JP2017139438A5 - - Google Patents

Claims (31)

An outer peripheral iron core (20);
Comprising at least three iron core coils (31 to 33) in contact with the inner surface of the outer peripheral iron core or coupled to the inner surface;
Each of the at least three iron core coils is composed of an iron core (41-43) and a coil (51-53) wound around the iron core,
A three-phase reactor in which a magnetically connectable gap (101 to 103) is formed between one of the at least three iron core coils and an iron core coil adjacent to the one iron core coil. .   The three-phase reactor according to claim 1, wherein the number of the at least three iron core coils is a multiple of three. The iron core of the at least three iron core coils is composed of a plurality of iron core portions (41a to 43a, 41b to 43b),
The three-phase reactor according to claim 1 or 2, wherein a magnetically connectable core part gap (111 to 113) is formed between the plurality of core parts.   4. The outer peripheral core gap (121 to 123) that can be magnetically coupled is formed between the iron core and the outer peripheral core of the at least three iron core coils. 5. The three-phase reactor according to item.   The said outer peripheral part iron core is a three-phase reactor as described in any one of Claim 1 to 4 comprised from the several outer peripheral part iron core part (21-23).   The three-phase reactor according to claim 5, wherein an outer peripheral core portion gap (61-63) is formed between adjacent outer peripheral core portions of the plurality of outer peripheral core portions.   The three-phase reactor according to any one of claims 1 to 6, wherein the at least three iron core coils are arranged rotationally symmetrically.   The three-phase reactor includes a first set (31, 33, 35) composed of at least three core coils and a second set (32, 34, 36) composed of at least three other core coils. The three-phase reactor according to any one of 1 to 7.   The three-phase reactor according to claim 8, wherein the three-phase reactor has three or more sets of three iron core coils.   10. The gap according to claim 1, wherein the gap of the three-phase reactor is inserted or filled with a gap material, insulating paper, or resin (71) that is a nonmagnetic material. Three-phase reactor.   10. The three-way structure according to claim 1, wherein a gap material, an insulating material, or a resin (72) that is a nonmagnetic material is filled inside the outer peripheral core of the three-phase reactor. Phase reactor. The coil is disposed in a space formed between the iron core and the outer peripheral iron core portion,
  The reactor according to any one of claims 1 to 11, wherein a gap length of the gap between the one iron core and the other iron core is shorter than a width of the space. An outer peripheral iron core (20);
Comprising at least three core coils (31 to 33) in contact with or coupled to the inner surface of the outer peripheral core;
Each of the at least three iron core coils is composed of an iron core (41-43) and a coil (51-53) wound around the iron core,
Furthermore, comprising an inter-coil core (81-83) disposed between the at least three iron core coils,
A three-phase reactor in which gaps (101 to 103) that can be magnetically coupled are formed between the at least three iron core coils and the inter-coil iron core. The three-phase reactor according to claim 13 , wherein the inter-coil core has two surfaces forming an acute angle, and each of the two surfaces faces the core coil with the gap interposed therebetween. The three-phase reactor according to claim 13 or 14 , wherein the number of the at least three iron core coils is a multiple of three. The iron core of the at least three iron core coils is composed of a plurality of iron core portions,
The three-phase reactor according to any one of claims 13 to 15 , wherein a magnetically connectable core part gap is formed between the plurality of core parts. Third claimed in any one of claims 13 to outer periphery core gap connectable magnetically is formed of 16 between the core and the outer peripheral portion iron core of said at least three core coil Phase reactor. The inter-coil core is composed of a plurality of inter-coil core portions (81a to 81b, 82a to 82b, 83a to 83b),
The three-phase reactor according to any one of claims 13 to 17, wherein an inter-coil core portion gap (131 to 133) that can be magnetically coupled is formed between the plurality of inter-coil core portions. The three-phase reactor according to any one of claims 13 to 18 , wherein the outer peripheral core is composed of a plurality of outer peripheral core portions (21 to 23). The three-phase reactor according to claim 19 , wherein outer peripheral core portion gaps (21a to 21c) are formed between adjacent outer peripheral core portions of the plurality of outer peripheral core portions. The three-phase reactor according to any one of claims 13 to 20 , wherein the three iron core coils are arranged rotationally symmetrically. The three-phase reactor according to any one of claims 13 to 21 , wherein the three-phase reactor includes a first set of three iron core coils and a second set of other three iron core coils. The three-phase reactor according to claim 22 , wherein the three-phase reactor has three or more sets of three iron core coils. The gap according to any one of claims 13 to 23 , wherein the gap of the three-phase reactor is inserted or filled with a gap material (71) which is a non-magnetic material, insulating paper or resin. Phase reactor. The three-phase reactor according to any one of claims 13 to 23 , wherein a gap material (72) that is a nonmagnetic material, an insulating material, or a resin is filled inside the outer peripheral core of the three-phase reactor. . The coil is disposed in a space formed between the iron core and the outer peripheral iron core portion,
  The reactor according to any one of claims 13 to 25, wherein a gap length of the gap between the one iron core and the other iron core is shorter than a width of the space. An outer peripheral core composed of at least three outer peripheral cores; and
  Comprising at least three iron core coils arranged inside the outer peripheral iron core,
  Each of the at least three iron core coils is composed of an iron core that is in contact with or integrally formed with each of the outer peripheral core portions, and a coil wound around the iron core,
  A magnetically connectable gap is formed between one of the at least three iron cores and another iron core adjacent to the one iron core,
  The coil is disposed in a space formed between the iron core and the outer peripheral iron core portion,
  A reactor, wherein a gap length of the gap between the one iron core and the other iron core is shorter than a width of the space. A motor drive device comprising the reactor according to any one of claims 1 to 27 . A machine comprising the motor driving device according to claim 28 . A power conditioner comprising the reactor according to any one of claims 1 to 27 . A machine or apparatus comprising the power conditioner according to claim 30 .