Micro-grid energy real-time optimization control method

A technology of optimal control and micro-grid, applied in the field of micro-grid, it can solve the problems of poor electricity economy and the inability to balance real-time energy well, and achieve the effect of filling valley economy, ensuring running speed, and meeting accuracy requirements.

Inactive Publication Date: 2014-02-19
SHANGHAI MUNICIPAL ELECTRIC POWER CO +1
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Problems solved by technology

[0006] The purpose of the present invention is to provide a real-time optimization control method for micro-grid energy, aiming at the lowest energy cost of buildings, to ensure the balance of system energy in the p

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Embodiment Construction

[0028] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0029] The microgrid energy real-time optimization control method of the present invention includes the following steps:

[0030] (1) Prioritize the use of the output of wind turbines and photovoltaic power generation units to maximize the use of wind and solar energy;

[0031] (2) When the output power of wind turbines and photovoltaics is greater than the power load of the system, the energy storage unit and electric vehicles are charged first, and the excess power is sold to the main grid to increase system revenue;

[0032] (3) When the output of wind turbines and photovoltaics cannot meet the power load of the system, the state of charge of the battery is detected. When the load is relatively high, if the battery meets the discharge conditions, the discharge output of the battery is increased;

[0033] (4) If the energy balance of the system can be sati...

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Abstract

The invention relates to a micro-grid energy real-time optimization control method. When output power of a fan and output power of a photovoltaic power system are larger than the system power load, charging is carried out on an energy storage unit and an electric automobile, redundant electric energy is sold to a main grid, and the system benefit is increased; the output of storage batteries is continuously increased in the peak-load period to sell electricity to the main grid, the system benefit is increased, and the effect of peak clipping is achieved; in addition, when the generating cost of fuel cells is higher than the electricity purchasing cost, the electricity is purchased from the main grid, and the purpose of filling the peak valley and the purpose of improving operating economy of the system are achieved. The balance of system energy in the power grid is ensured, the economic benefit is increased, energy saving and emission reduction are achieved, and the problems that at present, economy of electricity consumption is poor, and real-time energy of system operation cannot be well balanced are solved.

Description

technical field [0001] The invention relates to the technical field of micro-grids, in particular to a real-time optimization control method for micro-grid energy. Background technique [0002] Energy is an important material basis and strategic resource for economic and social development. Climate change and energy issues have placed urgent demands on countries around the world for low-carbon development. On the one hand, with the development of the economy, the increase of population and the acceleration of urbanization, the demand for energy is increasing rapidly. The extensive use of fossil energy has caused environmental pollution and greenhouse gas emissions, and environmental problems have become increasingly prominent. On the other hand, since fossil energy itself is a non-renewable energy source, continuous consumption also causes resource depletion. Improve energy utilization rate, develop clean energy, optimize and adjust energy consumption structure, reduce depe...

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Application Information

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IPC IPC(8): G06Q10/04G06Q50/06
Inventor 时珊珊张宇柳劲松刘隽包海龙刘舒方陈
Owner SHANGHAI MUNICIPAL ELECTRIC POWER CO
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