Composable Method for Explicit Power Flow Control in Electrical Grids
0 Assignments
0 Petitions
Accused Products
Abstract
A power flow control system for an interconnected power system, the interconnected power system comprising a plurality of electrical subsystems; an abstract framework configured to work as a utility maximiser under constraints (that applies to the electrical subsystems by specifying their capabilities, expected behavior and a simplified view of their internal state);and a plurality of agents. Each agent is responsible of one or a plurality of the electrical subsystems, comprises means configured to express an internal state of the electrical subsystem within a common system of coordinates, and has communication means configured to communicate among agents according to a protocol. The abstract framework means enables a composition of a set of the interconnected electrical subsystems into a further subsystem for which a further internal state is expressed within the same common system of coordinates used before, the further internal state being communicated with other agents according to the protocol.
-
Citations
24 Claims
-
1-12. -12. (canceled)
-
13. A power flow control system for an interconnected power system, the power flow system comprising:
-
a plurality of interconnected electrical subsystems; a framework computer having a processor, the processor operating an abstract framework model configured for utility maximizing under constraints, the constraints applied to the plurality of interconnected electrical subsystems by specifying their capabilities, expected behavior, and configured to generate a simplified view of an internal state of the plurality of interconnected electrical subsystems; and a plurality of agents, each agent being operated on a processing device, each agent iassociated to one of the plurality of interconnected electrical subsystems, each agent includes, a processor to determine an internal state of the associated interconnected electrical subsystem within a common system of coordinates, and a communication interface configured to communicate among the plurality of agents based on a protocol, wherein the framework computer is configured to group a set of the plurality of interconnected electrical subsystems into a further subsystem for which a further internal state is determined within the common system of coordinates, the further internal state being communicated between the plurality of agents according to the protocol. - View Dependent Claims (14, 15, 16, 17, 18)
-
-
19. A method for an explicit power flow control in an interconnected power system, the method comprising steps of:
-
defining a plurality of agents, each of the plurality of agents is operated on a computer and is configured to take autonomous action on an associated interconnected electrical subsystem from a plurality of interconnected electrical subsystems to meet a determined design objective; and defining an abstract framework operated on a computer, the abstract framework related to the plurality of interconnected electrical subsystems in order to specify an internal state and an expected behavior of each one of the interconnected electrical subsystems to provide a common system of coordinates, wherein the step of defining the abstract framework includes the steps of, using, for each one of the plurality of interconnected electrical subsystems, an agent associated to one of the interconnected electric subsystems, for representing the abstract framework as an envelope of a set of trajectories of the associated interconnected electrical subsystem in the common system of coordinates, the set of trajectories including a power-reactive power-time (PQt) profile and a set of virtual costs and belief functions; and using, for each one of the plurality of interconnected electrical subsystems, the agent associated with the interconnected electric subsystems, for communicating an internal state and expected behavior of the interconnected electrical subsystem by using a protocol, wherein the PQt profile describes bounds for an active power (P) and a reactive power (Q) that the interconnected electrical subsystem is capable of injecting or absorbing over a time horizon Δ
t starting at a time t0,the virtual costs include information about a proximity of the interconnected electrical subsystem to operational constraints, as a function of the active power (P) and the reactive power (Q), and the belief functions include bounds for the active power (P) and the reactive power (Q) that the interconnected electrical subsystem is capable of injecting or absorbing when instructed to operate at a predetermined active and reactive power setpoint. - View Dependent Claims (20, 21, 22, 23, 24)
-
Specification