US 12,014,870 B2
Air-core reactors for use with power transmission systems
Amit Kumar, Stafford (GB); Henrique Borges Zaninelli, Itajuba (BR); and Luiz Souza, Stafford (GB)
Assigned to GE Infrastructure Technology LLC, Greenville, SC (US)
Filed by General Electric Technology GmbH, Baden (CH)
Filed on Apr. 13, 2022, as Appl. No. 17/720,160.
Prior Publication US 2023/0335324 A1, Oct. 19, 2023
Int. Cl. H01F 7/16 (2006.01); H01F 7/08 (2006.01); H01F 7/127 (2006.01); H01F 27/28 (2006.01)
CPC H01F 7/16 (2013.01) [H01F 7/081 (2013.01); H01F 7/127 (2013.01); H01F 27/28 (2013.01); H01F 2007/1692 (2013.01)] 19 Claims
OG exemplary drawing
 
1. An air-core reactor comprising:
a main coil electrically connected to a main circuit of a power transmission system, the main coil comprising:
a first solenoid having a first diameter; and
a second solenoid having a second diameter, wherein the first diameter and the second diameter are different; and
an auxiliary coil comprising a third solenoid,
wherein the auxiliary coil is electrically connected to an auxiliary circuit of the power transmission system,
wherein the main circuit is connected to first devices,
wherein the auxiliary circuit is connected to lower power devices than the first devices,
wherein the first solenoid and the second solenoid are arranged concentrically,
wherein the auxiliary coil is magnetically coupled to the main coil, and
wherein the auxiliary coil is arranged concentric to the main coil.