Data sample and transmission modules for power distribution systems
First Claim
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1. A data sample and transmission module for a power distribution system, comprising:
- a microprocessor for sampling one or more first signals indicative of a condition of power in the power distribution system;
a phase-lock-loop algorithm resident on said microprocessor; and
a network interface for placing said microprocessor in communication with a data network, said microprocessor sampling said one or more first signals based upon said phase-lock-loop algorithm as adjusted by a synchronization signal transmitted on said data network.
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Abstract
A data sample and transmission module for a power distribution system is provided. The module has a microprocessor and a network interface. The microprocessor samples first signals indicative of a condition of power in the power distribution system. The network interface places the microprocessor in communication with a data network. The microprocessor samples the first signals based in part upon a synchronization signal transmitted on the data network.
263 Citations
24 Claims
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1. A data sample and transmission module for a power distribution system, comprising:
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a microprocessor for sampling one or more first signals indicative of a condition of power in the power distribution system;
a phase-lock-loop algorithm resident on said microprocessor; and
a network interface for placing said microprocessor in communication with a data network, said microprocessor sampling said one or more first signals based upon said phase-lock-loop algorithm as adjusted by a synchronization signal transmitted on said data network. - View Dependent Claims (2, 3, 4)
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5. A data sample and transmission module for a power distribution system, comprising:
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a microprocessor for sampling one or more first signals indicative of a condition of power in the power distribution system; and
a network interface for placing said microprocessor in communication with a data network, said microprocessor sampling said one or more first signals based in part upon a synchronization signal transmitted on said data network, wherein said microprocessor is configured to combine said one or more first signals as raw parametric data in a first message and to send said first message over said data network. - View Dependent Claims (6, 7, 8, 9, 10, 11)
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12. A data sample and transmission module for a power distribution system, comprising:
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a microprocessor for sampling a power condition signal from a circuit in the power distribution system;
a network interface placing said microprocessor in communication with a central processor so that said microprocessor can send a first message containing said power condition signal to said central processor and can receive a second message and a synchronization pulse from said central processor, said microprocessor sampling said power condition signal based in part upon said synchronization pulse;
means for operating a circuit breaker in the power distribution system in response to said second message; and
means for operating said circuit breaker in response to said power condition signal independent of said second message. - View Dependent Claims (13, 14, 15, 16, 17)
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18. A protection system for a power distribution system, comprising:
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a first circuit breaker in communication with a first module;
a second circuit breaker in communication with a second module; and
a central processor in communication with said first and second modules so that said central processor can send a synchronization signal to said first and second modules, said first module sampling a first power condition at said first circuit breaker based in part upon said synchronization signal, said first module sending said first power condition to said central processor, said second module sampling a second power condition at said second circuit breaker based in part upon said synchronization signal, and said second module sending said second power condition to said central processor, wherein said central processor is configured to control said first circuit breaker based on said first power condition, said second circuit breaker based on said second power condition, and combinations thereof. - View Dependent Claims (19, 20, 21, 22, 23, 24)
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Specification