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WO/2018/178163A1 |
The invention relates to a high voltage transformer (1) comprising a primary circuit having a primary winding (101), a secondary circuit having at least two secondary windings (301a, 301b), which are connected in series and decoupled by ...
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WO/2018/180998A1 |
This annular coil component is formed by combining, at two coupling end parts, a pair of coil members each provided with a magnetic core, a resin case that almost entirely surrounds the magnetic core, and a coil wound around the resin ca...
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WO/2018/167947A1 |
Two through-holes (7a) are provided to a second cover (7) at portions facing a second core (9) and a secondary coil (5), and heat radiation members (11) are provided to the through-holes (7a). Heat generated from the secondary coil (5) i...
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WO/2018/154971A1 |
Provided is a power conversion device which is very low-cost and compact. A secondary winding 2 and a tertiary winding 3 are disposed in contact with a primary winding 1. The secondary winding 2 and the tertiary winding 3 are configured ...
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WO/2018/146196A1 |
The invention relates to an air-cooled dry-type transformer (1) comprising a core (10) provided with a branch (11); a winding body (14) arranged about the branch (11); a cooling channel (25) extending in the direction of the longitudinal...
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WO/2018/147221A1 |
This DC power supply device comprises: a transformer having a primary magnetic core, a secondary magnetic core, at least one primary coil wound on the primary magnetic core, and a plurality of secondary coils wound on the secondary magne...
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WO/2018/131797A1 |
Disclosed is a real-time detection/recovery system of a power line failure in a power distribution system, which immediately alerts, shuts off, and recovers power in real-time when a disconnection, a resistance increase, a contact failur...
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WO/2018/120796A1 |
Provided are a multifunctional machine reactor and a multifunctional machine output circuit. The reactor comprises a magnetic core, a winding, and a base. The left and right sides of the magnetic core are provided with a winding L1 and a...
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WO/2018/105465A1 |
In this electronic circuit board of a power conversion device or the like, thermal interference between mounted components is reduced in order to closely arrange the mounted components including a semiconductor element to be mounted on a...
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WO/2018/102578A1 |
An electric device comprises a core having a center section and two outer sections, a high current winding, and a low current winding. The high current winding includes a plurality of half-turn coils connected in parallel between a first...
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WO/2018/095757A1 |
The invention relates to a transformer device for making a compact transformer having high power density. For this purpose, a toroidal magnetic core comprising a secondary coil is inserted into a cup-shaped jacket having an inner segment...
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WO/2018/092335A1 |
The purpose of the present invention is to provide a transformer that has an iron core having less variation in space factor. In order to solve the problem, a representative transformer according to the present invention has: a wound iro...
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WO/2018/092392A1 |
Disclosed is an electronic component, which has a coil section having a base formed of a conductive metal, said coil section also having a terminal section connected to a predetermined circuit board, and in which the surface of the base ...
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WO/2018/088936A1 |
In the present method for manufacturing a three-phase transformer, first three stacks of steel strips of individual lengths are formed for assembly of a magnetic core. In a stack, the length of each strip and the position of the strips i...
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WO/2018/083409A1 |
The invention provides a high-voltage electrical transformer including: - a magnetic circuit (20); - at least one primary winding (22) and at least one secondary winding (24), each including at least one conductor which is wound in the f...
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WO/2018/077566A1 |
An electrical device (1) for connection to a high-voltage network, comprising: a magnetizable core (3); at least one coil (5, 6, 7) enclosing a section (4) of the core (3); a tank (2) filled with insulating fluid, in which the core (3) a...
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WO/2018/073876A1 |
Provided is a transformer in which air leakage is prevented by means of a sealing fixture that suppresses deformation of a flange portion of a tank and does not apply excessive load to a gasket. A transformer sealing fixture fastens and ...
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WO/2018/075748A1 |
A multi-phase coupled inductor can include: an upper E core including a first upper limb, a second upper limb, and a third upper limb; a lower E core including a first lower limb, a second lower limb, and a third lower limb; a first wind...
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WO/2018/070198A1 |
A transformer (1) is provided with: a core (10) to at least a part of which a gap (11) is provided and which forms a magnetic circuit; a bobbin (20) that is mounted to the core (10); a first winding wire (31) that is wound by being divid...
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WO/2018/068350A1 |
Provided is a network transformer (100) comprising a base (20) and an upper cover (40). The base (20) and the upper cover (40) are covered with each other to form an accommodating cavity in which a magnetic core coil (60) is arranged. Du...
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WO/2018/070199A1 |
According to the present invention, a transformer (1) that is one example of a coil component comprises: a core (10) that forms a magnetic circuit and has a center leg (10c) that is centered between outer legs (10a, 10b) that have respec...
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WO/2018/070200A1 |
A transformer (1) comprising: a bobbin (10) that is mounted on a core that forms a magnetic circuit; a collar (13) that is at least partially hollow on the inside and divides the bobbin (10) into a first region and a second region in the...
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WO/2018/067833A1 |
Embodiments of the present disclosure relate to a refrigeration system that includes a compressor configured to circulate refrigerant along a refrigerant loop, a motor (106-1, 106-2, 106-3) configured to drive the compressor, and a varia...
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WO/2018/061660A1 |
A transformer (105a) is provided with: an iron core (201); a primary winding wire (211) to which an AC voltage is inputted; a secondary winding wire (212) from which an AC voltage is outputted, wherein a high DC voltage is applied to the...
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WO/2018/051390A1 |
In order to provide a transformer and an electric power converter which are less likely to become deteriorated with time and which have stable insulation performance, the transformer according to the present invention is provided with: c...
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WO/2018/049520A1 |
A transformer apparatus that may be applied as a distribution circuit adaptor (DCA) inserted into a branch supply circuit to reduce losses in a power distribution network. More particularly, implementations of the present disclosure prov...
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WO/2018/046208A1 |
The aim of the invention is to provide a compact and cost-effective arrangement (1) for connecting a converter (15) to a high-voltage network carrying an alternating current, said arrangement comprising a number of single-phase transform...
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WO/2018/034035A1 |
This coil component is provided with: a first coil, a second coil, and a core. The first coil is provided with: a wound part formed by winding a winding wire; a current input-side lead-out part extending from the wound part; and a curren...
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WO/2018/029772A1 |
A lead wire support device (40) supports a lead wire (30) which is composed of an insulator and is drawn out from a winding of a stationary induction apparatus. The lead wire support device (40) is secured to an inner wall of a tank (20)...
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WO/2018/029922A1 |
The purpose of the present invention is to provide an oil-filled transformer in which upper and lower transformers have the same capacity, the transformer having a structure such that upper and lower flow passageways for insulating oil a...
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WO/2018/012065A1 |
This electronic component has a secondary coil configured from a plurality of coil sections, and each of the coil sections has a board-like base section, a leg section formed on the base section, and a pin section formed at the leading e...
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WO/2017/221253A1 |
A three-phase transformer, and method of assembling the same, are disclosed. The three- phase transformer comprises three closed-loop magnetic core elements each comprising two pairs of partial primary and secondary coils respectively as...
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WO/2017/221476A1 |
Provided is an isolated converter reduced in size in comparison with a conventional isolated converter and having high heat dissipation properties. The isolated converter is provided with a multi-layer substrate (8) in which a first thro...
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WO/2017/216412A1 |
The present invention relates to electric power engineering and to core-structure electric power engineering compo- nents, such as transformers and reactors, and especially to a busbar for a core-structure electric power engineering comp...
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WO/2017/214025A1 |
A transformer includes a core having first and second yokes and at least one leg extending between the first and second yokes. The at least one leg includes a coil assembly mounted thereto between the first and second yokes. An annular e...
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WO/2017/208745A9 |
A circuit device (20) is provided with: a core (30) including first core portions (31, 32) and second core portions (33, 34); and a first heat transfer member (40) that is disposed between the first core portions (31, 32) and the second ...
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WO/2017/208332A1 |
This coil structure includes: a coil 150 formed of a conductor; and insulation sheets 100 provided in the conductor forming the coil 150. The number of the provided insulation sheets 100 is two or more. The two or more insulation sheets ...
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WO/2017/208333A1 |
This magnetic component comprises: a coil structure which includes a core 80 having leg parts 81, coils 10, 20 formed of conductors wound around the leg parts 81, and two or more heat-radiative and electrically-insulative sheets 100 prov...
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WO/2017/208745A1 |
A circuit device (20) is provided with: a core (30) including first core portions (31, 32) and second core portions (33, 34); and a first heat transfer member (40) that is disposed between the first core portions (31, 32) and the second ...
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WO/2017/190782A1 |
The invention relates to a converter arrangement (1) having a converter (2) which can be switched between an AC voltage supply system and a DC voltage circuit and which has power semiconductor valves that extend between AC voltage connec...
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WO/2017/186716A1 |
The invention relates to a container arrangement for power transformers built of individual components, the components being connected detachably to each other so as to allow simple assembly/disassembly and separate transport; in said ar...
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WO/2017/187479A1 |
According to the present invention, planar transformers (5a, 5b) and heat dissipating members (8a, 8b, 8c, 8d, 9) are fixed in a transformer storage unit (7) by a heat-conductive resin filler (10) filling the transformer storage unit (7).
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WO/2017/186749A1 |
The aim of the invention is to create an arrangement (5) for replacement of a multi-phase transformer (1) having a plurality of single-phase transformers (6), each having a housing (10) filled with an insulating liquid, in which a core c...
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WO/2017/187478A1 |
A power conversion device (300) is provided with: planar-type coil components (100, 200) having a plate-shaped winding member (1, 21) and a core (12, 29) attached to the winding member (1, 21); a casing (31) having recesses (35, 36) hous...
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WO/2017/183610A1 |
A winding having a twisted wire in which a plurality of strands, in which the wire diameter of a copper wire is 0.05-0.5 mm, are twisted together, and an extrusion coating layer for covering the plurality of strands, wherein at least one...
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WO/2017/183166A1 |
The present invention provides an amorphous wound iron core transformer that can prevent scattering of debris of an amorphous foil band without causing demagnetization and an increase in iron loss. The present invention is composed of: a...
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WO/2017/169044A1 |
This coil component comprises: terminals for external connections that are connected to a plurality of secondary-side windings; and a consolidation member that consolidates the plurality of windings near the ends thereof.
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WO/2017/163534A1 |
The present invention provides a transformer and an electric power conversion device which enable an increase in winding heat dissipation. The transformer according to the present invention is provided with a pair of cores, and a primary...
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WO/2017/159163A1 |
The purpose of the present invention is to provide: a laminated core, which is used in, in particular, amorphous transformers suited to large volumes, and which has improved handling during manufacture and improved core strength; and an ...
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WO/2017/159010A1 |
A heat dissipation structure of a coil part (10) provided with a core (11) forming a magnetic circuit and having a plurality of legs, and a winding (12) wound on at least one leg to be wound selected from the legs and having a substantia...
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