Photovoltaic power generation system and control method thereof

A technology of photovoltaic power generation system and control method, applied in photovoltaic power generation, photovoltaic power station, photovoltaic module and other directions, can solve the problem of photovoltaic power generation system being unable to generate maximum power and so on

Active Publication Date: 2015-07-15
SUNGROW POWER SUPPLY CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of this, the present invention provides a photovoltaic power generation system and its control method to solve the problem that the photovoltaic power generation system in the prior art cannot generate power at maximum power

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  • Photovoltaic power generation system and control method thereof
  • Photovoltaic power generation system and control method thereof
  • Photovoltaic power generation system and control method thereof

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Embodiment Construction

[0034] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0035] The invention provides a photovoltaic power generation system and a control method thereof to solve the problem that the photovoltaic power generation system cannot generate power at maximum power in the prior art.

[0036] Specifically, the photovoltaic power generation system such as figure 1 As shown, connected between the photovoltaic module and the AC grid, the photovoltaic power generation system includes:

[0037] a DCAC inverter 101 connected b...

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Abstract

The invention discloses an inverter and a photovoltaic power generation system; through the arrangement of an energy storage interface, the redundant direct current electric energy of electric energy output by a solar panel can be output through the energy storage interface when photovoltaic power generation is limited, and the stored direct current electric energy can be received trough the energy storage interface when the photovoltaic generated power is low, and thus the electric energy output by the solar panel is not wasted, the photovoltaic power generation system can be used for generating power at own maximal power without lowering the income of photovoltaic power generation.

Description

[0001] This application claims the priority of a Chinese patent application with an application date of May 8, 2014, an application number of 201410193722.3, and an invention title of "An Inverter and Photovoltaic Power Generation System", the entire contents of which are incorporated in this application by reference . technical field [0002] The invention relates to the technical field of photovoltaic power generation, in particular to a photovoltaic power generation system and a control method thereof. Background technique [0003] In the current photovoltaic power generation system, due to the limitation of the grid capacity or some policy constraints, the power generation is limited, that is, the photovoltaic power generation system cannot generate maximum power; in this case, most of the current photovoltaic power generation systems use the method of power limitation , so that photovoltaic light is discarded, and the photovoltaic power generation system cannot generate...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/38H02S40/32H02J7/35
CPCY02E10/563Y04S10/123Y04S40/124H02J7/35H02S10/20H02J13/00019H02J2300/26H02J3/381H02J13/00017H02J13/00016Y02E10/56Y02E40/70Y02E60/00Y04S10/50Y02E70/30H02M7/44
Inventor 江涛曹伟余勇
Owner SUNGROW POWER SUPPLY CO LTD
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