STATOR CONTROLLED INDUCTION GENERATORS WITH SHORT-CIRCUITED ROTOR
First Claim
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1. An asynchronous short-circuited rotor generator for generating electric power wherein a stator is connected in series to a first end of a first winding of a transformer, and an electric power distribution grid is connected to the second end of the first winding of the transformer.
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Abstract
A generator is connectable to a turbine for generating electric power or a motor. An electric power generator system or a motor comprises an asynchronous short-circuited rotor generator or motor comprising a stator, a rotor, and a transformer having a first winding and a second winding, the first winding having a first end and a second end. The stator and the transformer are connectable in series with an electric power distribution grid.
56 Citations
39 Claims
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1. An asynchronous short-circuited rotor generator for generating electric power wherein a stator is connected in series to a first end of a first winding of a transformer, and an electric power distribution grid is connected to the second end of the first winding of the transformer.
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2. An electric power generator system or motor comprising:
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a short-circuited rotor induction generator or motor comprising a stator and a rotor; a transformer having a first winding and a second winding, said first winding having a first end and a second end; and wherein said stator and said transformer are connectable in series with an electric power distribution grid.
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3-12. -12. (canceled)
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13. A method of generating electrical power, said method comprising:
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generating electrical power using a short-circuited rotor induction generator comprising a stator and a rotor; connecting a first winding of a transformer in series between said stator and an electric power distribution grid; and flowing power between said stator and said electric power distribution grid via said transformer. - View Dependent Claims (14)
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15-19. -19. (canceled)
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20. A system for controlling:
- a short-circuited rotor induction generator providing electrical power to an electric distribution grid, or a motor connected to said grid, said generator or motor having a stator and a rotor, said system comprising a media readable by a processing unit, said media containing instructions for directing said processing unit to regulate one or more of the voltage of said stator independent of the voltage of said electric distribution grid, and the reactive power applied to said grid by said generator or motor.
- View Dependent Claims (21, 22, 23)
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24. A method of controlling a wind turbine generator connected to a grid, said turbine including a short-circuited rotor induction generator system having a stator and a rotor, said method comprising:
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generating a voltage; and injecting said voltage in series between said stator and said grid. - View Dependent Claims (25, 27, 28, 29, 30, 31)
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26. A method as in clam 24 wherein said voltage has a component in quadrature with the grid current, which component injects reactive power into said grid.
- 32. A method of operating a short-circuited rotor induction power generator or motor connected to a power distribution grid, said generator or motor comprising a rotor and a stator, said method comprising controlling the voltage applied to said stator independent of the voltage of said grid.
Specification