(19)
(11) EP 1 376 621 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
28.01.2004 Bulletin 2004/05

(43) Date of publication A2:
02.01.2004 Bulletin 2004/01

(21) Application number: 03396065.9

(22) Date of filing: 26.06.2003
(51) International Patent Classification (IPC)7: H01B 17/00
(84) Designated Contracting States:
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
Designated Extension States:
AL LT LV MK

(30) Priority: 28.06.2002 FI 20021294

(71) Applicant: ABB Technology AG
8050 Zürich (CH)

(72) Inventor:
  • Mähönen, Pentti
    65320 Vaasa (FI)

(74) Representative: Peltonen, Antti 
Kolster Oy Ab, Iso Roobertinkatu 23
00120 Helsinki
00120 Helsinki (FI)

   


(54) Insulator


(57) The invention relates to an insulator, such as a bushing insulator, which comprises a body (1) made of an insulating material, an opening for receiving a primary current conductor (2), a Rogowski sensor (3) arranged around the opening and a screening cover (5) which is made of a conductive material, receives windings or coils (4) of the Rogowski sensor and is arranged to form a loop with a closed cross section, characterized in that the screening cover (5) is provided with at least one ear (8) for receiving a fitting part (6), which is used to support the screening cover in place.






Search report