MANAGEMENT TECHNIQUES FOR ELECTRIC POWER GENERATION EQUIPMENT
First Claim
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1. A method, comprising:
- providing load sharing lines between generators operable to connect in parallel to a common bus to provide electric power from the generators;
sending one or more signals over the load sharing lines;
detecting one or more responses to the one or more signals;
determining a connection status of at least one of the generators to the common bus based on the one or more responses.
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Abstract
A method for controlling power generation equipment, including bringing a generator online into a shared power bus environment, is described. The method includes determining whether the shared power bus is currently active, and whether a voltage determination fault is present with respect to a specific generator. Where the shared power bus is inactive and no fault is present, the generator is brought online in response to a load request. Where the shared power bus is active, the generator is synchronized with the shared power bus before the generator is brought online.
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Citations
26 Claims
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1. A method, comprising:
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providing load sharing lines between generators operable to connect in parallel to a common bus to provide electric power from the generators; sending one or more signals over the load sharing lines; detecting one or more responses to the one or more signals; determining a connection status of at least one of the generators to the common bus based on the one or more responses. - View Dependent Claims (2, 3, 4)
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5. A method, comprising:
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communicating between two or more generators, the generators each being operable to connect in parallel to a common bus to provide electric power therefrom; providing an input corresponding to bus voltage; determining a generator connection status relative to the bus as a function of the communicating between the generators and the input corresponding to bus voltage. - View Dependent Claims (6, 7)
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8. A method, comprising:
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providing a digital communications link between at least two generators, communicating the status of a power bus between the at least two generators, and communicating a breaker position of each individual generator to the at least two generators. - View Dependent Claims (9, 10, 11)
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12. A method, comprising:
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interpreting a first power bus voltage value; interpreting an active bus signal; and in response to the first power bus voltage value indicating a power bus voltage value is zero and the active bus signal indicating the power bus is active, providing a loss of bus voltage sensing fault. - View Dependent Claims (13, 14, 15, 16)
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17. An apparatus, comprising:
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a first bus voltage sensing module structured to interpret a first power bus voltage value; a system communications module structured to interpret an active bus signal; and a bus voltage fault module structured to, in response to the first power bus voltage value indicating a power bus voltage value is zero and the active bus signal indicating the power bus is active, provide a loss of bus voltage sensing fault. - View Dependent Claims (18, 19, 20, 21, 22)
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23. A system, comprising:
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a first generator having a first breaker structured to selectively couple the first generator to a common bus; a second generator having a second breaker structured to selectively couple the second generator to the common bus; and a means for coupling the first generator to the common bus when the common bus is at one of a zero voltage and a known voltage. - View Dependent Claims (24, 25, 26)
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Specification