm (320) includes, per each phase (LI, L2, L3), an even contact element (325-1, 325-2, 325-3); and a drive mechanism (400) for operating the selector device (300), the drive mechanism (400) comprising a mounting element (410) on which the first (310) and second (320) selector arms are commonly mounted such that they are moved in common by the drive mechanism (400).
IPC 8 full level
H01H 3/44 (2006.01); H01F 29/04 (2006.01); H01H 9/00 (2006.01)
CPC (source: CN EP KR)
H01F 29/04 (2013.01 - CN EP KR); H01H 3/32 (2013.01 - CN); H01H 3/38 (2013.01 - CN); H01H 3/44 (2013.01 - EP KR); H01H 9/0016 (2013.01 - EP KR); H01H 9/0027 (2013.01 - KR); H01H 9/0044 (2013.01 - KR); H01H 9/02 (2013.01 - CN); H01H 9/0027 (2013.01 - EP); H01H 9/0044 (2013.01 - EP)
Citation (applicant)
BG 112740 A 20181115 - GROZDANOV TONI [BG]
Citation (search report)
- [X] WO 2018148811 A1 20180823 - ABB BULGARIA EOOD [BG]
- [A] US 2009211890 A1 20090827 - XIAO RIMING [CN]
- [A] DE 19836463 C1 19991021 - REINHAUSEN MASCHF SCHEUBECK [DE]
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 RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 3758034 A1 20201230; CN 114026665 A 20220208; EP 3991190 A1 20220504; KR 20220006651 A 20220117; WO 2020260497 A1 20201230
DOCDB simple family (application)
EP 19182352 A 20190625; CN 202080046924 A 20200625; EP 2020067899 W 20200625; EP 20733856 A 20200625; KR 20217041152 A 20200625