Microgrid optimization control mode

A technology for optimizing control and mode, applied in climate change adaptation, AC network circuit, AC network voltage adjustment, etc. It can solve the problems of complex control and management, and achieve the effect of saving fuel consumption and improving energy efficiency.

Inactive Publication Date: 2017-05-24
协鑫综合能源服务有限公司
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AI Technical Summary

Problems solved by technology

[0002] The current main research focuses on the control of micro-grid, and the research on power supply, power quality and power management has matured, but with the research and application of combined cooling, heating and power supply systems, micro-grid has developed into a more generalized micro-energy Grid or energy microgrid, in addition to the control and management of electric energy, cold and heat also need to be controlled and managed, and there is a coupling relationship between heat (cold) and electric energy, which makes the control and management of the system more complicated. The control of energy grid has very important practical significance

Method used

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Embodiment Construction

[0021] Microgrid optimization control mode. The resource structure of the micro-energy grid is mainly composed of distributed power generation, loads and energy storage devices. According to load forecasting and system real-time monitoring information, the optimal operation mode of the microgrid is shown in the attached figure 1 shown.

[0022] The power sources of the micro energy network mainly include grid, renewable energy (including distributed photovoltaic, wind power, ground source heat pump, solar thermal, etc.), clean energy (mainly natural gas distributed power generation, hydropower, etc.), and energy storage.

[0023] Loads can be divided into sensitive loads, adjustable loads and interruptible loads according to their importance. Sensitive loads are important loads that will cause heavy losses if power failure occurs. Power failure of this level of load will cause equipment damage and affect office conditions. , the problem of data interruption; an adjustable load...

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Abstract

The invention relates to a microgrid optimization control mode. Optimization control is based on forecast of load and power output, and the microgrid optimization control mode comprises load forecast, distributed power output forecast and wind power generation output forecast. The load forecast is based on day-ahead hourly load records, basic load, climate sensibility load and presumable random load are differentiated, linear-regression analysis is carried out on various loads in historical records to obtain a trend of historical load change, amendment is conducted on load influence according to the climatic change of the day based on the historical data, and the load change in working days and holidays as well as the load change that is likely caused by important activities are considered.

Description

technical field [0001] The invention belongs to the field of power generation control, and relates to an economic operation strategy of multi-energy complementary micro-energy, specifically a micro-grid optimization control mode. Background technique [0002] The current main research focuses on the control of micro-grid, and the research on power supply, power quality and power management has matured, but with the research and application of combined cooling, heating and power supply systems, micro-grid has developed into a more generalized micro-energy Grid or energy microgrid, in addition to the control and management of electric energy, cold and heat also need to be controlled and managed, and there is a coupling relationship between heat (cold) and electric energy, which makes the control and management of the system more complicated. The control of energy grid has very important practical significance. Contents of the invention [0003] The micro-grid optimization c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/38H02J3/32H02J3/14
CPCH02J3/14H02J3/32H02J3/382Y02A30/00Y02B70/3225Y02E10/76Y02E70/30Y04S20/222
Inventor 牛曙斌毛知新张辉周玉
Owner 协鑫综合能源服务有限公司
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