Choke

Claim 2

A choke for high voltage mains comprising in combination: two substantially identical partial windings disposed about respective magnetic core members, said partial windings having turns wound in opposite directions to one another and each having an upper end and a lower end; a ferromagnetic upper yoke and a ferromagnetic lower yoke connecting said core members to provide a closed magnetic circuit, said upper yoke being electrically connected to said upper ends of said partial windings and said lower yoke being electrically connected to said lower ends of said partial windings; means for connecting the full potential to be carried by said choke to said upper yoke; housing means in the form of two insulating columns each having an upper opening and a lower opening, and each surrounding a respective individual one of said partial windings; and two shielding members each positioned about a respective individual one of said yoke members, said shielding members and said yoke members closing off said upper openings and said lower openings of said insulating columns from the space outside of the choke.

Claim 3

A choke as defined in claim 1 further comprising means operatively arRanged within said housing for liquid cooling the choke.

Claim 4

A choke as defined in claim 1 wherein said upper ends of said partial windings, said upper yoke and its associated one of said shielding members are electrically, conductively connected together.

Claim 5

A choke as defined in claim 1 wherein said lower ends of said partial windings, said lower yoke and its associated one of said shielding members are electrically, conductively connected together.

Claim 6

A choke as defined in claim 1 wherein said partial windings are each respectively composed of partial winding sections, each partial winding section having an end defining an intermediate point of one of said partial windings; said magnetic core members are each constructed of partial core sections and each includes an outwardly extending intermediate flange, a respective one of each of said ends defining intermediate points of said partial windings being connected to a respective one of said flanges and said flanges of adjacent partial core sections being in contact for closing the electrical circuit of the choke as well as the magnetic circuit of the choke; and further comprising a shielding means positioned over at least a portion of said flanges.

Claim 7

A choke as defined in claim 3 wherein said partial windings are each respectively composed of partial winding sections, each partial winding section having an end defining an intermediate point of one of said partial windings; said magnetic core members are each constructed of partial core sections and each includes an outwardly extending intermediate flange, a respective one of each of said ends defining intermediate points of said partial windings being connected to a respective one of said flanges and said flanges of adjacent partial core sections being in contact for closing the electrical circuit of the choke as well as the magnetic circuit of the choke; and further comprising a shielding means positioned over at least a portion of said flanges.

Claim 8

A choke as defined in claim 1 wherein said insulating columns each comprise a porcelain support means.

Claim 9

A choke as defined in claim 3 wherein said insulating columns each comprise a porcelain support means.

Claim 10

A choke as defined in claim 6 wherein said insulating columns each comprise a porcelain support means.

Claim 11

A choke as defined in claim 9 further comprising insulating chain members connected between said shielding means for clamping said partial windings.

Claim 12

A choke as defined in claim 1 wherein each of said magnetic core members comprises a plurality of electrically insulated lamination packets.

Claim 13

A choke as defined in claim 11 wherein each of said partial windings comprises a plurality of disc coils.

Claim 14

A choke as defined in claim 1 further comprising at least one additional insulating column disposed beneath said lower yoke for insulating said lower yoke from reference potential whereby the choke may be used as a reactor in a transmission circuit for direct current.

Claim 15

A choke as defined in claim 4 further comprising at least one additional insulating column disposed beneath said lower yoke for insulating said lower yoke from reference potential whereby the choke may be used as a reactor in a transmission circuit for direct current.

Claim 16

A choke as defined in claim 2 wherein said means for liquid cooling the choke comprises channels around said upper yoke, said lower yoke and said magnetic core members for the circulation of a liquid coolant.

Claim 17

A choke as defined in claim 13 wherein said upper yoke, said lower yoke, said magnetic core members and said at least one additional insulating column are provided with channels for circulation of a liquid coolant.

Claim 18

A choke as defined in claim 2 wherein the shielding element associated with said upper yoke contains a recess comprising a compensation vessel for liquid coolant.

Claim 19

A choke as defined in claim 1 further comprising a third and a fourth substantially identical partial winding disposed respectively abouT additional core members, said third and said fourth partial windings having turns wound in opposite directions to one another and each having an upper end and a lower end; a second ferromagnetic upper yoke and said ferromagnetic lower yoke connecting said additional core members in parallel to provide a closed magnetic circuit, said second upper yoke being electrically connected to said upper ends of said third and said fourth partial windings and said lower yoke being electrically connected to said lower ends of said third and said fourth partial windings; additional housing means in the form of a third and a fourth insulating column each having an upper opening and a lower opening and each surrounding a respective individual one of said third and said fourth partial windings; a third shielding member positioned about said second upper yoke, said third shielding member and said upper yoke closing off the upper openings of said third and said fourth insulating columns from space outside of the choke and said lower yoke and its associated shielding member closing off the lower openings of said third and said fourth insulating columns from space outside the choke.

Claim 20

A choke as defined in claim 18 further comprising at least one additional insulating column disposed beneath said lower yoke for insulating said lower yoke from reference potential whereby the choke may be used as a reactor in a transmission circuit for direct current.

Claim 21

A choke as defined in claim 19 wherein the lower ends of said partial windings, said lower yoke and its associated one of said shielding members are electrically, conductively connected together.