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Optimal modeling method for maximum power energy storage of photovoltaic power generation transmission

A technology of maximum power and modeling method, applied in design optimization/simulation, electrical digital data processing, resources, etc., can solve the problems of lack of experimental data verification, unsuitable photovoltaic array, and lack of expansion of parallel branches, etc., and achieve good results Effect

Inactive Publication Date: 2017-05-31
NANTONG UNIVERSITY
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Problems solved by technology

The literature introduces the general mathematical model of photovoltaic cells based on MATLAB. The literature introduces the modeling of photovoltaic arrays and analyzes the output characteristics, but these models are not suitable for photovoltaic arrays with partial shadows; the literature establishes a series photovoltaic array under partial shadow conditions. mathematical model, but did not expand the parallel branch; the literature introduces the modeling of photovoltaic arrays under partial shadow conditions in detail, but lacks experimental data verification

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  • Optimal modeling method for maximum power energy storage of photovoltaic power generation transmission
  • Optimal modeling method for maximum power energy storage of photovoltaic power generation transmission
  • Optimal modeling method for maximum power energy storage of photovoltaic power generation transmission

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Embodiment Construction

[0064] Photovoltaic power generation transmission maximum power energy storage system:

[0065] The photovoltaic array is greatly affected by the environment and climate, and its power generation change is a non-stationary random process, and at night or in rainy weather, due to insufficient light, it cannot provide enough power, so photovoltaic energy storage has become a must in the process of photovoltaic power generation. indispensable important part. The role of the energy storage system is mainly to realize several major functions such as load regulation, cooperating with new energy access, making up for line losses, power compensation, improving power quality, isolated grid operation, and peak shaving and valley filling. For example: shaving peaks and filling valleys and improving the operation curve of the power grid is to store the surplus electric energy during the trough period of electricity consumption and use it again when the electricity consumption peaks, thus ...

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Abstract

The invention discloses an optimal modeling method for the maximum power energy storage of photovoltaic power generation transmission. The method comprises the following steps of establishing a mathematical model of a photovoltaic single-string array, establishing a mathematical model of a photovoltaic array under a partial shade condition and the like. The method is convenient and practical and has a good effect.

Description

technical field [0001] The invention relates to an optimization modeling method for photovoltaic power generation transmission maximum power energy storage. Background technique [0002] Photovoltaic power generation systems often generate excess electricity when the light is sufficient, but cannot provide enough electricity when the light is insufficient. In order to avoid energy waste and ensure the stable operation of the system, photoelectric transmission energy storage technology has become a research hotspot. There are many factors that affect the maximum power storage, among which local shadow is an extremely important factor. The existence of partial shadows has two main negative effects on the photovoltaic array: one is to reduce the output power of the photovoltaic array and increase the heating of the components, which will lead to a hot spot effect and damage the photovoltaic components in severe cases; the other is to make the internal resistance of the photovo...

Claims

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Application Information

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IPC IPC(8): G06Q10/06G06Q50/06G06F17/50
CPCG06Q10/0637G06Q50/06G06F30/20Y02E40/70Y04S10/50
Inventor 杨奕杨元培顾海勤李俊红王建山张桂红李肖吴松周
Owner NANTONG UNIVERSITY
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