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Off-grid photovoltaic power generation control system and method based on energy storage

A technology of photovoltaic power generation and control system, which is applied in the field of electric power and can solve the problems of low reliability of power supply

Pending Publication Date: 2020-02-21
甘肃陇光新能源科技集团有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the invention is to solve the problem of low power supply reliability in the prior art

Method used

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  • Off-grid photovoltaic power generation control system and method based on energy storage

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Embodiment Construction

[0044] The implementation of the present invention will be illustrated by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. Although the description of the present invention will be presented in conjunction with a preferred embodiment, it does not mean that the features of the invention are limited to this embodiment. On the contrary, the purpose of introducing the invention in conjunction with the embodiments is to cover other options or modifications that may be extended based on the claims of the present invention. The following description contains numerous specific details in order to provide a thorough understanding of the present invention. The invention may also be practiced without these details. Also, some specific details will be omitted from the description in order to avoid obscuring or obscuring the gist of the present invent...

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Abstract

The embodiment of the invention discloses an off-grid photovoltaic power generation control system and method based on energy storage. A photovoltaic power generation component is not connected into apower grid, is in an offline state and can be used for self-generating electricity according to the requirement of users, base on the off-grid photovoltaic power generation control system based on energy storage, the energy storage device can store electric energy of the photovoltaic power generation component and can supply power to a load end through an inversion device, the load end is supplied by the energy storage device, and the output voltage of the load end is more stable; and moreover, the energy storage device is connected with the mains supply through a dual-power switch, and the dual-power switch can be switched before the energy storage device and the mains supply to use one of them to supply power to the load end, and when any one of the two is failed, the other one of the two can supply power to the load end, so that the supply power reliability is high. A terminal device is used to control a GPRS remote switch to control the load end so as to achieve the purpose of remote control, improve the easy operation of the control for the load end and improve the user experience.

Description

technical field [0001] The invention relates to the field of electric power technology, in particular to an off-grid photovoltaic power generation control system and method based on energy storage. Background technique [0002] Photovoltaic power generation is a technology that directly converts light energy into electrical energy by using the photovoltaic effect at the semiconductor interface. Compared with fuel oil, coal, etc., it has the advantages of energy saving and environmental protection, and is therefore widely used. In photovoltaic power generation components, PERC (Passivated Emitter and Rear Cell, PERC) battery technology is due to the amount of aluminum paste, The advantages of low bending rate, high power generation gain and high reliability are widely used in the field of photovoltaic power generation. PERC cells can use monocrystalline silicon or polycrystalline silicon as the substrate, which can achieve normal power generation under low light conditions. ...

Claims

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Application Information

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IPC IPC(8): H02S10/20H02J9/06H02J13/00
CPCH02J9/062H02S10/20Y02B10/70Y02B70/30Y02B90/20Y02E10/56Y02E70/30Y04S20/12Y04S20/248
Inventor 陈建国
Owner 甘肃陇光新能源科技集团有限公司
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