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Distributed photovoltaic power grid-connected control method, device, equipment and storage medium

A distributed photovoltaic and photovoltaic power technology, applied in circuit devices, photovoltaic power generation, energy storage, etc., can solve the problem of unbalanced photovoltaic power supply, achieve the effect of alleviating the problem of power shortage, improving the matching degree, and reducing energy waste

Active Publication Date: 2020-07-17
ELECTRIC POWER RES INST OF STATE GRID ZHEJIANG ELECTRIC POWER COMAPNY +3
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Problems solved by technology

[0005] In view of the shortcomings of the existing methods, this application proposes a distributed photovoltaic power grid-connected control method, device, equipment and storage medium to solve the technical problem of unbalanced power supply of photovoltaic power sources on the user side existing in the prior art

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  • Distributed photovoltaic power grid-connected control method, device, equipment and storage medium
  • Distributed photovoltaic power grid-connected control method, device, equipment and storage medium
  • Distributed photovoltaic power grid-connected control method, device, equipment and storage medium

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[0029] The present application is described in detail below, and examples of embodiments of the present application are shown in the drawings, wherein the same or similar reference numerals represent the same or similar components or components having the same or similar functions throughout. Also, detailed descriptions of known technologies will be omitted if they are not necessary to illustrate the features of the present application. The embodiments described below by referring to the figures are exemplary only for explaining the present application, and are not construed as limiting the present application.

[0030] Those skilled in the art can understand that, unless otherwise defined, all terms (including technical terms and scientific terms) used herein have the same meanings as commonly understood by those of ordinary skill in the art to which this application belongs. It should also be understood that terms, such as those defined in commonly used dictionaries, should ...

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Abstract

Embodiments of the present application provide a distributed photovoltaic power grid-connected control method, apparatus, apparatus, and storage medium. The distributed photovoltaic power grid-connected control method comprises the following steps of: acquiring the grid-connected electric energy demand of the user side and the energy storage information of each photovoltaic power source of the user side in a first specified period of time. The total number of grid-connected opportunities and the power supply potential value of each photovoltaic power supply to grid-connected opportunities aredetermined according to the grid-connected power demand and energy storage information of the user side. Distributing grid-connected opportunities to each photovoltaic power source according to the power supply potential value of each photovoltaic power source to the grid-connected opportunities; Controlling the photovoltaic power supply to obtain grid-connected opportunities for grid-connected power supply. Embodiments of the present application enable each user-side photovoltaic power source to participate in grid-connected power supply, thereby giving full play to the energy-saving role ofthe distributed photovoltaic power source and effectively reducing energy waste.

Description

technical field [0001] The present application relates to the technical field of grid-connected photovoltaic power sources. Specifically, the present application relates to a distributed photovoltaic power source grid-connected control method, device, device, and storage medium. Background technique [0002] In recent years, a large number of distributed photovoltaic power generation equipment and energy storage equipment in the smart grid have entered factories, commercial users and households, so that some power users use photovoltaic power generation Generally, the electric energy provided by user photovoltaic power generation equipment cannot be fully absorbed by the grid at any time, and the grid can only selectively absorb a part of user-side photovoltaic power sources with strong power supply capacity to participate in grid connection. [0003] However, the current grid-connected control of distributed power only considers the stability of the power system operation o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/38H02J3/32
CPCH02J3/32H02J3/383Y02E10/56Y02E70/30
Inventor 卢毓东刘周斌谢祥颖李洋孙立许鹏骆欣那峙雄刘润彪周正李松
Owner ELECTRIC POWER RES INST OF STATE GRID ZHEJIANG ELECTRIC POWER COMAPNY
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