Solar photovoltaic assembly monitoring and alarming system and working method thereof

A solar photovoltaic and alarm system technology, applied in photovoltaic system monitoring, photovoltaic power generation, photovoltaic modules and other directions, can solve problems such as high cost, and achieve the effect of reducing cost, saving time and improving work efficiency

Inactive Publication Date: 2016-01-13
天津天传新能源电气有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

These methods either need to lay additional communication cables; or need to increase the wirele

Method used

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  • Solar photovoltaic assembly monitoring and alarming system and working method thereof
  • Solar photovoltaic assembly monitoring and alarming system and working method thereof
  • Solar photovoltaic assembly monitoring and alarming system and working method thereof

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Embodiment Construction

[0028] The present invention will be further described in detail below in conjunction with the accompanying drawings and through specific embodiments. The following embodiments are only descriptive, not restrictive, and cannot limit the protection scope of the present invention.

[0029] A solar photovoltaic module monitoring and alarm system, including a plurality of photovoltaic modules, a module monitoring unit, a signal receiving circuit and a main site,

[0030] Each photovoltaic module is integrated with a module monitoring unit, which is a signal acquisition and emission circuit;

[0031] A plurality of photovoltaic modules are serially connected in series to form a plurality of photovoltaic strings, and the plurality of photovoltaic strings are connected to signal receiving circuits through DC power lines as multiple branches. The signal receiving circuit of this embodiment is integrated in a combiner box or a receiving device;

[0032] The signal receiving circuit is ...

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Abstract

The invention relates to a solar photovoltaic assembly monitoring and alarming system which comprises photovoltaic assemblies, assembly monitoring units, a signal reception circuit and a master site. Each photovoltaic assembly is internally provided with one assembly monitoring unit; each assembly monitoring unit is a signal acquisition and emission circuit; the plurality of photovoltaic assemblies are connected in series in sequence, and are connected with a signal reception circuit through DC power lines; and the signal reception circuit is connected with the master site through a communication cable. The system can automatically give an alarm when the temperature and voltage of the assemblies are abnormal, so that power station maintainers are allowed to position combiner box alarm branches accurately in time through the monitoring background, and then, troubleshoot abnormal assemblies of the branches, time is saved and working efficiency is improved.

Description

technical field [0001] The invention belongs to the field of photovoltaic power generation, in particular to a solar photovoltaic module monitoring and alarm system and a working method thereof. Background technique [0002] In a photovoltaic power station, a large number of photovoltaic modules need to be laid to convert solar energy into electrical energy. If the photovoltaic panel has heat, voltage, and current abnormalities, etc., without effective monitoring methods, it will be difficult to locate or find out in advance, resulting in unnecessary losses. Traditional methods include a monitoring chip plus a communication cable, a monitoring chip plus a wireless communication method, and the like. These methods either need to lay additional communication cables; or need to add wireless transmitting units and wireless receiving devices, all of which require higher costs. [0003] Published patent documents in similar technical fields after searching: [0004] A user term...

Claims

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Application Information

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IPC IPC(8): H02S50/00H02J13/00
CPCY02E10/50
Inventor 袁绍民郭培建王国建王琪张超
Owner 天津天传新能源电气有限公司
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