A receiving device for receiving a magnetic field and for producing electric energy by magnetic induction, wherein the receiving device includes at least one coil of at least one electric line and wherein the magnetic field induces an electric voltage in the at least one coil during operation. The receiving device and the at least one coil are adapted to receive the magnetic field from a receiving side of the receiving device. The receiving device includes a first field shaping arrangement having magnetizable material adapted to shape magnetic field lines of the magnetic field. The receiving device includes a capacitor arrangement electrically connected to the at least one coil. The receiving device includes a first cooling structure having conduits for guiding a flow of a cooling fluid to cool the receiving device and is placed in between the first field shaping arrangement and the capacitor arrangement.

A cold plate and a method of manufacturing the cold plate involve a first side with a first surface, and a second side, opposite the first side, with a second surface opposite the first surface. The cold plate includes a flow channel formed between the first side and the second side, and a cavity integrally machined into the first surface of the first side. The cavity seats a toroidal transformer and is defined by a circular outside wall and a base whose surface is thinner than the first surface.

A cold plate and a method of manufacturing the cold plate involve a first side with a first surface, and a second side, opposite the first side, with a second surface opposite the first surface. The cold plate includes a flow channel formed between the first side and the second side, and a cavity integrally machined into the first surface of the first side. The cavity seats a toroidal transformer and is defined by a circular outside wall and a base whose surface is thinner than the first surface.

A cold plate and a method of manufacturing a cold plate involve a first side with a first surface, and a second side, opposite the first side, with a second surface opposite the first surface. The cold plate includes a flow channel formed between the first side and the second side, and a cavity integrally machined into the first surface of the first side. The cavity seats an inductor and is defined by an outer wall and a base with thicker sections and thinner sections such that even the thicker sections of the base are thinner than a thickness of the first surface.

A cold plate and a method of manufacturing a cold plate involve a first side with a first surface, and a second side, opposite the first side, with a second surface opposite the first surface. The cold plate includes a flow channel formed between the first side and the second side, and a cavity integrally machined into the first surface of the first side. The cavity seats an inductor and is defined by an outer wall and a base with thicker sections and thinner sections such that even the thicker sections of the base are thinner than a thickness of the first surface.

A box-shaped inner case (3) is accommodated in a box-shaped outer case (2), and refrigerant flow passages (27) are formed at five surfaces except an opening surface (24) by gaps between the inner and outer cases. A Gap of an opening edge of the outer case (2) and an opening edge of the inner case (3) is covered with a frame-shaped cover (6). A coil (4) is placed in the inner case (3), and the inner case (3) is filled with magnetic powder mixture resin so that the coil (4) except the terminals (4a, 4b) is embedded. A core (5) is made of the magnetic powder mixture resin. Cooling water flows along a longitudinal direction of the outer case (2) with one of refrigerant pipe connecters (15) being a refrigerant inlet and the other of the refrigerant pipe connecters (15) being a refrigerant outlet.

The invention relates to an electrical machine comprising a stator (1) and a rotor (2) designed to be rotated in relation to each other, said rotor (2) or said stator comprising a plurality of permanent magnets (5), at least one permanent magnet comprising at least one fluid-propagation channel (10) extending longitudinally inside the permanent magnet, the propagation channel comprising a fluid inlet and a fluid outlet, the fluid inlet being bell-mouthed and oriented in a preferential direction of rotation of the permanent magnet.

A reactor unit is equipped with a reactor and a cooler. A coolant flows through an interior of the cooler. The cooler cools the reactor through radiation of heat to the coolant. The reactor is mounted on an upper surface of an upper plate of the cooler. A lower surface of the reactor faces the upper plate of the cooler. An upper surface of the reactor is covered with a metal plate. The metal plate is thermally in contact with the upper surface of the upper plate of the cooler.

A reactor unit is equipped with a reactor and a cooler. A coolant flows through an interior of the cooler. The cooler cools the reactor through radiation of heat to the coolant. The reactor is mounted on an upper surface of an upper plate of the cooler. A lower surface of the reactor faces the upper plate of the cooler. An upper surface of the reactor is covered with a metal plate. The metal plate is thermally in contact with the upper surface of the upper plate of the cooler.

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.