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 PDFInfo
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- 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
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- 238000001514 detection method Methods 0.000 title claims abstract description 98
- 238000012360 testing method Methods 0.000 claims abstract description 41
- 238000012423 maintenance Methods 0.000 claims abstract description 6
- 238000003745 diagnosis Methods 0.000 claims abstract description 5
- 238000005259 measurement Methods 0.000 claims description 17
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 238000012216 screening Methods 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
- H02S50/10—Testing of PV devices, e.g. of PV modules or single PV cells
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [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
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.
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Citations (3)
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 |
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2017
- 2017-01-04 CN CN201710003020.8A patent/CN106656036A/en active Pending
Patent Citations (3)
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 |
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