Distributed control method and device of micro-grid system and storage medium
A distributed control and micro-grid technology, applied in the direction of circuit devices, DC network circuit devices, electrical components, etc., can solve the problems that the flexibility and response speed potential of the micro-grid cannot be brought into play, and achieve the guarantee of system frequency and load bus voltage Effect
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Embodiment 1
[0044] The first embodiment of the present invention proposes a distributed control method for a microgrid system, such as figure 1 shown, including:
[0045] S10. Integrate the subsystems under the microgrid system according to the determined common reference signal;
[0046] S20. Determine a reference initial phase angle corresponding to the bus voltage of the subsystem based on the bus voltage of the subsystem and the power line parameters;
[0047] S30. Perform phase angle adjustment according to the reference initial phase angle to obtain a control signal of a corresponding subsystem.
[0048]Specifically, the method in this embodiment is applicable to a microgrid system composed of an inverter-interfaced distributed generator (DG), which includes multiple subsystems. In this embodiment, two-level control is adopted for any subsystem, and it is also That is, the first-level control includes determining the reference initial phase angle corresponding to the bus voltage o...
Embodiment 2
[0100] The second object of the present invention is achieved through such a technical solution, a distributed control device for a microgrid system, including:
[0101] A tuning unit is used for integrating the subsystems under the inverter-interfaced microgrid system according to the determined common reference signal;
[0102] The first controller determines a reference initial phase angle corresponding to the bus voltage of the subsystem based on the bus voltage of the subsystem and power line parameters;
[0103] The second controller is configured to perform phase angle adjustment according to the reference initial phase angle to obtain control signals of corresponding subsystems.
[0104] Specifically, if figure 2 As shown, in this embodiment, the microgrid includes an inverter interface type distributed generator (DG), including multiple subsystems, and the common reference signal integrates multiple subsystem controllers together, and each subsystem corresponds to a...
Embodiment 3
[0110] The third object of the present invention is achieved by such a technical solution, a computer-readable storage medium, the computer-readable storage medium stores a program for implementing information transmission, and when the program is executed by a processor, the aforementioned Distributed control method for microgrid system.
[0111] In one embodiment, the processor invokes a program in a computer-readable storage medium to implement the following operations:
[0112] Integrate subsystems under the microgrid system according to the determined common reference signal;
[0113] determining a reference initial phase angle corresponding to the bus voltage of the subsystem based on the bus voltage of the subsystem and power line parameters;
[0114] Phase angle adjustment is performed according to the reference initial phase angle to obtain control signals of corresponding subsystems.
[0115] Those skilled in the art should understand that the embodiments of the pr...
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