Panel power station and energy storage system based on distributed photovoltaic power generation

A technology of distributed photovoltaics and photovoltaic panels, applied in photovoltaic power generation, photovoltaic power stations, photovoltaic modules, etc., to achieve the effects of reducing wear, facilitating capacity expansion, and solving potential safety hazards

Inactive Publication Date: 2015-03-25
XIAMEN LANXI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Another object of the present invention is to provide an energy storage system based on distributed photovoltaic power generation to solve the problems existing in the centralized energy storage photovoltaic power generation system

Method used

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  • Panel power station and energy storage system based on distributed photovoltaic power generation
  • Panel power station and energy storage system based on distributed photovoltaic power generation
  • Panel power station and energy storage system based on distributed photovoltaic power generation

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Embodiment Construction

[0031] Such as figure 1 , figure 2 with Figure 7 As shown, a flat panel power station 10 based on distributed photovoltaic power generation disclosed by the present invention includes a photovoltaic cell panel 2, and a storage battery pack 3 and a controller 6 are directly installed on the frame of the photovoltaic cell panel 2 to form a flat panel station with an integrated structure. 10.

[0032] Among them, the controller 6 is used to realize the maximum power tracking of the photovoltaic cell panel 2 and store the electric energy of the photovoltaic cell panel 2 in the storage battery pack 3 for backup to the greatest extent. charging management, to prevent the battery pack 3 from being damaged by overcharging; when the load needs electricity, the controller 6 also implements the inverting of the DC power in the battery pack 3 into AC power for the load. Group 3 performs discharge management to prevent battery group 3 from being damaged by over-discharge. In the abov...

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Abstract

The invention discloses a panel power station based on distributed photovoltaic power generation. The panel power station comprises a photovoltaic cell panel, wherein a storage battery and a controller are directly installed on a framework of the photovoltaic cell panel. By means of the panel power station, a photovoltaic system and a power grid can be relatively independent, the size is small, installation operation and maintenance are convenient, and the range of the working temperature of equipment is wide. The invention further discloses an energy storage system based on distributed photovoltaic power generation. The energy storage system comprises an energy management system, an intelligent power meter and a plurality of panel power stations. The parallel ends of the panel power stations are connected with a power utilization load. The energy management system is connected with a web browser terminal through the Ethernet and connected with the intelligent power meter through an RS485 communication interface and is in communication with the parallel ends of the panel power stations through power carriers. The intelligent power meter is connected with the power grid and the parallel ends of the panel power stations. According to the energy storage system, self-generation and self-utilization serve as the guiding principle, the mode of distributed energy storage and power generation is adopted, and the capacity can be expanded as long as the number of the panel power stations is increased.

Description

technical field [0001] The invention relates to the technical field of photovoltaic power generation, in particular to a flat-panel power station and an energy storage system based on distributed photovoltaic power generation. Background technique [0002] Nowadays, the application of photovoltaic power generation is more and more extensive, but solar energy has inherent shortcomings such as discontinuity and instability. On cloudy days or at night, photovoltaic inverter users cannot use solar energy. When the power grid is abnormal, the photovoltaic inverter is under island protection. mode, the load cannot continue to be powered. [0003] In order to solve the above problems, centralized photovoltaic energy storage systems have emerged, which use lead-acid batteries, lithium batteries, etc. as energy storage media, and can achieve large-capacity storage. However, due to the use of centralized energy storage and power generation, it is impossible to expand capacity and arb...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02S10/20
CPCH02S10/00H02S40/00Y02E10/50Y02E70/30
Inventor 肖艳义林永旺赖春权王敏
Owner XIAMEN LANXI TECH
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