CN106603005A - Grounding voltage withstand insulation integrated testing method of photovoltaic component - Google Patents
Grounding voltage withstand insulation integrated testing method of photovoltaic component Download PDFInfo
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- CN106603005A CN106603005A CN201611083372.0A CN201611083372A CN106603005A CN 106603005 A CN106603005 A CN 106603005A CN 201611083372 A CN201611083372 A CN 201611083372A CN 106603005 A CN106603005 A CN 106603005A
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- insulation
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- 238000012360 testing method Methods 0.000 title claims abstract description 168
- 238000009413 insulation Methods 0.000 title claims abstract description 61
- 238000001514 detection method Methods 0.000 claims abstract description 54
- 239000000523 sample Substances 0.000 claims abstract description 37
- 238000012216 screening Methods 0.000 claims abstract description 4
- 238000007599 discharging Methods 0.000 claims abstract 3
- 230000005540 biological transmission Effects 0.000 claims description 19
- 238000010998 test method Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 8
- 238000012546 transfer Methods 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 6
- 238000003491 array Methods 0.000 claims description 5
- 238000007689 inspection Methods 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 230000000994 depressogenic effect Effects 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 3
- 238000012956 testing procedure Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract 1
- 238000009781 safety test method Methods 0.000 abstract 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
-
- 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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The invention relates to the photovoltaic component testing field, to be specific, relates to a grounding, voltage withstand, insulation integrated testing method of a photovoltaic component. The grounding voltage withstand insulation integrated testing method comprises steps that 1 tool installation: a photovoltaic component is combined with a detection tool; 2 conveying detection: the photovoltaic component after being combined with the detection tool is conveyed to a detection working bench for testing; 3 grounding testing: a grounding testing probe is connected with the photovoltaic component for the testing; 4 voltage withstand, insulation testing: a voltage testing probe is used, and is connected with the detection tool for the testing; 5 program screening: the testing results of the step 3 and the step 4 are recorded, and are used for the screening. The grounding voltage withstand insulation integrated testing method is advantageous in that the grounding testing, the voltage withstand testing, and the insulation testing are completed automatically once, and safety testing instrument high voltage testing is completed, and discharging of a program automatic driving circuit is completed in 0.2 S, and the short circuit connection discharging of the testing instrument is realized without requiring manual operation, and therefore time is saved, safety performance is improved greatly, and product technology progressiveness and quality reliability are fully guaranteed.
Description
Technical field
The present invention relates to photovoltaic module field tests, and in particular to a kind of ground connection of photovoltaic module, pressure, one body examination of insulation
Method for testing.
Background technology
Crystalline Silicon PV Module, is generally grounded at present, pressure, Insulation test with regard to Safety Inspection.Items are surveyed
Examination is measured respectively by different purpose safety instruments, and according to standard individual event test 1-2min need to be taken, and thus produces following two problems：
（1）It is general by the way of taking a sample test offline not affect producing line beat, it is impossible to realize the online 100% full test of component.（2）Offline
Test uses respectively different safety boards, and operation is relatively complicated, and employee's plug-in connector and contact are needed in operating process
, there is certain electric shock hidden danger in measured object surface.
The content of the invention
The purpose of the present invention, be in order to solve the problems, such as background technology in, there is provided a kind of ground connection of photovoltaic module, it is pressure,
Insulation one method of testing.
The present invention above-mentioned technical purpose technical scheme is that：
A kind of ground connection of photovoltaic module, pressure, insulation one method of testing, comprise the following steps：
First, mounting tool, photovoltaic module is combined with detecting tool；
2nd, transmission detection, is transferred to the photovoltaic module after combining with detecting tool detection workbench and is tested；
3rd, earthing test, is tested using earthing test probe connection photovoltaic module；
4th, pressure, Insulation test, using voltage tester probe, connecting detection frock is tested；
5th, program screening, records the test result of step 3 and step 4, is screened.
Preferably, the photovoltaic module includes connector and outer rim, detection workbench is carried out to photovoltaic module
100% on-line checking, the detection workbench includes detection zone and transmission area, and step particular content point is as follows：
First, mounting tool, photovoltaic module is combined with detecting tool, the connector of photovoltaic module is connected with detecting tool
Connect, the detecting tool is hard conductor, and photovoltaic module each described is numbered；
2nd, transmission detection, the photovoltaic module after combining with detecting tool is placed in the transfer station in transmission area, by transmission
Photovoltaic module is transported in the detection zone and is detected by platform from transmission area, and the transfer station is belt transmission mechanism；
3rd, earthing test, is provided with earthing test probe moving up and down in the detection zone of the detection workbench, work as photovoltaic
Component is moved in detection zone behind the position of correspondence earthing test with the transfer station, and the earthing test probe will be with setting
Installing hole in the outer rim contacts, and is depressed into during the earthing test probe test on the inwall of the installing hole,
The oxide layer and the outer rim for slightly puncturing contact area forms good metal and contacts；In test process, first in contact
By the electric current of 2.5 times more than component fuse electric current on point, the magnitude of voltage of electric current and contact point is measured respectively, further in accordance with Europe
Nurse law calculates resistance value, qualified so as to judge whether, insulation, voltage-withstand test is proceeded if qualified, if unqualified
Ensuing testing procedure is skipped, screening step is directly entered；
4th, pressure, Insulation test, is provided with voltage tester probe moving up and down in the detection zone of the detection workbench,
After the completion of earthing test, earthing test probe is lifted, and the voltage tester probe falls, and contacts with the detecting tool,
Loop connection is formed, so as to carry out pressure, Insulation test；Test includes two stages, and the first stage is voltage-withstand test：Described
Apply voltage-withstand test voltage in detecting tool, kept for certain voltage-withstand test time, if leakage current exists within the voltage-withstand test time
In the range of regulation, then by test；Second stage is Insulation test, the current carrying part and module frame in main measurement assembly
Or whether the insulation between outside is good, Insulation test voltage is applied specially in the detecting tool, and keep certain
The Insulation test time, if within the Insulation test time, resistance is maintained in specified value, then by test；
5th, program screening, the test result in step 3 and step 4 is automatic by detecting the program write in workbench
Detection information is entered in the numbering of corresponding photovoltaic module, and underproof product is screened away from detection zone.
In this programme, ground connection, pressure, three tests of insulation are fused to a detection workbench and are completed, it is whole to realize
Test process is automatically performed, judge automatically without the need for manually operation, result, by being compressed to total time within 40S for 3 tests, with
Meet the needs of component on-line testing.Ground connection, pressure, insulation station are connected with station in front and back, are realized to be tested and has been tested
Complete component circulates successively in streamline, realizes that whole test process is full-automatic, without the need for artificial operation, ensures to survey to greatest extent
The security of examination process, and the online full inspection of product 100%, it is to avoid there is the component missing inspection possibility of safety defect.
Preferably, in the step 4, the voltage of voltage-withstand test must start slow rising from " zero ", be input in test
Direct current is tested.Voltage-withstand test has AC and DC two ways available.Alternating-current measurement has a disadvantage that：If treated
Survey when stray electrical capacity is very big or determinand is capacity load of thing, so produced by electric current can be much larger than the electric leakage of reality
Fluxion value, thus actual leakage current cannot be learnt；Another drawback is exactly needed for the stray capacitance that must provide for determinand
Electric current, the electric current of output can be more much larger than using electric current during DC test needed for instrument, can so increase human users
It is dangerous.Correspond, DC break down voltage test is without disadvantages mentioned above, but there are the following problems：Unless do not had on determinand
Any capacitance is present.Control voltage-withstand test voltage must start slow rising from " zero ", and charging current can be avoided excessive, draw
Play the erroneous judgement of tester.
Preferably, in the step 4, after the completion of test, being put automatically to determinand by driven by program circuit
Electricity, can retain very big electric energy, so after a test to tested additionally, due to DC break down voltage test on measured object and circuit
Thing discharges, and the safety of tester and testing component can be effectively ensured.
Preferably, the earthing test probe has on smooth outer surface, and smooth outer surface according to certain
Interval carves the structure of the strip of projection.The positive and negative measurement terminal of grounding test instrument must form good with aluminium frame measurement point
Metal is contacted.And component aluminum frame is to prevent corrosion, its surface can plate the oxide-film of one layer of insulation.To solve this problem, tradition
The copper wire of 2 well conductings can be selected during manual test, is positioned in component installing hole, and be formed well with the inwall of installing hole
Metal contact, then the fixture of tester is clipped on copper wire complete test.To realize the needs of test automatically, set in this programme
The earthing test probe structure of meter, in earthing test, probe is depressed into the inwall of installing hole, and slightly punctures contact area
Oxide layer（Because pierce region is installing hole inner wall area, therefore on component facade and security performance without impact）So as to effective
Pierce through frame inwall and ensure that test is smoothed out.
Preferably, the earthing test probe is additionally arranged at the bottom buffer unit, push to control earthing test probe
Dynamics, it is to avoid installing hole be subject to excessive compression and deform.
Preferably, in the earthing test, electric current is DC37.5A, the testing time is 2s；Qualified index is：Ground connection electricity
Resistance<100mΩ.
Preferably, in the voltage-withstand test, the voltage-withstand test voltage is DC3600V, the voltage-withstand test time bag
Include, voltage from " zero " climb to 3600V 7.5s time-to-climb and the testing time of 1s；Qualified index is：Component do not rupture,
Do not puncture, leakage current ＜ 0.05mA.
Preferably, in the Insulation test, the Insulation test voltage is DC1000V, and the Insulation test time is
1s；Qualified index is：Insulating resistance value：＞ 25M Ω（156 single arrays of polycrystalline 6 × 10）/ ＞ 21M Ω（156 single 6 × 12 gusts of polycrystalline
Row）, remaining specification need to meet insulating resistance value * component area ＞ 40M Ω. ㎡.
Preferably, the detection workbench is provided with barcode scanning device, the numbering of the photovoltaic module is by the barcode scanning
Device reads, so as to be entered the typing of row information by the detection workbench.
Preferably, being provided with protection network on the outside of the detection zone, play a protective role.
In sum, beneficial effects of the present invention：
1. a kind of ground connection of photovoltaic module of the present invention, it is pressure, insulation one method of testing, be capable of achieving ground connection, it is pressure,
3 tests of insulation are disposably automatically performed, and Electric Security Tester Hi-pot test terminates, and program automatic drive circuit is completed in 0.2S
Electric discharge, by the electric discharge of tester both positive and negative polarity short circuit, has not only saved the time without the need for manually, and security is also greatly improved, and fully ensures that
Product technology advance and reliability.
2. a kind of ground connection of photovoltaic module of the present invention, pressure, insulation one method of testing, are designed by special
Earthing test probe, fully ensure that the good contact with installing hole inwall, it is ensured that the accuracy of earthing test result.
3. a kind of ground connection of photovoltaic module of the present invention, it is pressure, insulation one method of testing, by test fixture,
So that during pressure, Insulation test, without the need for plugging cable, it is ensured that the safety of personnel's test, while operating efficiency is substantially carried
Rise.
Specific embodiment
Specific examples below is only explanation of the invention, and it is not limitation of the present invention, art technology
Personnel can make as needed the modification without creative contribution after this specification is read to the present embodiment, but as long as
All protected by Patent Law in scope of the presently claimed invention.
With reference to embodiment, the present invention is described in detail.
Embodiment 1：
A kind of ground connection of photovoltaic module, pressure, insulation one method of testing, the photovoltaic group for including connector and outer rim
Part, by detecting that workbench carries out 100% on-line checking, the detection workbench includes detection zone and transmission area, specifically include with
Lower step：
First, mounting tool, photovoltaic module is combined with detecting tool, the connector of photovoltaic module is connected with detecting tool
Connect, the detecting tool is hard conductor, and photovoltaic module each described is numbered；
2nd, transmission detection, the photovoltaic module after combining with detecting tool is placed in the transfer station in transmission area, by transmission
Photovoltaic module is transported in the detection zone and is detected by platform from transmission area, and the transfer station is belt transmission mechanism；
3rd, earthing test, is provided with earthing test probe moving up and down in the detection zone of the detection workbench.It is described to connect
Ground test probe has the knot of the strip for carving projection on smooth outer surface, and smooth outer surface according to certain interval
Structure, the earthing test probe is additionally arranged at the bottom buffer unit, controlling the dynamics that earthing test probe is pushed, it is to avoid install
Hole is subject to excessive compression and deforms.When photovoltaic module moves to the position of correspondence earthing test in detection zone with the transfer station
Afterwards, the earthing test probe will contact with the installing hole being arranged in the outer rim, the earthing test probe test
When be depressed into oxide layer that contact area is slightly punctured on the inwall of the installing hole and the outer rim forms good metal
Contact；In test process, first on the contact point by the electric current of DC37.5A, the testing time is 2s, electric current is measured respectively and is connect
The magnitude of voltage of contact, further in accordance with Ohm's law resistance value is calculated, if earth resistance<100m Ω then for qualified, if qualified after
It is continuous insulated, voltage-withstand test, ensuing testing procedure is skipped if unqualified, be directly entered screening step；
4th, pressure, Insulation test, is provided with voltage tester probe moving up and down in the detection zone of the detection workbench,
After the completion of earthing test, earthing test probe is lifted, and the voltage tester probe falls, and contacts with the detecting tool,
Loop connection is formed, so as to carry out pressure, Insulation test；
Test includes two stages, and the first stage is voltage-withstand test：Apply the voltage-withstand test of DC3600V in the detecting tool
Voltage, the voltage of voltage-withstand test starts slow rising from " zero ", and input dc power is tested in test, and voltage climbs from " zero "
In 7.5s, the testing time to 3600V is controlled to 1s to time control to 3600V, if within the voltage-withstand test time, component does not break
Split, do not puncture, leakage current ＜ 0.05mA, then by test；After the completion of test, determinand is carried out certainly by driven by program circuit
Dynamic electric discharge；
Second stage is Insulation test, and whether the insulation between current carrying part and module frame or outside in main measurement assembly
Well, the Insulation test voltage of DC1000V is applied specially in the detecting tool, and keeps Insulation test time 1s, if
Within the Insulation test time, insulating resistance value：＞ 25M Ω（156 single arrays of polycrystalline 6 × 10）/ ＞ 21M Ω（156 single polycrystalline 6 ×
12 arrays）, remaining specification need to meet insulating resistance value * component area ＞ 40M Ω. ㎡, then by test；
5th, program screening, the test result in step 3 and step 4 is automatic by detecting the program write in workbench
Detection information is entered in the numbering of corresponding photovoltaic module, and underproof product is screened away from detection zone.It is described
Detection workbench is provided with barcode scanning device, and the numbering of the photovoltaic module is read by the barcode scanning device, so as to by the inspection
The typing that workbench enters row information is surveyed, on the outside of the detection zone protection network is provided with.
Claims (10)
1. a kind of ground connection of photovoltaic module, it is pressure, insulation one method of testing, it is characterised in that comprise the following steps：
First, mounting tool, photovoltaic module is combined with detecting tool；
2nd, transmission detection, is transferred to the photovoltaic module after combining with detecting tool detection workbench and is tested；
3rd, earthing test, is tested using earthing test probe connection photovoltaic module；
4th, pressure, Insulation test, using voltage tester probe, connecting detection frock is tested；
5th, program screening, records the test result of step 3 and step 4, is screened.
2. a kind of ground connection of photovoltaic module according to claim 1, it is pressure, insulation one method of testing, it is characterised in that
The photovoltaic module includes connector and outer rim, and detection workbench carries out 100% on-line checking, the inspection to photovoltaic module
Surveying workbench includes detection zone and transmission area, and step particular content point is as follows：
First, mounting tool, photovoltaic module is combined with detecting tool, the connector of photovoltaic module is connected with detecting tool
Connect, the detecting tool is hard conductor, and photovoltaic module each described is numbered；
2nd, transmission detection, the photovoltaic module after combining with detecting tool is placed in the transfer station in transmission area, by transmission
Photovoltaic module is transported in the detection zone and is detected by platform from transmission area；
3rd, earthing test, is provided with earthing test probe moving up and down in the detection zone of the detection workbench, work as photovoltaic
Component is moved in detection zone behind the position of correspondence earthing test with the transfer station, and the earthing test probe will be with setting
Installing hole in the outer rim contacts, and is depressed into during the earthing test probe test on the inwall of the installing hole,
The oxide layer and the outer rim for slightly puncturing contact area forms good metal and contacts；In test process, first in contact
By the electric current of 2.5 times more than component fuse electric current on point, the magnitude of voltage of electric current and contact point is measured respectively, further in accordance with Europe
Nurse law calculates resistance value, qualified so as to judge whether, insulation, voltage-withstand test is proceeded if qualified, if unqualified
Ensuing testing procedure is skipped, screening step is directly entered；
4th, pressure, Insulation test, is provided with voltage tester probe moving up and down in the detection zone of the detection workbench,
After the completion of earthing test, earthing test probe is lifted, and the voltage tester probe falls, and contacts with the detecting tool,
Loop connection is formed, so as to carry out pressure, Insulation test；Test includes two stages, and the first stage is voltage-withstand test：Described
Apply voltage-withstand test voltage in detecting tool, kept for certain voltage-withstand test time, if leakage current exists within the voltage-withstand test time
In the range of regulation, then by test；Second stage is Insulation test, the current carrying part and module frame in main measurement assembly
Or whether the insulation between outside is good, Insulation test voltage is applied specially in the detecting tool, and keep certain
The Insulation test time, if within the Insulation test time, resistance is maintained in specified value, then by test；
5th, program screening, the test result in step 3 and step 4 is automatic by detecting the program write in workbench
Detection information is entered in the numbering of corresponding photovoltaic module, and underproof product is screened away from detection zone.
3. a kind of ground connection of photovoltaic module according to claim 2, it is pressure, insulation one method of testing, it is characterised in that
In the step 4, the voltage of voltage-withstand test must start slow rising from " zero ", and input dc power is tested in test.
4. a kind of ground connection of photovoltaic module according to claim 3, it is pressure, insulation one method of testing, it is characterised in that
In the step 4, after the completion of test, automatic discharging is carried out to determinand by driven by program circuit.
5. a kind of ground connection of photovoltaic module according to claim 4, it is pressure, insulation one method of testing, it is characterised in that
The earthing test probe have on smooth outer surface, and smooth outer surface according to certain interval carve projection strip
The structure of shape.
6. a kind of ground connection of photovoltaic module according to claim 5, it is pressure, insulation one method of testing, it is characterised in that
The earthing test probe is additionally arranged at the bottom buffer unit（）, to control the dynamics that earthing test probe is pushed, it is to avoid install
Hole is subject to excessive compression and deforms.
7. a kind of ground connection of photovoltaic module according to claim 6, it is pressure, insulation one method of testing, it is characterised in that
In the earthing test, electric current is DC37.5A, and the testing time is 2s；Qualified index is：Earth resistance<100mΩ.
8. a kind of ground connection of photovoltaic module according to claim 7, it is pressure, insulation one method of testing, it is characterised in that
In the voltage-withstand test, the voltage-withstand test voltage is DC3600V, and the voltage-withstand test time includes that voltage climbs from " zero "
To the time-to-climb and the testing time of 1s of the 7.5s of 3600V；Qualified index is：Component does not rupture, does not puncture, leakage current ＜
0.05mA；In the Insulation test, the Insulation test voltage is DC1000V, and the Insulation test time is 1s；Qualified index
For：Insulating resistance value：＞ 25M Ω（156 single arrays of polycrystalline 6 × 10）/ ＞ 21M Ω（156 single arrays of polycrystalline 6 × 12）, remaining rule
Lattice need to meet insulating resistance value × component area ＞ 40M Ω. ㎡.
9. a kind of ground connection of the photovoltaic module according to claim 1-8 any one, it is pressure, insulation one method of testing,
Characterized in that, the detection workbench is provided with barcode scanning device, the numbering of the photovoltaic module is read by the barcode scanning device
Take, so as to be entered the typing of row information by the detection workbench.
10. a kind of ground connection of photovoltaic module according to claim 9, pressure, insulation one method of testing, its feature exists
In being provided with protection network on the outside of the detection zone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611083372.0A CN106603005A (en) | 2016-11-30 | 2016-11-30 | Grounding voltage withstand insulation integrated testing method of photovoltaic component |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611083372.0A CN106603005A (en) | 2016-11-30 | 2016-11-30 | Grounding voltage withstand insulation integrated testing method of photovoltaic component |
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| CN106603005A true CN106603005A (en) | 2017-04-26 |
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| CN201611083372.0A Pending CN106603005A (en) | 2016-11-30 | 2016-11-30 | Grounding voltage withstand insulation integrated testing method of photovoltaic component |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116773977A (en) * | 2023-06-20 | 2023-09-19 | 山东瑞长泽新能源科技有限公司 | Photovoltaic module insulating properties check out test set |
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