Intelligent photovoltaic junction box monitoring system
A photovoltaic junction box and monitoring system technology, which is applied in the monitoring of photovoltaic systems, distribution line transmission systems, photovoltaic modules, etc., can solve problems such as the danger of photovoltaic power generation systems, achieve the effects of improving reliability and stability, and avoiding fires
Pending Publication Date: 2021-03-02
HUADIAN ZHILIAN XINDA TECH BEIJING CO LTD
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Problems solved by technology
In this way, when the photovoltaic power generation system encounters a disaster, even if the bus circuit switch is disconnected, that is, the bypass diode at the output end of the photovoltaic panel is disconnected, the high voltage of the photovoltaic power generation system to the ground still exists, making the entire photovoltaic power generation system very dangerous
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[0043] The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
[0044] In the following, some terms used in the embodiments of the present application are explained, so as to facilitate the understanding of those skilled in the art.
[0045] (1) Photovoltaic panels, also known as photovoltaic modules or solar cell modules, are combined by solar cells or solar cells of different specifications cut by a laser cutting machine or a steel wire cutting machine. Since the current and voltage of a single solar cell are very small, they are first connected in series to obtain a high voltage, and then connected in parallel to obtain a high current, and then output through a diode.
[0046] (2) The term "and / or" in this article is just an association relationship describing associated objects, which means that there may be three relationships, for example, A and / or B, whic...
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The invention provides an intelligent photovoltaic junction box monitoring system, which is used for improving the reliability and stability of a photovoltaic system. The intelligent photovoltaic junction box monitoring system comprises: at least one junction box, wherein each junction box in the at least one junction box is connected with a photovoltaic panel, and each junction box is used for collecting working state parameters of a connected photovoltaic panel; a gateway which is used for receiving the working state parameters, sent by each junction box, of the photovoltaic panel connectedwith each junction box to obtain a working state parameter set; and a control end which is used for receiving the working state parameter set sent by the gateway and determining whether to disconnectthe relays of part or all of the at least one junction box according to the working state parameter set so as to cut off the connection between the photovoltaic panels.
Description
technical field [0001] The present application relates to the technical field of photovoltaic power generation, in particular to an intelligent photovoltaic junction box monitoring system. Background technique [0002] With the continuous consumption of resources, the energy structure based on conventional energy (such as coal, oil, natural gas, etc.) will become less and less suitable for sustainable development. In order to apply sustainable development, photovoltaic power generation products are becoming more and more popular all over the world, and it has become a consensus to accelerate the development and utilization of renewable energy with solar energy as the mainstay. Photovoltaic power generation systems can directly convert solar energy into high-quality electrical energy. The intelligent research and development of photovoltaic power generation systems has become one of the core concerns of global technological innovation. [0003] The most important device for...
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IPC IPC(8): H04L29/08H04W4/38H04W4/80G08B21/18H02S40/34H02S50/10H04B3/54H04L12/66
CPCH04L67/025H04L67/12H04W4/38H04W4/80H04B3/54H04L12/66G08B21/185H02S50/10H02S40/34Y02E10/50
Inventor 刘松刘鹏杨顺
Owner HUADIAN ZHILIAN XINDA TECH BEIJING CO LTD