Centrally controlled protection systems having reduced energy let-through mode
First Claim
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1. A centrally controlled protection system, comprising:
- a plurality of circuit breakers;
a plurality of modules, each of said plurality of breakers being in electrical communication with a respective one of said plurality of modules; and
a central computer in communication with each of said plurality of modules via a network, said central computer controlling said plurality of circuit breakers in either a normal mode or a reduced energy let-through mode.
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Abstract
A centrally controlled protection system is provided. The system includes a plurality of circuit breakers, a plurality of modules, and a central computer. Each of the plurality of breakers are in electrical communication with a respective one of the plurality of modules. The central computer is in communication with each of the plurality of modules via a network. The central computer controls the plurality of circuit breakers in either a normal mode or a reduced energy let-through mode.
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Citations
18 Claims
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1. A centrally controlled protection system, comprising:
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a plurality of circuit breakers;
a plurality of modules, each of said plurality of breakers being in electrical communication with a respective one of said plurality of modules; and
a central computer in communication with each of said plurality of modules via a network, said central computer controlling said plurality of circuit breakers in either a normal mode or a reduced energy let-through mode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A centrally controlled protection system, comprising:
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a plurality of main breakers at a first level of a power distribution system;
a plurality of tie-breakers at a second level of the power distribution system;
a plurality of feeder breakers at a third level of the power distribution system, said plurality of main, tie, and feeder breakers being divided into a plurality of zones of protection;
a plurality of modules, each of said plurality of main, tie, and feeder breakers being in electrical communication with a respective one of said plurality of modules;
a central computer in communication with each of said plurality of modules via a network so that said central computer controls said plurality of main, tie, and feeder breakers;
a plurality of normal settings groups resident in said central computer based upon a state of said main, tie, and feeder breakers within each respective zone of protection; and
a forced settings group resident in said central computer, said forced settings group comprising at least one parameter adjusted, with respect to parameters of said plurality of normal settings groups, to reduce energy let-though said respective zone of protection. - View Dependent Claims (10, 11, 12, 13, 14)
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15. A method of controlling a centrally controlled protection system, comprising:
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using a central controller to control a plurality of circuit breakers by automatically selecting from a plurality of normal settings groups based on a state of said plurality of circuit breakers; and
forcing said central computer to control at least one of said plurality of circuit breakers using a forced settings group, said forced settings group having at least one parameter for reducing energy let as compared to said normal settings groups.
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16. A method of controlling a centrally controlled protection system, comprising:
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using a central controller to control a plurality of circuit breakers in a first zone of protection by automatically selecting from a plurality of normal settings groups based on a state of said plurality of circuit breakers in said first zone of protection; and
forcing said central computer to control said plurality of circuit breakers in said first zone of protection using a forced settings group, said forced settings group having at least one parameter for reducing energy let through said zone of protection as compared to said normal settings groups. - View Dependent Claims (17, 18)
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Specification