Global Patent Index - EP 0035637 B1

EP 0035637 B1 19840314 - TAP CHANGER WITH POTENTIAL SWITCH FOR TAPPED TRANSFORMERS

Title (en)

TAP CHANGER WITH POTENTIAL SWITCH FOR TAPPED TRANSFORMERS

Publication

EP 0035637 B1 19840314 (DE)

Application

EP 81100595 A 19810128

Priority

DE 3009052 A 19800308

Abstract (en)

[origin: EP0035637A1] 1. Tap switch for tapped transfomers with tap selector (1) constructed as cylindrical rod cage and a reverser (3), which is arranged laterally of the tap selector (1) and consists of a lower arm (20) and an upper arm (19), which are each connected with the cage rings (5, 6) of the tap selector (1) and have insulating roods (21, 22) fastened thereat, which carry the fixed reverser contacts (23, 24), and of a switching shaft (25), which is borne in the arms (19, 20) carried the movable reverser contacts (26) and which is actuable by means of a first fork (30), which is borne at the upper cage ring (6) and into which engages a dog (33) sitting on a drive sheave (13) of the selector (1), wherein polarity contacts (37) the movable contacts (38) of which are actuable together with the reverser contacts (26), for the tying of a centre tap of the cap winding to a certain potential are arranged on a further insulating rod (36) likewise laterally of the tap selector (1), characterized thereby, that the movable polarity contacts (38) are actuable by means of a further actuating fork (48) borne at the upper cage ring (6), wherein a roller (33) likewise sitting on the drive sheave (13) of the selector engages into this further actuating fork (48).

IPC 1-7

H01F 29/02; H01H 9/00

IPC 8 full level

H01F 29/04 (2006.01); H01F 29/02 (2006.01); H01H 9/00 (2006.01); H01H 3/44 (2006.01)

CPC (source: EP)

H01H 9/0027 (2013.01); H01H 3/44 (2013.01)

Citation (examination)

Designated contracting state (EPC)

AT FR GB SE

DOCDB simple family (publication)

EP 0035637 A1 19810916; EP 0035637 B1 19840314; AT E6708 T1 19840315; DE 3009052 A1 19810917; DE 3009052 C2 19831020; JP H0143443 B2 19890920; JP S56135916 A 19811023

DOCDB simple family (application)

EP 81100595 A 19810128; AT 81100595 T 19810128; DE 3009052 A 19800308; JP 3058881 A 19810305