Distributed photovoltaic power generation system and intelligent cluster control method

Abstract

The invention discloses a distributed photovoltaic power generation system, and the system comprises a plurality of control units and a centralized controller, wherein the plurality of control units are in communication connection with the centralized controller. The centralized controller comprises a classification module and a neural network module, wherein the classification module is connected with the neural network module. Each control unit comprises a photovoltaic plate, a microcontroller, an illuminance sensor, and a temperature sensor, wherein the photovoltaic plate, the illuminance sensor and the temperature sensor are respectively in electrical connection with the corresponding microcontroller. The beneficial effects of the invention are that the system can provide a corresponding control strategy for the photovoltaic plates at different environmental mode states, improves the searching efficiency and precision of the maximum power point, is small in impact, simplifies the structural design of the microcontroller, enables the performance of the system to be integrally improved, and improves the operation effect of the whole system.

Description

technical field [0001] The invention relates to a solar photovoltaic power generation technology, in particular to a distributed photovoltaic power generation system and an intelligent cluster control method. Background technique [0002] The video surveillance system, electronic capture system, and speed measuring radar along the highway in remote areas need to solve the problem of power supply. If low-voltage transmission lines are used for transmission, the line terminal voltage will be seriously lower than the standard value due to the long line and excessive line loss. It cannot be used; when solving the power supply problem of the aforementioned devices, distributed photovoltaic power generation has an irreplaceable advantage. It can avoid the problem of long-distance, low-voltage, and small-load power transmission. Using distributed photovoltaic power generation can not only effectively save high-speed roads in remote areas. The input cost of setting up the power grid...

AI Technical Summary

Problems solved by technology

[0004] If conventional control methods (such as disturbance method and conductance method) are used to control each photovoltaic panel independently, the maximum output power of the photovoltaic panel will be in the dynamic search process for a long time, not only the dynamic search time is long, but also the power fluctuation is large, so It causes problems such as large impact on components and poor output power stability, which will have a certain negative impact on the working efficiency and service life of photovoltaic panels;

[0005] On the other hand, due to the large geographical span between the multiple control units under the jurisdiction of the distributed photovoltaic power generation system, there are problems of multi-modality of light intensity and temperature; the so-ca

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