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Photovoltaic power generation system

A technology of photovoltaic power generation system and photovoltaic modules, which is applied in photovoltaic power generation, electrical components, circuit devices, etc., and can solve problems such as load failure

Inactive Publication Date: 2017-09-08
山东彼岸时代科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The embodiment of the present invention provides a photovoltaic power generation system to at least solve the technical problems in the prior art that the load cannot work when the off-grid power generation system has no light or the light is weak, and the load cannot work when the grid-connected power generation system is out of power.

Method used

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Embodiment 1

[0025] According to an embodiment of the present invention, a product embodiment of a photovoltaic power generation system is provided, figure 1 is a photovoltaic power generation system according to an embodiment of the present invention, such as figure 1 As shown, the system includes a photovoltaic module array 10, an off-grid inverter 20, a storage battery 30 and a power grid 40; wherein, the photovoltaic module array 10 is used to convert solar energy into direct current; the off-grid inverter 20 is connected to the photovoltaic The component array 10 is connected to convert direct current into alternating current and output electric energy to the storage battery 30 and the grid 40 ; the storage battery 30 is connected to the off-grid inverter 20 ; the grid 40 is connected to the off-grid inverter 20 .

[0026] Specifically, the photovoltaic module array 10 is generally formed by a plurality of photovoltaic modules in a certain array. Among them, the photovoltaic module ca...

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Abstract

The invention discloses a photovoltaic power generation system. The photovoltaic power generation system comprises a photovoltaic assembly array, an off-grid and grid-connected inverter, a storage battery and a power grid, wherein the photovoltaic assembly array is used for converting solar energy into a direct current; the off-grid and grid-connected inverter is connected with the photovoltaic assembly array and used for converting the direct current into an alternating current and outputting electric energy to the storage battery and the power grid; the storage battery is connected with the off-grid and grid-connected inverter; and the power grid is connected with the off-grid and grid-connected inverter. By virtue of the photovoltaic power generation system, the technical problems that a load cannot work when an off-grid power generation system has no illumination or is relatively weak in illumination, and the load cannot work when a grid-connected power generation system suffers from system power failure in the prior art can be solved.

Description

technical field [0001] The invention relates to the field of natural energy power generation, in particular to a photovoltaic power generation system. Background technique [0002] Solar photovoltaic power generation is a green energy that the country mainly advocates to develop and utilize. Extensive use of green energy is of great significance to reducing the emission of carbon dioxide and other toxic gases, preventing and controlling air pollution, and protecting the ecological environment. It is also a historical responsibility entrusted to human beings and society by nature. my country has vast land resources, scattered population and lack of conventional energy supply. In order to meet the demand for energy for economic development, it must be supplemented by the development and utilization of new energy and renewable energy. [0003] As far as the current photovoltaic market at home and abroad is concerned, there are generally grid-connected photovoltaic systems and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/38H02J9/06H02J9/02H02J3/32
CPCH02J3/32H02J3/383H02J9/02H02J9/06Y02B10/70Y02E10/56Y02E60/36Y02E70/30
Inventor 孙绍臻苏现如潘若宏袁金振李帅张东辉戚运东马海庆
Owner 山东彼岸时代科技有限公司
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