摘要:
The present invention relates to a high-temperature superconducting rotating machine system equipped with a fixed type cryostat and a vaporized cryogen re-use cooling structure. The high-temperature superconducting rotating machine system equipped with a fixed type cryostat and a vaporized cryogen re-use cooling structure is configured to allow the cryostat as an immovable structure (fixed structure) where a liquid refrigerant is normally stored to be disposed in a rotor part where a high-temperature superconducting field core and a direct current power generator for a non-contact type exciter are located, so that a manufacturing and constructing structure becomes more simplified when compared with an existing cryogenic cooling structure (wherein a special and complicated cooling structure is needed to supply a cryogen to a high-temperature superconducting field coil rotating at a given speed) upon cryogenic cooling, thereby greatly improving the operation reliability, maintainability, and profitability of the rotating machine system.
摘要:
The present invention relates to a high-temperature superconducting rotating machine system equipped with a fixed type cryostat and a vaporized cryogen re-use cooling structure. The high-temperature superconducting rotating machine system equipped with a fixed type cryostat and a vaporized cryogen re-use cooling structure is configured to allow the cryostat as an immovable structure (fixed structure) where a liquid refrigerant is normally stored to be disposed in a rotor part where a high-temperature superconducting field core and a direct current power generator for a non-contact type exciter are located, so that a manufacturing and constructing structure becomes more simplified when compared with an existing cryogenic cooling structure (wherein a special and complicated cooling structure is needed to supply a cryogen to a high-temperature superconducting field coil rotating at a given speed) upon cryogenic cooling, thereby greatly improving the operation reliability, maintainability, and profitability of the rotating machine system.
摘要:
An electrical power system for a watercraft including a first electrical power plant configured to operate in a variable frequency mode to output variable frequency power to a first electrical network and a fixed frequency mode to output fixed frequency power to a second electrical network. There is a first electrical load including a first high temperature superconductor (HTS) motor connected to the first electrical network and a second electrical load connected to a second electrical network. A controller selectively connects the first electrical power plant to the first electrical network and operates the first electrical power plant in a variable frequency mode to output variable frequency power to power the first HTS motor and selectively connects the first electrical power plant to the second electrical network and operates the first electrical power plant in a fixed frequency mode to output fixed frequency power to power the second electrical load.
摘要:
A vibrating motor includes a shaft, a stationary portion, a vibrating body, a first coil spring, a second coil spring, a first support plate, and a second support plate. The shaft has a central axis extending in one direction. The shaft includes a coil wound around the central axis. The vibrating body is disposed radially outside the shaft and radially inside the coil and is capable of vibrating in one direction with respect to the stationary portion. The first and second coil springs are each disposed between the stationary portion and the vibrating body and wound in the circumferential direction. The first and second support plates are each disposed between the vibrating body and each coil spring. The vibrating body includes two magnets. The first and second support plates include a magnetic substance and are always pressed against one of the magnets.
摘要:
The present disclosure relates to cooling devices. The teachings thereof may be embodied in devices for cooling a rotor, which rotates about an axis, wherein the rotor is supported by a central rotor shaft. For example, in a cooling device, the rotor may be supported by a central rotor shaft and comprise a hollow space in the interior of the rotor shaft for accommodating coolant. It may include a first coolant line extending radially outwardly from the hollow space and an annular first distribution line fluidically connected to the hollow space via the first coolant line.
摘要:
A method of manufacturing a coil support member in which a thermosetting or thermoplastic material is introduced into a mold cavity and hardened, wherein one or more components are positioned within the mold cavity during the manufacturing process before the thermosetting or thermoplastic material is introduced, the components are then embedded in the thermosetting or thermoplastic material and form an integral part of the coil support member, and one or more functional filler materials are added to the thermosetting or thermoplastic material to improve the thermal matching between the integral components and the thermosetting or thermoplastic material.
摘要:
The present invention relates to a wind turbine having a wind turbine tower with a nacelle provided on the top to which a rotor hub with one or more wind turbine blades is rotatably mounted by a rotor shaft. A generator is arranged in the nacelle, wherein the superconducting rotor coils induce a current in the stator coils when the rotor is rotated, and wherein the stator coils are arranged in at least four phases. One or more converter modules convert the power output from the generator so that it matches the power of a power grid. The generator side of the converter modules comprises a number of rectifying circuits equal to the phases in the generator, while the power grid side comprises a number of inverting circuits equal to the phases of the power grid. This allows the transient of the electromagnetic brake torque relative to the nominal electromagnetic torque of the generator to be reduced. The ripples of the electromagnetic torque are also reduced since the switching frequency of the converter is increased. This in turn reduces the mechanical stresses occurring in the drive train in the event of a failure or error occurring in one of the converter modules. The present invention also relates to a method of operation of such a wind turbine where the defective converter module is selectively switched off and the wind turbine is put into operation again at a lower operation level.
摘要:
A superconducting electrical machine includes a stator and a rotor configured to rotate in a cavity defined by the stator. The rotor and the stator each include superconducting windings. The rotor and the stator also each include a composite configured to compensate for a volume change of various components of the rotor and stator during a change in temperature from a first temperature to a second temperature.
摘要:
A centrifugal gas compressor radial magnetic bearing (125) may include windings (126), a lamination sleeve (130), and a lamination (127). The lamination (127) aligned with the windings (126) may provide for efficient operation of the radial magnetic bearing (125). The centrifugal gas compressor shaft (120) may include a tapered region (118) with an adjacent shelf (124) for alignment with the forward surface (131) and taper of the lamination sleeve (130). The lamination sleeve (130) may include one or more axial hydraulic fitting ports (136) for coupling the lamination sleeve (130) and shaft (120) with an interference fit.
摘要:
An apparatus (structure) is provided to support a superconductor winding (61) of an electromotive machine. One or more elongated loops (74) and appropriate support structure (120) may be arranged to provide radial and tangential support to the superconducting winding (61). The elongated loops may be made of a material substantially resistant to heat flow. An axially-extending base assembly (100) may be arranged to anchor loops (74) with respect to the rotor core at a proximate end (76) of the elongated loops. A cradle (80) may be configured to define a recess (82) to receive the superconductor winding and to support the elongated loops at a distal end (78) of the loops.