Multi-generator applications using variable speed and solid state generators for efficiency and frequency stabilization
First Claim
Patent Images
1. A system comprising:
- at least one variable speed generator system comprising a generator driven by an engine and configured to provide power to a load bus;
at least one fixed speed generator system comprising a generator driven by an engine and configured to provide power to the load bus;
a solid state generator (SSG) system comprising at least one energy storage device and a converter coupled to the at least one energy storage device and configured to transfer power between the at least one energy storage device and the load bus; and
a control system configured to control the at least one variable speed generator system, the at least one fixed speed generator system and the SSG system responsive to changes in a load on the load bus.
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Abstract
A system includes at least one variable speed generator system configured to provide power to a load bus and at least one fixed speed generator configured to provide power to the load bus. The system also includes a solid state generator (SSG) system including at least one energy storage device and a converter coupled to the at least one energy storage device and configured to transfer power between the at least one energy storage device and the load bus. The system further includes a control system configured to control the at least one variable speed generator system, the at least one fixed speed generator and the SSG system responsive to changes in a load on the load bus.
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Citations
22 Claims
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1. A system comprising:
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at least one variable speed generator system comprising a generator driven by an engine and configured to provide power to a load bus; at least one fixed speed generator system comprising a generator driven by an engine and configured to provide power to the load bus; a solid state generator (SSG) system comprising at least one energy storage device and a converter coupled to the at least one energy storage device and configured to transfer power between the at least one energy storage device and the load bus; and a control system configured to control the at least one variable speed generator system, the at least one fixed speed generator system and the SSG system responsive to changes in a load on the load bus. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 21)
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10. A method comprising:
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coupling at least one variable speed generator system comprising a generator driven by an engine, at least one fixed speed generator system comprising a generator driven by an engine, and a solid state generator (SSG) system to a load bus, the SSG system comprising at least one energy storage device and a converter having a first port coupled to the at least one energy storage device and a second port coupled to the load bus; and selectively activating and deactivating the at least one fixed speed generator system and operating the at least one variable speed generator system and the SSG system responsive to changes in a load on the load bus. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 22)
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19. A system comprising:
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a solid state generator (SSG) system comprising at least one energy storage device and a converter having a first port coupled to the at least one energy storage device and a second port coupled to a load bus; a variable speed generator system comprising a generator driven by an engine and coupled to the first port of the converter; at least one fixed speed generator system comprising a generator driven by an engine and coupled to the load bus; and a control system configured to selectively activate and deactivate the at least one fixed speed generator system and operate the variable speed generator system to maintain the load and to transiently operate the SSG system to maintain a voltage and/or a frequency of the load bus. - View Dependent Claims (20)
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Specification