An electric generator has a stator, a rotor and a coil on the stator or the rotor. The coil includes a plurality of turns of one or more high-temperature superconducting conductors shaped as a tape. Each tape conductor includes a substrate having a flat section and a high-temperature superconducting layer, the high-temperature superconducting layer being laid over one of the two major sides of the substrate, the high-temperature superconducting layer having a width in a direction parallel to the major side of the substrate. The turns of the coil are stacked in such a way that the major sides of the substrate are superposed to one another to form a coil section having a first dimension parallel to the width of the high-temperature superconducting layer and a second dimension orthogonal to the first dimension, the ratio between the first dimension and the second dimension being between 2 and 5.

A stator for a wind turbine generator is provided, the stator including a first end plate and a second end plate spaced apart from each other in an axial direction of the wind turbine generator, and a reinforcement structure shaped as a plate and arranged between, and fixed to the first end plate and the second end plate, wherein the reinforcement structure is configured for coupling the first end plate and the second end plate, such that a force is transmissible between the first end plate and the second end plate.

A method for controlling an electrical power system connected to an electrical grid having a generator and a power converter includes monitoring a speed condition of the electrical power system. The method also includes dynamically determining at least one regulator maximum limit for at least one regulator of the power converter based on the monitored speed condition. Further, the method includes operating the at least one regulator based on the at least one dynamic regulator maximum limit to avoid overmodulation of the electrical power system during high-slip operation and to improve sub-synchronous control interaction (SSCI) performance of the electrical power system.

A rotor support, a rotor, a motor, and a wind turbine are provided. The rotor support includes a magnetic yoke and a reinforcement portion provided on a first side surface of the magnetic yoke; a second side surface of the magnetic yoke is configured to operably dispose a magnet of a rotor; the reinforcement portion covers each magnetic circuit area, which can generate a partial magnetic circuit, of the first side surface; the sum of the radial thicknesses of the reinforcement portion and the magnetic yoke overlapped is greater than a preset thickness, and the radial thickness of the magnetic yoke is less than the preset thickness.

A transportation tooling structure, a split electric motor module with the transportation tooling structure, and a transportation method are provided. The transportation tooling structure comprises: a split base plate, a stator support and a rotor support, wherein the lower end of the stator support is fixedly supported on the upper surface of the split base plate, and the upper end of the stator support is fixedly supported on the side of a split stator close to the split base plate; and the upper end of the rotor support is fixedly supported on the side of an end of a split rotor away from the split stator, and the lower end of the rotor support is fixedly supported on the side of the split stator away from the split base plate.

The present application relates to an electric machine splitting or assembling method, an electric machine assembling method, and an electric machine splitting or assembling device including a sleeving device separating or coaxially sleeving first and second rotary bodies; the first disassembly device fixes the first rotary body and includes at least two first separable portions, and the first rotary body is split into petals in a circumferential direction by disassembling the first separable portions, or its respective petal segments are assembled in the circumferential direction by combining the first separable portions; and the second disassembly device is fixed to the second rotary body and includes at least two second separable portions, and the second rotary body is split into petals in the circumferential direction by disassembling the second separable portions, or its respective petal segments are assembled in the circumferential direction by combining the second separable portions.

In a method for mounting a prefabricated form-wound coil or tooth-wound coil on a layered laminated core to form a stator segment or stator, the form-wound coil or tooth-wound coil is insulated with insulation. Laminates are punched and stacked to form partial laminated cores and/or a laminated core, with the partial laminated cores being spaced apart from one another by spacers and forming substantially axially extending open slots of the laminated core. The form-wound coil or tooth-wound coil are radially inserted into the slots such as to embrace a tooth of the laminated core, and a removable auxiliary element is placed at an axial end face of the laminated core to protect the insulation of the form-wound coil or tooth-wound coil as the form-wound coil or tooth-wound coil is radially inserted into the slots. The auxiliary element is radially removed and repositioned on a further tooth of the laminated core.

An electric circuit providing a ground connection includes at least two brushes and a contact member, wherein each brush and the contact member form a sliding contact, wherein the contact member is connected to a ground potential by at least one of the sliding contacts, wherein at least two of the sliding contacts are connected to a current source adapted to provide a current through the sliding contacts.

A cooling system and a wind-driven generator system. The cooling system comprising: a first cooling loop, a second cooling loop, a third cooling loop, a first heat exchanger and a second heat exchanger, wherein the first cooling loop comprises a first fluid pipeline and a first pump set; the second cooling loop comprises a second fluid pipeline and a second pump set, and the second fluid pipeline comprises a main path and a bypass; the third cooling loop comprises a third fluid pipeline and a third pump set, and the third fluid pipeline communicates with both the first heat exchanger and the second heat exchanger; the first heat exchanger is configured to thermally couple the first cooling medium, the second cooling medium and the third cooling medium to one another; the second heat exchanger is configured to thermally couple the second cooling medium to the third cooling medium.

An electromagnetic generator comprises one or more flux assembly having at least one coil and at least one magnetic field source separated by a gap. An interference drum has a sidewall at least partially positioned inside the gap and comprising at least one magnetic field permeable zone and at least one magnetic field impermeable zone. The interference drum is movable relative to the at least one coil and to the at least one magnetic field source to alternatively position the at least one magnetic field permeable zone and the at least one magnetic field impermeable zone of the sidewall inside the gap. When the interference drum is moved, magnetic flux is created in the coil, and induces electrical current to flow into the coil. The coil may be connected to an external circuit, such that the electrical current may flow through the external circuit.