The present invention discloses an electric drive train comprising: a rotor or propeller shaft (R), an electric motor assembly (GEMD) configured to drive the rotor or propeller shaft (R), the electric motor assembly (GEMD) comprising a plurality of stacked electric motor elements (Ee1, Ee2, Ee3, Ee4), a power branch of a first topology feeding a stacked electric motor element (Ee1) of the electric motor assembly (GEMD), said power branch (b1) comprising a RESS and an electric generator (G) supplying a power signal to said power branch (b1), a power branch (b3) of a second topology dissimilar from the first topology, said power branch feeding another stacked electric motor element of the electric motor assembly (GEMD), said power branch (b3) comprising: # an electric generator (G) supplying a power signal to said power branch, a matrix converter (Mc3) feeding the another stacked electric motor element (Ee3), # or, an electric generator supplying Direct Current to said power branch and a motor controller feeding the second stacked electric motor element (Ee3).

The present invention discloses an electric drive train comprising: a rotor or propeller shaft (R), an electric motor assembly (GEMD) configured to drive the rotor or propeller shaft (R), the electric motor assembly (GEMD) comprising a plurality of stacked electric motor elements (Ee1, Ee2, Ee3, Ee4), a power branch of a first topology feeding a stacked electric motor element (Ee1) of the electric motor assembly (GEMD), said power branch (b1) comprising a RESS and an electric generator (G) supplying a power signal to said power branch (b1), a power branch (b3) of a second topology dissimilar from the first topology, said power branch feeding another stacked electric motor element of the electric motor assembly (GEMD), said power branch (b3) comprising: # an electric generator (G) supplying a power signal to said power branch, a matrix converter (Mc3) feeding the another stacked electric motor element (Ee3), # or, an electric generator supplying Direct Current to said power branch and a motor controller feeding the second stacked electric motor element (Ee3).

A motor with self power generation includes a motor body, at least one magnetic element, a shield case, an induction element, a transfer circuit board and a working module. The motor body includes a shaft member. The at least one magnetic element, located at the shaft member, is to generate a dynamic electromagnetic induction space while the shaft member rotates. The shield case, located close to the shaft member, is to shield the shaft member. The induction element, fixed at the shield case, has a portion located inside the dynamic electromagnetic induction space to generate an induction power while the shaft member rotates. The transfer circuit board has a transfer circuit electrically coupled with the induction element to receive the induction power to further generate a working power. The working module, electrically coupled with the transfer circuit, is to receive the working power to execute a default work.

A motor with self power generation includes a motor body, at least one magnetic element, a shield case, an induction element, a transfer circuit board and a working module. The motor body includes a shaft member. The at least one magnetic element, located at the shaft member, is to generate a dynamic electromagnetic induction space while the shaft member rotates. The shield case, located close to the shaft member, is to shield the shaft member. The induction element, fixed at the shield case, has a portion located inside the dynamic electromagnetic induction space to generate an induction power while the shaft member rotates. The transfer circuit board has a transfer circuit electrically coupled with the induction element to receive the induction power to further generate a working power. The working module, electrically coupled with the transfer circuit, is to receive the working power to execute a default work.

A pneumatic energy supplying power for ultra-high voltage equipment, including a low voltage unit, an ultra-high voltage unit, and a connection unit for connecting the low voltage unit and the ultra-high voltage unit is provided. The low voltage unit includes a conversion module of low voltage side used for converting an electrical energy into a mechanical energy, and a gas compression pump driven by the conversion module of low voltage side to compress gas and output compressed gas. The ultra-high voltage unit includes a pneumatic motor driven by the compressed gas, and a conversion module of ultra-high voltage side driven by the pneumatic motor to generate power and output a power for load to the ultra-high voltage equipment. The connection unit includes an insulating gas-conveying pipe connecting the gas compression pump and the pneumatic motor to convey the compressed gas.

A pneumatic energy supplying power for ultra-high voltage equipment, including a low voltage unit, an ultra-high voltage unit, and a connection unit for connecting the low voltage unit and the ultra-high voltage unit is provided. The low voltage unit includes a conversion module of low voltage side used for converting an electrical energy into a mechanical energy, and a gas compression pump driven by the conversion module of low voltage side to compress gas and output compressed gas. The ultra-high voltage unit includes a pneumatic motor driven by the compressed gas, and a conversion module of ultra-high voltage side driven by the pneumatic motor to generate power and output a power for load to the ultra-high voltage equipment. The connection unit includes an insulating gas-conveying pipe connecting the gas compression pump and the pneumatic motor to convey the compressed gas.

In accordance with an embodiment, a flywheel includes a rotary shaft which is rotatably provided to the flywheel, a rotor which is fixed to the rotary shaft and rotatable with the rotary shaft, and an unrotatable stator arranged so as to face the rotor. The rotor includes first permanent magnets provided on a first surface facing the stator. The stator includes second permanent magnets which are provided on a second surface facing the rotor in correspondence with the first permanent magnets respectively and have the same polarity as that of the first permanent magnets.

In accordance with an embodiment, a flywheel includes a rotary shaft which is rotatably provided to the flywheel, a rotor which is fixed to the rotary shaft and rotatable with the rotary shaft, and an unrotatable stator arranged so as to face the rotor. The rotor includes first permanent magnets provided on a first surface facing the stator. The stator includes second permanent magnets which are provided on a second surface facing the rotor in correspondence with the first permanent magnets respectively and have the same polarity as that of the first permanent magnets.

The electric rotating machine includes a rotatable rotor including first magnetic field parts and second magnetic field parts formed in front and rear surfaces, respectively, by arranging permanent magnets in a circumferential direction; a first stator equipped with coils opposing the first magnetic field parts disposed, the coils forming first stator magnetic fields; a second stator equipped with coils opposing the second magnetic field parts disposed, the coils forming second stator magnetic fields; and a power feeder for driving the rotor to rotate by supplying power to the coils, and a power collector for extracting an induced current generated in the coils of the other stator resulting from rotation of the rotor. At least the coils disposed on the power supply side are formed by a superconducting material, a current supplied to the superconducting coils being made larger than an induced current generated in the other coils.

The electric rotating machine includes a rotatable rotor including first magnetic field parts and second magnetic field parts formed in front and rear surfaces, respectively, by arranging permanent magnets in a circumferential direction; a first stator equipped with coils opposing the first magnetic field parts disposed, the coils forming first stator magnetic fields; a second stator equipped with coils opposing the second magnetic field parts disposed, the coils forming second stator magnetic fields; and a power feeder for driving the rotor to rotate by supplying power to the coils, and a power collector for extracting an induced current generated in the coils of the other stator resulting from rotation of the rotor. At least the coils disposed on the power supply side are formed by a superconducting material, a current supplied to the superconducting coils being made larger than an induced current generated in the other coils.