Devices and methods for decentralized Volt/VAR control
First Claim
1. A first controller configured to provide decentralized coordinated control over a first segment of an electrical distribution system supplied by a first substation while a second controller is providing decentralized coordinated control over a second segment of the electrical distribution system supplied by a second substation, the first controller comprising:
- a network interface configured to receive first measurements associated with the first segment of the electrical distribution system supplied by the first substation and transmit a control signal configured to control equipment of the first segment of the electrical distribution system, wherein the first controller is configured not to control equipment of the second segment of the electrical distribution system supplied by the second substation that is controlled by the second controller; and
data processing circuitry configured to run first simulation of the first segment of the electrical distribution system simulating various equipment configurations based at least in part on the first measurements, to select from among the various equipment configurations an equipment configuration that is expected to cause a voltage deviation of the first segment of the electrical distribution system to approach a first desired value and active power losses of the first segment of the electrical distribution system to approach a second desired value, and generate the control signal, wherein the control signal is configured to cause the equipment of the first segment of the electrical distribution system to conform to the equipment configuration but not to control equipment of the second segment.
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Accused Products
Abstract
Devices and methods for the decentralized, coordinated control of the voltage and active power losses of an electrical distribution system in light of one another are provided. For example, a controller may include a network interface and data processing circuitry. The network interface may receive first measurements associated with a segment of an electrical distribution system and transmit a control signal configured to control equipment of the segment of the electrical distribution system. The data processing circuitry may run simulations of the segment of the electrical distribution system in various equipment configurations, selecting from among the various configurations one that is expected to cause the voltage deviation and the active power losses of the segment to approach desired values while keeping power factor within a desired range. The data processing circuitry then may generate the control signal, which may cause the equipment of the segment of the electrical distribution system to conform to the equipment configuration.
72 Citations
20 Claims
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1. A first controller configured to provide decentralized coordinated control over a first segment of an electrical distribution system supplied by a first substation while a second controller is providing decentralized coordinated control over a second segment of the electrical distribution system supplied by a second substation, the first controller comprising:
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a network interface configured to receive first measurements associated with the first segment of the electrical distribution system supplied by the first substation and transmit a control signal configured to control equipment of the first segment of the electrical distribution system, wherein the first controller is configured not to control equipment of the second segment of the electrical distribution system supplied by the second substation that is controlled by the second controller; and data processing circuitry configured to run first simulation of the first segment of the electrical distribution system simulating various equipment configurations based at least in part on the first measurements, to select from among the various equipment configurations an equipment configuration that is expected to cause a voltage deviation of the first segment of the electrical distribution system to approach a first desired value and active power losses of the first segment of the electrical distribution system to approach a second desired value, and generate the control signal, wherein the control signal is configured to cause the equipment of the first segment of the electrical distribution system to conform to the equipment configuration but not to control equipment of the second segment. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method for controlling first and second segments of an electrical distribution system while the first segment is providing power to a recovered portion of the second segment, using respective first and second application platforms, the first application platform controlling only equipment of the first segment and the second application platform controlling only equipment of the second segment, the method comprising:
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running a Volt/VAR control function on the second segment using the second application platform, wherein the Volt/VAR control function is configured to cause a voltage deviation over the second segment to approach a first certain value and to cause active power losses of the second segment to approach a second certain value; while the second application platform is running the Volt/VAR control function on the second segment, running a violation check function on the first segment using the first application platform, wherein the violation check function is configured to prevent or mitigate a voltage violation on the first segment; and after running the Volt/VAR control function on the second segment using the second application platform, running the Volt/VAR control function on the first segment using the first application platform, wherein the Volt/VAR control function is configured to cause a voltage deviation of the first segment to approach the first certain value and to cause the active power losses of the first segment to approach the second certain value. - View Dependent Claims (15, 16, 17)
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18. An article of manufacture comprising:
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one or more tangible, non-transitory machine-readable storage media having instructions encoded thereon for execution by a processor of a first electronic device, the instructions configured to perform Volt/VAR control over a first feeder supplied by a first substation of an electrical distribution system without controlling a second feeder supplied by a second substation of the electrical distribution system that is being controlled by a second electronic device, the instructions comprising; instructions to receive measurements associated with the first feeder of the electrical distribution system; instructions to simulate a distribution power flow of the first feeder according to various capacitor switching configurations of at least one capacitor of the first feeder using the measurements; instructions to determine an expected voltage deviation, reduction in power loss, and power factor associated with the various capacitor switching configurations based at least in part on the simulated distribution power flow of the first feeder; instructions to select a non-dominated capacitor switching configuration from among the various capacitor switching configurations in which the voltage deviation most closely approaches a first certain value and the reduction in power loss most closely approaches a second desired value; and instructions to control capacitors of the first feeder according to the non-dominated capacitor switching configuration. - View Dependent Claims (19, 20)
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Specification