CN206099897U - Photovoltaic power plant with trouble recognition function - Google Patents

Photovoltaic power plant with trouble recognition function Download PDF

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Publication number
CN206099897U
CN206099897U CN201621095467.XU CN201621095467U CN206099897U CN 206099897 U CN206099897 U CN 206099897U CN 201621095467 U CN201621095467 U CN 201621095467U CN 206099897 U CN206099897 U CN 206099897U
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China
Prior art keywords
module
photovoltaic
photovoltaic power
photovoltaic plant
monitoring
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CN201621095467.XU
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Chinese (zh)
Inventor
董炜
沈金荣
赵剑
惠杰
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Hohai University Changzhou Campus
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Hohai University Changzhou Campus
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Priority to CN201621095467.XU priority Critical patent/CN206099897U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Abstract

The utility model relates to a photovoltaic power plant, it includes: by the photovoltaic array that a plurality of photovoltaic power generation unit constitute, group's cluster dc -to -ac converter, collection flow box, alternating current power distribution cabinet, transformer, public power grid and monitored control system, wherein photovoltaic array is connected with group cluster dc -to -ac converter to it connects public power grid to loop through collection flow box, alternating current power distribution cabinet and transformer, and monitored control system is suitable for each circuital current and the voltage that detect to converge among the flow box by group's cluster dc -to -ac converter inward -remittance to discern corresponding photovoltaic power generation unit trouble, the utility model discloses a photovoltaic power plant possesses automatic fault finding function, can in time recognise which photovoltaic power generation unit and break down to send through man -machine interface and report to the police and inform the fault point.

Description

A kind of photovoltaic plant with Fault Identification function
Technical field
The utility model is related to a kind of corresponding photovoltaic generation unit Fault Identification alignment system and its method of work.
Background technology
Solar energy as a kind of clean energy resource, by the strong attention of countries in the world, with the development of photovoltaic industry, photovoltaic The fault diagnosis of electricity generation system also becomes particularly important, and to this expert both domestic and external relatively broad research has been also carried out, and draws The method of the fault diagnosis of some photovoltaic generation systems, but these methods respectively have its pluses and minuses, and the research object master of majority It is the aged deterioration (including aging circuit and component aging) of the fragmentation of photovoltaic battery panel, photovoltaic array, and photovoltaic battle array The identification of the system failure and positioning on the physical layers such as row hot spot phenomenon, but environmental factor is known to the failure of photovoltaic generating system It is other also to have certain impact, but the research of the current Fault Identification seldom having for environmental factor interference and positioning, due to environment Factor causes power station false alarm, consumes a large amount of human and material resources, financial resources, has a strong impact on the monitoring operation in power station.
Utility model content
The purpose of this utility model is to provide a kind of photovoltaic plant with Fault Identification function, to realize to photovoltaic generation Unit carries out monitor in real time, and recognizes position of failure point.
In order to solve above-mentioned technical problem, the utility model provides a kind of photovoltaic plant with Fault Identification function, Including:
The photovoltaic array being made up of some photovoltaic generation units, group string inverter, header box, AC power distribution cabinet/AC distribution panel, transformer, Public electric wire net and monitoring system;Wherein
The photovoltaic array is connected with group string inverter, and passes sequentially through the connection of header box, AC power distribution cabinet/AC distribution panel and transformer Public electric wire net;And
The monitoring system is adapted to detect in header box each road electric current and the voltage imported by group string inverter, to recognize phase Answer photovoltaic generation unit failure.
Further, the monitoring system includes:Some data acquisition units, communication module and fault analysis and handling module.
Further, the data acquisition unit includes:For detecting electric current, the current sense module of voltage, voltage all the way Sensing module, and current sense module, voltage sensor module send gathered data to data collection processor module;Each data Acquisition Processor module is by corresponding communication module by data summarization to fault analysis and handling module.
Further, the fault analysis and handling device module is also connected with human-computer interaction interface, and shows failure and point out report Alarming information.
Further, the communication module is ethernet communication module.
The beneficial effects of the utility model are that photovoltaic plant of the present utility model possesses automatic fault investigation function, can Identify which photovoltaic generation unit breaks down in time, and sent by man-machine interface and report to the police and inform trouble point.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the theory diagram of photovoltaic plant of the present utility model;
Fig. 2 is the theory diagram of data acquisition unit of the present utility model.
Specific embodiment
The utility model is described in further detail presently in connection with accompanying drawing.These accompanying drawings are simplified schematic diagram, Basic structure of the present utility model is only illustrated in a schematic way, therefore it only shows the composition relevant with the utility model.
As depicted in figs. 1 and 2, the utility model provides a kind of photovoltaic plant with Fault Identification function, and it includes: The photovoltaic array being made up of some photovoltaic generation units, group string inverter, header box, AC power distribution cabinet/AC distribution panel, transformer, public electric wire net And monitoring system;Wherein described photovoltaic array is connected with group string inverter, and passes sequentially through header box, AC power distribution cabinet/AC distribution panel and transformation Device connects public electric wire net;And the monitoring system is adapted to detect in header box by group each road electric current of string inverter remittance and an electricity Pressure, to recognize corresponding photovoltaic generation unit failure.
This photovoltaic plant can be accurately identified each road correspondence by detecting to header box Nei Ge road electric currents and voltage Which breaks down in photovoltaic generation unit, is easy to targetedly investigate failure.
Used as a kind of optional embodiment of monitoring system, the monitoring system includes:Some data acquisition units, communication Module and fault analysis and handling module.
Specifically, the data acquisition unit includes:For detecting electric current, the current sense module of voltage, voltage all the way Sensing module, and current sense module, voltage sensor module send gathered data to data collection processor module;Each data Acquisition Processor module is by corresponding communication module by data summarization to fault analysis and handling module.
The fault analysis and handling device module is also connected with human-computer interaction interface, and shows failure and point out warning message.
The communication module is ethernet communication module, such as but not limited to ENC28J60 modules.
Wherein, current sense module is such as, but not limited to current sensor Hall HBC-LSP, data collection processor module MSP430 processors, the fault analysis and handling module is such as but not limited to adopted such as but not limited to adopt atmel ARM9 The control module of AT91SAM9260 cores, is provided with Ethernet interface, touch screen interface (HDMI or VGA), USB interface, serial ports Deng.
In the present embodiment, the model to being related to components and parts is defined, therefore those skilled in the art have the ability completely Components and parts model according to enumerating realizes the technical program.
With it is above-mentioned according to desirable embodiment of the present utility model as enlightenment, by above-mentioned description, related work people Member can carry out various change and modification in the range of without departing from this utility model technological thought completely.This reality The content being not limited to new technical scope on specification, it is necessary to its technology is determined according to right Property scope.

Claims (5)

1. a kind of photovoltaic plant with Fault Identification function, it is characterised in that include:
The photovoltaic array being made up of some photovoltaic generation units, group string inverter, header box, AC power distribution cabinet/AC distribution panel, transformer is public Electrical network and monitoring system;Wherein
The photovoltaic array is connected with group string inverter, and it is public to pass sequentially through the connection of header box, AC power distribution cabinet/AC distribution panel and transformer Electrical network;And
The monitoring system is adapted to detect in header box each road electric current and the voltage imported by group string inverter, to recognize corresponding light Volt generator unit failure.
2. photovoltaic plant according to claim 1, it is characterised in that the monitoring system includes:Some data acquisition lists Unit, communication module and fault analysis and handling module.
3. photovoltaic plant according to claim 2, it is characterised in that
The data acquisition unit includes:For detecting electric current, the current sense module of voltage, voltage sensor module all the way, and Current sense module, voltage sensor module send gathered data to data collection processor module;
Each data collection processor module is by corresponding communication module by data summarization to fault analysis and handling module.
4. photovoltaic plant according to claim 3, it is characterised in that the fault analysis and handling device module also with man-machine friendship Mutually interface is connected, and shows failure and point out warning message.
5. photovoltaic plant according to claim 4, it is characterised in that the communication module is ethernet communication module.
CN201621095467.XU 2016-09-29 2016-09-29 Photovoltaic power plant with trouble recognition function Active CN206099897U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621095467.XU CN206099897U (en) 2016-09-29 2016-09-29 Photovoltaic power plant with trouble recognition function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621095467.XU CN206099897U (en) 2016-09-29 2016-09-29 Photovoltaic power plant with trouble recognition function

Publications (1)

Publication Number Publication Date
CN206099897U true CN206099897U (en) 2017-04-12

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111030592A (en) * 2019-12-31 2020-04-17 华为技术有限公司 Photovoltaic group string loss warning method and device
CN111740439A (en) * 2020-08-04 2020-10-02 江苏慧智能源工程技术创新研究院有限公司 Control method based on light storage and charging integrated micro-grid system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111030592A (en) * 2019-12-31 2020-04-17 华为技术有限公司 Photovoltaic group string loss warning method and device
CN111030592B (en) * 2019-12-31 2022-02-25 华为数字能源技术有限公司 Photovoltaic group string loss warning method and device
CN111740439A (en) * 2020-08-04 2020-10-02 江苏慧智能源工程技术创新研究院有限公司 Control method based on light storage and charging integrated micro-grid system

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