| 摘要 |
An apparatus and method for generating electricity from the movement of seawater in ocean currents. An impeller is set within a stationary frame. The impeller rotates around a non-moving shaft. There are four sets of electromagnetic coils, two of which are stationary, and two of which rotate with the impeller. The first set of coils is stationary. The second and third sets of coils rotate with the impeller. The second set of coils moves past the first set, generating an electric current which is used to energize the third set of coils. The fourth set of coils is also stationary. The third set of coils moves past the fourth set, generating another electric current, part of which is fed back to the first set of coils until they are brought to a maximum operating electro-magnetic field density, and part of which is transmitted externally to supply electric power on shore.
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