Photovoltaic power generation control method and apparatus and photovoltaic power generation system
A photovoltaic power generation system and photovoltaic power generation technology, applied in the field of photovoltaic power generation system and photovoltaic power generation control, can solve the problems of not considering the actual operation data, slow load response speed of photovoltaic power generation system, etc.
Active Publication Date: 2015-09-23
STATE GRID CORP OF CHINA +2
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Problems solved by technology
[0006] The main purpose of the present invention is to provide a photovoltaic power generation control method, device and photovoltaic power generation system to solve the problem of slow load response speed of the photovoltaic power generation system due to the fact that the actual operating data under load fluctuations are not considered in the operation control of photovoltaic power generation
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[0023] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.
[0024] It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate ...
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The invention provides a photovoltaic power generation control method and apparatus and a photovoltaic power generation system. The photovoltaic power generation control method comprises the steps of: obtaining current running data of loads in the photovoltaic power generation system; determining target power according to the current running data, wherein the target power is the sum of power of each of different types of loads; determining the minimum capacity of energy storage batteries in the photovoltaic power generation system according to the target power; configuring the energy storage batteries to be the energy storage batteries with the minimum capacity; and controlling the energy storage batteries to execute electric energy receiving or outputting. Through the photovoltaic power generation control method and apparatus and the photovoltaic power generation system, the problem of low load response speed of the photovoltaic power generation system caused by no consideration of actual running data under load fluctuation in running control of photovoltaic power generation is solved.
Description
technical field [0001] The present invention relates to the technical field of photovoltaic power generation, in particular to a photovoltaic power generation control method, device and photovoltaic power generation system. Background technique [0002] As a kind of clean energy, photovoltaic power generation system has been paid more and more attention. The grid-connected photovoltaic power generation system is a photovoltaic power generation system that has electrical energy connection with the local power grid. At present, grid-connected photovoltaic power generation systems are installed on a large scale on urban rooftops. Since the power generation of grid-connected photovoltaic power generation systems is susceptible to natural fluctuations due to environmental factors such as weather conditions, temperature, and illuminance, the output power of photovoltaic power generation systems is often random and intermittent. [0003] As the installed capacity of grid-connecte...
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IPC IPC(8): H02J3/32
CPCY02E10/56Y02E70/30
Inventor 李伟王方敏张帆张宏宇张磊贾欧莎苏宁黄奕宋宝同宝海龙任宝利张杰超赵悦
Owner STATE GRID CORP OF CHINA