Photovoltaic battery online monitoring and intelligent management system

An intelligent management system and photovoltaic cell technology, applied in the monitoring of photovoltaic systems, photovoltaic power generation, photovoltaic modules, etc., can solve the hidden dangers of safety and reliability of photovoltaic modules, loss of efficiency of battery strings, loss of electric energy and power generation, etc. , achieve real-time data update speed, enhance reliability and security, and reduce network congestion

Active Publication Date: 2018-05-08
FONRICH NEW ENERGY TECH LTD
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Problems solved by technology

Furthermore, it is a well-known problem that many factors will lead to a decrease in the power generation efficiency of photovoltaic modules, such as manufacturing differences between photovoltaic modules, installation differences, or shadow shading or maximum power tracking adaptation, etc.
Taking shadow shading as an example, if some photovoltaic modules are blocked by clouds, buildings, tree shadows or dirt, some of the modules will change from power sources to loads and no longer generate electricity. When some batteries cannot generate electricity due to poor performance or shadow occlusion, the efficiency loss of the entire string of battery strings is very serious, and when the in

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  • Photovoltaic battery online monitoring and intelligent management system

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Embodiment Construction

[0023] The technical solutions of the present invention will be clearly and completely described below with reference to the various embodiments, but the described embodiments are only the embodiments used for the description of the present invention rather than all the embodiments. Based on these embodiments, this The solutions obtained by those skilled in the art without creative work all belong to the protection scope of the present invention.

[0024] see figure 1 , The simplified photovoltaic module array PV-ARR is the basis of the photovoltaic power generation system. There are basically multiple battery strings installed in the photovoltaic module array, and each battery string is composed of photovoltaic cells 100 of multiple single modules. Each photovoltaic panel monitor 101 corresponds to one photovoltaic cell 100 in parallel. For the purpose of data acquisition and monitoring, the photovoltaic panel monitor 101 usually has acquisition modules such as temperature, v...

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Abstract

The invention mainly relates to a photovoltaic battery online monitoring and intelligent management system capable of performing real time online monitoring on necessary parameters including voltage,current, temperature and the like of each battery panel in a photovoltaic assembly array as well as necessary parameters including voltage, current and the like of a battery pack string formed by serial connection of a plurality of photovoltaic battery strings. A data collector transmits a part of data to a cloud server as light weight data and stores a part of data in the local as permanent data.The light weight data can be read in the cloud end and the permanent data can be read in the local of the data collector. Therefore, a basis is provided for knowing real operation state of the battery and solving problems in fault positioning of the battery.

Description

technical field [0001] The invention mainly relates to the field of photovoltaic power generation, to be precise, it provides an online monitoring and intelligent management system for photovoltaic cells, which can conduct real-time online real-time online monitoring of necessary parameters such as voltage, current and temperature of each battery panel in the photovoltaic module array. Monitoring, the necessary parameters such as the voltage and current of the battery string composed of multiple photovoltaic cells connected in series can also be monitored online in real time, providing a basis for monitoring the real operating status of the battery and solving the fault location of the battery. Background technique [0002] With the increasingly severe environmental and traditional energy problems, more and more countries and regions have paid attention to photovoltaic power generation technology and regarded it as a priority development object, and photovoltaic power generat...

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Application Information

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IPC IPC(8): H02S50/10G01R31/36
CPCG01R31/382G01R31/3842G01R31/396H02S50/10Y02E10/50
Inventor 张永王金飞
Owner FONRICH NEW ENERGY TECH LTD
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