Optimal scheduling system for renewable energy microgrid

A renewable energy and optimal dispatching technology, applied in the field of power system, can solve the problems of high energy loss ratio, no optimal dispatching system, inability to achieve efficient energy dispatching, etc., to achieve the effect of operating economy

Inactive Publication Date: 2016-11-23
南京中节涛创能源科技有限公司
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  • Application Information

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Problems solved by technology

When there are distributed photovoltaic power generation, wind power generation, fuel cells, micro gas turbines, national grid and other forms of power supply in a certain area, and equipped with energy storage units, the optimal scheduling of micro-grid energy will become more complicated.
It has the

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  • Optimal scheduling system for renewable energy microgrid
  • Optimal scheduling system for renewable energy microgrid
  • Optimal scheduling system for renewable energy microgrid

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Embodiment

[0033] Such as figure 2 As shown, the distributed microgrid operates off-grid, that is, the microgrid operates on an isolated grid. The main components include: power generation unit, energy consumption unit, and energy storage unit, as shown in the figure above. In view of the characteristics of the microgrid operating in an isolated grid, realizing the energy balance of the microgrid and ensuring the maximum utilization of renewable energy is the most economical and efficient operation mode of the isolated grid microgrid.

[0034] There are three situations in the energy balance of the isolated grid, and corresponding control strategies need to be formulated respectively:

[0035] Situation ①: Renewable energy can fully meet the demand of energy consumption load. In this case, the system needs to ensure the highest utilization rate of renewable energy;

[0036]Scenario ②: Renewable energy + corresponding energy storage capacity can meet the demand of energy consumption loa...

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Abstract

The invention discloses an optimal scheduling system for a renewable energy microgrid. The system comprises a data acquisition module, a data storage module, a data modeling analysis module and a regulation interaction module, wherein the data acquisition module is used for storing acquired historical data in a relational database of the data storage module and sending the historical data to the data modeling analysis module; a data processing center in the data modeling analysis module is used for performing data modeling analysis on the historical data to generate a data record sheet, and outputting an energy consumption prediction result to the regulation interaction module; the regulation interaction module is used for formulating an optimal energy scheduling scheme by virtue of a control center of a renewable energy optimal scheduling system. The system is applicable to a microgrid runs in a grid connected or off-grid manner, the optimal scheduling requirement of a complex microgrid system with multiple kinds of energy coexisting is met, an optimal scheduling strategy is made, and the microgrid can run more economically and efficiently.

Description

technical field [0001] The invention relates to the field of power systems, in particular to an optimal scheduling system for a renewable energy micro-grid. Background technique [0002] With the continuous increase of the scale of my country's power system, the continuous increase of the interconnection of the national power grid system, and the influence of factors such as diversification of power consumption, my country's power system is facing increasing pressure on safety and reliability. In addition, with the maturity and application of renewable energy technologies such as distributed photovoltaics and wind power generation, the micro-grid composed of various power sources is regarded as an effective measure to alleviate the current pressure on the power grid. The function of peak filling and valley filling greatly improves the safety and stability of the power grid. [0003] According to the "2013-2017 China Microgrid Technology Progress and Prospect Forecast Analys...

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Application Information

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IPC IPC(8): H02J3/38G06Q10/06G06Q50/06
CPCG06Q10/06312G06Q50/06H02J3/382H02J3/388H02J2203/20Y02E40/70Y04S10/50
Inventor 宋哲
Owner 南京中节涛创能源科技有限公司
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