Real-time management control method of energy of microgrid

Abstract

The invention relates to a real-time management control method of energy of a microgrid. The method comprises following steps of acquiring current time, and judging which time period the current time belongs to; according to the time period that the current time belongs to, carrying out control parameter initialization; judging the operation mode of the microgrid, and when the operation mode is a grid-connected operation mode, executing the grid-connected operation procedure of the microgrid; when the operation mode is an off-grid operation mode, executing an off-grid operation procedure of the microgrid; when the operation mode is a switching mode from the grid-connected mode to the off-grid mode, executing the switching procedure from the grid-connected mode to the off-grid mode of the microgrid; and when the operation mode is a switching mode from the off-grid mode to the grid-connected mode, executing the switching procedure from the off-grid mode to the grid-connected mode of the microgrid. According to the invention, based on the real-time scheduling technology of the energy of the microgrid with multiple constraint targets like the power grid, the power generation, the load, the energy storage and the electric price, power balancing technology and seamless switching under the grid-connected mode, the off-grid mode, and the grid-connected mode-to-the off-grid mode can be achieved.

Description

technical field [0001] The invention relates to the field of micro-grids, in particular to a method for real-time management and control of micro-grid energy. Background technique [0002] Distributed energy resources (DER) are generally defined to include distributed generation (DG), energy storage devices (ES), and systems connected to the public grid. Among them, DG refers to a small power generation system connected to the user side to meet the special needs of end users, mainly including internal combustion engines, micro gas turbines, fuel cells, solar energy, wind power and other power generation systems. Distributed energy has many advantages, such as realizing comprehensive cascade utilization of energy, making up for the lack of stability of large power grids, and being environmentally friendly. negative impact. [0003] Micro-Grid (MG), also known as micro-grid, coordinates and controls distributed power generation, energy storage devices, and loads through the ...

AI Technical Summary

Problems solved by technology

[0006] The traditional micro-grid control adopts single-chip microcomputer or DSP to develop its data processing capability is limited, communication compatibility and real-time performance are relatively poor, and complex micro-grid control algorithms cannot be integrated, it can only meet some simple micro-grid control requirements, and it is very difficult It is difficult to achieve fast real-time energy scheduling, which makes the energy management of the microgrid relatively extensive, and cannot realize on-off grid switching, let alone meet the control requirements of complex micro-grids at the same time, and cannot improve the energy utilization efficiency of micro-grids

Images