US 12,255,012 B2
Bushing-type current transformer, and switchboard having current transformer applied thereto
Yong Jun Park, Anyang-si (KR)
Assigned to LS ELECTRIC CO., LTD., Anyang-si (KR)
Appl. No. 17/760,894
Filed by LS ELECTRIC CO., LTD., Anyang-si (KR)
PCT Filed Mar. 12, 2020, PCT No. PCT/KR2020/003443
§ 371(c)(1), (2) Date Mar. 16, 2022,
PCT Pub. No. WO2021/054555, PCT Pub. Date Mar. 25, 2021.
Claims priority of application No. 10-2019-0114714 (KR), filed on Sep. 18, 2019.
Prior Publication US 2022/0344095 A1, Oct. 27, 2022
Int. Cl. H01F 38/30 (2006.01); H01F 27/06 (2006.01); H02B 1/04 (2006.01); H02B 11/04 (2006.01)
CPC H01F 38/30 (2013.01) [H01F 27/06 (2013.01); H02B 1/04 (2013.01); H02B 11/04 (2013.01)] 5 Claims
OG exemplary drawing
 
1. A bushing-type current transformer, comprising:
a binding plate;
a bushing comprising:
a first integral fixing part having a cylindrical structure, facing a front side of a switchboard, and defining a first accommodating space; and
a second integral fixing part having a rectangular cylindrical structure, facing a rear side of the switchboard, and defining a second accommodating space;
wherein the first integral fixing part and the second integral fixing part are located on opposing sides of the binding plate;
a current transformer fitted and fixed to the first integral fixing part of the bushing; and
a terminal located in the first accommodating space, wherein a busbar is coupled within in the second accommodating space.