CN106656036A - Comprehensive electrical performance field movable detection method for large-scale ground photovoltaic power station - Google Patents

Comprehensive electrical performance field movable detection method for large-scale ground photovoltaic power station Download PDF

Info

Publication number
CN106656036A
CN106656036A CN201710003020.8A CN201710003020A CN106656036A CN 106656036 A CN106656036 A CN 106656036A CN 201710003020 A CN201710003020 A CN 201710003020A CN 106656036 A CN106656036 A CN 106656036A
Authority
CN
China
Prior art keywords
detection
equipment
scale ground
detection method
testing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710003020.8A
Other languages
Chinese (zh)
Inventor
刘宏
刘立勇
李田珍
韩宏伟
徐小艳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qinghai Product Quality Supervision And Inspection Institute
Qinghai Innovation Energy Technology Co Ltd
Original Assignee
Qinghai Product Quality Supervision And Inspection Institute
Qinghai Innovation Energy Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qinghai Product Quality Supervision And Inspection Institute, Qinghai Innovation Energy Technology Co Ltd filed Critical Qinghai Product Quality Supervision And Inspection Institute
Priority to CN201710003020.8A priority Critical patent/CN106656036A/en
Publication of CN106656036A publication Critical patent/CN106656036A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S50/00Monitoring or testing of PV systems, e.g. load balancing or fault identification
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S50/00Monitoring or testing of PV systems, e.g. load balancing or fault identification
    • H02S50/10Testing of PV devices, e.g. of PV modules or single PV cells
    • 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 invention provides a comprehensive electrical performance field movable detection method for a large-scale ground photovoltaic power station. The comprehensive electrical performance field movable detection method comprises the following steps of 1, opening analysis equipment and multiple detection equipment; 2, correcting the detection equipment in sequence by the analysis equipment, such as adopting unified clock correcting time until synchronization of the multiple detection equipment is achieved; 3, conveying and connecting the first, the second until the N<th> detection equipment to the first, the second until the N<th> detected equipment in sequence, and starting detection in connecting; and waiting for continuous detection for a certain time; 4, recovering the N<th> until the second and the first detection equipment in sequence; 5, reading detection data in the N detection equipment by the analysis equipment, screening out synchronous data at the same moment detected by all the N detection equipment, comparing and finding the minimum data, corresponding to a serial number of the detected equipment, namely finding out short slab equipment; and 6, performing test diagnosis and maintenance and efficiency improvement for the short slab equipment to complete the detection.

Description

A kind of large-scale ground photovoltaic plant comprehensive electrochemical properties scene movement detection method
Art
The present invention relates to photovoltaic plant on-site generated power performance detection technical field, particularly a kind of large-scale ground photovoltaic plant The technical field of comprehensive electrochemical properties scene movement detection method.Using mobile detection apparatus, the same time is to large-scale ground photovoltaic Power station equipment carries out Site Detection, and detection range is related to inverter, header box, group string, component, can each level, detect by different level, Detection data is transferred to supporting analytical equipment, analyzes the defect equipment in power station, solves plant issue, lifts power station generating efficiency.
Background technology
With projecting further for energy crisis and problem of environmental pollution, photovoltaic power generation technology it is increasingly mature under, country Policy vigorously supports photovoltaic generation, recent years photovoltaic plant quantity sustainable growth, especially large-scale ground photovoltaic plant is big Amount is built.Large-sized photovoltaic power station floor space is big, number of devices is more, and the equipment operation management of these huge numbers is photovoltaic plant The emphasis of maintenance work, especially can in time find defect equipment, damage equipment, solve plant issue, be to lift power station generating effect The most direct method of energy.
Although at present most of large-scale ground photovoltaic plants have automatic monitoring system, it can be seen that the one of power station equipment A little electrical characteristics.But the detection module that these equipment are carried is the auxiliary function of its major function, it is not high to there is accuracy, one Cause property is bad, and deviation occurs in the module that operation hours length has, or even has substantial amounts of module, communication line to damage, and causes Automatic monitoring system cannot get data or the data that obtain can not directly be used.
These problems are all, to photovoltaic plant operation management, power station performance boost, the obstacle that power station income is improved, to need for this Invent a kind of new system and solve these problems.
The content of the invention
Mentioned above in order to solve the problems, such as, the present invention has invented a kind of large-scale ground photovoltaic plant comprehensive electrochemical properties scene Movement detection method, by using the very high mobile detection apparatus of uniformity, detecting to large-scale ground photovoltaic plant equipment, Detection data is transferred to supporting analytical equipment, analyzes the defect equipment in power station, solves plant issue, generates electricity so as to lift power station Efficiency.
For achieving the above object, the present invention proposes a kind of mobile detection in large-scale ground photovoltaic plant comprehensive electrochemical properties scene Method, comprises the following steps:
The first step:Open analytical equipment and multiple testing equipments;
Second step:Testing equipment is calibrated successively with analytical equipment, such as with the unified clock alignment time, reaches multiple detections The synchronization of equipment;
3rd step:Successively 1,2 ... N testing equipments are transported and are connected to the 1st, 2 ... No. N tested measurement equipments, And start detection in connection;Wait continuous detection a period of time;
4th step:2, No. 1 testing equipment of N ... is withdrawn successively;
5th step:The detection data in N number of testing equipment is read with analytical equipment;Filter out N number of testing equipment all to detect The synchrodata of the same time for arriving;Minimum data is compared and finded out, the numbering of tested measurement equipment is corresponded to, that is, is found short slab and is set It is standby;
6th step:Effect is put forward for the diagnosis maintenance of short slab testing equipment, this detection is completed.
Preferably, the analytical equipment in the first step is computer.
Preferably, the testing equipment in the first step includes mobile detection apparatus, No. 1 pincerlike detection head, No. 2 pincers Detection head, No. N pincerlike detection head;It is the amount doesn't matter depending on pincerlike detection head is according to the quantity of spot measurement device.
Beneficial effects of the present invention:
The present invention adopts isolated subsystem structure, realizes that separating acquisition system detection reaches whole power station integrated electrical property Test;
Continuous detection of the invention, by clock alignment, screens the synchrodata of same time, is capable of achieving continuous while synchronous Measurement;
The present invention can reduce and increase corresponding pincers with testing equipment according to the quantity of tested measurement equipment difference Shape detection head, to detect inverter, header box, group string, component respectively.So after Curve guide impeller so that testing equipment is by various Become a kind of, as long as the pincerlike detection head quantity of adjustment is achieved that detecting to distinct device, so as to greatly reduce mobile detection The costs such as exploitation, production, the carrying of equipment;
Volume of the present invention is all less, and can move power station to vehicle carries out live on-line testing or monitoring;
Detection range of the present invention be related to inverter, header box, group string, component, can each level, detect by different level;
The present invention has that measurement relative accuracy is high, stability is strong, uniformity is good, can scene on-line checking, long-time simultaneously Continuous work.
The feature and advantage of the present invention will combine accompanying drawing and be described in detail by embodiment.
Description of the drawings
A kind of large-scale ground photovoltaic plant comprehensive electrochemical properties scene movement detection method of the present invention has drawings described below:
Fig. 1 is the flow chart of the present invention;
Fig. 2 is the device structure block diagram of the present invention;
Wherein:10th, mobile detection apparatus;111st, No. 1 pincerlike detection head;112nd, No. 2 pincerlike detection heads;113rd, N pincers Detection head.
Specific embodiment
It is mobile to a kind of large-scale ground photovoltaic plant comprehensive electrochemical properties scene of the invention with case study on implementation below in conjunction with the accompanying drawings Detection method technical scheme further instruction:
As shown in Figure 1 and Figure 2, the present invention proposes a kind of mobile detection in large-scale ground photovoltaic plant comprehensive electrochemical properties scene Method, comprises the following steps:
The first step:Open analytical equipment and multiple testing equipments;
Second step:Testing equipment is calibrated successively with analytical equipment, such as with the unified clock alignment time, reaches multiple detections The synchronization of equipment;
3rd step:Successively 1,2 ... N testing equipments are transported and are connected to the 1st, 2 ... No. N tested measurement equipments, And start detection in connection;Wait continuous detection a period of time;
4th step:2, No. 1 testing equipment of N ... is withdrawn successively;
5th step:The detection data in N number of testing equipment is read with analytical equipment;Filter out N number of testing equipment all to detect The synchrodata of the same time for arriving;Minimum data is compared and finded out, the numbering of tested measurement equipment is corresponded to, that is, is found short slab and is set It is standby;
6th step:Effect is put forward for the diagnosis maintenance of short slab testing equipment, this detection is completed.
Preferably, the analytical equipment in the first step is computer.
Preferably, the testing equipment in the first step includes the pincerlike detection head 111,2 of mobile detection apparatus 10,1 Number pincerlike detection head 113 of pincerlike detection head 112, N;Depending on pincerlike detection head is according to the quantity of spot measurement device, more can may be used It is few.
The mobile detection apparatus 10 pincerlike with 111, No. 2 pincer detection heads 112, N of No. 1 pincerlike detection head can be examined respectively Gauge head 113 passes through wired connection.
Embodiment 1.
The present invention proposes a kind of large-scale ground photovoltaic plant comprehensive electrochemical properties scene movement detection method, including following step Suddenly:
The first step:Open analytical equipment and multiple testing equipments;
Second step:Testing equipment is calibrated successively with analytical equipment, such as with the unified clock alignment time, reaches multiple detections The synchronization of equipment;
3rd step:Successively 1,2 ... N testing equipments are transported and are connected to the 1st, 2 ... No. N tested measurement equipments, And start detection in connection;Wait continuous detection a period of time;
4th step:2, No. 1 testing equipment of N ... is withdrawn successively;
5th step:The detection data in N number of testing equipment is read with analytical equipment;Filter out N number of testing equipment all to detect The synchrodata of the same time for arriving;Minimum data is compared and finded out, the numbering of tested measurement equipment is corresponded to, that is, is found short slab and is set It is standby;
6th step:Effect is put forward for the diagnosis maintenance of short slab testing equipment, this detection is completed.
Preferably, the analytical equipment in the first step is computer.
Preferably, the testing equipment in the first step includes the pincerlike detection head 111,2 of mobile detection apparatus 10,1 Number pincerlike detection head 113 of pincerlike detection head 112, N;Depending on pincerlike detection head is according to the quantity of spot measurement device, more can may be used It is few.
The mobile detection apparatus 10 pincerlike with 111, No. 2 pincer detection heads 112, N of No. 1 pincerlike detection head can be examined respectively Gauge head 113 passes through wired connection.
The mobile detection apparatus can select Agilent 34970a data acquisition unit.
Continuous detection of the invention, screens the synchrodata of same time, and using discrete subsystem structure, is capable of achieving simultaneously Synchro measure;
The present invention can reduce and increase corresponding pincers with testing equipment according to the quantity of tested measurement equipment difference Shape detection head, to detect inverter, header box, group string, component respectively.So after Curve guide impeller so that testing equipment is by various Become a kind of, as long as the pincerlike detection head quantity of adjustment is achieved that detecting to distinct device, so as to greatly reduce mobile detection The costs such as exploitation, production, the carrying of equipment;
Volume of the present invention is all less, and can move power station to vehicle carries out live on-line testing or monitoring;
Detection range of the present invention be related to inverter, header box, group string, component, can each level, detect by different level;
The present invention has that measurement relative accuracy is high, stability is strong, uniformity is good, can scene on-line checking, long-time simultaneously Continuous work.
The optimal specific embodiment of the present invention is the foregoing is only, any those skilled in the art is in the field of the invention Interior, the change or modification made all is covered among the scope of the claims of the present invention.

Claims (5)

1. a kind of large-scale ground photovoltaic plant comprehensive electrochemical properties scene movement detection method, it is characterised in that:Comprise the following steps:
The first step:Open analytical equipment and multiple testing equipments;
Second step:Testing equipment is calibrated successively with analytical equipment, such as with the unified clock alignment time, reaches multiple testing equipments Synchronization;
3rd step:Successively 1,2 ... N testing equipments are transported and are connected to the 1st, 2 ... No. N tested measurement equipments, and Start detection during connection;Wait continuous detection a period of time;
4th step:2, No. 1 testing equipment of N ... is withdrawn successively;
5th step:The detection data in N number of testing equipment is read with analytical equipment;Filter out what N number of testing equipment was all detected The synchrodata of same time;Minimum data is compared and finded out, the numbering of tested measurement equipment is corresponded to, that is, finds short slab equipment;
6th step:Effect is put forward for the diagnosis maintenance of short slab testing equipment, this detection is completed.
2. a kind of large-scale ground photovoltaic plant comprehensive electrochemical properties scene movement detection method as claimed in claim 1, its feature It is:Analytical equipment in the first step is computer.
3. a kind of large-scale ground photovoltaic plant comprehensive electrochemical properties scene movement detection method as claimed in claim 1, its feature It is:Testing equipment in the first step includes mobile detection apparatus, No. 1 pincerlike detection head, No. 2 pincerlike detection heads, No. N pincers Shape detection head;It is the amount doesn't matter depending on pincerlike detection head is according to the quantity of spot measurement device.
4. a kind of large-scale ground photovoltaic plant comprehensive electrochemical properties scene movement detection method as claimed in claim 1, its feature It is:The continuous detection, by clock alignment, screens the synchrodata of same time, is capable of achieving continuous synchro measure simultaneously.
5. a kind of large-scale ground photovoltaic plant comprehensive electrochemical properties scene movement detection method as claimed in claim 1, its feature It is:The detection range be related to inverter, header box, group string, component, can each level, detect by different level.
CN201710003020.8A 2017-01-04 2017-01-04 Comprehensive electrical performance field movable detection method for large-scale ground photovoltaic power station Pending CN106656036A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710003020.8A CN106656036A (en) 2017-01-04 2017-01-04 Comprehensive electrical performance field movable detection method for large-scale ground photovoltaic power station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710003020.8A CN106656036A (en) 2017-01-04 2017-01-04 Comprehensive electrical performance field movable detection method for large-scale ground photovoltaic power station

Publications (1)

Publication Number Publication Date
CN106656036A true CN106656036A (en) 2017-05-10

Family

ID=58842472

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710003020.8A Pending CN106656036A (en) 2017-01-04 2017-01-04 Comprehensive electrical performance field movable detection method for large-scale ground photovoltaic power station

Country Status (1)

Country Link
CN (1) CN106656036A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104617876A (en) * 2015-02-02 2015-05-13 河海大学常州校区 Outdoor test platform of solar photovoltaic modules and electricity generation performance online analysis method thereof
CN105634405A (en) * 2014-12-01 2016-06-01 国家电网公司 Method and device for detecting generation performance of photovoltaic power generation system
CN106253846A (en) * 2016-08-24 2016-12-21 青海天创新能源科技有限公司 A kind of large-scale ground photovoltaic power station power generation performance filed detection system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105634405A (en) * 2014-12-01 2016-06-01 国家电网公司 Method and device for detecting generation performance of photovoltaic power generation system
CN104617876A (en) * 2015-02-02 2015-05-13 河海大学常州校区 Outdoor test platform of solar photovoltaic modules and electricity generation performance online analysis method thereof
CN106253846A (en) * 2016-08-24 2016-12-21 青海天创新能源科技有限公司 A kind of large-scale ground photovoltaic power station power generation performance filed detection system

Similar Documents

Publication Publication Date Title
CN103631681B (en) A kind of method of online reparation abnormal data of wind power plant
US10418936B2 (en) Fault detection and positioning system for cell panel in large-scale photovoltaic array
CN103166240A (en) Grid-connected solar photovoltaic power station monitoring system
CN106130480B (en) A kind of photovoltaic module outdoor generating characteristic and decay situation test system
CN1769886A (en) Method for real-timely testing performance of multi-channel photovoltaic cell
CN104113281A (en) Novel multi-channel solar cell module test system and double intelligent scan method
CN113037214A (en) Photovoltaic module shadow shielding fault diagnosis method based on S-V curve
CN106712714B (en) Series-parallel mismatch loss online test method
CN203337560U (en) Detection and sorting device for sub-fissures of crystalline silicon wafer of solar cell
CN106597151B (en) Photovoltaic power station switched inverter tracking efficiency testing method and system
CN105391401A (en) Photovoltaic module or array I-V characteristic measurement apparatus and method
CN201859011U (en) Apparatus for detecting irradiation homogeneity and stability of solar simulator
CN106656036A (en) Comprehensive electrical performance field movable detection method for large-scale ground photovoltaic power station
CN111342772A (en) Photovoltaic power plant fault detection device of subassembly level
CN206041933U (en) Large -scale ground light lies prostrate on --spot detection module calbiration system of power station generation performance
CN106253846A (en) A kind of large-scale ground photovoltaic power station power generation performance filed detection system
CN113497588A (en) Method and device for testing electrical performance of solar cell and solar cell module
CN110868155A (en) Method for measuring matching loss of photovoltaic string
CN105629334A (en) Meteorological parameter test method for photovoltaic power station system electric efficiency evaluation
CN206041929U (en) Large -scale ground light lies prostrate on --spot movement detection equipment of power station generation performance
CN112269087A (en) High-low voltage ride through capability detection system of reactive power compensation device
CN106353584A (en) Method for testing attenuation value of photovoltaic module
CN102148293A (en) Laser scribing and repairing method for amorphous silicon solar cell
CN112653392A (en) Photovoltaic power station multi-group string multi-component power detection device and method
CN206023702U (en) A kind of large-scale ground photovoltaic power station power generation performance filed detection system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20170510

WD01 Invention patent application deemed withdrawn after publication