Wireless exciter system, a motor and a mobility device having the same
AssigneesHyundai Motor Company, Kia Corporation, Chalmers University of Technology
InventorsHyung Kwan Jang, Byung Ho Min, Yujing Liu
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Abstract
A wireless exciter system includes a primary structure including a first converter and a primary coil and a secondary structure including a secondary coil, a second converter, and an inverter. The primary coil and the secondary coil are configured to operate as a transformer. One of the primary structure or the secondary structure is configured to rotate. The primary structure is connected to a direct current (DC) power source to receive power. The secondary structure is electrically connected to a rotor of a motor to output multi-phase alternating current (AC) power to the motor.
Claims20
A wireless exciter system, comprising:
- a primary structure including a first converter and a primary coil;
- and
- a secondary structure including a secondary coil, a second converter, and an inverter,
- wherein:
- the primary coil and the secondary coil are configured to operate as a transformer,
- one of the primary structure or the secondary structure is configured to rotate,
- the primary structure is connected to a direct current (DC) power source to receive power, and
- the secondary structure is electrically connected to a rotor of a motor to output multi-phase alternating current (AC) power to the motor.
A motor, comprising:
- a stator configured to output magnetic flux;
- a rotor configured to output magnetic flux to rotate by the magnetic flux of the stator;
- a primary structure including a first converter and a primary coil, and connected to a DC power source;
- and
- a secondary structure including a secondary coil, a second converter, and an inverter,
- wherein:
- the primary coil is fixedly installed on the stator,
- the secondary coil is configured to rotate together with the rotor, and
- the primary coil and the secondary coil are magnetically coupled.
A mobility device, comprising:
- a body;
- at least one driving device provided in the body;
- a battery provided in the body;
- and
- a motor connected to the battery, and providing driving force to the at least one driving device,
- wherein the motor comprises:
- a stator configured to output magnetic flux,
- a rotor configured to output magnetic flux to rotate by the magnetic flux of the stator,
- a primary structure including a first converter and a primary coil, and connected to a DC power source, and
- a secondary structure including a secondary coil, a second converter, and an inverter,
- wherein:
- the primary coil is fixedly installed on the stator,
- the secondary coil is configured to rotate together with the rotor, and
- the primary coil and the secondary coil are magnetically coupled.
Dependencies are inferred from the claim text.