A wind turbine generator includes a stator having a plurality of high-temperature superconducting coils. A current is driven through the high-temperature superconducting coils to produce a magnetic field. A rotor comprising one or more phase coils is physically coupled to a wind turbine. As the wind turbine turns the rotor, current is induced in the one or more phase coils to produce electrical power. The phase coils may include conductive material, superconducting material, and/or high-temperature superconducting material.

The present invention relates to a vertical axis wind turbine equipped with a high-temperature superconducting generator having a batch impregnation cooling structure.

The vertical axis wind turbine is configured to allow the superconducting generator and accessory devices (a cooling system, a power conversion system, etc.) to be located under a turbine tower, whereas allowing only a rotary body with vertical blades to be located on the upper portion of the turbine tower, unlike a conventional horizontal axis wind turbine, thereby remarkably reducing a top-head weight of the wind turbine, greatly decreasing installation and maintenance costs, removing technical difficulties in large scale construction, and allowing a center of weight to move to a portion under the turbine tower so that if the vertical axis wind turbine is applied for floating offshore wind power generation, it advantageously ensures the miniaturization of a floating body and the stability of a floating posture.

The present invention relates to a vertical axis wind turbine equipped with a high-temperature superconducting generator having a batch impregnation cooling structure.

The vertical axis wind turbine is configured to allow the superconducting generator and accessory devices (a cooling system, a power conversion system, etc.) to be located under a turbine tower, whereas allowing only a rotary body with vertical blades to be located on the upper portion of the turbine tower, unlike a conventional horizontal axis wind turbine, thereby remarkably reducing a top-head weight of the wind turbine, greatly decreasing installation and maintenance costs, removing technical difficulties in large scale construction, and allowing a center of weight to move to a portion under the turbine tower so that if the vertical axis wind turbine is applied for floating offshore wind power generation, it advantageously ensures the miniaturization of a floating body and the stability of a floating posture.

A superconductor-based engine including a temperature-controlled superconductor that acts as a source for mechanical motion transmission. In one aspect, an oscillating motion is obtained in accordance with switching alternately between a superconductivity state and a non-superconductivity state of the temperature-controlled superconductor.

Disclosed is a drive device, in particular for a flying vehicle such as an aircraft or a spacecraft, comprising at least one engine and a device for cooling the engine, the device for cooling the engine comprising a cryogenic refrigerator, i.e. refrigerating to a temperature between 100 C. and 273 C., the refrigerator comprising a working circuit forming a loop and containing a working fluid, the working circuit forming a cycle comprising, in series: a mechanism for compressing the working fluid, a mechanism for cooling the working fluid, a mechanism for expanding the working fluid and a mechanism for heating the working fluid, the refrigerator comprising a portion for heat exchange between the working fluid expanded in the expansion mechanism and the engine, the refrigerator being configured to produce a first determined maximum refrigeration power, characterized in that the device for cooling the engine further comprises an additional refrigeration system comprising a cryogenic fluid store that can be brought into heat exchange with the refrigerator and/or the engine, the additional refrigeration system being configured to supply a second determined maximum refrigeration power to the refrigerator and/or to the engine when the cryogenic fluid is brought into heat exchange with the refrigerator and/or the engine.

Disclosed is a drive device, in particular for a flying vehicle such as an aircraft or a spacecraft, comprising at least one engine and a device for cooling the engine, the device for cooling the engine comprising a cryogenic refrigerator, i.e. refrigerating to a temperature between 100 C. and 273 C., the refrigerator comprising a working circuit forming a loop and containing a working fluid, the working circuit forming a cycle comprising, in series: a mechanism for compressing the working fluid, a mechanism for cooling the working fluid, a mechanism for expanding the working fluid and a mechanism for heating the working fluid, the refrigerator comprising a portion for heat exchange between the working fluid expanded in the expansion mechanism and the engine, the refrigerator being configured to produce a first determined maximum refrigeration power, characterized in that the device for cooling the engine further comprises an additional refrigeration system comprising a cryogenic fluid store that can be brought into heat exchange with the refrigerator and/or the engine, the additional refrigeration system being configured to supply a second determined maximum refrigeration power to the refrigerator and/or to the engine when the cryogenic fluid is brought into heat exchange with the refrigerator and/or the engine.

A nanocomposite comprising crystalline grains in an amorphous matrix, the crystalline grains comprising an iron (Fe)-nickel (Ni) compound and being separated from one another by the amorphous matrix; and one or more barriers between the crystalline grains and the amorphous matrix, the barriers being configured to inhibit growth of the crystalline grains during forming of the crystalline grains, a barrier of the one or more barriers being between a crystalline grain and the amorphous matrix; wherein the amorphous matrix comprises an increased resistivity relative to a resistivity of the crystalline grains; and wherein the amorphous matrix is configured to reduce losses of the crystalline grains caused by a change in a magnetic field applied to the crystalline grains relative to losses of the crystalline grains that occur without the amorphous matrix.

A superconducting coil includes: a winding member 12 that has a side surface 18 along a coil radial direction and is formed by laminating a superconducting tape wire 20 in the coil radial direction by winding; and a bypass 19 that is provided on the side surface 18 of the winding member 12 and electrically connects the superconducting tape wire 20 in the coil radial direction.

A superconducting coil includes: a winding member 12 that has a side surface 18 along a coil radial direction and is formed by laminating a superconducting tape wire 20 in the coil radial direction by winding; and a bypass 19 that is provided on the side surface 18 of the winding member 12 and electrically connects the superconducting tape wire 20 in the coil radial direction.

A cryocooler device including a cryocooler including an input and an output, the input forming a cooling path, and a first stage that cools a working fluid in the cooling path. At least one thermal energy storage device selectively connectable to the cooling path and the cooling loop, wherein in a first operational mode of the cryocooler device where the at least one thermal energy storage device is connected to the cooling loop where the heat to be removed at the input exceeds a cooling capacity of the cryocooler device, and a second operational mode where the at least one thermal energy storage device is connected to the cooling path where the heat to be removed is less than the cooling capacity of the cryocooler and the heat is removed from the at least one thermal energy storage device.