A modular system applied to transformers, particularly power transformers, which comprises a structure having modules coupled between each other by fixation means, in such a manner that, the set thus formed, is positioned in the perimeter of the tank of the transformer and to which it is possible to connect several equipment and components, so that the referred components and equipment are positioned in the interior of the tank of the transformer, thus permitting the access to the referred components and equipment, when carrying out maintenance, supervision or control work, as well as to permit the optimization in the manufacture thereof, assembly, transport and installation.

A non-liquid immersed transformer including a magnetic core having a winding axis and at least two coil windings wound around the magnetic core along the winding axis. One or more cooling tubes made of dielectric material are arranged inside at least one of the coil windings to cool down the coil winding using dielectric fluid flowing through the dielectric cooling tubes. Each cooling tube is wound continuously forming one or more complete loops around the core.

A transformer includes a housing having a base wall, a first side wall, a second side opposing wall, a third side wall joining the first side wall and the second side wall at a first end including a first cooling channel joining the first side wall and the second side wall at a first end, and a fourth side wall including joining the first side wall and the second side wall at a second end. The first, second, third, and fourth side walls collectively define an interior portion. A cover extends across each of the first side wall the second side wall, the third side wall, and the fourth side wall. A cooling system includes a first cooling channel disposed in the third side wall, a second cooling channel disposed in the fourth side wall, and a third cooling channel disposed in the cover.

An electromagnetic induction charging device for an inductive, in particular contactless, charging of an at least partially electrified motor vehicle with electrical energy, with a housing, formed in a pot-like manner, which comprises a pot base and a pot collar, wherein the pot collar facing away from the pot base surrounds a pot opening, and with a thermally conductive cover which covers the pot opening and with an electromagnetic resonator arranged in the housing interior, wherein the housing includes a thermal insulation which is arranged at the pot collar and at the pot base for the thermal insulating of the housing interior with respect to the ex-ternal environment.

An inductor assembly includes a housing including a base, a sidewall, and an insert. The base and the sidewall define a cavity and the insert being positioned within the cavity. A core assembly is positioned within the cavity. The core assembly includes a core and a plurality of windings wrapped about the core and disposed between the sidewall and the insert. A flow path is formed in the housing for receiving a coolant to remove heat from the core assembly.

An inductor assembly includes a housing including a base, a sidewall, and an insert. The base and the sidewall define a cavity and the insert being positioned within the cavity. A core assembly is positioned within the cavity. The core assembly includes a core and a plurality of windings wrapped about the core and disposed between the sidewall and the insert. A flow path is formed in the housing for receiving a coolant to remove heat from the core assembly.

An electric device for connection to a high voltage includes an active part having a magnetizable core and at least one winding arrangement, each surrounding a core section of the core and having windings inductively coupled together, forming cooling channels in the windings. A boiler is filled with insulating fluid and the active part is completely disposed therein. The boiler has at least one insulating fluid inlet and at least one insulating fluid outlet interconnected by a circulation system outside of the boiler having a cooling unit and a pump for circulating the insulating fluid. The electric device has improved cooling achieved by each insulating fluid inlet being connected to a distributing unit, which is disposed on one of the end sides of the winding assembly, via an insulating fluid line extending in the boiler, the distributing unit distributing cooled insulating fluid to the cooling channels.

A radiator for cooling a transformer, preferably a power transformer, or a choke, includes a plurality of plate-shaped radiator elements which are disposed parallel to one another and through which a coolant can flow in parallel. At least one elastically deformable element is provided at least between two adjacent radiator elements and is constructed in such a way that it counteracts an expansion of the radiator elements perpendicular to the surface of the radiator elements. Plastic deformation of the walls of the radiator elements can be prevented by the elastically deformable elements. A unit including a transformer or a choke and a method for producing a radiator are also provided.

A radiator for cooling a transformer, preferably a power transformer, or a choke, includes a plurality of plate-shaped radiator elements which are disposed parallel to one another and through which a coolant can flow in parallel. At least one elastically deformable element is provided at least between two adjacent radiator elements and is constructed in such a way that it counteracts an expansion of the radiator elements perpendicular to the surface of the radiator elements. Plastic deformation of the walls of the radiator elements can be prevented by the elastically deformable elements. A unit including a transformer or a choke and a method for producing a radiator are also provided.

An electrical device for connecting to a high-voltage network has a vessel, which is filled with an insulating fluid, an active part, which is arranged in the vessel and which has a magnetizable core and partial windings for producing a magnetic field in the core, and a cooling apparatus for cooling the insulating fluid. The electrical device can be operated at high temperatures. At least one barrier system is provided, which at least partly delimits encapsulated spaces, in each of which at least one partial winding is arranged, the barrier system guiding the insulating fluid cooled by the cooling apparatus across the encapsulated spaces in such a way that different encapsulated-space temperatures arise in the encapsulated spaces.